Dieter Seebach
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German chemist
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Chemistry
Dieter Seebach's Degrees
- PhD Chemistry University of Marburg
Why Is Dieter Seebach Influential?
(Suggest an Edit or Addition)According to Wikipedia, Dieter Seebach is a German chemist known for his synthesis of biopolymers and dendrimers, and for his contributions to stereochemistry. He was born on 31 October 1937 in Karlsruhe. He studied chemistry at the University of Karlsruhe under the supervision of Rudolf Criegee and at Harvard University with Elias Corey finishing in 1969. After his habilitation he became professor for organic chemistry at the University of Giessen. After six years he was appointed professor at the ETH Zurich where he worked until he retired in 2003.
Dieter Seebach's Published Works
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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Bull. Soc. Chim. Fr. (1957) (2578)
- Peptide Folding: When Simulation Meets Experiment (1999) (1437)
- Methods of Reactivity Umpolung (1979) (884)
- The World of β‐ and γ‐Peptides Comprised of Homologated Proteinogenic Amino Acids and Other Components (2004) (697)
- β-Peptides: a surprise at every turn (1997) (587)
- Structure and Reactivity of Lithium Enolates. From Pinacolone to Selective C‐Alkylations of Peptides. Difficulties and Opportunities Afforded by Complex Structures (1988) (575)
- β‐Peptides: Synthesis by Arndt‐Eistert homologation with concomitant peptide coupling. Structure determination by NMR and CD spectroscopy and by X‐ray crystallography. Helical secondary structure of a β‐hexapeptide in solution and its stability towards pepsin (1996) (535)
- Beta-peptidic peptidomimetics. (2008) (503)
- Umpolung of the Reactivity of Carbonyl Compounds Through Sulfur-Containing Reagents (1977) (447)
- Methoden der Reaktivitätsumpolung (1979) (429)
- Generation and synthetic applications of 2-lithio-1,3-dithianes (1975) (426)
- TADDOLs, Their Derivatives, and TADDOL Analogues: Versatile Chiral Auxiliaries. (2001) (412)
- Organic Synthesis—Where now? (1990) (404)
- Self-Regeneration of Stereocenters (SRS)—Applications, Limitations, and Abandonment of a Synthetic Principle†‡ (1996) (375)
- Reversible peptide folding in solution by molecular dynamics simulation. (1998) (334)
- Synthesis of Open-Chain 2,3-Disubstituted 4-nitroketones by Diastereoselective Michael-addition of (E)-Enamines to (E)-Nitroolefins. A topological rule for C, C-bond forming processes between prochiral centres. Preliminary communication (1981) (316)
- The Outstanding Biological Stability of β‐ and γ‐Peptides toward Proteolytic Enzymes: An In Vitro Investigation with Fifteen Peptidases (2001) (304)
- Alkylation of amino acids without loss of the optical activity: preparation of .alpha.-substituted proline derivatives. A case of self-reproduction of chirality (1983) (297)
- The Unambiguous Specification of the Steric Course of Asymmetric Syntheses (1982) (290)
- Poly(hydroxyalkanoates): A Fifth Class of Physiologically Important Organic Biopolymers?† (1993) (277)
- Helices and other secondary structures of β‐ and γ‐peptides (2006) (264)
- Struktur und Reaktivität von Lithiumenolaten, vom Pinakolon zur selektiven C‐Alkylierung von Peptiden – Schwierigkeiten und Möglichkeiten durch komplexe Strukturen (1988) (261)
- Carbanions of 1,3-Dithianes. Reagents for CC Bond Formation by Nucleophilic Displacement and Carbonyl Addition (1965) (261)
- 13C‐NMR.‐Spektroskopie von Organolithiumverbindungen bei tiefen Temperaturen. Strukturinformation aus der 13C, 6Li‐Kopplung (1983) (252)
- Probing the Helical Secondary Structure of Short‐Chain β‐Peptides (1996) (242)
- Chirale Alkoxytitan(IV)‐Komplexe für enantioselektive nucleophile Additionen an Aldehyde und als Lewis‐Säuren in Diels‐Alder‐Reaktionen (1987) (237)
- Beta2-amino acids-syntheses, occurrence in natural products, and components of beta-peptides1,2. (2004) (234)
- β2‐ and β3‐Peptides with Proteinaceous Side Chains: Synthesis and solution structures of constitutional isomers, a novel helical secondary structure and the influence of solvation and hydrophobic interactions on folding (1998) (232)
- Substitution of HMPT by the cyclic urea DMPU as a cosolvent for highly reactive nucleophiles and bases (1982) (232)
- Phenylthiomethyllithium and Bis(phenylthio)methyllithium (1966) (225)
- Herstellung von Hilfsstoffen für die asymmetrische Synthese aus Weinsäure. Addition von Butyllithium an Aldehyde in chiralem Medium (1977) (220)
- (α-Alkylation of α-heterosubstituted carboxylic acids without racemization : EPC-syntheses of tertiary alcohols and thiols☆☆☆ (1984) (217)
- Organometallic Compounds of Titanium and Zirconium as Selective Nucleophilic Reagents in Organic Synthesis (1983) (213)
- Methods and Possibilities of Nucleophilic Acylation (1969) (210)
- Preparation of Achiral and of Enantiopure Geminally Disubstituted β‐Amino Acids for β‐Peptide Synthesis (2000) (200)
- Are Oxazolidinones Really Unproductive, Parasitic Species in Proline Catalysis? – Thoughts and Experiments Pointing to an Alternative View (2007) (190)
- On the Mechanisms of Enantioselective Reactions Using α,α,α′,α′ -Tetraaryl-1,3-dioxolane-4,5-dimethanol(TADDOL)-Derived Titanates: Differences between C2- and C1-symmetrical TADDOLs – facts, implications and generalizations† (1992) (178)
- Titanate-Mediated Transesterifications with Functionalized Substrates (1982) (174)
- Addition of chiral glycine, methionine, and vinylglycine enolate derivatives to aldehydes and ketones in the preparation of enantiomerically pure α-amino-β-hydroxy acids (1987) (171)
- Pleated Sheets and Turns of β-Peptides with Proteinogenic Side Chains. (1999) (171)
- Über die Wechselwirkung zwischen Lithium-enolaten und sekundären Aminen in Lösung und im Kristall (1985) (170)
- Synthesis of α-Silyl Ketones via 1,3-Dithianes (1967) (164)
- Cyclo‐β‐peptides: Structure and tubular stacking of cyclic tetramers of 3‐aminobutanoic acid as determined from powder diffraction data (1997) (164)
- '100 years of peptide synthesis': ligation methods for peptide and protein synthesis with applications to beta-peptide assemblies. (2008) (164)
- Organocatalyzed Michael Addition of Aldehydes to Nitro Alkenes – Generally Accepted Mechanism Revisited and Revised (2011) (162)
- Über die Depolymerisierung von Poly-(R)-3-hydroxy-buttersäureester (PHB) (1982) (157)
- A Useful Modification of the Evans Auxiliary: 4‐Isopropyl‐5,5‐diphenyloxazolidin‐2‐one (1998) (156)
- Polymer‐ and Dendrimer‐Bound Ti‐TADDOLates in Catalytic (and Stoichiometric) Enantioselective Reactions: Are pentacoordinate cationic Ti complexes the catalytically active species? (1996) (153)
- γ‐Peptides Forming More Stable Secondary Structures than α‐Peptides: Synthesis and helical NMR‐solution structure of the γ‐hexapeptide analog of H‐(Val‐Ala‐Leu)2‐OH (1998) (153)
- Umpolung of Amine Reactivity. Nucleophilic α-(Secondary Amino)-alkylation via Metalated Nitrosamines†‡ (1975) (152)
- Diastereoselective Synthesis of Nitroaldol Derivatives (1982) (151)
- Isolation and X-Ray Structures of Reactive Intermediates of Organocatalysis with Diphenylprolinol Ethers and with Imidazolidinones (2008) (151)
- Herstellung von erythro-2-Hydroxybernsteinsäure-Derivaten aus Äpfelsäureester. Vorläufige Mitteilung (1980) (150)
- Resolution and use in α-amino acid synthesis of imidazolidinone glycine derivatives (1988) (149)
- Organometallverbindungen von Titan und Zirconium als selektive nucleophile Reagentien für die Organische Synthese (1983) (149)
- Erzeugung von und Olefinierung mit α‐S‐, ‐Se‐, ‐Si‐ und ‐Sn‐perheterosubstituierten (Trimethylsilyl)methyllithium‐Verbindungen (1977) (147)
- Structures of the Reactive Intermediates in Organocatalysis with Diarylprolinol Ethers (2009) (141)
- The beta-peptide hairpin in solution: conformational study of a beta-hexapeptide in methanol by NMR spectroscopy and MD simulation. (2001) (139)
- Tetrameric Cubic Structures of Two Solvated Lithium Enolates (1981) (139)
- Organische Synthese — wohin? (1990) (136)
- "Mixed" β-peptides. A unique helical secondary structure in solution. Preliminary communication (1997) (136)
- Stereoselektive Alkylierung an C(α) von Serin, Glycerinsäure, Threonin und Weinsäure über heterocyclische Enolate mit exocyclischer Doppelbindung†‡ (1987) (134)
- β‐Peptides as Inhibitors of Small‐Intestinal Cholesterol and Fat Absorption (1999) (133)
- Bestimmung des Aggregationsgrads lithiumorganischer Verbindungen durch Kryoskopie in Tetrahydrofuran (1984) (133)
- Enantio- and diastereoselective titanium-TADDOLate catalyzed addition of diethyl and bis(3-buten-1-yl) zinc to aldehydes a full account with preparative details (1994) (133)
- Enantioselective Generation and Diastereoselective Reactions of Chiral Enolates Derived from α-Heterosubstituted Carboxylic Acids. Preliminary Communication† (1981) (132)
- Synthesis and Biological Evaluation of a Cyclo-β-tetrapeptide as a Somatostatin Analogue. (1999) (129)
- Ti-TADDOLate-catalyzed, highly enantioselective addition of alkyl- and aryl-titanum derivatives to aldehydes (1994) (127)
- Catalytic and Stoichiometric Enantioselective Addition of Diethylzinc to Aldehydes Using a Novel Chiral Spirotitanate (1991) (127)
- Frontorbitale: Frontier Orbitals and Organic Chemical Reactions. Von I. Fleming. John Wiley & Sons, London 1976. 1. Aufl., V, 249 S., geh. § 3, 95. (1977) (127)
- Structures of Three Lithium Ester Enolates by X-ray Diffraction: Derivation of Reaction Path for Cleavage into Ketene and Alcoholate' (1985) (125)
- Can One Derive the Conformational Preference of a β-Peptide from Its CD Spectrum? (2002) (124)
- Peptide folding induces high and selective affinity of a linear and small beta-peptide to the human somatostatin receptor 4. (2001) (124)
- cis-Stilbene and (1α,2β,3α)-(2-Ethenyl-3-methoxycyclopropyl)benzene as Mechanistic Probes in the MnIII(salen)-Catalyzed Epoxidation: Influence of the Oxygen Source and the Counterion on the Diastereoselectivity of the Competitive Concerted and Radical-Type Oxygen Transfer (2002) (123)
- N,O-acetals from pivalaldehyde and amino acids for the α-alkylation with self-reproduction of the center of chirality: enolates of 3-benzoyl-2-(tert-butyl)-1,3-oxazolidin-5-ones (1985) (122)
- Methoden und Möglichkeiten der nucleophilen Acylierung (1969) (122)
- Brom/Lithium-Austausch an Vinylbromiden mit 2 Moläquivv. tert-Butyllithium. Umsetzungen von Vinyllithiumverbindungen mit Hetero- und Kohlenstoff-Elektrophilen (1978) (119)
- Enantioselective Preparation of ߲-Amino Acid Derivatives for -Peptide Synthesis (2009) (118)
- Brom-Lithium-Austausch an Vinyl- und Aryl-bromiden mit tert-Butyllithium Zur Ringerweiterung über Dibromcarbenaddukte (1974) (118)
- Enantioselective preparation of sec. Alcohols from aldehydes and dialkyl zinc compounds, generated in situ from Grignard reagents, using substoichiometric amounts of TADDOL-titanates (1992) (115)
- Probing the Proteolytic Stability of β‐Peptides Containing α‐Fluoro‐ and α‐Hydroxy‐β‐Amino Acids (2004) (115)
- 2'-Nitro-2'-propen-1'-yl 2,2-dimethylpropanoate (NPP), a multiple coupling reagent (1984) (114)
- Umsetzung metallierter Trimethylsilylformaldehyd-thioacetale mit Carbonylverbindungen. Eine einfache Methode großer Anwendungsbreite zur Herstellung von Keten-thioacetalen (1973) (113)
- Asymmetrische Michael‐Additionen. Stereoselektive Alkylierung chiraler, nicht racemischer Enolate durch Nitroolefine. Herstellung enantiomerenreiner γ‐Aminobuttersäure‐ und Bernsteinsäure‐Derivate (1985) (113)
- Carbanionen der 1,3‐Dithiane, Reagentien zur C–C‐Verknüpfung durch nucleophile Substitution oder Carbonyl‐Addition (1965) (112)
- Umpolung der Reaktivität von Aminen. Nucleophile α‐sek.‐Aminoalkylierung über metallierte Nitrosamine (1975) (111)
- On the Ti-TADDOLate-Catalyzed Diels-Alder Addition of 3-Butenoyl-1,3-oxazolidin-2-one to Cyclopentadiene. General Features of Ti-BINOLate- and Ti-TADDOLate-Mediated Reactions (1995) (110)
- BIOLOGICAL AND PHARMACOKINETIC STUDIES WITH BETA -PEPTIDES (1998) (110)
- Cellular Uptake Studies with β‐Peptides (2002) (109)
- TADDOLe, ihre Derivate und Analoga – vielseitige chirale Hilfsstoffe (2001) (108)
- Preparation and Structural Analysis of Several New α,α,α′,α′-Tetraaryl-1,3-dioxolane-4,5-dimethanols (TADDOL's) and TADDOL analogs, their evaluation as titanium ligands in the enantioselective addition of methyltitanium and diethylzinc reagents to benzaldehyde, and refinement of the mechanistic hypo (1994) (107)
- Asymmetrische Micheal‐Additionen. Praktisch vollständigdiastereo‐ und enantioselektive Alkylierungen des Enamins aus Cyclohexanon und Prolinylmethyläther.durch ω‐Nitrostyrole zu u‐2‐(l′‐Aryl‐2′‐nitroäthyl)cyclohexanonen (1982) (107)
- Synthese von vier chiralen, elektrophilen C3- und C4-Synthesebausteinen aus Hydroxycarbonsäuren (1977) (105)
- Doppelt und dreifach funktionalisierte, enantiomerenreine C4‐Synthesebausteine aus β‐Hydroxybuttersäure, Äpfelsäure und Weinsäure (1981) (105)
- Preparation of N-Fmoc-Protected β2- and β3-Amino Acids and their use as building blocks for the solid-phase synthesis of β-peptides†‡ (1998) (104)
- Proof for a nonproteinaceous calcium-selective channel in Escherichia coli by total synthesis from (R)-3-hydroxybutanoic acid and inorganic polyphosphate. (1997) (104)
- 2,2‐Dimethyl‐α,α,α′,α′‐tetrakis(β‐naphthyl)‐1,3‐dioxolan‐4,5‐dimethanol (DINOL) for the Titanate‐Mediated Enantioselective Addition of Diethylzinc to Aldehydes (1991) (102)
- Synthesis of 1,n‐Dicarbonyl Derivates Using Carbanions from 1,3‐Dithianes (1965) (101)
- Enantioselective Aldol and Michael Additions of Achiral Enolates in the Presence of Chiral Lithium Amides and Amines (1994) (100)
- Totally stereoselective additions to 2,6-disubstituted 1,3-dioxin-4-ones (chiral acetoacetic acid derivatives). Synthetic and mechanistic aspects of remote stereoselectivity (1988) (99)
- The Proteolytic Stability of ‘Designed’ β‐Peptides Containing α‐Peptide‐Bond Mimics and of Mixed α,β‐Peptides: Application to the Construction of MHC‐Binding Peptides (2005) (98)
- α-alkylation of serine with self-reproduction of the center of chirality (1984) (97)
- α‐Phenylseleno‐methyllithiumverbindungen (1972) (96)
- Diastereoselektive Alkylierung von 3‐Aminobutansäure in der 2‐Stellung (1988) (94)
- γ2‐, γ3‐, and γ2,3,4‐Amino Acids, Coupling to γ‐Hexapeptides: CD Spectra, NMR Solution and X‐ray Crystal Structures of γ‐Peptides (2002) (94)
- Generation of secondary, tertiary, and quaternary centers by geminal disubstitution of carbonyl oxygens. (2011) (93)
- Design, machine synthesis, and NMR-solution structure of a β-heptapeptide forming a salt-bridge stabilised 314-helix in methanol and in water (2001) (92)
- How we drifted into peptide chemistry and where we have arrived at (2004) (91)
- Structure and Reactivity of Five‐ and Six‐Ring N, N‐, N, O‐, and O, O‐acetals: A lesson in allylic 1, 3‐strain (A1, 3 strain) (1992) (91)
- New synthetic route to cyclic mono- and diketone derivatives via bisthiocarbanions (1968) (91)
- Elektrochemische Decarboxylierung von L.‐Threonin‐ und Oligopeptid‐Derivaten unter Bildung von N‐Acyl‐N, O‐acetalen: Herstellung von Oligopeptiden mit Carboxamid‐oder Phosphonat‐C‐Terminus (1989) (91)
- Studying the Stability of a Helical β‐Heptapeptide by Molecular Dynamics Simulations (1997) (90)
- Tris‐phenylmercapto‐methyllithium Ein ungewöhnliches Carbenoid (1972) (90)
- Some recent advances in the use of titanium reagents for organic synthesis (1983) (89)
- Synthesis of 1-Deuterioaldehydes. Benzaldehyde-1-d (1966) (85)
- THE BIOLOGICAL STABILITY OF BETA -PEPTIDES : NO INTERACTIONS BETWEEN ALPHA- AND BETA -PEPTIDIC STRUCTURES? (1997) (84)
- POLY(HYDROXYFETTSAUREESTER), EINE FUNFTE KLASSE VON PHYSIOLOGISCH BEDEUTSAMEN ORGANISCHEN BIOPOLYMEREN ? (1993) (84)
- Antibiotic and Hemolytic Activity of a β2/β3 Peptide Capable of Folding into a 12/10‐Helical Secondary Structure (2003) (83)
- Mechanism of Electrochemical Pinacolization. The First Asymmetric Synthesis in a Chiral Medium (1975) (83)
- Optisch aktive Alkohole aus 1,3-Dioxan-4-onen: eine praktikable Variante der enantioselektiven Synthese unter nucleophiler Substitution an Acetal-Zentren† (1987) (82)
- Diasterio‐ und enantioselektive Reduktion von β‐Ketoestern mit Cyclopentanon‐, Cyclohexanon‐, Piperidon‐ und Tetralon‐Struktur durch nicht fermentierende Bäcker‐Hefe (1987) (81)
- Alkylation of Amino Acids without Loss of Optical Activity: α‐ and β‐Alkylation of an Aspartic Acid Derivative (1981) (81)
- Detection, synthesis, structure, and function of oligo(3-hydroxyalkanoates): contributions by synthetic organic chemists. (1999) (81)
- Mechanistic Implications of the Tetrameric Cubic Structure of Lithium Enolates (1981) (80)
- Mono‐ und Bis(phenyltelluro)methyllithium (1975) (80)
- Thiocyclosporins: Preparation, Solution and Crystal Structure, and Immunosuppressive Activity (1991) (80)
- α‐Alkylation of Amino Acids without Racemization. Preparation of Either (S)‐ or (R)‐α‐Methyldopa from (S)‐Alanine (1985) (79)
- Enantioselektive 1,4-Additionen von metallorganischen Verbindungen an konjugierte Systeme im chiralen Medium DDB†‡ (1979) (79)
- Stereochemical Models for Discussing Additions to α,β-Unsaturated Aldehydes Organocatalyzed by Diarylprolinol or Imidazolidinone Derivatives - Is There an '(E)/(Z) -Dilemma'? (2010) (79)
- Novel backbone conformation of cyclosporin A: the complex with lithium chloride (1992) (77)
- Imaging of a β-peptide distribution in whole-body mice sections by MALDI mass spectrometry (2007) (77)
- Synthesis of Nonproteinogenic (R)‐ or (S)‐Amino Acids Analogues of Phenylalanine, Isotopically Labelled and Cyclic Amino Acids from tert‐Butyl 2‐(tert‐Butyl)‐3‐methyl‐4‐oxo‐1‐imidazolidinecarboxylate (Boc‐BMI) (1989) (77)
- Isolation and 1H-NMR spectroscopic identification of poly(3-hydroxybutanoate) from prokaryotic and eukaryotic organisms. Determination of the absolute configuration (R) of the monomeric unit 3-hydroxybutanoic acid from Escherichia coli and spinach. (1994) (77)
- Resolution of racemic carboxylic acid derivatives by Ti-TADDOLate mediated esterification reactions—A general method for the preparation of enantiopure compounds (1997) (77)
- Regio- and diastereoselective preparation of aldols from .alpha.-branched ketone enolates generated from BHT ester enolates and organolithium reagents. In situ generation and trapping of ketenes from ester enolates (1985) (77)
- Über den sterischen Verlauf der Umsetzung von Enaminen aus offenkettigen Aldehyden und Ketonen mit Nitroolefinen zu 2,3‐disubstituierten 4‐Nitroketonen (1985) (76)
- Dendritically Cross-Linking Chiral Ligands: High Stability of a Polystyrene-Bound Ti-TADDOLate Catalyst with Diffusion Control. (1999) (76)
- On the Antimicrobial and Hemolytic Activities of Amphiphilic β‐Peptides (2001) (75)
- Preparation of Chiral Building Blocks from Amino Acids and Peptides via Electrolytic Decarboxylation and TiCl4-Induced Aminoalkylation†‡ (1986) (75)
- Microreactor Synthesis of β‐Peptides (2006) (75)
- Preparation and determination of X-ray-crystal and NMR-solution structures of γ2,3,4-peptides (2001) (75)
- Chirale elektrophile Synthesebausteine mit vier verschiedenen funktionellen Gruppen aus Weinsäure, 2, 3‐ und 3, 4‐Epoxy‐butandiolderivate in allen vier stereoisomeren Formen (1981) (74)
- On the preparation of β‐amino acids from α‐amino acids using the Arndt‐Eistert reaction: Scope, limitations and stereoselectivity. Application to carbohydrate peptidation. Stereoselective α‐alkylations of some β‐amino acids (1995) (74)
- Preparation by yeast reduction and determination of the sense of chirality of enantiomerically pure ethyl (−)-4,4,4-trichloro-3-hydroxy- and (+)-4,4,4-trifluoro-3-hydroxybutanoate (1984) (74)
- Highly enantioselective addition of primary alkyl Grignard reagents to carbocyclic and heterocyclic arylketones in the presence of magnesium TADDOLate preparative and mechanistic aspects (1994) (74)
- Preparation of the PdCl2 Complex of TADDOP, the Bis(diphenylphosphinite) of TADDOL: Use in enantioselective 1,3-diphenylallylations of nucleophiles and discussion of the mechanism (1995) (73)
- Michael‐Additionen von Lithiumenolaten und schwefelsubstituierten Lithiumorganylen an Nitroolefine (1975) (73)
- Electrophilic S‐Trifluoromethylation of Cysteine Side Chains in α‐ and β‐Peptides: Isolation of Trifluoro‐methylated Sandostatin® (Octreotide) Derivatives (2008) (72)
- Structure and Conformation ofβ-Oligopeptide Derivatives with Simple Proteinogenic Side Chains: Circular Dichroism and Molecular Dynamics Investigations (2000) (72)
- Valenzisomerisierungen von Cyclobutenen (1965) (72)
- Titanate‐Catalyzed Enantioselective Addition of Dialkylzinc Compounds—Generated in situ from Grignard Reagents in Ether—to Aldehydes (1991) (72)
- Solubilization of Peptides in Non‐polar Organic Solvents by the Addition of Inorganic Salts: Facts and Implications (1989) (72)
- Brominations of Cyclic Acetals from α-Amino Acids and α- or β-Hydroxy Acids with N-Bromosucinimide (1987) (72)
- EPC Syntheses with C, C Bond Formation via Acetals and Enamines (1986) (72)
- Alkylation of the isoquinoline skeleton in the 1-position (1983) (71)
- Preparation and Structure ofβ-Peptides Consisting of Geminally Disubstitutedβ2,2- andβ3,3-Amino Acids: A Turn Motif forβ-Peptides (1998) (71)
- Herstellung enantiomerenreiner cis‐ oder trans‐konfigurierter 2‐(tert‐Butyl)‐3‐methylimidazolidin‐4‐one aus den Aminosäuren (S)‐Alanin, (S)‐Phenylalanin, (R)‐Phenylglycin, (S)‐Methionin und (S)‐Valin (1985) (70)
- Catalytic Enantioselective Hydrosilylation of Aromatic Ketones Using Rhodium Complexes of TADDOL-Derived Cyclic Phosphonites and Phosphites (1993) (70)
- Further Investigation of the Nature of the C‐Li Bond. Structures of a Phenylthiomethyllithium Complex and ofa Methylthiomethyllithium Complex (1984) (70)
- The Arndt–Eistert Reaction in Peptide Chemistry: A Facile Access to Homopeptides (1995) (69)
- Enantiomerically Pure Tertiary Alcohols by TADDOL‐Assisted Additions to Ketones—or How to Make a Grignard Reagent Enantioselective (1992) (69)
- Dendritic TADDOLs: Synthesis, Characterization and Use in the Catalytic Enantioselective Addition of Et2Zn to Benzaldehyde (1999) (69)
- Modification of Cyclosporin A (CS): Generation of an enolate at the sarcosine residue and reactions with electrophiles (1993) (68)
- Preparation of TADOOH, a Hydroperoxide from TADDOL, and Use in Highly Enantioface‐ and Enantiomer‐Differentiating Oxidations (2001) (68)
- Enantiomerenreine Pyrrolidin‐Derivate aus trans‐4‐Hydroxy‐L‐prolin durch elektrochemische oxidative Decarboxylierung und Titantetrachlorid‐vermittelte Umsetzung mit Nukleophilen (1986) (68)
- Asymmetrische Michael‐Additionen. Stereoselektive Alkylierungen des (R)‐ und (S)‐Enamins aus Cyclohexanon und 2‐(Methoxymethyl)pyrrolidin durch α‐(Methoxycarbonyl)zimtsäure‐methylester (1983) (67)
- Dendritic styryl TADDOLs as novel polymer cross‐linkers: First application in an enantioselective Et2Zn addition mediated by a polymer‐incorporated titanate. Preliminary communication (1997) (67)
- Synthesis, Crystal Structures, and Modelling ofβ-Oligopeptides Consisting of 1-(Aminomethyl)cyclopropanecarboxylic Acid: Ribbon-Type Arrangement of Eight-Membered H-Bonded Rings (1999) (67)
- α,α‐Doubly Deprotonated Nitroalkanes. Enhancement of the C‐Nucleophilicity of Nitronates (1976) (67)
- Structure, Synthesis, and Properties of Some Persubstituted 1,2‐Dintroethanes. In Quest of Nitrocyclopropyl‐Anion Derivatives (1982) (67)
- Herstellung α-thiolierter Carbonylverbindungen (1976) (67)
- Enantioselektive Addition von Arylgruppen an aromatische Aldehyde mit Aryltitan‐Binaphthol‐Derivaten (1985) (66)
- (+)‐11,11′‐Di‐O‐methylelaiophylidene – preparation from elaiophylin and total synthesis from (R)‐3‐hydroxybutyrate and (S)‐malate (1986) (66)
- The P4‐Phosphazene Base as Part of a New Metal‐Free Initiator System for the Anionic Polymerization of Methyl Methacrylate (1993) (66)
- The outstanding metabolic stability of a 14C‐labeled β‐nonapeptide in rats – in vitro and in vivo pharmacokinetic studies (2002) (66)
- Preparation and C-alkylation of enantiomerically pure S-phenyl aziridinecarbothioates. On the structure of small-ring ester lithium enolates (1987) (66)
- Synthesis, CD Spectra, and Enzymatic Stability of β2‐Oligoazapeptides Prepared from (S)‐2‐Hydrazino Carboxylic Acids Carrying the Side Chains of Val, Ala, and Leu (2003) (66)
- Chiral Dendrimers from Tris(hydroxymethyl)methane Derivatives (1994) (66)
- C‐Metallierte chirale Aloxide als d2‐ und d3‐Reagenzien für die Synthese enantiomerenreiner Produkte (EPC‐Synthese) (1984) (65)
- Erzeugung und Reaktionen von α‐(Trimethylsilyl)‐, α‐(Phenylthio)‐und α‐(Phenylseleno)vinyllithium‐Verbindungen (1977) (65)
- Preparation of dendritic and non-dendritic styryl-substituted Salens for cross-linking suspension copolymerization with styrene and multiple use of the corresponding Mn and Cr complexes in enantioselective epoxidations and hetero-Diels-Alder reactions. (2001) (65)
- Direkte ortho‐Metallierung von Benzylalkoholen Eine neuartige Herstellung von ortho‐substituierten Benzylalkoholen (1980) (64)
- Doubly Deprotonated Methyl 3‐Mitropropanoate, an Acrylic Ester d2‐reagent (1982) (64)
- 5‐Benzyl‐3‐methylimidazolidin‐4‐one‐Derived Reactive Intermediates of Organocatalysis – A Comforting Resemblance of X‐Ray, NMR, and DFT Solid‐Phase, Liquid‐Phase, and Gas‐Phase Structures (2009) (64)
- Enantioselektive α‐Alkylierung von Asparagin‐ und Glutaminsäure über die Dilithium‐enolatocarboxylate von 2‐[3‐Benzoyl‐2‐(tert‐butyl)‐1‐methyl‐5‐oxoimidazolidin‐4‐yl]essigsäure und 3‐[3‐Benzoyl‐2‐(tert‐butyl)‐1‐methyl‐5‐oxoimidazolidin‐4‐yl]propionsäure (1985) (64)
- Three New Chiral Aminoethers from Tartaric Acid for Improved Asymmetric Syntheses with Organolithium Reactions. Preliminary communication (1979) (64)
- Methyl‐triisopropoxy‐titanium, a highly selective nucleophilic methylating reagent. Preliminary Communication (1980) (64)
- Synthesis and Enzymatic Degradation of Dendrimers from (R)‐3‐Hydroxybutanoic Acid and Trimesic Acid (1996) (64)
- Mixed β2/β3-Hexapeptides and β2/β3-Nonapeptides Folding to (P)-Helices with Alternating Twelve- and Ten-Membered Hydrogen-Bonded Rings (2002) (64)
- Synthesis of a β-Hexapeptide from (R)-2-Aminomethyl-alkanoic Acids and Structural Investigations (1997) (64)
- [3 + 3]-Carbocyclizations of nitroallylic esters and enamines with stereoselective formation of up to six new stereogenic centers (1990) (64)
- Artificial chemokines: combining chemistry and molecular biology for the elucidation of interleukin-8 functionality. (2008) (63)
- Enantioselective synthesis of .beta.-amino acids. 2. Preparation of the like stereoisomers of 2-methyl- and 2-benzyl-3-aminobutanoic acid (1992) (63)
- l-2-nitro-1,3-alkanediols by stereoselective addition of nitroethanol to aldehydes. On the asymmetric electrophilic addition to double bonds (1985) (63)
- Enantioselective conjugate addition of primary dialkylzinc reagents to 2-aryl- and 2-heteroaryl-nitroolefins mediated by titanium-TADDOLates preparation of enantioenriched 2-aryl-alkylamines (1995) (62)
- Scope and limitations of the TiCl4‐mediated additions of isocyanides to aldehydes and ketones with formation of α‐hydroxycarboxylic acid amides (1988) (62)
- Alkylations of (R,R)-2-t-Butyl-6-methyl-1,3-dioxan-4-ones which are not Possible with Lithium Amides may be Achieved with a Schwesinger P4 Base (1991) (62)
- Interaction of α-and β-Oligoarginine-Acids and Amides with Anionic Lipid Vesicles: A Mechanistic and Thermodynamic Study† (2006) (62)
- Lithiierte Methylnitrosamine Nucleophile α-sek.-Aminomethylierung (1975) (61)
- Selectivities in the Reactions of Alkyl‐, Aryl‐ and Heterosubstituted Organotitanium Compounds Preliminary Communication (1981) (61)
- 1,3‐Dioxanone Derivatives from β‐Hydroxy‐carboxylic Acids and Pivalaldehyde. Versatile Building Blocks for Syntheses of Enantiomerically Pure Compounds. A Chiral Acetoacetic Acid Derivative Preliminary Communication (1986) (61)
- Enantioselektive 1,2‐Additionen von Li‐, Mg‐, Zn‐ und Cu‐organischen Verbindungen und von Li‐Enolaten an Carbonylverbindungen im chiralen Medium DDB (1979) (61)
- Derivatives of α,α,α′,α′-Tetraaryl-2,2-dimethyl-1,3-dioxolan-4,5-dimethanol (TADDOL) containing nitrogen, sulfur, and phosphorus atoms. New ligands and auxiliaries for enantioselective reactions. (1993) (61)
- Quantitative Line‐Shape Analysis of Temperature‐ and Concentration‐Dependent 13C‐NMR Spectra of 6Li‐ and 13C‐Labelled Organolithium Compounds. Kinetic and Thermodynamic Data for Exchange Processes in Dibromomethyllithium, (Phenylthio)methyllithium, and Butyllithium (1985) (60)
- The fourth helical secondary structure of β-peptides: The (P)-28-helix of a β-hexapeptide consisting of (2R,3S)-3-amino-2-hydroxy acid residues (2003) (60)
- Umsetzung von 1‐Brom‐1‐lithiocyclopropanen mit Ketonen und Aldehyden. Eine neue Methode zur Überführung von Olefinen in Oxaspiropentane, Cyclobutanone, Cyclopropylketone und Lactone (1975) (60)
- CH-Acidität in α-Stellung zum N-Atom in N,N-dialkylamiden mit sterisch geschützter Carbonylgruppe zur nucleophilen minoalkylierung (1978) (60)
- Matrix-assisted laser desorption and ionization as a mass spectrometric tool for the analysis of poly[(R)-3-hydroxybutanoates]. Comparison with gel permeation chromatography (1993) (60)
- Preparative Microbial Reduction of β‐Oxoesters with Thermoanaerobium brockii (1984) (60)
- C-alkylation of peptides through polylithiated and LiCl-solvated derivatives containing sarcosine Li-enolate units (1991) (59)
- Synthese monodisperser linearer und cyclischer Oligomere der (R)‐3‐Hydroxybuttersäure mit bis zu 128 Einheiten (1996) (59)
- Asymmetric synthesis of .beta.-amino acids. 1. Highly diastereoselective addition of a racemic .beta.-alanine enolate derivative to electrophiles (1991) (59)
- Doppelmetallierung von Benzyl- und Allylmercaptanen; das Thiobenzaldehyd- und Thioacrolein-Dianion (1977) (59)
- Chiral hydroperoxides as oxygen source in the catalytic stereoselective epoxidation of allylic alcohols by sandwich-type polyoxometalates: control of enantioselectivity through a metal-coordinated template. (2003) (59)
- Cyclic nitronates from the diastereoselective addition of 1-trimethylsilyloxycyclohexene to nitroolefins. Starting materials for stereoselective Henry reactions and 1,3-dipolar cycloadditions (1987) (58)
- On the steric course of addition of 1-lithio- and 1-magnesio-2-pivaloyl-1,2,3,4-tetrahydroisoquinoline to aldehydes and ketones. An x-ray crystal structure determination of the organomagnesium reagent (1985) (58)
- Herstellung von Polyalkylmercapto- und Polyarylmercapto-methanen, -äthanen und -äthylenen aus metallierten Orthotrithioameisensäureestern (1972) (58)
- Secondary and Tertiary Phenylthio- and Phenylselenoalkyllithium Compounds as Novel Reagents for the Formation of CC Bonds† (1974) (58)
- Note on the Preparation of 1,2‐Diketones from Acetylenes (1988) (58)
- Stoichiometric Reactions of Enamines Derived from Diphenylprolinol Silyl Ethers with Nitro Olefins and Lessons for the Corresponding Organocatalytic Conversions – a Survey (2013) (58)
- On the preparation of methyl and ethyl (r)-(−)-3-hydroxy-valerate by depolymerization of a mixed phb/phv biopolymer (1984) (57)
- Synthesis of Chiral Starburst Dendrimers from PHB-Derived Triols as Central Cores (1994) (57)
- RING OPENING WITH KINETIC RESOLUTION OF AZLACTONES BY TI-TADDOLATES (1999) (57)
- 2, 3-Disubstituted γ-Butyrolactams from the Michael-Additions of Doubly Deprotonated, Optically Active β-Hydroxycarboxylates to Nitroolefins. Preliminary Communication (1980) (56)
- Crystal and molecular structure of a THF-solvated lithium amide enolate dimer (1985) (56)
- The cyclo-β-tetrapeptide (β-HPhe-β-HThr-β-HLys-β-HTrp): synthesis, NMR structure in methanol solution, and affinity for human somatostatin receptors (2000) (55)
- Chemical and Biological Investigations of β‐Oligoarginines (2004) (55)
- Synthese und Bestimmung der absoluten Konfiguration von Norpyrenophorin, Pyrenophorin und Vermiculin (1978) (55)
- Oligomers ofβ2- and ofβ3-Homoproline: What are the Secondary Structures ofβ-Peptides Lacking H-Bonds? (1999) (55)
- Catalytic Enantioselective Hydrosilylation of Ketones with Rhodium‐Phosphite Complexes Containing a TADDOLate and a Dihydrooxazole Unit (1999) (54)
- Chirale Synthesebausteine durch Kolbe‐Elektrolyse enantiomerenreiner β‐Hydroxy‐carbonsäurederivate. (R)‐ und (S)‐Methyl‐sowie (R)‐Trifluormethyl‐γ‐butyrolactone und ‐δ‐valerolactone (1985) (54)
- Experimental and Theoretical Conformational Analysis of 5‐Benzylimidazolidin‐4‐one Derivatives – a ‘Playground’ for Studying Dispersion Interactions and a ‘Windshield‐Wiper’ Effect in Organocatalysis (2010) (54)
- Low-Temperature 13C-NMR Spectra of 6Li- and 13C-Labelled Sulfur- and Selenium-Substituted Organolithium Derivatives†‡§ (1984) (54)
- Channel‐Forming Activity of 3‐Hydroxybutanoic‐Acid Oligomers in Planar Lipid Bilayers (1996) (54)
- Synthesis, Properties, and Crystal Structure of Silyl Nitronates (Silyl Esters of aci-Nitroalkanes): Towards the SN2 Reaction Path with Retention of Configuration at Silicon (1980) (54)
- Improved Efficacy of Fosmidomycin against Plasmodium and Mycobacterium Species by Combination with the Cell-Penetrating Peptide Octaarginine (2013) (53)
- Stereospecific preparation of terminal vinyllithium derivatives by Br/Li-exchange with t-butyllithium (1976) (53)
- Convenient Synthesis of Vinylsilanes and Their Use in Ketone Synthesis (1974) (53)
- Synthesis and determination of the absolute configuration of pyrenophorin and vermiculin. (1977) (53)
- Diastereoselective benzyloxymercuration/demercuration of derivatives of .gamma.-alkyl-.delta.-hydroxy-.alpha.,.beta.-unsaturated esters. A new strategy for the synthesis of aldol-type products (1983) (52)
- (S)-β3-Homolysine- and (S)-β3-Homoserine-Containingβ-Peptides: CD Spectra in Aqueous Solution (1998) (52)
- Anwendungen der Magnesiumderivate von Thioacrolein‐Dianionen zur Synthese schwefelfreier Verbindungen (Vinyl‐ und Divinylepoxide, Acylcyclopentene) (1979) (52)
- Synthesis of cyclo-β-tripeptides and their biological in vitro evaluation as antiproliferatives against the growth of human cancer cell lines (2001) (51)
- Investigation of the enzymatic cleavage of diastereomeric oligo(3-hydroxybutanoates) containing two to eight HB units. A model for the stereoselectivity of PHB depolymerase from Alcaligenes faecalis T1 (1999) (51)
- Zum stereochemischen Verlauf der Biosynthese von 2-Oxo-pantolacton: Synthese von stereospezifisch indiziertem Pantolacton aus Äpfelsäure† (1982) (51)
- Enantioselective Heterogeneous Epoxidation and Hetero-Diels-Alder Reaction with Mn- and Cr-salen Complexes Immobilized on Silica Gel by Radical Grafting (2002) (51)
- Alkyl-, Aryl-, Vinyl-, and Heterosubstituted Organozirconium Compounds. -Selective nucleophiles of low basicity. Preliminary communication (1981) (51)
- Enantioselective Preparation ofγ-Amino Acids andγ-Lactams from Nitro Olefins and Carboxylic Acids, with the Valine-Derived 4-Isopropyl-5,5-diphenyl-1,3-oxazolidin-2-one as an Auxiliary (1999) (51)
- 2,2‐Dimethyl‐α,α,α′,α′‐tetra(naphth‐2‐yl)‐1,3‐dioxolan‐4,5‐dimethanol (DINOL) für die Titanat‐vermittelte, enantioselektive Addition von Diethylzink an Aldehyde (1991) (51)
- Linear, Peptidase-Resistantβ2/β3-Di- andα/β3-Tetrapeptide Derivatives with Nanomolar Affinities to a Human Somatostatin Receptor, Preliminary Communication (2001) (51)
- Methionin als Vorläufer zur enantioselektiven Synthese α-verzweigter Vinylglycine und anderer Aminosäuren (1986) (51)
- Diasteroselektive Hydroxyalkylierungen in 1‐Stellung von Tetrahydroisochinolinen und Synthese von Aporphin‐, Protoberberin‐ und Phthalid‐Alkaloider (1987) (51)
- Herstellung einiger chiraler Aminodiole aus Weinsäure. Chirale Lithiumalanate für asymmetrische Hydrierungen (1980) (50)
- Dehydratisierung von Nitroaldolen mit Dicyclohexylcarbodiimid: Herstellung von Nitroolefinen unter milden Bedingungen (1982) (50)
- Enantioselective 1,4‐Addition of Aliphatic Grignard Reagents to Enones Catalyzed by Readily Available Copper(I) thiolates derived from TADDOL. Preliminary communication (1997) (50)
- Anwendungsbreite der reduktiven Kupplung aromatischer Aldimin‐Derivate mit niedervalenten Titan‐Reagenzien zu 1,2‐Diarylethylendiaminen (1988) (50)
- Improved Nitroaldol Reactions and Reductive Routes to Vicinal Aminoalcohols (1981) (50)
- Enzymatic Degradation of β‐ and Mixed α,β‐Oligopeptides (2006) (49)
- Doppelt metalliertes Methanol. Alkohol‐d1‐ und ‐d3 ‐Reagenzien (1980) (49)
- Synthesis of Linear Oligomers of (R)-3-Hydroxybutyrate and Solid-State Structural Investigations by Electron Microscopy and X-ray Scattering (1994) (49)
- β‐Thiopeptides: Synthesis, NMR Solution Structure, CD Spectra, and Photochemistry (1999) (49)
- Direct Diastereoselective Alkylation of Tartaric Acid Through an Enolate (1981) (49)
- α-Alkylation of β-aminobutanoates with lk-1.2-induction (1987) (49)
- Synthese optisch aktiver 2‐Methyl‐ und 2‐Äthyl‐1, 6‐dioxaspiro [4.4]‐nonan‐ und ‐[4.5]decan‐Pheromone aus einem gemeinsamen chiralen Vorläufer (1980) (48)
- Asymmetrische Michael‐Additionen. Regio‐, diastereo‐ und enantioselektive Alkylierungen der Enamine aus β‐Tetralonen und (S)‐2‐(Methoxymethyl)pyrrolidin („Prolinolmethylether”︁) durch ω‐Nitrostyrole (1983) (48)
- Crahamimycin A1 synthesis and determination of configuration and chirality (1982) (48)
- Dichloro[TADDOLato(2−)-O,O′]titanium/Dichlorobis[1-methylethoxy]titanium-Mediated, Highly Diastereo- and Enantioselective Additions of Silyl Enol Ethers to Nitro Olefins and [3+2] Cycloadditions of Primary Adducts to Acetylenes (1999) (48)
- Lithiated 4-isopropyl-3-(methylthiomethyl)-5,5-diphenyloxazolidin-2-one: a chiral formyl anion equivalent for enantioselective preparations of 1,2-diols, 2-amino alcohols, 2-hydroxy esters, and 4-hydroxy-2-alkenoates. (2001) (48)
- Trifluoroacetoxy-phenylselenation of nitroolefins regioselective preparation of nitroallylic alcohol derivatives and their use as multiple coupling reagents (1985) (48)
- Direct Degradation of the Biopolymer Poly[(R)‐3‐Hydroxybutyric Acid] to (R)‐3‐Hydroxybutanoic Acid and its Methyl Ester (2003) (48)
- TADDOLs with Unprecedented Helical Twisting Power in Liquid Crystals. Preliminary communication (1997) (48)
- Darstellung und “disproportionierende Hydrolyse” von Cyclopropanonthioacetalen Eine neue Homologisierungsmethode1, 2) (1976) (48)
- Circular dichroism spectra of β-peptides: sensitivity to molecular structure and effects of motional averaging (2003) (47)
- Exploring the Antibacterial and Hemolytic Activity of Shorter‐ and Longer‐Chain β‐, α,β‐, and γ‐Peptides, and of β‐Peptides from β2‐3‐Aza‐ and β3‐2‐Methylidene‐amino Acids Bearing Proteinogenic Side Chains – A Survey (2005) (47)
- Lithium‐Salt Effects in Peptide Synthesis. Part II. Improvement of Degree of Resin Swelling and of Efficiency of Coupling in Solid‐Phase Synthesis (1991) (47)
- Lithiierung und elektrophile Substitution an α‐Methylengruppen von Nitrosaminen Umpolung der Reaktivität sekundärer Amine (1977) (47)
- Highly Enantioselective Ring Opening of Cyclic Meso-Anhydrides to Isopropyl Hemiesters with Ti−TADDOLates: An Alternative to Hydrolytic Enzymes? (1998) (47)
- Design and synthesis of gamma-dipeptide derivatives with submicromolar affinities for human somatostatin receptors. (2003) (47)
- Probing the interactions of an acyl carrier protein domain from the 6‐deoxyerythronolide B synthase (2011) (47)
- The world of beta- and gamma-peptides comprised of homologated proteinogenic amino acids and other components. (2004) (47)
- Synthesis and reactions of substituted nitro-allylating reagents (1983) (47)
- Die Selbstregeneration von Stereozentren (SRS) — Anwendungen, Grenzen und Preisgabe eines Syntheseprinzips (1996) (47)
- On the Biodegradation of β‐Peptides (2002) (47)
- 1,2‐Oxazine N‐Oxides as Catalyst Resting States in Michael Additions of Aldehydes to Nitro Olefins Organocatalyzed by α,α‐Diphenylprolinol Trimethylsilyl Ether (2012) (47)
- Katalytische und stöchiometrische enantioselektive Additionen von Diethylzink an Aldehyde mit Hilfe eines neuartigen chiralen Spirotitanats (1991) (47)
- Cyclische Oligomere von (R)-3-Hydroxybuttersäure: Herstellung und strukturelle Aspekte† (1993) (46)
- Hydroxyalkylierungen von Cystein über das Enolat von (2R,5R)‐2(tert‐Butyl)‐1‐aza‐3‐oxa‐7‐thiabicyclo[3.3.0]octan‐4‐on und unter Selbstreproduktion des Ciralitätszentrums (1984) (46)
- Synthesis, and Helix or Hairpin-Turn Secondary Structures of ‘Mixed’ α/β-Peptides Consisting of Residues with Proteinogenic Side Chains and of 2-Amino-2-methylpropanoic Acid (Aib) (2006) (46)
- C‐Alkylation of Sarcosine Residues in Cyclic Tetrapeptides via Lithium Enlates (1993) (46)
- Herstellung enantiomerenreiner, α‐alkylierter Lysin‐, Ornithin‐ und Tryptophan‐Derivate (1988) (46)
- NMR‐Solution Structures of Fluoro‐Substituted β‐Peptides: A 314‐Helix and a Hairpin Turn. The First Case of a 90° OCCF Dihedral Angle in an α‐Fluoro‐Amide Group (2007) (46)
- Ketene Thioacetals by “Peterson Carbonyl Olefination” with Metalated Formyl Trimethylsilyl Thioacetals†‡§ (1972) (46)
- Photoelektronenspektren und Moleküleigenschaften, XXXII. n/π-Konjugation in heterosubstituierten Äthylenen (1974) (46)
- The Effect of Backbone‐Heteroatom Substitution on the Folding of Peptides – A Single Fluorine Substituent Prevents a β‐Heptapeptide from Folding into a 314‐Helix (NMR Analysis) (2005) (46)
- Erzeugung und Reaktionen von α‐Li‐N.N‐Dimethyl‐acetamid und ‐propionamid und von α‐Li‐Acetonitril (1968) (46)
- Reversed Stereochemical Course of the Michael Addition of Cyclohexanone to β‐Nitrostyrenes by Using 1‐(Trimethylsiloxy)cyclohexene/Dichloro(diisopropoxy)titanium. Preliminary Communication (1985) (45)
- Complexation and medium effects on the conformation of cyclosporin A studied by NMR spectroscopy and molecular dynamics calculations. (1990) (44)
- Die Geometrie von Lithium‐Komplexen mit koordinativ gebundenen Carbonylverbindungen und die Struktur eines Lithiumdienolates (1986) (44)
- Nucleophile Aminoalkylierung mit Thiopivalamiden (1980) (44)
- Synthesis and Properties of First to Third Generation Dendrimers with Doubly and Triply Branched Chiral Building Blocks (1995) (44)
- Highly efficient catalytic asymmetric epoxidation of allylic alcohols by an oxovanadium-substituted polyoxometalate with a regenerative TADDOL-derived hydroperoxide. (2003) (44)
- Spezifikation des sterischen Verlaufs von asymmetrischen Synthesen (2006) (44)
- Total synthesis of (+)-11,11'-Di-O-methylelaiophylidene: an aglycone of elaiophylin (1985) (44)
- Nucleophile Acylierung mit 2-Lithium-1,3-dithianen bzw. -1,3,5-trithianen1,2,3 (2005) (44)
- Stereoselective alkylation of glycine units in dipeptide derivatives: "Chirality transfer" via a pivalaldehyde N,N-acetal center (1989) (44)
- Peptidfaltung: Wenn die Simulation das Experiment erreicht (1999) (43)
- Drei neue Varianten der CC-Verknüpfung mit Nitrosaminen (Erzeugung und Herstellung sowie Umsetzungen von Kalium- und Zinn-Derivaten; Acylierung mit α-Ketonitrilen) (1978) (43)
- New Open‐Chain and Cyclic Tetrapeptides, Consisting of α‐, β2‐, and β3‐Amino‐Acid Residues, as Somatostatin Mimics – A Survey (2008) (43)
- Aminierende reduktive Kupplung aromatischer Aldehyde mit niervalenten Titan‐Reagenzien zu 1,2‐Diarylethylendiaminen (1987) (43)
- Zur Chemie acetylenischer Titan- Verbindungen (1987) (43)
- A case of highly diastereoselective addition to unsymmetrical ketones: lk-addition† of (2-alkenyl)triphenoxytitanium derivatives (1982) (43)
- Highly Enantioselective Opening of Cyclic meso‐Anhydrides to Isopropyl Hemiesters with Diisopropoxytitanium TADDOLates (1995) (43)
- A theoretical and experimental study of the effects of silyl substituents in enantioselective reactions catalyzed by diphenylprolinol silyl ether. (2014) (43)
- α-Alkylation of threonine (1983) (43)
- Nuceophile Thioacylierung mit Thiocarbamoyllithium‐Derivaten von sek. Aminen (1976) (43)
- Diastereoselektive synthese neuartiger Mannich-Basen mittels titanderivaten, vorläufige mitteilung†‡ (1984) (43)
- Zum Mechanismus der elektrochemischen Pinakolisierung. Die erste asymmetrische Elektrosynthese in chiralem Medium (1975) (42)
- Lithiierung in α‐Stellung zum N‐Atom von Triphenylacetamiden aus cyclischen sekundären Aminen. Umlagerung metallierter Triphenylacetamide unter 1,3‐Verschiebung der Carbamoylgruppe (1981) (42)
- Bacterial Cell Penetration by β3‐Oligohomoarginines: Indications for Passive Transfer through the Lipid Bilayer (2005) (42)
- Faltblätter und Schleifen von β‐Peptiden mit proteinogenen Seitenketten (1999) (42)
- (E,R,R)-5-Alkyliden-2-tert-butyl-6-methyl-1,3-dioxan-4-one: Herstellung aus (R)-3-Hydroxybuttersäure, Cuprat-Additionen und Hydrolysen zu 3-Hydroxycarbonsäuren mit chiralen sekundären Alkylgruppen in 2-Stellung (1990) (42)
- β‐Peptidic Peptidomimetics (2009) (42)
- Bacterial β‐peptidyl aminopeptidases with unique substrate specificities for β‐oligopeptides and mixed β,α‐oligopeptides (2006) (42)
- Direct 13C‐NMR Spectroscopic Observation of Cyclopropylidene Bromolithiocarbenoids (1979) (42)
- 1,4‐Additionen lithiierter Bis(methylthio)methane an cyclische Enone (1977) (42)
- α,α,α′,α′‐Tetraaryl‐1,3‐dioxolane‐4,5‐dimethanols (TADDOLs) for Resolutions of Alcohols and as Chiral Solvating Agents in NMR Spectroscopy (1992) (41)
- β2/β3-di- and α/β3-tetrapeptide derivatives as potent agonists at somatostatin sst4 receptors (2003) (41)
- Präparative chromatographische Enantiomerentrennung von synthetisch nützlichen cyclischen Acetalen (1988) (41)
- Titanat‐katalysierte enantioselektive Addition von in situ aus Grignard‐Reagentien in Ether erzeugten Alkylzinkverbindungen an Aldehyde (1991) (41)
- Mono- and Dialkylation of Derivatives of (1R, 2S)-2-Hydroxycyclopentanecarboxylic Acid and -cyclohexanecarboxylic acid via bicyclic dioxanones: Selective generation of three contiguous stereogenic centers on a cyclohexane ring†‡ (1989) (41)
- Preparation of Polystyrene Beads with Dendritically Embedded TADDOL and Use in Enantioselective Lewis Acid Catalysis (2002) (41)
- α-Alkylation of a cysteine derivative without racemization and without the use of a chiral auxiliary (1983) (41)
- Alkylierung in der 2‐Stellung von (2S, 4R)‐ 4‐Hydroxyprolin unter Retention (1985) (41)
- Electrochemical Decarboxylation of Hydroxyproline: A Simple Three-Step Conversion of (2S,4R)-4-Hydroxyproline to (R)-γ-Amino-β-hydroxybutanoic Acid (GABOB) (1986) (41)
- Herstellung von 1, 3-Diketonen und von Nitro-diketonen durch (1:1)-Acylierungen von Lithiumenolaten mit Acylchloriden (1981) (40)
- Preparation of TADDOL Derivatives for New Applications (1999) (40)
- The Chiral Glycine Enolate Derivative from 1‐Benzoyl‐2‐(tert‐butyl)‐3‐methyl‐1,3‐imidazolidin‐4‐one is Alkylated in the 5‐Position with Relative Topicity lk. Preliminary Communication (1985) (40)
- Tritylketone und tritylenone. Beiträge zur sterisch erzwungenen Michael-Addition und zur diastereoselektiven Aldol-Addition (1985) (40)
- EPC-Synthesis of tetrahydroisoquinolines by diastereoselective alkylation at the 1-position of phenylalanine-derived precursors. Synthesis of the alkaloid (+)-corlumine (1987) (40)
- Permeation of a β -heptapeptide derivative across phospholipid bilayers (2007) (40)
- Enantioselective Addition of Chiral Organotitanium Derivatives to Aldehydes (1981) (39)
- Azetidin-3-ones from (S)-α-Amino Acids and Their Reactions with Nucleophiles: Preparation of some azetidine-containing amino-alcohol and amino-acid derivatives (1995) (39)
- Synthese und Bestimmung der absoluten Konfiguration von Pyrenophorin und Vermiculin (1977) (39)
- Crystal structure of 2‐Lithio‐2‐phenyl‐1,3‐dithiane‐Tetrahydrofuran‐Tetramethylethylenediamine (1/1/1); Electron‐Density Difference Maps for Lithio‐methyl‐ and Lithio‐phenyl‐dithiane (1981) (39)
- Pyramidalization and reactivity of trigonal centers. X-ray crystal structure analysis of two silyl enol ethers from 1-benzoyl- and 1-(methoxycarbonyl)-2-tert-butyl-3,5-dimethyl-4-imidazolidinone (reagents for amino acid synthesis) (1991) (39)
- Doubly Metalated 2‐Propene‐1‐thiol: Thioacrolein Dianion (1974) (38)
- Mono-, Bis-, and Tris(phenylseleno)methyllithium (Selenium-Stabilized Carbanions) (1969) (38)
- Enantiomerenreine tertiäre Alkohole durch TADDOL-vermittelte Additionen an Ketone - oder wie man ein Grignard-Reagens enantioselektiv macht† (1992) (38)
- Syntheses and CD‐Spectroscopic Investigations of Longer‐Chain β‐Peptides: Preparation by Solid‐Phase Couplings of Single Amino Acids, Dipeptides, and Tripeptides (2003) (38)
- Crystal Structure of 2‐Lithio‐2‐methyl‐1,3‐dithiane Tetramethylethylenediamine (1980) (38)
- Total synthesis of (+)-gloeosporone: assignment of absolute configuration (1987) (38)
- Reaktionen polymetallierter Carbonylverbindungen mit Nitroolefinen Eine neue Ringschluß- und Anellierungsmethode (1975) (38)
- Preparation of Optically Active Alcohols from 1,3‐Dioxan‐4‐ones. A Practical Version of the Asymmetric Synthesis with Nucleophilic Substitution at Acetal Centers (1986) (38)
- Enzyme‐Catalyzed Formation of β‐Peptides: β‐Peptidyl Aminopeptidases BapA and DmpA Acting as β‐Peptide‐Synthesizing Enzymes (2007) (38)
- The outstanding biological stability of beta- and gamma-peptides toward proteolytic enzymes: an in vitro investigation with fifteen peptidases. (2001) (38)
- Design, synthesis and structural investigations of a beta-peptide forming a 314-helix stabilized by electrostatic interactions. (2004) (38)
- Alkylierung von Aminosäuren ohne Verlust der optischen Aktivität: α‐ und β‐Alkylierung eines Asparaginsäure‐Derivates (1981) (37)
- Asymmetric Solvent Catalysis; N,N,N′,N′‐Tetramethyl‐2,3‐dimethoxy‐1,4‐butanediamine, a New Chiral Medium (1969) (37)
- Temperature-Dependent NMR and CD Spectra ofβ-Peptides: On the Thermal Stability ofβ-Peptide Helices - Is the Folding Process ofβ-Peptides Non-cooperative? (1999) (37)
- Enantioselective Preparation of 2‐Aminomethyl Carboxylic Acid Derivatives: Solving the β2‐Amino Acid Problem with the Chiral Auxiliary 4‐Isopropyl‐5,5‐diphenyloxazolidin‐2‐one (DIOZ). Preliminary Communication (2003) (37)
- Herstellung chiraler Synthesebausteine aus Aminosäuren und Peptiden durch oxidative elektrolytische Decarboxylierung und TiCl4‐induzierte Umsetzung mit Nucleophilen (1986) (36)
- Steric carbonyl protection metalation and cleavage of highly hindered ureas. Preliminary communication (1978) (36)
- Preparative asymmetric reduction of 3-ketobutyrate and -valerate by suspended cells of thermophilic bacteria (Thermoanaerobium brockii) in ordinary laboratory equipment (1985) (36)
- Enantioselektive Verseifung der Diacetate von 2‐Nitro‐1,3‐diolen mit Schweineleber‐Esterase und Herstellung enantiomerenreiner Derivate von 2‐Nitro‐allylalkoholen (chirale Verknüpfungsreagenzien) (1988) (36)
- Lithium ortho‐Lithiobenzyl Alkoxides (1978) (36)
- Umsetzungen von Dilithio‐nitroalkanen und ‐allylnitroderivaten mit Carbonylverbindungen (1979) (36)
- X-ray crystal structure analysis of (N-isopropylbenzamide)lithium tetrahydrofuran: an aza analogous ketone lithium enolate (1990) (36)
- Studies on the Conformation of Boc‐Protected (S)‐(+)‐Isovaline Homopeptide Methyl Esters in the Solid State and in Solution (1997) (36)
- Direkte 13C‐NMR‐spektroskopische Beobachtung von Cyclopropyliden‐Bromlithiumcarbenoiden (1979) (36)
- A Novel β-Peptidyl Aminopeptidase (BapA) from Strain 3-2W4 Cleaves Peptide Bonds of Synthetic β-Tri- and β-Dipeptides (2005) (36)
- Generation and Reactions of Lithiated tert-Butyl and 2,6-Di(tert-butyl)-4-methylphenyl Cyclopropanecarboxylates (1986) (36)
- Preparation and characterization of TADDOLs immobilized on hydrophobic controlled-pore-glass silica gel and their use in enantioselective heterogeneous catalysis. (2002) (36)
- Enantiomer Separation of (R,S)‐2‐(tert‐Butyl)‐3‐methyl‐4‐imidazolidinone, a Chiral Building Block for Amino Acid Synthesis (1986) (36)
- Preparation of Ethyl (R)‐(−)‐3‐Hydroxy‐2‐methylpropanoate by Yeast Reduction of Ethyl α‐Formylpropanoate (1983) (35)
- Kinetic Resolution of Aliphatic β‐Amino Acid Amides by β‐Aminopeptidases (2009) (35)
- Synthesis and N‐Methyl‐D‐aspartate (NMDA) Antagonist Properties of the Enantiomers of α‐Amino‐5‐(phosphonomethyl)[1,1′‐biphenyl]‐3‐propanoic Acid. Use of a New Chiral Glycine Derivative (1992) (35)
- β‐Peptidic Secondary Structures Fortified and Enforced by Zn2+ Complexation – On the Way to β‐Peptidic Zinc Fingers? (2006) (35)
- Allylation of Aldehydes with Etherification by Dialkoxydichlorotitanium/Allyltrimethylsilane; an Asymmetric Variant of the Sakurai Reaction (1985) (35)
- α,α‐Doppeldeprotonierte Nitroalkane. Erhöhung der Nitronat‐C‐Nucleophilie (1976) (35)
- Regio‐ und stereochemischer Verlauf der Reaktionen von substituierten 2‐Lithio‐N‐nitrosopiperidinen (1977) (35)
- 13C-NMR-Spektren von Tribrommethyl- und 1, 1-Dibromethyllithium (1979) (35)
- Low‐Temperature X‐ray Crystal‐Structure Analysis of the Thermally Unstable Lithiated 2‐Butenyl tert‐Butyl Sulfide: A comparison with model ab initio MO calculations (1988) (35)
- Molecular dynamics simulations of small peptides: can one derive conformational preferences from ROESY spectra? (2003) (34)
- Einfache Darstellung von Hexakis(organylthio)äthanen Pyrolyse von Hexakis(arylthio)äthanen Hinweise auf eine CC-Dissoziation (1972) (34)
- Nonreductive Enantioselective Ring Opening of N‐(Methylsulfonyl)dicarboximides with Diisopropoxytitanium α,α,α′,α′‐Tetraaryl‐1,3‐dioxolane‐4,5‐dimethanolate (1996) (34)
- Synthesis of (R)- and (S)2-tert-Butyl-6-trifluoro-methyl-1,3-dioxin-4-ones, Transformations into 3-Hydroxy-3-(trifluoromethyl)alkanoates, and Surprising Differences in the Reactivity of CH3- and CF3-Substituted Compounds† (1992) (34)
- Peptide Enolates. C-Alkylation of Glycine Residues in linear tri-, tetra-, and pentapeptides via dilithium azadienediolates (1994) (34)
- Use of N,N′-Dimethylpropyleneurea (DMPU) as Solvent in the Efficient Preparation of Enantiomerically Pure Secondary Amines (1993) (34)
- Silyl nitronates: improved nitro-aldol reactions and reductive routes to 2-aminoalcohols (1978) (34)
- Bestimmung der Struktur von Phenyläthinyllithium in Lösung mittels Tieftemperatur‐NMR‐Spektroskopie (1983) (34)
- Generation of dienone and trienone dianion derivatives : Double deprotonation as a route to lumo-filled π-systems (1981) (34)
- Synthesis of β-hexa- and β-heptapeptides containing novel β2,3-amino acids with two serine or two cysteine side chains - CD- and NMR-spectroscopic evidence for 314-helical secondary structures in water (2000) (34)
- Nucleophilic Thioacylation with Solutions of Dimethylthiocarbamoyllithium (1973) (34)
- Nitroallylation of highly reactive organolithium compounds by 2-nitro-3-pivaloyloxy-1-propene (NPP) (1982) (34)
- Cation Transport across Bulk Liquid Organic Membranes with Oligomers of (R)‐3‐Hydroxybutanoic Acid (1993) (34)
- Röntgenstrukturanalyse von 2,4,6‐Tri(tert‐butyl)phenyl‐lithium · N,N,N′,N′‐Tetramethylpropan‐1,2‐diamin: Eine monomere Organolithium‐Verbindung (1989) (33)
- High-yield synthesis of 20-, 24-, and 28-membered macropentolide, -hexolide, and -heptolide, respectively, from (R)- or (S)-3-hydroxybutanoic acid under Yamaguchi's macrolactonization conditions (1988) (33)
- Preparation of Chiral Building Blocks for Starburst Dendrimer Synthesis (1993) (33)
- Zum stereochemischen Verlauf der elektrophilen Substitution an CH-Gruppen in α-Stellung zum N-Atom behinderter Amide Vorläufige Mitteilung (1978) (33)
- Doppelt metalliertes 2‐Propen‐1‐thiol – Thioacrolein‐Dianion (1974) (33)
- α-Heterosubstituierte Organyllithiumverbindungen durch Selen/Lithium-Austausch; gezielte Kopplung von Carbonyl-verbindungen (1977) (33)
- Preparation and Use in Amino Acid Synthesis of a New Chiral Glycine Derivative – (R)‐ and (S)‐tert‐Butyl 2‐tert‐Butyl‐4‐methoxy‐2,5‐dihydroimidazole‐1‐carboxylate (BDI)☆ (1998) (33)
- Revidierte Struktur des Makrodiolids Colletodiol (1981) (33)
- Solution structures of beta peptides from Raman optical activity. (2008) (33)
- Ergiebige Herstellung von (R)- und (S)-3,3,3-Trifluormilchsäure und von (R)- und (S)-(Trifluormethyl)oxiran (1992) (33)
- Synthesis of (2R, 3S)- or (2S, 3R)-2-amino-3-trifluoromethyl-3-hydroxyalkanoic acid derivatives (threonine and allo-threonine analogs) from enantiopure 4,4,4-trifluoro-3-hydroxybutanoic acid (1996) (33)
- 13C‐NMR Spectra of Tribromomethyllithium and 1,1‐Dibromoethyllithium (1979) (33)
- Enantiomerentrennung von (R,S)-2-(tert-Butyl)-3-methyl-4-imidazolidinon, einem chiralen Baustein für die Aminosäuresynthese (1986) (33)
- Stereoselektive Umsetzungen von rac‐, (R), oder (S)‐5‐Alkyliden‐2‐t‐butyl‐3‐methyl‐4‐oxo‐1‐imidazolidincarbonsäure‐t‐butylestern (chirale 2,3‐Dehydroaminosäure‐Derivate) und Herstellung einiger nichtproteinogener Aminosäuren (1991) (32)
- The Magnesium Derivative of Thioacrolein Dianion. A Facile Entry to Vinyl‐ and Divinyloxiranes (1976) (32)
- Asymmetrische Lösungsmittelkatalyse; 1,4‐Bis(dimethylamino)‐2,3‐dimethoxybutan, ein neues chirales Medium (1969) (32)
- 2‐Stannyl‐1, 3‐dithiane Herstellung, Sn/Li‐Transmetallierung und Verwendung für Cyclisierungen (1978) (32)
- Control of enantioselectivity through a hydrogen-bonded template in the vanadium(V)-catalyzed epoxidation of allylic alcohols by optically active hydroperoxides (2003) (32)
- Photosynthese substituierter Cyclobutene (1964) (32)
- EPC‐Synthesis of β‐Amino Acid Derivatives through Lithiated Hydropyrimidines (1999) (32)
- Imaging of a beta-peptide distribution in whole-body mice sections by MALDI mass spectrometry. (2007) (32)
- Umwandlungen von Michael-Addukten an Nitroolefine in Carbonylverbindungen, 1,4-Diaminobutane, Indole und Isochinoline (1975) (31)
- Do valine side chains have an influence on the folding behavior of β-substituted β-peptides? (2004) (31)
- Herstellung und Umsetzungen von (R,R)‐ und (S,S)‐3‐Trifluormethyloxiran‐2‐carbonsäure‐ethylester, einem vielseitigen, leicht zugänglichen CF3‐haltigen Synthesebaustein (1992) (31)
- Chirale Tris(hydroxymethyl)methan‐Derivate als Synthesebausteine für chirale Dendrimere (1994) (31)
- Lithio-1,3,5-trithiane Erzeugung, Umsetzung mit Elektrophilen und Verwendung als nucleophile Acylierungsmittel (1974) (31)
- Kristallstruktur von 2-Lithio-2-phenyl-1,3-dithian-Tetrahydrofuran-Tetramethylethylendiamin (1/1/1); ”X – X„-Elektronendichteverteilung in Lithio-methyl-und Lithio-phenyl-dithian† (1981) (31)
- ADME Investigations of Unnatural Peptides: Distribution of a 14C‐Labeled β 3‐Octaarginine in Rats (2007) (30)
- CD Spectra in Methanol ofβ-Oligopeptides Consisting ofβ-Amino Acids with Functionalized Side Chains, with Alternating Configuration, and with Geminal Backbone Substituents - Fingerprints of New Secondary Structures? (2000) (30)
- α,β‐Doppeldeprotonierte Nitroalkane: Super‐Enamine? Vorläufige Mitteilung (1976) (30)
- Preparation and Structure of Oligolides from (R)-3-Hydroxypentanoic Acid and comparison with the hydroxybutanoic-acid derivatives: A small change with large consequences† (1994) (30)
- Synthesis and Properties of First and Second Generation Chiral Dendrimers with Triply Branched Units: A Spectacular Case of Diastereoselectivity (1997) (30)
- α‐Alkylierung von β‐Hydroxycarbonsäuren über 1,3‐Dioxan‐4‐on‐Enolate (1988) (30)
- Chiral Reagents from Tartaric Acid—1‐Benzyloxy‐3,4‐epoxy‐2‐butanol, a Versatile Intermediate for the Synthesis of Enantiomers (1979) (30)
- Metallierte Ortho‐trithioameisensäureester (1967) (30)
- Asymmetrische Hydrierungen mit 1,4-Bis(dimethylamino)- (2S,3S)-und -(2R,3R)-butan-2,3 -diol(DBD)/Lithiumaluminiumhydrid (1974) (30)
- Synthesis and CD Spectra of Fluoro‐ and Hydroxy‐Substituted β‐Peptides (2003) (30)
- Herstellung enantiomerenreiner Derivate von 3‐Amino‐ und 3‐Mercaptobuttersäure durch SN2‐Ringöffnung des β‐Lactons und eines 1,3‐Dixoanons aus der 3‐Hydroxybuttersä ure (1987) (30)
- Einfache Umwandlung von(–)‐(R)‐3‐Hydroxybuttersäure in das (+)‐(S)‐Enantiomere und dessen Lacton(‒)‐(S)‐4‐Methyloxetan‐2‐on (1987) (29)
- The Miraculous CD Spectra (and Secondary Structures?) ofβ-Peptides as They Grow Longer, Preliminary Communication (2001) (29)
- N‐Perbenzylation of Oligopeptides with P4‐Phosphazene Base; A New Protecting‐Group Technique for Modification and Solubilization of Peptides in Apolar Organic Solvents (1992) (29)
- β‐Peptides: Oligo‐β‐homoalanines – the Amide Analogues of Poly(3‐hydroxybutanoate) (1997) (29)
- Thiolierung von aldehyd- und keton-lithiumenolaten (1974) (29)
- Synthetic substrates and inhibitors of β‐poly(L‐malate)‐hydrolase (polymalatase) (2000) (29)
- Determination of Enantiomer Purity ofβ- andγ-Amino Acids by NMR Analysis of Diastereoisomeric Palladium Complexes (2000) (29)
- Lithium‐Salt Effects in Peptide Synthesis. Part I. Conditions for the Use of Lithium‐Salts in Coupling Reactions (1991) (29)
- (2R)‐5‐Alkyl‐2‐tert‐butyl‐6‐methyl‐4H ‐1,3‐dioxin‐4‐one als Zwischenprodukte zur Herstellung von α,β,β‐trisubstituierten β‐Hydroxycarbonsäuren unter Selbstregeneration des stereogenen Zentrums von (R)‐3‐Hydroxybuttersäure (1990) (29)
- Bequeme Darstellung von Vinylsilanen und deren Verwendung zur Ketonsynthese (1974) (29)
- Lithiated N‐pivaloyl‐tetrahydroisoquinoline—a Supernuclephile (1981) (29)
- SYNTHESIS AND FIRST APPLICATIONS OF A NEW CHIRAL AUXILIARY (TERT-BUTYL 2-(TERT-BUTYL)-5,5-DIMETHYL-4-OXOIMIDAZOLIDINE-1-CARBOXYLATE) (1995) (28)
- Asymmetric induction of photopinacolization in a chiral amino ether (1971) (28)
- Ein metallierter Allylharnstoff mit sterisch geschützter Carbonylgruppe als neuartiges „d3‐Reagens”︁ (1979) (28)
- Metallations and Reactions with Electrophiles of 4-Isopropyl-5,5-diphenyloxazolidin-2-one (DIOZ) with N-Allyl and N-Propargyl Substituents: Chiral Homoenolate Reagents (2002) (28)
- NMR-Solution Structures and Affinities for the Human Somatostatin G-Protein-Coupled Receptors hsst1–5 of CF3 Derivatives of Sandostatin® (Octreotide) (2009) (28)
- Die Arndt‐Eistert‐Reaktion in der Peptidchemie: ein einfacher Zugang zu Homopeptiden (1995) (28)
- Stereoselective chain elongation at C-3 of cysteine through 2,3-dihydrothiazoles, without racemization. Preparation of 2-amino-5-hydroxy-3-mercaptoalkanoic acid derivatives (1991) (28)
- Diastereoselective Synthesis of-Nitro- and-Aminoalcohols (1981) (28)
- Complexes of the triolide from (R)-3-hydroxybutanoic acid with sodium, potassium, and barium salts : crystal structures, ester chelates and ester crowns, crystal packing, bonding, and electron-localization functions (1993) (28)
- On the Mechanism of Eukaryotic Cell Penetration by α‐ and β‐Oligoarginines – Targeting Infected Erythrocytes (2011) (28)
- 1H‐ und 13C‐NMR‐spektroskopische Untersuchungen an Thioamidderivaten; Ringstromeffekt in der 13C‐NMR‐Spektroskopie (1977) (28)
- Synthesis and CD Spectra in MeCN, MeOH, and H2O ofγ-Oligopeptides with Hydroxy Groups on the Backbone, Preliminary Communication (2001) (28)
- Doubly Metalated Thiobenzyl Alcohol—Thiobenzaldehyde Dianion† (1974) (28)
- Nucleophile Ringöffnung von α-Nitrocyclopropancarbonsäure-arylestern mit sterisch geschützter, aber elektronisch wirksamer Carbonyl- und Nitro-Gruppe. Ein neues Prinzip der α-Aminosäure-Synthese (2-Aminobutansäure-a4-Synthon) (1987) (28)
- (R)-Ethyl 4-t-Butoxy-3-hydroxybutanoate, a Versatile Chiral Building Block for EPC (Enantiomerically Pure Compound) Syntheses, by Yeast Reduction of Ethyl 4-t-Butoxy-3-oxobutanoate (1986) (28)
- Sekundäre und tertiäre Phenylthio‐ und Phenylseleno‐alkyllithiumverbindungen als neuartige Reagentien zur CC‐Verknüpfung (1974) (28)
- Further C‐Alkylations of Cyclotetrapeptides via Lithium and Phosphazenium (P4) Enolates: Discovery of a New Conformation (1996) (28)
- d5-Reactions of Doubly Deprotonated γ,δ-Unsaturated Carbonyl Derivatives with Electrophiles. A Novel Approach to the Synthesis of Tetrahydrofuran and Tetrahydropyran Derivatives†‡ (1982) (28)
- “Michael-type” Addition to Conjugated Ketene Thioacetals† (1973) (28)
- Preparative Resolution of Heterocyclic Acetals Derived from Glycine, Mercapto‐acetic Acid, β‐Alanine, and Formyl‐ or Acetylacetic Acid by Recycling Chromatography on Chiraspher and Temperature Dependence of Separation Factors (1991) (28)
- Reaktionen von 1‐Nitrosamino‐allyllithiumverbindungen. Reversibilität der Carbonyladdition (1977) (28)
- β2-Amino Acids: Syntheses, Occurrence in Natural Products, and Components of β-Peptides (2004) (28)
- A Metalated Allylurea with Sterically protected Carbonyl Grourp as Novel d3‐Reagent (1979) (28)
- Die Oxidation von Hexathioethanen zu Tetrathioethen‐Radikalkationen (1980) (27)
- Di- and Trifluoro-Substituted Dilithium Compounds for Organic Syntheses† (1986) (27)
- Nonapeptide analogues containing (R)-3-hydroxybutanoate and beta-homoalanine oligomers: synthesis and binding affinity to a class I major histocompatibility complex protein. (1999) (27)
- Carbon alkylations of a.a- and a.-doubly deprotonated nitroalkanes (1977) (27)
- Mono‐, Bis‐ und Tris(phenylseleno)methyllithium (selenstabilisierte Carbanionen) (1969) (27)
- Generation and Reactions of Tetrasubstituted N‐Lithiomethyl‐succinimides (1977) (27)
- A Simple Batch Reactor for the Efficient Multiple Use of Polymer-Bound α,α,α‘,α‘-Tetraaryl-1,3-dioxolane-4,5-dimethanol Titanates in the Nucleophilic Addition of Dialkylzinc Reagents to Aldehydes (1998) (27)
- Cycloadditionen an die Doppelbindung von (R)‐2‐tert‐Butyl‐Δ4‐1,3‐oxazolin‐3‐carbonsäure‐methylestern (1989) (27)
- Kristallstruktur von 2‐Lithio‐2‐methyl‐1,3‐dithian‐Tetramethylethylendiamin (1/1) (1980) (27)
- Synthese von (2E,4E,6S,7R,10E,12E,14S,15R)‐6,7,14,15‐Tetramethyl‐8,16‐dioxa‐2,4,10,12‐cyclohexadecatetraen‐1,9‐dion. Ein Modellsystem für Elaiophylin (1983) (27)
- CC‐Bond Formation in the α‐Position to Nitrogen in Secondary Amines. Lithiodimethylnitrosamine (1972) (27)
- Doubly Metalated Methanol—A Nucleophilic Hydroxymethylation Reagent (1976) (27)
- Erzeugung sekundärer, tertiärer und quartärer Zentren durch geminale Disubstitution von Carbonyl‐Sauerstoffatomen (2011) (27)
- X-ray crystal structure analysis of an octameric lithium N-isopropylbenzamide Aza enolate complex (1990) (27)
- Doppelt metallierter Thiobenzylalkohol — Thiobenzaldehyd‐Dianion (1974) (27)
- Substituting Nonpeptidic Spacers for the T Cell Receptor-binding Part of Class I Major Histocompatibility Complex-binding Peptides* (1998) (27)
- Reactivity of (R)‐2‐tert‐Butyldihydrooxazole Derivatives Prepared from Serine and Threonine: Novel, Versatile Chiral Building Blocks (1988) (27)
- A stereoselective synthesis of MeBmt employing a new chiral glycine enolate derivative (1991) (27)
- N-Methyl-C-(trichlortitanio)formimidoylchlorid. Ein effizientes Reagenz zur Homologisierung von Aldehyden und Ketonen zu α-Hydroxy-carbonsäureamiden (1983) (27)
- Synthese und biologische Evaluation eines Cyclo‐β‐tetrapeptids als Somatostatin‐Analogon (1999) (26)
- Direkte diastereoselektive Alkylierung der Weinsäure über ein Enolat (1981) (26)
- (+)-Colletodiol : Synthesis from (S,S)-tartaric acid and (R)-3-hydroxy-butyric acid (1984) (26)
- The Dienolate of (R)‐2‐tert‐Butyl‐6‐methyl‐1,3‐dioxin‐4(2H)‐one—a Chiral Acetoacetic Ester d4‐Reagent (1989) (26)
- Crystal Structures - A Manifesto for the Superiority of the Valine-Derived 5,5-Diphenyloxazolidinone as an Auxiliary in Enantioselective Organic Synthesis (2002) (26)
- The Triolide of (R)-3-Hydroxybutyric acid—Direct Preparation from Polyhydroxybutyrate and Formation of a Crown Estercarbonyl Complex with Na Ions (1992) (26)
- Herstellung von α‐verzweigten Phenylalaninen und von 1,1‐disubstituierten Ethylendiaminen über chirale Imidazolidinone und Oxazolidinone aus Glycin – präparative und mechanistische Aspekte (1993) (26)
- β‐Peptides: A Surprise at Every Turn (1998) (26)
- Nmr-structural investigations of a β3-dodecapeptide with proteinogenic side chains in methanol and in aqueous solutions (2002) (26)
- NMR Structure in methanol of a β-hexapeptide with a disulfide clamp (2000) (26)
- Synthesis of3-Peptides and Mixeda/3-Peptides by Thioligation (2002) (26)
- Reactions of Chiral 2-(tert-Butyl)-2H,4H-1,3-dioxin-4-ones Bearing Functional Groups in the 6-Position and Diastereoselective Catalytic Hydrogenation to cis-2,6-Disubstituted 1,3-Dioxan-4-ones (1987) (25)
- Revised Structure of the Fungal Germination Self-Inhibitor Gloeosporone (1987) (25)
- Stereoselective hydroxyalkylations of (S)‐2‐azetidinecarboxylic acid (1990) (25)
- Die vierte helicale Sekundärstruktur von β‐Peptiden: (P)‐28‐Helix eines β‐Hexapeptids aus (2R,3S)‐3‐Amino‐2‐hydroxycarbonsäure‐Einheiten (2003) (25)
- Computational, ReactIR-, and NMR-spectroscopic investigations on the chiral formyl anion equivalent N-(alpha-lithiomethylthiomethyl)-4-isopropyl-5,5-diphenyloxazolidin-2-one and related compounds. (2001) (25)
- Design, Synthesis, NMR-Solution and X-Ray Crystal Structure ofN-Acyl-γ-dipeptide Amides That Form aβII′-Type Turn (2001) (25)
- 1, 4, 5, 6‐Tetrahydro‐ν‐tetrazin‐Derivate (1978) (25)
- Veretherungen von Diolen, Triolen und Hydroxycarbonsäure‐ derivaten über Thallium(I)‐alkoholate Eine neue Variante der Williamson‐Reaktion (1981) (25)
- Zur Anionenselektivität von Distannylderivaten in Membranen (1985) (25)
- Zur Umpolung der Carbonylreaktivität; N2/E1- und N4/E1-Reaktion von 1,1-diheterosubstituierten Olefinen und Dienen (1977) (25)
- Selektive Herstellung von l‐ oder u‐Aldolen aus Äthyl‐trityl‐keton und aromatischen Aldehyden über Lithium‐ bzw. Aluminium‐Enolate (1985) (24)
- Operation Strategies for Controlled Auto Ignition Gasoline Engines (2009) (24)
- Oligoesters of (R)-3-Hydroxybutanoic Acid: Transmembrane Transport of Ca2+ across Vesicle Bilayers (1999) (24)
- Über den Mechanismus des Zerfalls perheterosubstituierter Ethane. Hexakis(alkylthio)- und Tetrakis(methylthio)bis(trimethylsilyl)-ethane (1977) (24)
- Syntheses of (+)‐(S,S)‐(cis‐6‐Methyltetrahydropyran‐2‐yl)acetic acid and of (−)‐(R,R)‐Didesoxy‐pyrenophorine Using a New d5‐Reagent. Preliminary communication (1979) (24)
- Stereospezifische Br/O Ac‐Substitution an syn‐ und anti‐ 11‐ Brom‐2,3‐benzotricyclo[4.4.1.0]undecen‐4‐onen. Die Retentive Substitution am Dreiring (1976) (24)
- NMR-Solution Structures in Methanol of an α-Heptapeptide, of a β3/β2-Nonapeptide, and of an all-β3-Icosapeptide Carrying the 20 Proteinogenic Side Chains (2005) (24)
- (R)‐ and (S)‐4‐Alkoxy‐2‐tert‐butyl‐2,5‐dihydroimidazole‐1‐carboxylates—New Chiral Glycine Derivatives for Amino Acid Synthesis (1993) (24)
- Benzyl (R)‐ and (S)‐2‐tert‐butyl‐5‐oxo‐oxazolidine‐3‐carboxylate for convenient preparation of D‐ and L‐threonine analogs from aldehydes (1991) (24)
- Permeation through Phospholipid Bilayers, Skin‐Cell Penetration, Plasma Stability, and CD Spectra of α‐ and β‐Oligoproline Derivatives (2013) (24)
- Modern Synthetic Methods 1986: Conference Papers of the International Seminar on Modern Synthetic Methods 1986, Interlaken, April 17th/18th 1986 (1986) (24)
- Synthesis and Structure of Linear and Cyclic Oligomers of 3-Hydroxybutanoic Acid with Specific Sequences of (R)- and (S)-Configurations (1998) (24)
- Linear and cyclic β3-oligopeptides with functionalised side-chains (-CH2OBn, -CO2Bn, -CH2CH2CO2Bn) derived from serine and from aspartic and glutamic acid (1998) (24)
- Zweifache Deprotonierung von 2-Aryl-1-nitroethanen Umpolung der Nitroolefin-Reaktivität (1979) (24)
- Strained Polycyclic Systems Consisting of Three‐ and Four‐Membered Rings (1965) (23)
- Nucleophile Aminoalkylierung. Lithiiertes N,N‐Dimethyl‐thiopivalamid (1976) (23)
- Total synthesis of (+)-colletodiol from (S,S)-tartrate and (R)-3-hydroxybutanoate (1987) (23)
- Pharmacokinetic Investigation of a 14C‐Labelled β3/α Tetrapeptide in Rats (2004) (23)
- Asymmetrische Synthese bei Photo‐, Elektro‐ und Alkalimetall‐Pinakolisierungen von Benzaldehyd und Phenonen im chiralen Medium DDB (1977) (23)
- Preparation of (R)‐ and (S)‐2‐alkyl‐2‐amino‐3‐(methylamino)propanoic and other 2,3‐diaminoalkanoic acid derivatives from a chiral imidazoline (1991) (23)
- Reaktionen von Dienolaten des (R)‐2‐tert‐Butyl‐6‐methyl‐4H‐1,3‐dioxin‐4‐ons mid Aldehyden und Ketonen — ein chirales Acetessigester‐d4‐Reagens (1991) (23)
- Dendritisch quervernetzende chirale Liganden – hohe Standfestigkeit eines polystyrolgebundenen Ti-TADDOLat-Katalysators unter Diffusionskontrolle (1999) (23)
- Double Deprotonation of 3‐Nitropropene and 4‐Nitro‐1‐butene: Derivatives of Their Dianions as Novel Reagents for CC‐Linkage (1978) (23)
- On the Terminal Homologation of Physiologically Active Peptides as a Means of Increasing Stability in Human Serum – Neurotensin, Opiorphin, B27‐KK10 Epitope, NPY (2011) (23)
- Preparation and NMR Structure of the Cyclo-β-tripeptide [β3-HGlu]3 in Aqueous Solution: A New Class of Enterobactin-TypeC3-Symmetrical Ligands?, Preliminary Communication (1999) (23)
- Enantiomeric and Diastereoisomeric (Mixed) L/ D‐Octaarginine Derivatives – A Simple Way of Modulating the Properties of Cell‐Penetrating Peptides (2013) (23)
- Optisch aktive Alkohole aus 1,3-Dioxan-4-onen; eine praktikable Variante der asymmetrischen Synthese unter nucleophiler Substitution an Acetalzentren (1986) (23)
- Hoch enantioselektive Öffnung cyclischer meso‐Anhydride zu Isopropylhalbestern mit Diisopropoxytitan‐TADDOLaten (1995) (23)
- A Simple Procedure for the Preparation of Chiral ‘Tris(hydroxymethyl)methane’ Derivatives (1993) (23)
- Enantioselektive Verseifungen substituierter, achiraler 3-Acyloxy-propylester mit Lipasen: Herstellung chiraler Derivate von «Tris(hydroxymethyl)methan» (1990) (23)
- Biodegradation of cyclic and substituted linear oligomers of poly(3-hydroxybutyrate). (1995) (23)
- Addition von Oxoalkan‐Polyanionen an Nitroolefine. Neue Synthese von Cyclohexanonen (1974) (23)
- Stereoselective Preparation of 3-Amino-2-fluoro Carboxylic Acid Derivatives, and Their Incorporation in Tetrahydropyrimidin-4(1H)-ones, and in Open-Chain and Cyclic β-Peptides (2011) (23)
- A Short Synthesis of (R,R)‐(‐)‐Pyrenophorin from (S)‐Propylene Oxide and a 3‐Pentenoic Acid d5‐Reagent (1981) (23)
- Synthesis of (±)-1-desoxy-2-lycorinone and of a possible trans-dihydro-lycoricidine precursor (1982) (23)
- Substitutionen und Additionen an (R)-2-tert-Butyl-Δ4-1,3-oxazolin-3-carbonsäure-methylester (1989) (22)
- Homologative transformation of aldehydes and ketones to α,β- unsaturated ketones through metalated ketene thioacetals (1974) (22)
- (4R,5R)‐2,2‐Dimethyl‐α,α,α′,α′‐Tetra(Naphth‐2‐yl)‐1,3‐Dioxolane‐4,5‐Dimethanol from Dimethyl Tartrate and 2‐Naphthyl‐Magnesium Bromide (2003) (22)
- The ring opening of unsymmetrical allylic, benzylic, propargylic, and Si-substituted epoxides by titanium acetylides: a convenient access to certain 2-substituted 3-butyn-1-ols (1988) (22)
- Cyclobutanone aus 1‐Brom‐1‐lithio‐cyclopropanen und Ketonen (1974) (22)
- 2-Bis (dimethylamino)phosphinoyl-1-lithio-1, 2, 3, 4-tetrahydroisoquinoline. A highly nucleophilic d1-reagent for the preparation of 1-substituted tetrahydroisoquinolines (1981) (22)
- threo‐3‐Alkyl‐ and ‐Arylglutamic Acid Derivatives by Michael Additions of Boc‐BMI Li‐Enolates to 2,6‐Di‐t‐butyl‐4‐methoxyphenyl Alkenoates on the Diastereoselectivity of the Coupling of Trigonal Centers Involving Heterocyclic Li‐Enolates (1992) (22)
- Preparation, Structure, and Properties of All Possible Cyclic Dimers (Diolides) of 3-Hydroxybutanoic Acid (1995) (22)
- Reaktion metallierter Nitrosamine mit Nitrilen Eine neue Methode zur Darstellung von υ‐Triazolen (1977) (22)
- Preparation of Either Enantiomer of 1,2-Diaminoalkane-2-phosphonic Acid Derivatives (1995) (22)
- Erzeugung und Reaktionen des chiralen Lithiumenolats von (+)-(S)-3-Methyl-2-pentanon1,2) (1976) (22)
- α,β‐Unsaturated Carbonyl Compounds with Sterically Protected Carbonyl Groups—Enforced a3versus a1 Reactivity (1979) (22)
- REDUCTIVE DENITROSATION OF NITROSAMINES TO SECONDARY AMINES WITH HYDROGEN RANEY NICKEL (1976) (22)
- Antibacterial Activity of Enrofloxacin and Ciprofloxacin Derivatives of β‐Octaarginine (2015) (22)
- Preparation of β2‐Amino Acid Derivatives (β2hThr, β2hTrp, β2hMet, β2hPro, β2hLys, Pyrrolidine‐3‐carboxylic Acid) by Using DIOZ as Chiral Auxiliary (2005) (22)
- A Highly Convergent Total Synthesis of (+)‐Myxovirescine M2. Preliminary Communication (1991) (22)
- Synthesis of Tri‐, Penta‐, and Heptapeptides Containing and (R)‐2‐alkyl‐2‐amino‐3‐(methylamino)‐propionic acid residue in the central position (1994) (22)
- Lithium- und Kupfer-Derivate von α,α-doppeldeprotonierten Nitroalkanen. – Erzeugung, Eigenschaften und Umsetzungen mit Alkyl- und Allylhalogeniden†‡ (1979) (22)
- Preparation of Protected β2‐ and β3‐Homocysteine, β2‐ and β3‐Homohistidine, and β2‐Homoserine for Solid‐Phase Syntheses (2004) (22)
- Preparation and Characterization of New C2- and C1-Symmetric Nitrogen, Oxygen, Phosphorous, and Sulfur Derivatives and Analogs of TADDOL. Part III: Some New Chiral Brønsted Acids for Organocatalysis and pKa Values in MeO(CH2)2OH/H2O - A Survey (2012) (22)
- Synthesis, characterization, and folding behavior of beta-amino acid derived polyisocyanides. (2006) (22)
- Direct imaging of the surfaces of poly(β) hydroxybutyrate and hydroxybutyrate oligomers by atomic force microscopy (1995) (22)
- Stereoselectivity of Yeast Reductions. An Improved Procedure for the Preparation of Ethyl(S)-3-hydroxybutanoate and (S)-2-Hydroxymethylbutanoate. (1986) (21)
- On the Macrolactonization of β‐Hydroxy Acids. Crystal structures of the pentolide and the hexolide from (R)‐3‐hydroxybutanoic acid. Molecular modeling studies of the tetrolide (1989) (21)
- Alkylative amination of non-enolizable aldehydes with alkyl (dialkyl-amino)titanium derivatives† Preliminary Communication (1982) (21)
- 2,4,6‐Tri‐tert‐butylphenoxy (TBPO) als sterisch wirksame Carbonylschutzgruppe — Ein neues nucleophiles Dimethylaminomethylierungsmittel (1978) (21)
- N‐Linked Glycosylated β‐Peptides Are Resistant to Degradation by Glycoamidase A (2005) (21)
- Gloeosporone – A Macrolide Fungal Germination Self‐Inhibitor Total Synthesis and Activity (1989) (21)
- Diastereoselektive Synthese von -Nitro- und -Aminoalkoholen (1981) (21)
- Use of the Wolff Rearrangement of Diazo Ketones from Amino Acids as a synthetic method for the formation of oligonucleo‐peptides: A novel approach to chimeric biomolecules (1997) (21)
- Dehydroalanine‐Containing Peptides by AcOH‐Elimination from O‐Acetylserine Residuces with DBU/LiClO4 in Tetrahydrofuran (1993) (21)
- Michael Additions of Metalated Thioacetals to Cyclic Enones (1975) (21)
- Allylierung von Aldehyden unter Veretherung mit Dialkoxydichlorotitan und Allyltrimethylsilan; eine asymmetrische Variante der Sakurai‐Reaktion (1985) (21)
- Zn2+-Complexation by a β-peptidic helix and hairpin containing β3hCys and β3hHis building blocks: Evidence from CD measurements preliminary communication (2003) (21)
- 3‐Hydroxy‐4‐nitro‐cyclohexanone aus Ketonen und 4‐Nitrobuttersäurechlorid. Eine ringerweiternde Fünfringanellierung (1981) (21)
- NITROALIPHATIC COMPOUNDS ‐ IDEAL INTERMEDIATES IN ORGANIC SYNTHESIS? (1979) (21)
- Synthese von β‐Peptiden im Mikroreaktor (2006) (21)
- Bis(phenylthio)carbene (1967) (21)
- Enantioselective synthesis of α‐branched α‐amino acids with bulky substituents (1995) (21)
- Über ein sehr labiles Bicyclo [2.2.0]hexen‐Derivat (1964) (20)
- Syntheses, Receptor Bindings, in vitro and in vivo Stabilities and Biodistributions of DOTA‐Neurotensin(8–13) Derivatives Containing β‐Amino Acid Residues – A Lesson about the Importance of Animal Experiments (2013) (20)
- Synthesis of?[SCH2]-,?[SOCH2]-, and?[SO2CH2]-Peptide Isosters (1995) (20)
- EPC SYNTHESES OF TRIFLUOROCITRONELLOL AND OF HEXAFLUOROPYRENOPHORIN : A COMPARISON OF THEIR PHYSIOLOGICAL PROPERTIES WITH THE NONFLUORINATED ANALOGS (1999) (20)
- Herstellung chiraler elektrophiler Glycin- und (E)-2,3-Dehydroaminosäure-Derivate aus 2-t-Butyl-3-methyl-4-oxo-1-imidazolidincarbonsäure-t-butylester (Boc-BMI) (1991) (20)
- Solid-Phase Synthesis of aβ-Dodecapeptide with Seven Functionalized Side Chains and CD-Spectroscopic Evidence for a Dramatic Structural Switch When Going from Water to Methanol Solution (2000) (20)
- Synthesis of alpha-heterosubstituted nitrosamines. Novel test substances for cancer and mutagenesis research? (1974) (20)
- Stereoselektive Bildung von Oxaspiropentanen und Spiropentylketonen. Zur Stereochemie der nucleophilen Substitution am Cyclopropan (1979) (20)
- “Michael‐artige” Addition an konjugierte Keten‐thioacetale (1973) (20)
- On the Solution Structure of PHB: Preparation and NMR Analysis of Isotopically Labeled Oligo[(R)‐3‐hydroxybutanoic Acids] (OHBs) (2001) (20)
- 4-Hydroxy-2-cyclopenten-1-ones from Ketones and 3-Nitropropionyl Chloride. A Facile Method for the Construction of Five-Membered Rings† (1977) (20)
- Diastereoselective aldol addition using boron trichloride or alkoxydichloroborane (1986) (20)
- Synthesis of Monodisperse Macromolecular Bicyclic and dendritic compounds from (R)‐3‐hydroxybutanoic acid and benzene‐1,3,5‐tricarboxylic acid and analysis by fragmenting MALDI‐TOF mass spectroscopy (1997) (20)
- N‐Perbenzylierung von Oligopeptiden mit der P4‐Phosphazenbase; eine neue Schutzgruppentechnik zur Modifikation und Solubilisierung von Peptiden in unpolaren organischen Lösungsmitteln (1992) (20)
- Zur wechselwirkung einsamer elektronenpaare in Δ2 tetrazenen. photoelektronenspektroskopische untersuchungen (1975) (20)
- Chirale Reagentien aus Weinsäure ‐ 1‐Benzyloxy‐3, 4‐epoxy‐2‐butanol, ein vielseitiges Zwischenprodukt für die Enantiomerensynthese (1979) (19)
- Dipeptide Derivatives with a Phosphonate Instead of Carboxylate Terminus by C‐Alkylation of Protected (Decarboxy‐dipeptidyl)phosphonates (1991) (19)
- Di‐ und trifluorsubstituierte Dilithium‐Verbindungen für die Organische Synthese (1986) (19)
- 1,4-Addition von 2-Lithium-1,3-dithianen an substituierte ω-Nitrostyrole (1969) (19)
- Direkte Michael-artige Addition von Si-Gruppen an β-Aryl-α,β-ungesättigte Carbonylverbindungen mit R3SiCl/Bu2Cu(CN)Li2 (1990) (19)
- Isolierung und Identifizierung von v-Tetrazinderivaten aus dem Zerfall von Nitrosamin-Anionen†‡ (1973) (19)
- Enantiomerenreine Synthesebausteine aus verzweigter Äpfelsäure (1983) (19)
- Nucleophile Thioacylierung mit Lösungen von Dimethyl‐thiocarbamoyllithium (1973) (19)
- 1,4‐Addition of 2‐Lithio‐1,3‐dithianes to Substituted ω‐Nitrosyrenes (1969) (19)
- Conjugate Addition of Lithiated (S)-4-Isopropyl-3-[(methylthio)methyl]-5,5-diphenyloxazolidin-2-one to Cinnamoyl Derivatives: Preparation of Enantiomerically Pure 1,4-Diols (2002) (19)
- Alkylation of TlI Alkoxides. A Useful Modification of the Williamson Etherification (1975) (19)
- Preparation of Free and of Specifically Protected Oligo[β‐Malic Acids] for Enzymatic Degradation Studies (2000) (19)
- Ab-initio-Studien an N- Acyliminium-Ionen (1992) (19)
- Preparation of Oxazolidine‐Containing Peptides: Unusual effects in RhIII‐catalyzed acetalizations of aldehydes with urethane‐protected serine and threonine esters and with dipeptides containing serine or threonine residues at the N‐terminus (1994) (19)
- A Molecular‐Dynamics Simulation Study of the Conformational Preferences of Oligo(3‐hydroxyalkanoic acids) in Chloroform Solution (2002) (19)
- Note: Helix or No Helix of β‐Peptides Containing β3hAla(αF) Residues? (2011) (19)
- C?C-Verknpfungen in a-Stellung zum Stickstoff sekundrer Amine. Lithium-dimethylnitrosamin (1972) (19)
- Γ‐Lakton‐cis‐anellierung an Δ2‐ und Δ3‐ Cholesten (1976) (19)
- In 2‐ und 3‐Stellung verzweigte, enantiomerenreine 4,4,4‐Trifluor‐3‐hydroxy‐buttersäure‐Derivate aus 6‐Trifluormethyl‐1,3‐dioxan‐und ‐dioxin‐4‐onen (1994) (19)
- The World of β- and γ-Peptides Comprised of Homologated Proteinogenic Amino Acids and Other Components (2005) (19)
- Alkylation of Imidazolidinone Dipeptide Derivatives: Preparation of Enantiomerically Pure Di‐ and Tripeptides by ‘Chirality Transfer’ via a Pivalaldehyde N,N‐Acetal Center. Preliminary Communication (1987) (19)
- Kinetic evidence for the existence of free bis(phenylthio)methylene in solution (1969) (19)
- Synthesis and NMR Analysis in Solution of Oligo(3‐hydroxyalkanoic acid) Derivatives with the Side Chains of Alanine, Valine, and Leucine (β‐Depsides): Coming Full Circle from PHB to β‐Peptides to PHB (2002) (18)
- Doppelt metalliertes Methanol, ein nucleophiles Hydroxymethylierungsreagens (1976) (18)
- Zur Umpolung der Carbonylreaktivität; Deprotonierung von Ketenthioacetalen zu 1,1-dithiosubstituierten Allyl- und Pentadienyllithiumverbindungen sowie deren Reaktionen mit Elektrophilen (1977) (18)
- Vierstufige EPC-Synthese von (+)- oder (−)-Frontalin aus Milchsäure. – Eine erste Anwendung des Prinzips der Selbstreproduktion der Chiralität in der Naturstoffsynthese (1983) (18)
- Aminierende, reduktive Kupplung aromatischer Aldehyde mit Tris(dialkylamino)methylvanandium (IV) zu N,N,N′,N′‐Tetraaalkyl‐1,2‐diaryläthylendiaminen (1984) (18)
- Die P4‐Phosphazenbase als Teil eines metallfreien Initiatorsystems für die anionische Polymerisation von Methacrylsäuremethylester (1993) (18)
- SYNTHESE UND EIGENSCHAFTEN VON DENDRIMEREN ERSTER BIS DRITTER GENERATION MIT ZWEI- UND DREIFACH VERZWEIGENDEN CHIRALEN BAUSTEINEN (1995) (18)
- Das Dienolat von (R)‐2‐tert‐Butyl‐6‐methyl‐1,3‐dioxin‐4(2H)‐on – ein chirales Acetessigester‐d4‐Reagens (1989) (18)
- (R)‐ und (S)‐4‐Alkoxy‐2‐tert‐butyl‐2,5‐dihydroimidazol‐1‐carbonsäureester – neue chirale Glycinderivate für die Aminosäuresynthese (1993) (18)
- 4‐Hydroxy‐2‐cyclopenten‐1‐one aus Ketonen und 3‐Nitropropionylchlorid. Eine einfache Methode zum Aufbau von Fünfringen (1977) (18)
- Nucleophilic addition to an achiral dehydroalanine Schiff base Ni(II) complex as a route to amino acids. A case of stereodetermining asymmetric protonation in the presence of TADDOL (2004) (18)
- Second‐Generation Trifluoromethyl‐Substituted Chiral Dendrimers Containing Triply Branched Building Blocks: CF3 as sensitive NMR probe for ‘remote’ diastereotopicity (1998) (18)
- Highly Enantioselective Protonation of the 3,4-Dihydro-2- methylnaphthalen-1(2H)-one Li-Enolate by TADDOLs (2000) (18)
- Synthesis of (±)‐Pestalotin and (±)‐Epipestalotin and of Optically Pure (−)‐Pestalotin by Asymmetric Synthesis (1974) (18)
- Diastereoselective elaboration of the carbon skeleton of β-hydroxyesters from yeast reductions: preparation of (2S)-2-hydroxy-cyclohexane carboxylic acids with three contiguous stereogenic centers (1987) (18)
- Cellular uptake studies with beta-peptides. (2002) (18)
- β‐Peptides: Synthesis by Arndt‐Eistert Homologation with Concomitant Peptide Coupling. Structure Determination by NMR and CD Spectroscopy and by X‐Ray Crystallography. Helical Secondary Structure of a β‐Hexapeptide in Solution and Its Stability Towards Pepsin. (1996) (18)
- Modified Preparation of (2R)-2-tert-Butyl-6-methyl-4H-1,3-dioxin-4-one; a Chiral Acetylacetic Acid Derivative for the Synthesis of Enantiopure Compounds (1992) (18)
- Kinetic Analysis of L‐Carnosine Formation by β‐Aminopeptidases (2010) (18)
- On the structure of poly(3-hydroxybutanoic acid) in solution and in phospholipid bilayers. Circular dichroism and fluorescence spectroscopy with oligo(3-hydroxybutanoic acid) derivatives (2001) (18)
- Contribution to the Problem of Nucleophilic Substitution Reactions at Small-Ring Carbon Atoms Occurring with Retention of Configuration (1976) (18)
- Preparation and reactions of silyl nitronates derived from 2,2,2‐trifluoronitroethane. Diastereoselective synthesis of trifluoromethyl‐substituted aminoethanols and ‐propanols (1995) (18)
- Fluoro(phenylsufinyl)methyllithium. Note on the 13C‐NMR Spectrum of a Flourocarbenoid (1984) (18)
- Reduction of Ketones with LiAlH 4 Complexes of α,α,α',α'-Tetraaryl-1,3-dioxolane-4,5-dimethanols (TADDOLs) A Combination of Enantioselective Reduction and Clathrate Formation with a Discussion of LAH Reagents Bearing C 2 -Symmetrical Ligands (1996) (17)
- Das Triolid von (R)‐3‐Hydroxybuttersäure — direkte Herstellung aus Polyhydroxybutyrat und Bildung eines Kronen‐Estercarbonyl‐Komplexes mit Na‐Ionen (1992) (17)
- Isotopically labelled and unlabelled β-peptides with geminal dimethyl substitution in 2-position of each residue: Synthesis and NMR investigation in solution and in the solid state (2002) (17)
- Preparation of (S)‐2‐Methylbutyl and (S)‐sec‐Butyl Ketones from Optically Active 2‐Methyl‐1‐butanol by the Dithiane Method (1968) (17)
- Nucleophilic Aminoalkylation. Lithiated N,N‐Dimethylthiopivalamide (1976) (17)
- Gespannte polycyclische Systeme aus Drei‐ und Vierring‐Bausteinen (1965) (17)
- β-Depsipeptides—the effect of a missing and a weakened hydrogen bond on the stability of the β-peptidic 314-helix (2002) (17)
- Comparative Metabolism of α‐ and β‐Peptides in the Insect Heliothis virescens and in Plant Cells of Black Mexican Sweet Maize (2004) (17)
- Calorimetric Measurements of the Complexation of Cyclosporin A, Ascomycin, Fujimycin, and Rapamycin with Lithium Chloride and with an Immunophilin (1994) (17)
- Diastereoselective Hydroxyalkylation of the 1‐Position of 2‐Pivaloyl 1,2,3,4‐tetrahydroisoquinoline via Magnesium Derivatives (1984) (17)
- Elektrochemische Oxidation von (S)-Äpfelsäure-Derivaten: ein Weg zu enantiomerenreinen alkylierten Malonaldehydsäure-estern (1987) (17)
- Preparation of α-Haloesters by Homologation of Aldehydes and Ketones through α-Trimethylsilylvinyl Sulfides and Ketene Thioacetals (1976) (17)
- How To Stabilize or Breakβ-Peptidic Helices by Disulfide Bridges: Synthesis and CD Investigation ofβ-Peptides with Cysteine and Homocysteine Side Chains (1999) (17)
- Rigorous Conformational Analysis of Pyrrolidine Enamines with Relevance to Organocatalysis (2017) (17)
- (4S)‐4‐(1‐Methylethyl)‐5,5‐Diphenyl‐2‐Oxazolidinone (2003) (17)
- Differential effects of temperature on E. coli and synthetic polyhydroxybutyrate/polyphosphate channels. (2002) (17)
- On the influence of charged side chains on the folding-unfolding equilibrium of beta-peptides: a molecular dynamics simulation study. (2005) (17)
- 1.3-diketones by 1:1-reactions of Li-enolates with acid chlorides generation of kinetic enolates with mesityl lithium (1977) (17)
- On the antimicrobial and hemolytic activities of amphiphilic beta-peptides. (2001) (16)
- Hoch effiziente, präparative chromatographische Enantiomerentrennung von 2-Phenyl-1,3-dioxin-4-onen an Cellulose-triacetat und Cuprat-Additionen zu β-Hydroxycarbonsäure-Derivaten (1991) (16)
- Kinetische Analyse des Zerfalls von Tris(arylthio)methyllithium-Verbindungen. Beweis für das Vorliegen von freiem Bis(phenylthio)carben in Tetrahydrofuran-Lösung (1978) (16)
- Herstellung von (R)‐ und (S)‐2‐tert‐Butyl‐6‐trifluormethyl‐1,3‐dioxin‐4‐on, Umsetzungen zu 3‐Hydroxy‐3‐trifluormethylalkanoaten und überraschende Reaktivitätsunterschiede zwischen CH3− und CF3‐substituierten Verbindungen (1992) (16)
- Synthesis and determination of the absolute configuration of the macrodiolide (+)-conglobatin (1985) (16)
- Ketenthioacetale durch “Peterson‐Carbonylolefinierung” mit metallierten Formyltrimethylsilyl‐thioacetalen (1972) (16)
- Röntgenstrukturanalyse, Diffusionsmessungen und NOESY‐NMR‐Untersuchungen chiraler, vierkerniger CuI‐Katalysatoren aus einzähnigen Thiol‐Derivaten von TADDOL (2000) (16)
- Chromatographic resolution of synthetically useful chiral glycine derivatives by high-performance liquid chromatography (1998) (16)
- Das Magnesium‐Derivat des Thioacrolein‐Dianions. Ein einfacher Zugang zu Vinyl‐ und Divinyloxiranen (1976) (16)
- Preparation ofβ2-Homotryptophan Derivatives forβ-Peptide Synthesis (2002) (16)
- Synthesis and Properties of Monodisperse Chiral Dendrimers (up to Fourth Generation) with doubly branched building blocks: An intriguing solvent effect (1998) (16)
- Erhöhung der Nachweisempfindlichkeit von Cyclosporin A durch Derivatisierung mit 2-Naphthylselenylchlorid (1980) (16)
- Total Synthesis of Myxovirescins, 1 Strategy and Construction of the “Southeastern” Part [O(1)–C(14)] (1994) (16)
- Lithium‐ortho‐lithiobenzylalkoholate (1978) (16)
- Catalytic Enantioselective Reactions: From Research to Application. Diarylmethanol-Containing Auxiliaries as a Study Case (1997) (16)
- Präparative mikrobiologische Reduktion von β‐Oxoestern mit Thermoanaerobium brockii (1984) (16)
- α, β‐Ungesättigte Carbonylverbindungen mit sterisch geschützter Carbonylgruppe — Erzwungene a3‐ versus a1‐Reaktivität (1979) (15)
- Magnetic Nonequivalence of the C Atoms of Prochiral Diphenylmethyl Groups in 13C-NMR Spectroscopy (1976) (15)
- Synthese und NMR‐Spektren einiger 13C‐markierter Thio‐ und Seleno‐äther, ‐acetale und ‐orthoester (1984) (15)
- β‐Aminopeptidase‐Catalyzed Biotransformations of β2‐Dipeptides: Kinetic Resolution and Enzymatic Coupling (2010) (15)
- Reaktivität von (R)‐2‐tert‐Butyldihydrooxazol‐Derivaten aus Serin und Threonin – neuartige und vielseitig einsetzbare chirale Synthesebausteine (1988) (15)
- Totalsynthese des Makrodiolids (+)‐Conglobatin (1986) (15)
- Michael-Addition von metallierten Carbonsäureamiden an Nitrostyrole. – Ein vereinfachter Zugang zu Tryptaminen† (1971) (15)
- S-Methyl Thiocarboxylates from Aldehydes and Ketones through Ketene Thioacetals. Reductive Nucleophile Thiocarbonylation (1975) (15)
- Nucleophile Ringöffnung von 1-Nitro-1-cyclopropancarbonsäure-arylestern mit sterisch geschützter, aber elektronisch wirksamer Carbonyl- und Nitrogruppe. Ein neues Prinzip der Aminosäuresynthese (1990) (15)
- Safe One-Pot Carbon-Carbon Bond Formation with Lithiated Nitrosamines Including Denitrosation by Sequential Reduction with Lithium Aluminium Hydride and Raney-Nickel (1979) (15)
- Synthesis and High-Resolution NMR Structure of a β3-Octapeptide with and without a Tether Introduced by Olefin Metathesis (2009) (15)
- Preparation and Characterization of New C2‐ and C1‐Symmetric Nitrogen, Oxygen, Phosphorous, and Sulfur Derivatives and Analogs of TADDOL. Part I (2012) (15)
- Herstellung von (R,R)‐ oder (S,S)‐2‐Amino‐3‐hydroxycarbonsäuren (allo‐Threonin‐Analoge) durch Acylierung/Reduktion von 2‐t‐Butyl‐3‐methyl‐4‐oxoimidazolidin‐1‐carbonsäure‐t‐butylester (Boc‐BMI) (1993) (15)
- Doppelte Deprotonierung von 3‐Nitropropen und 4‐Nitro‐1‐buten: Derivate ihrer Dianionen als neuartige Reagentien zur CC‐Verknüpfung (1978) (15)
- Ergiebige Synthese von (±)‐Pestalotin und (±)‐Epipestalotin. Optisch reines (−)‐Pestalotin durch asymmetrische Synthese (1974) (15)
- SOLID-PHASE SYNTHESIS OF BETA -OLIGOPEPTIDES (1997) (15)
- The Substrate-Activity-Screening methodology applied to receptor tyrosine kinases: a proof-of-concept study. (2012) (14)
- Manganese distribution in polystyrene beads prepared by copolymerization with cross-linking dendritic salens using laser ablation inductively coupled plasma mass spectrometry (2003) (14)
- Interaction of alpha-and beta-oligoarginine-acids and amides with anionic lipid vesicles: a mechanistic and thermodynamic study. (2006) (14)
- Structures and function of the amino acid polymerase cyanophycin synthetase (2021) (14)
- Synthesis of Oligo(3-hydroxybutanoate)(OHB)-Containing Peptides with High Binding Affinity to a Class-I-MHC Protein (1998) (14)
- Michael Addition of Metalated Carboxamides to Nitrostyrenes—A Simplified Route to Tryptamines (1971) (14)
- Neues über den Mechanismus der retentiven Substitution am Dreiring von Propellanen. Vorläufige Mitteilung (1977) (14)
- Alkylation of 2-Lithio-1,3-dithianes with Arenesulfonates of Primary Alcohols (1976) (14)
- An Unusual Rearrangement of a Lithiated N-Acyl-tetrahydroisoquinoline to an Amino-indan Skeleton and Structural Comparison of 3-Amino-2-methylindan- and -tetrahydronaphthalene-2-carboxylic Acids as Possible Building Blocks for Peptide-Turn Mimics (1993) (14)
- Preparation of (S,S)-Fmoc-β2hIle-OH, (S)-Fmoc-β2hMet-OH, and (S)-Fmoc-β2hTyr(tBu)-OH for Solid-Phase Syntheses of β2- and β2/β3-Peptides† (2003) (14)
- Diastereoselektive Hydroxyalkylierungen in 1‐Stellung von 2‐Pivaloyl‐1,2,3,4‐tetrahydroisochinolin über ein Magnesiumderivat (1984) (14)
- Herstellung enantiomerenreiner Sulfoxide aus Milchsäure und 3-Hydroxybuttersäure: Isopropenyl-tolyl-sulfoxid und 2-(Phenylsulfinyl) acrylester (1992) (14)
- CC Coupling with NO2/Alkyl Substitution at the Vinylic Carbon by Reaction of 2‐Aryl‐l‐nitro‐1‐alkenes with Dialkylzinc Compounds—A Novel Reaction (1992) (14)
- Regioselektive Erzeugung und diastereoselektive Umsetzungen in β-Stellung zur Nitrogruppe sekundärer Nitroalkane über α,β-doppelt deprotonierte Derivate (Super-enamine) (1986) (14)
- Synthesis of New Chiral Derivatives of N,N′-Dimethylpropyleneurea (DMPU) and Examination of Their Influence on the Regio- and Enantioselectivity of Addition of 2-(1,3-Dithianyl)lithium to Cyclohex-2-en-1-one (2002) (14)
- Reaction of Metalated Nitrosamines with Nitriles. A New Method for Preparation of v‐Triazoles (1972) (14)
- pH‐Sensitive Vesicles Containing a Lipidic β‐Amino Acid with Two Hydrophobic Chains (2008) (14)
- Verankerung von TADDOL auf porösem Kieselgel mit hoher Beladung und erste Anwendungen in der enantioselektiven Katalyse (2000) (14)
- Applications of the Chiral Auxiliaries DIOZ and TRIOZ for Conjugate Additions and Comparison with Other Auxiliaries (2010) (14)
- Helical content of a β(3)-octapeptide in methanol: molecular dynamics simulations explain a seeming discrepancy between conclusions derived from CD and NMR data. (2012) (14)
- Biological and Pharmacokinetic Studies with β-Peptides (1998) (13)
- From the bioplymer PHB to biological investigations of unnatural B- and y-peptides (2001) (13)
- ALKYLATION OF AMINO ACIDS WITHOUT LOSS OF THE OPTICAL ACTIVITY: PREPARATION OF α-SUBSTITUTED PROLINE DERIVATIVES. A CASE OF SELF-REPRODUCTION O CHIRALITY (1983) (13)
- Alkylierung von TlI‐Alkoholaten. Eine nützliche Variante der Williamson‐Synthese (1975) (13)
- Crystallization of hydroxybutyrate oligomers: 1. morphology and folding (2004) (13)
- Die „Woodward-Hoffmann-Regeln“ (1969) (13)
- Enantioselective Synthesis ob b-Amino Acids. 5. Stereoselective Reaction of Chiral Pyrimidinone Enolates with Aldehydes (1994) (13)
- Solvolysis of 7,7-Bis(alkylthio)norcaranes. A New Method of Homologation (1972) (13)
- ESR‐Spektroskopischer Beweis für die C–C‐Dissoziation von Hexakis(organylthio)äthanen und die S–C‐Dissoziation von Tetrakis(organylthio)methanen. Tris(organylthio)methyl‐Radikale (1972) (13)
- Interaction of β3/β2‐Peptides, Consisting of Val‐Ala‐Leu Segments, with POPC Giant Unilamellar Vesicles (GUVs) and White Blood Cancer Cells (U937) – A New Type of Cell‐Penetrating Peptides, and a Surprising Chain‐Length Dependence of Their Vesicle‐ and Cell‐Lysing Activity (2015) (13)
- Yeast Reduction of Ethyl Acetoacetate: (S)‐( + )‐Ethyl 3‐Hydroxybutanoate (2003) (13)
- Cyclosporin: A Li- and Ca-Specific Ionophore!† (1994) (13)
- Doppelt deprotoniertes Allylacetophenon. Erstes Beispiel für einen „direkten”︁ E5‐Synthesebaustein (1977) (13)
- Investigation of the Interactions of β‐Peptides with DNA Duplexes by Circular Dichroism Spectroscopy (2006) (13)
- Zirconium Alkoxide Catalyzed Oppenauer Oxidation Using Chloral as the Hydride Acceptor (1996) (13)
- Helices and other secondary structures of beta- and gamma-peptides. (2006) (13)
- Preparation and Characterization of New C2- and C1-Symmetric Nitrogen, Oxygen, Phosphorous, and Sulfur Derivatives and Analogs of TADDOL. Part II: TADDAMIN-Derived and Phosphorous-Containing Compounds (2012) (13)
- Comparison of Permeation through Phosphatidylcholine Bilayers of N‐Dipicolinyl‐α‐ and ‐β‐Oligopeptides (2006) (13)
- Herstellung von substituierten Methylencyclopropanen aus geminalen Dibromcyclopropanen und Carbonylverbindungen (1982) (13)
- Enantioselective Preparation of β2‐Amino Acids with Aspartate, Glutamate, Asparagine, and Glutamine Side Chains (2004) (13)
- Eine neuartige Synthese von Bicyclo[2.2.0]hexen-(2)-Derivaten† (1965) (12)
- Metalation at Primary, Secondary, and Tertiary Carbon Atoms in Open‐Chain and Cyclic Nitrosamines (1972) (12)
- Herstellung von Allenen aus geminalen Dibromolefinen und Aldehyden (1984) (12)
- Preparation of N-Fmoc-Protected β2- and β3-Amino Acids and Their Use as Building Blocks for the Solid-Phase Synthesis of β-Peptides. (1998) (12)
- Highly Diastereoselective Alkylation of 1-Benzoyl-2-alkyl-3-(1'-methylbenzyl)imidazolidin-4-ones (1995) (12)
- Solvolyseversuche mit 7,7‐Bis(alkylthio)norcaranen. Eine neue Methods der Homologisierung (1972) (12)
- Reaction of 6‐(CF3)‐ and 6‐(CH3)‐2‐(tert‐Butyl)‐1,3‐dioxan‐4‐one Li Enolate with Two Equivalents of an Aldehyde – Unusual Reorganizations of Aldolates (1993) (12)
- Synthesis of Amino‐Acid‐, Carbohydrate‐, Coumarin‐, and Biotin‐Labelled Oligo[(R)‐3‐Hydroxybutanoic Acids] (OHB) (1998) (12)
- Michael Addition of Lithium Acetylides to Propenyl Trityl Ketone (1981) (12)
- Preparation and Structures of 2‐Substituted 5‐Benzyl‐3‐methylimidazolidin‐4‐one‐Derived Iminium Salts, Reactive Intermediates in Organocatalytic Transformations Involving α,β‐Unsaturated Aldehydes (2014) (12)
- Synthese und enzymatischer Abbau von Dendrimeren aus (R)‐3‐Hydroxybuttersäure und Trimesinsäure (1996) (12)
- Structure-based design of nonnatural ligands for the HLA-B27 protein. (1999) (12)
- TOTAL SYNTHESIS OF (+)-11,11′-DI-O-METHYLELAIOPHYLIDENE, AN AGLYCON OF ELAIOPHYLIN (1985) (12)
- Reaktion metallierter Nitrosamine mit Nitrilen. Eine neue Methode zur Darstellung von v-Triazolen† (1972) (11)
- Total Synthesis of Myxovirescins, 3 Coupling of the Two Key Fragments and Last Steps to Myxovirescins A1 and M2 (1994) (11)
- SYNTHESIS OF OPEN‐CHAIN 2,3‐DISUBSTITUTED 4‐NITROKETONES BY DIASTEREOSELECTIVE MICHAEL‐ADDITION OF (E)‐ENAMINES TO (E)‐NITROOLEFINS. A TOPOLOGICAL RULE FOR C,C‐BOND FORMING PROCESSES BETWEEN PROCHIRAL CENTERS (1981) (11)
- Cell Penetration, Herbicidal Activity, and in-vivo-Toxicity of Oligo-Arginine Derivatives and of Novel Guanidinium-Rich Compounds Derived from the Biopolymer Cyanophycin. (2018) (11)
- Über die Umlagerung von Bromcyclopropylcarbinolen zu Homoallylderivaten und Cyclobutanonen (1979) (11)
- A nitrosamine route to (±)-macrostomine (1980) (11)
- Homolyse der ÄthanC‐Bindung. – Nachweis von Tris(phenylthio)methyl durch 13C‐Markierung (1971) (11)
- (2S,3R)-2-Benzyloxy-3,4-epoxybutan-1-ol, A Versatile Synthetic Building Block Formally Derived From (u)-Tartaric acid (1988) (11)
- The Reactions of Silyl Nitronates with Organolithium Reagents (1982) (11)
- Crystal and molecular structure of 1-lithio-3,6-diethoxy-2,5-dimethyl-1,2-dihydropyrazine, the lithiated bis-lactim ether of the diketopiperazine from alanine (1984) (11)
- Alpha-methyl-proline restores normal levels of bone collagen Type I synthesis in ovariectomized rats. (1995) (11)
- Determination of the Amide-Plane Orientations in a Cyclo-β-Peptide by Magic-Angle-Spinning Deuterium-Correlation Spectroscopy, and Comparison with the Powder X-Ray Structure (2001) (10)
- Solid‐Phase Synthesis of a β3‐Icosapeptide Containing the Homologs of the Twenty Common Proteinaceous Amino Acids. Preliminary Communication (2003) (10)
- Zeolite-Catalyzed Isomerization of Aromatic Amines to Methyl-Aza-Aromatics (1995) (10)
- Preparation of (2E,4E,6S,7S,10E,12E,14S,15S,1′S)‐7,15‐Bis(1′‐hydroxymethylethyl)‐6,14‐dimethyl‐8,16‐dioxa‐2,4,10,12‐cyclohexadecatetraene‐1,9‐dione. – A Building Block for the Synthesis of Elaiophylin (1985) (10)
- β‐Peptide Conjugates: Syntheses and CD and NMR Investigations of β/α‐Chimeric Peptides, of a DPA‐β‐Decapeptide, and of a PEGylated β‐Heptapeptide (2009) (10)
- Doubly Deprotonated Allylacetophenone. First Example of a “Direct” E5 Synthon (1977) (10)
- d1‐ und d3‐selektive Umsetzungen von schwefelsubstituierten Allyl‐Titan‐Derivaten mit Aldehyden und Ketonen (1985) (10)
- Ein Bishydroperoxyd mit ungewöhnlicher Bildungstendenz (1963) (10)
- Synthesis of (R)‐ and (S)‐Aldehydes and ‐Ketones from Chiral sec‐Alkyl Halides (1968) (10)
- Direkte Hydroxymethylierung zu verzweigten Zuckern mit einem Hydroxymethyl-d1-Reagenz (1980) (10)
- Structure-Based Evolution of Subtype-Selective Neurotensin Receptor Ligands (2014) (10)
- Total Synthesis of Myxovirescins, 2 Assembly of the “Northwestern” Part [C(15)–C(28)] (1994) (10)
- Inversion of the Configuration of a Single Stereocenter in a β‐Heptapeptide Leads to Drastic Changes in its Interaction with Phospholipid Bilayers (2009) (10)
- Preparation and C‐Alkylation of Peptides with Aminomalonate Building Blocks (1994) (10)
- How Small Amounts of Impurities Are Sufficient to Catalyze the Interconversion of Carbonyl Compounds and Iminium Ions, or Is There a Metathesis through 1,3‐Oxazetidinium Ions? Experiments, Speculations, and Calculations (2014) (10)
- Diastereoselective Michael Additions of Chiral Imidazolidines to Trityl Enones (1992) (10)
- Isolation and Identification of v‐Tetrazine Derivatives on Decomposition of Nitrosamine Anions (1973) (10)
- Preparation of the β3‐Homoselenocysteine Derivatives Fmoc‐β3hSec(PMB)‐OH and Boc‐β3hSec(PMB)‐OH for Solution and Solid‐Phase‐Peptide Synthesis and Selenoligation (2007) (10)
- Die Reaktion von Pentamethylpyrrol mit Wasserstoffperoxyd (1963) (10)
- Reaction of Fe3(CO)12 with octreotide--chemical, electrochemical and biological investigations. (2010) (10)
- Synthese von (R)‐ und (S)‐konfigurierten Aldehyden und Ketonen aus chiralen sek.‐Alkylhalogeniden (1968) (9)
- Antibiotic and hemolytic activity of a beta2/beta3 peptide capable of folding into a 12/10-helical secondary structure. (2003) (9)
- Titanium(IV) chloride complexes with chiral tetraaryl-1,3-dioxolane-4,5-dimethanol ligands as a new type of catalysts of ethylene polymerization (2005) (9)
- Direct Michael Additions of Silyl Groups to α,β-Unsaturated β-Arylketones and an α-Benzylidenelactone with Mixtures Obtained from Copper(I) Cyanide, Butyllithium and Chlorosilanes (1988) (9)
- Die Reaktion von 2.5-Dimethyl-furan mit Wasserstoffperoxyd (1963) (9)
- Preparation, Structure, and Reactivity of Thioxo and Imino Derivatives of the Triolide (and Pentolide) from (R)‐3‐Hydroxybutanoic Acid (1996) (9)
- Herstellung von steroisomeren 3-Sulfinylbuttersäuren aus (R)- und (S)-4-Methyl-2-oxetanon (1992) (9)
- PREPARATION AND CATIONIC REARRANGEMENTS OF ORTHO- AND PARA-METHOXY-TADDOLS (1994) (9)
- Synthesis of β3‐Homophenylalanine‐Derived Amino Acids and Peptides by Suzuki Coupling in Solution and on Solid Support (2006) (9)
- Can one derive the conformational preference of a beta-peptide from its CD spectrum? (2002) (9)
- Separation of (R)- and (S)-tert-butyl 2-tert-butyl-4-methoxy-2,5-dihydro-1,3-imidazole-1-carboxylate (building block for amino acid synthesis) by preparative high performance liquid chromatography on a polysaccharide stationary phase (1998) (9)
- Synthese von 1, n‐Dicarbonylverbindungen mit Carbanionen der 1,3‐Dithiane (1965) (9)
- Ring Opening with Kinetic Resolution of Azlactones by Ti‐TADDOLates. (1999) (9)
- Herstellung von (S)‐(2‐Methylbutyl)‐ und (S)‐(sek. Butyl)‐ketonen aus optisch aktivem 2‐Methylbutanol nach der Dithian‐Methode (1968) (9)
- The Enantiomer of Octreotate Binds to All Five Somatostatin Receptors with Almost Equal Micromolar Affinity – A Comparison with SANDOSTATIN® (2008) (9)
- Syntheses of Cyanophycin Segments for Investigations of Cell-Penetration (2018) (9)
- Intramolekulare Inversionssubstitution am Dreiring von 77exo‐Brombicyclo[4.1.0]heptan‐3endo‐ol unter Bildung eines Tetrahydrofuranringes (1979) (9)
- Homolysis of the Ethane CC Bond: Detection of Tris(phenylthio)methyl by 13C‐Labeling (1971) (9)
- C‐Alkylation of Peptides Containing Aminomalonate and (Amino)(cyano)acetate Residues (1998) (9)
- Autoproteolytic and catalytic mechanisms for the β-aminopeptidase BapA--a member of the Ntn hydrolase family. (2012) (9)
- Dianion derivatives of methyl- and isopropyl-2.4-pentadienedithioate as d5-reagents (1979) (9)
- Biological-Chemical Preparation of 3-Hydroxy Carboxylic Acids and Their Use in EPC-Syntheses (1988) (8)
- Permeation of a beta-heptapeptide derivative across phospholipid bilayers. (2007) (8)
- Röntgenstrukturanalyse des dimeren 2,2-Diphenylcyclopropanthiocarbonsäure-S-tert-butylester-Lithium-Enolat · TMEDA-Komplexes: ein „ganz normales” Ester-Enolat und ein „ganz normales” Methylencyclopropan-Derivat (1990) (8)
- Thiocyclosporins: Preparation, Solution and Crystal Structure, and Immunosuppressive Activity. (1992) (8)
- Synthesis and Spectroscopic Characterization of β-Di-, β-Tri-, and β-Hexapeptides Built with (S)-2-Methylene-3-aminoalkanoic Acids Derived from Alanine, Valine, and Leucine (2004) (8)
- Annulation of 2-formyl-2-cyclohexenones by reaction with enamines (1986) (8)
- 1‐Methyl‐2,3,4‐trimethylen‐cyclobutenid‐ion (1968) (8)
- Direkte Michael‐Additionen von Silylgruppen an α,β‐ungesättigte β‐Arylketone und ein α‐Benzylidenlacton mit Mischungen aus Kupfer(I)‐cyanid, Butyllithium und Chlorsilanen (1988) (8)
- A convenient synthesis of 13C‐bromoform and 13C‐tetrabromomethane from 13C‐iodomethane labelling through 13:CBr2 (1980) (8)
- The proteolytic stability of 'designed' beta-peptides containing alpha-peptide-bond mimics and of mixed alpha,beta-peptides: application to the construction of MHC-binding peptides. (2005) (8)
- Selective Acylations of Multifunctional Nucleophiles, Including Carbohydrates and Nucleosides, with Intermediates Generated by Wolff Rearrangement of Amino Acid Derived Diazo Ketones: Preparation of β‐Amino Acid Derivatives (2006) (8)
- Solid-state CP/MAS13C-NMR spectra of oligolides derived from 3-hydroxybutanoic acid (1993) (8)
- Evidence from Circular Dichroism and from Melting Behavior for Helix‐Inducing Complexation of a Designed β3‐Pentadecapeptide with DNA Duplexes. Preliminary Communication (2003) (8)
- Reversal of the Stereochemical Course of 1‐Methyl‐1H‐indole Addition to Cinnamaldehyde with cis‐5‐Benzyl‐(2‐fluoromethyl)‐2,3‐dimethylimidazolidin‐4‐ones as Catalysts – a Puzzling ‘Fluorine Effect’ (2013) (8)
- Michael‐Additionen metallierter Thioacetale an cyclische Enone (1975) (8)
- Michael‐Addition von Lithiumacetyliden an Propenyltritylketon (1981) (8)
- Probing the Helical Secondary Structure of Short-Chain β-Peptides. (1997) (8)
- EPC‐synthesis and fungistatic activity of a gloeosporone analog with an ω‐hydroxybutyl instead of the pentyl side chain on the macrocyclic ring (1990) (8)
- CC‐Kupplung am vinylischen Kohlenstoffatom unter NO2‐/Alkyl‐Substitution bei der Umsetzung von 2‐Aryl‐1‐nitro‐1‐alkenen mit Dialkylzinkverbindungen — eine neue Reaktion (1992) (7)
- Dendritic Styryl TADDOLs as Novel Polymer Cross‐Linkers: First Application in an Enantioselective Et2Zn Addition Mediated by a Polymer‐Incorporated Titanate (1998) (7)
- Sequencing of β-Peptides by Mass Spectrometry (1999) (7)
- Structure and Conformation of β‐Oligopeptide Derivatives with Simple Proteinogenic Side Chains: Circular Dichroism and Molecular Dynamics Investigations. (2000) (7)
- Notiz über mikrobiologische Umsetzungen mit Halobacterium halobium: Reduktion von 3‐Oxobutansäure‐ethylester und Hydrolyse von 3‐Hydroxybutansäure‐ethylester. Cooperative Effekte von Reduktase und Hydrolase (1989) (7)
- Synthese des Lithiumenolates von (S)-(+)-sek.-Butyl-methyl-keton und Acylierung zu chiralen 1,3-Diketonen (1972) (7)
- 2,4,6‐Tri‐tert‐butylphenoxyl (TBPO) as Sterically Active Carbonyl‐Protecting Group—A New Nucleophilic Dimethylaminomethylating Reagent (1978) (7)
- Metallierung am primären, sekundären und tertiären C‐Atom offenkettiger und cyclischer Nitrosamine (1972) (7)
- Ringöffnung von cyclopropanon-bis-methylthio-acetalen zu ketonen und dimethyldisulfid in trifluoressigsäure Br/SCH3-austausch in dibromcarbenaddukten (1973) (7)
- NEURAL NETWORKS FOR MODELLING AND CONTROLLING FUTURE LOW TEMPERATURE COMBUSTION TECHNOLOGIES (2007) (7)
- Cyclic Oligomers of (R)‐3‐Hydroxybutanoic Acid: Preparation and Structural Aspects. (1993) (7)
- Chiral dendrimers on a Pt(100) surface investigated by scanning tunnelling microscopy (1999) (7)
- Influence of the Membrane Dye R18 and of DMSO on Cell Penetration of Guanidinium‐Rich Peptides (2018) (7)
- Beta(2)/beta(3)-di- and alpha/beta(3)-tetrapeptide derivatives as potent agonists at somatostatin sst(4) receptors. (2003) (7)
- On the Structure of PHB (=Poly[(R)‐3‐hydroxybutanoic Acid]) in Phospholipid Bilayers: Preparation of Trifluoromethyl‐Labeled Oligo[(R)‐3‐hydroxybutanoic Acid] Derivatives (2004) (7)
- Herstellung von ?[SCH2]-, ?[SOCH2]- und ?[SO2CH2]-Peptid-Isosteren (1995) (7)
- TITANIUM AND ZIRCONIUM DERIVATIVES IN ORGANIC SYNTHESIS. A REVIEW WITH PROCEDURES (1983) (7)
- Kristall‐ und Molekülstruktur von Hexakis(phenylthio)äthan (1974) (7)
- An Efficient Method of Preparing (R)- and (S)-4,4,4-Trifluoro-3-hydroxybutanoic Acid: Resolution with (R)- or (S)-1-Phenylethylamine. (1990) (6)
- Exploring the antibacterial and hemolytic activity of shorter- and longer-chain beta-, alpha,beta-, and gamma-peptides, and of beta-peptides from beta2-3-aza- and beta3-2-methylidene-amino acids bearing proteinogenic side chains--a survey. (2005) (6)
- STM Investigation on Single, Physisorbed Dendrimers (2002) (6)
- Cyclobutanones from 1‐Bromo‐1‐lithiocyclopropanes and Ketones (1974) (6)
- Synthetic substrates and inhibitors of beta-poly(L-malate)-hydrolase (polymalatase). (2000) (6)
- Preparation of β‐Amino from α‐Amino Acids Using the Arndt‐ Eistert Reaction: Scope, Limitations and Stereoselectivity. Application to Carbohydrate Peptidation. Stereoselective α‐ Alkylations of Some β‐Amino Acids. (1995) (6)
- α-ALKYLATION OF α-HETEROSUBSTITUTED CARBOXYLIC ACIDS WITHOUT RACEMIZATION. EPC-SYNTHESES OF TERTIARY ALCOHOLS AND THIOLS (1984) (6)
- TADDOLs with Unprecedented Helical Twisting Power in Liquid Crystals. (1998) (6)
- Polymer backbone conformation--a challenging task for database information retrieval. (2009) (6)
- The fourth helical secondary structure of beta-peptides: the (P)-28-helix of a beta-hexapeptide consisting of (2R,3S)-3-amino-2-hydroxy acid residues. (2003) (6)
- Synthesis of (S)‐2‐Methylproline: A General Method for the Preparation of α‐Branched Amino Acids (2003) (5)
- Mixed β2/β3‐Hexapeptides and β2/β3‐Nonapeptides Folding to (P)‐Helices with Alternating Twelve‐ and Ten‐Membered Hydrogen‐Bonded Rings. (2003) (5)
- Lithiiertes N‐Pivaloyl‐tetrahydroisochinolin – ein Supernucleophil (2006) (5)
- ENANTIOMERICALLY PURE SYNTHETIC BUILDING BLOCKS WITH FOUR C-ATOMS AND TWO OR THREE FUNCTIONAL GROUPS FROM β-HYDROXYBUTANOIC, MALIC, AND TARTARIC ACIDS (1981) (5)
- Addition of Oxoalkane Polyanions to Nitroolefins. A New Synthesis of Cyclohexanones (1974) (5)
- Nucleophilic α‐sec‐Aminoalkylation: 2‐(Diphenylhydroxymethyl)pyrrolidine (2003) (5)
- On the biodegradation of beta-peptides. (2002) (5)
- Crystal Structures of BapA Complexes with β‐Lactam‐Derived Inhibitors Illustrate Substrate Specificity and Enantioselectivity of β‐Aminopeptidases (2012) (5)
- Visible‐Light Microscopic Discovery of Up to 150 μm Long Helical Amyloid Fibrils Built of the Dodecapeptide H‐(Val‐Ala‐Leu)4‐OH and of Decapeptides Derived from Insulin (2016) (5)
- Preparation and Structure of β‐Peptides Consisting of Geminally Disubstituted β2,2‐ and β3,3‐Amino Acids: A Turn Motif for β‐Peptides. (1999) (5)
- U,l-4a,5,6,7,8,8a-hexahydro-4-phenyl-8a-(trimethylsiloxy)-4H-1,2-benzoxazine 2-oxide (1988) (5)
- Probing the proteolytic stability of beta-peptides containing alpha-fluoro- and alpha-hydroxy-beta-amino acids. (2004) (5)
- N-linked glycosylated beta-peptides are resistant to degradation by glycoamidase A. (2005) (5)
- SYNTHESIS OF OPTICALLY ACTIVE 2‐METHYL‐ AND 2‐ETHYL‐1,6‐DIOXASPIRO(4.4)NONANE AND ‐(4.5)DECANE PHEROMONES FROM A COMMON CHIRAL PRECURSOR (1981) (5)
- Enantioselective Preparation of β2-Amino Acid Derivatives for β-Peptide Synthesis (2009) (5)
- Ti‐TADDOLate‐Catalyzed, Highly Enantioselective Addition of Alkyl‐ and Aryl‐Titanium Derivatives to Aldehydes. (1994) (5)
- Enantioselective Preparation of γ-Amino Acids and γ-Lactams from Nitro Olefins and Carboxylic Acids, with the Valine-Derived 4-Isopropyl-5,5-diphenyl-1,3-oxazolidin-2-one as an Auxiliary. (2000) (5)
- β-Aminopeptidases: enzymatic degradation and synthesis of β-amino acid containing peptides and kinetic resolution of β-amino acid amides (2009) (5)
- Spindichte‐Verteilung in Tris(organylthio)methyl‐Radikalen (1975) (5)
- From the Biopolymer PHB to Biological Investigations of Unnatural β- and γ-Peptides (2001) (5)
- Asymmetric Michael-Additions. Stereoselective Alkylation of Chiral, Non-racemic Enolates by Nitroolefins. Preparation of Enantiomerically Pure γ-Aminobutyric and Succinic Acid Derivatives. (1985) (5)
- Preparation of TADOOH, a Hydroperoxide from TADDOL, and Use in Highly Enantioface‐ and Enantiomer‐Differentiating Oxidations. (2001) (5)
- Control of future low Temperature Combustion Technologies with nonlinear Model based Predictive Control based on Neural Networks (2008) (5)
- Preparation of N-Fmoc-Protected (S)-5-Amino-4,4-difluoro-7-methyloctanoic Acid, a Possible Dipeptide Isostere (2009) (5)
- Solid-State Tunable Lasers in the Visible, Based on Luminescent Photoresistant Heterocyclic Colorants (1990) (5)
- γ-Peptides Forming More Stable Secondary Structures than α-Peptides: Synthesis and Helical NMR-Solution Structure of the γ-Hexapeptide Analogue of H-(Val-Ala-Leu)2-OH. (1998) (5)
- Enantioselective Cleavage of meso-Nitrodiol Diacetates by an Esterase Concentrate from Fresh Pig Liver: Preparation of Useful Nitroaliphatic Building Blocks for EPC Syntheses. (1987) (5)
- Diastereoselective α‐Alkylation of β‐Hydroxycarboxylic Esters through Alkoxide Enolates: Diethyl (2S, 3R)‐( + )‐3‐Allyl‐2‐Hydroxysuccinate from Diethyl (S)‐( − )‐Malate (2003) (5)
- UMPOLUNG (DIPOLE INVERSION) OF CARBONYL REACTIVITY (1974) (4)
- Synthesis of a β-Hexapeptide from (R)-2-Aminomethyl-alkanoic Acids and Structural Investigations. (1997) (4)
- Transesterifications with 1,8-Diazabicyclo(5.4.0)undec-7-ene/Lithium Bromide (DBU/LiBr). Also Applicable to Cleavage of Peptides from Resins in Merrifield Syntheses. (1991) (4)
- Resolution and Use in α-Amino Acid Synthesis of Imidazolidinone Glycine Derivatives. (1989) (4)
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- How to Stabilize or Break β-Peptidic Helices by Disulfide Bridges: Synthesis and CD Investigation of β-Peptides with Cysteine and Homocysteine Side Chains. (1999) (1)
- 1‐Benzoyl‐2‐t‐butyl‐3,5‐dimethyl‐4‐imidazolidinone (2001) (1)
- 2‐NITRO‐2‐PROPEN‐1‐YL 2,2‐DIMETHYLPROPANOATE (NPP), A MULTIPLE COUPLING REAGENT (1984) (1)
- Lithiated 4‐Isopropyl‐3‐(methylthiomethyl)‐5,5‐diphenyloxazolidin‐2‐one: A Chiral Formyl Anion Equivalent for Enantioselective Preparations of 1,2‐Diols, 2‐Amino Alcohols, 2‐Hydroxy Esters, and 4‐Hydroxy‐2‐alkenoates. (2001) (1)
- Di‐ and Trifluoro Substituted Dilithio Compounds for Organic Synthesis. (1986) (1)
- Reaction of 6-(CF3)- and 6-(CH3)-2-(tert-Butyl)-1,3-dioxan-4-one Li Enolate with Two Equivalents of an Aldehyde - Unusual Reorganizations of Aldolates. (1994) (1)
- 2,2‐Dimethyl‐α,α,α′,α′‐tetraphenyl‐1,3‐dioxolane‐4,5‐dimethanolatotitanium Diisopropoxide (2001) (1)
- Preparation of Achiral and of Enantiopure Geminally Disubstituted β-Amino Acids for β-Peptide Synthesis (2000) (1)
- Preparation of Chiral Electrophilic Glycine and (E)-2,3-Dehydroamino Acid Derivatives from tert.-Butyl 2-tert.-Butyl-3-methyl-4-oxo-1- imidazolidinecarboxylate (Boc-BMI). (1991) (1)
- Substrate profiling of IGF-1R and InsR: identification of a potent pentamer substrate. (2011) (1)
- SYNTHESIS OF SOME FUNGAL METABOLITES WITH 4-METHOXY-5,6-DIHYDRO-2-PYRONE STRUCTURE (1976) (1)
- Beta-depsipeptides--the effect of a missing and a weakened hydrogen bond on the stability of the beta-peptidic 3(14)-helix. (2002) (1)
- Joy and Flustration with Organofluorine Compounds ‐ A Fluorous Autobiography (2015) (1)
- Chiral Media for Asymmetric Solvent Inductions. (S,S)‐( + )‐1,4‐Bis(dimethylamino)‐2,3‐dimethoxybutane from (R,R)‐( + )‐Diethyl Tartrate (2003) (1)
- O,O‐Dilithio‐1‐nitropropene (2001) (1)
- Methyl 3‐Nitropropanoate (2001) (1)
- FLUORO(PHENYLSULFINYL)METHYLLITHIUM. NOTE ON THE CARBON‐13 NMR SPECTRUM OF A FLUOROCARBENOID (1984) (1)
- PREPARATION OF ERYTHRO‐2‐HYDROXYSUCCINIC ACID DERIVATIVES FROM MALIC ESTERS (1980) (1)
- LITHIATION IN α‐POSITION TO THE N‐ATOM OF TRIPHENYLACETAMIDES FROM CYCLIC SECONDARY AMINES. REARRANGEMENT OF METALATED TRIPHENYLACETAMIDES BY 1,3‐SHIFT OF CARBAMOYL GROUPS (1981) (1)
- Chiral Hydroperoxides as Oxygen Source in the Catalytic Stereoselective Epoxidation of Allylic Alcohols by Sandwich‐Type Polyoxometalates: Control of Enantioselectivity Through a Metal‐Coordinated Template. (2004) (1)
- N-METHYL-C-(TRICHLOROTITANIO)FORMIMIDOYL CHLORIDE. AN EFFICIENT REAGENT FOR HOMOLOGATIONS OF ALDEHYDES AND KETONES TO α-HYDROXYCARBOXAMIDES (1983) (1)
- Benzyl (R)- and (S)-2-tert-Butyl-5-oxo-oxazolidine-3-carboxylate for Convenient Preparation of D- and L-Threonine Analogues from Aldehydes. (1991) (1)
- C‐C Coupling with NO2‐/Alkyl Substitution at the Vinylic Carbon by Reaction of 2‐Aryl‐1‐nitro‐1‐alkenes with Dialkylzinc Compounds ‐ A Novel Reaction. (1993) (1)
- Chiral Alkoxytitanium(IV) Complexes for Enantioselective Nucleophilic Additions to Aldehydes and as Lewis Acids in Diels-Alder Reactions. (1987) (1)
- Methyl 4‐Nitrobutanoate (2001) (1)
- Highly Diastereoselective α‐Alkylation of β‐Hydroxycarboxylic Acids Through Lithium Enolates of 1,3‐Dioxan‐4‐ones. (1988) (1)
- THE CHIRAL GLYCINE ENOLATE DERIVATIVE FROM 1-BENZOYL-2-(TERT-BUTYL)-3-METHYL-1,3-IMIDAZOLIDIN-4-ONE IS ALKYLATED IN THE 5-POSITION WITH RELATIVE TOPICITY LK (1985) (1)
- N,O-Acetals from Pivalaldehyde and Amino Acids for the α-Alkylation with Self- Reproduction of the Center of Chirality. Enolates of 3-Benzoyl-2-(tert.-butyl)-1,3-oxazolidin-5-ones. (1985) (1)
- t‐Butyl 2‐t‐Butyl‐3‐methyl‐4‐oxo‐1‐imidazolidinecarboxylate (2001) (1)
- Preparation of 1,2-Diketones from Acetylenes. (1988) (1)
- Folding of β- and γ-peptides. The influence of substitution patterns on the formation of hydrogen bonds (1999) (1)
- SELECTIVITIES IN THE REACTIONS OF ALKYL-, ARYL- AND HETEROSUBSTITUTED ORGANOTITANIUM COMPOUNDS. PRELIMINARY COMMUNICATION (1981) (1)
- TADDOls – from Enantioselective Catalysis to Dendritic Cross linkers to Cholesteric liquid Crystals (2000) (1)
- SYNTHESES OF (+)‐(S,S)‐(CIS‐6‐METHYLTETRAHYDROPYRAN‐2‐YL)ACETIC ACID AND OF (‐)‐(R,R)‐DIDESOXY‐PYRENOPHORINE USING A NEW D5‐REAGENT (1979) (1)
- Lithium α‐Lithiomethanenitronate (2001) (1)
- ALKYLATION IN THE 2-POSITION OF (2S,4R)-4-HYDROXYPROLINE WITH RETENTION (OF CONFIGURATION) (1985) (1)
- DEPOLYMERIZATION OF POLY((R)-3-HYDROXY-BUTANOATE)(PHB) (1982) (1)
- Highly Enantioselective Protonation of the 3,4‐Dihydro‐2‐methylnaphthalen‐1(2H)‐one Li‐Enolate by TADDOLs. (2001) (1)
- Preparation and Determination of X‐Ray‐Crystal and NMR‐Solution Structures of γ2,3,4‐Peptides. (2001) (1)
- Diastereoselective Alkylation of 3-Aminobutanoic Aicd in the 2-Position. (1989) (1)
- TRITYL KETONES AND TRITYLENONES. STERICALLY ENFORCED MICHAEL ADDITION AND DIASTEREOSELECTIVE ALDOL ADDITION (1985) (1)
- Highly Efficient Catalytic Asymmetric Epoxidation of Allylic Alcohols by an Oxovanadium‐Substituted Polyoxometalate with a Regenerative TADDOL‐Derived Hydroperoxide. (2003) (1)
- Benzyl Isopropoxymethyl Carbamate – An Aminomethylating Reagent for Mannich Reactions of Titanium Enolates (2008) (1)
- Diastereoselective Cyclization of a Glycylalanine Azomethine to an Imidazolidinone: Determination of the Product Configuration by X-Ray Analysis. (1989) (1)
- EPC‐Synthesis and Fungistatic Activity of a Gloeosporone Analogue with an ω‐Hydroxybutyl Instead of the Pentyl Side Chain on the Macrocyclic Ring. (1991) (1)
- PREPARATION OF α-THIOLATED CARBONYL COMPOUNDS (1976) (1)
- PREPARATIVE ASYMMETRIC REDUCTION OF 3‐KETOBUTYRATE AND ‐VALERATE BY SUSPENDED CELLS OF THERMOPHILIC BACTERIA (THERMOANAEROBIUM BROCKII) IN ORDINARY LABORATORY EQUIPMENT (1985) (1)
- PREPARATION OF 1,3-DIKETONES AND OF NITRODIKETONES BY (1:1)-ACYLATION OF LITHIUM ENOLATES WITH ACYL CHLORIDES (1981) (1)
- Synthesis and Properties of Monodisperse Chiral Dendrimers (up to Fourth‐Generation) with Doubly Branched Building Blocks: An Intriguing Solvent Effect. (1998) (0)
- LITHIUM AND COPPER DERIVATIVES OF α,α-DOUBLY DEPROTONATED NITROALKANES. GENERATION, PROPERTIES AND REACTIONS WITH ALKYL AND ALLYL HALIDES (1980) (0)
- 3-HYDROXY-4-NITROCYCLOHEXANONES FROM KETONES AND 4-NITROBUTANOYL CHLORIDE. A RING ENLARGING FIVE-RING ANNULATION (1981) (0)
- Ti-TADDOLates and Related Complexes in Asymmetric Synthesis: Ring-Opening Reactions and Cu-Catalyzed Conjugate Additions of Grignard Reagents (1998) (0)
- ASYMMETRIC MICHAEL ADDITIONS. REGIO-, DIASTEREO-, AND ENANTIOSELECTIVE ALKYLATIONS OF THE ENAMINES FROM β-TETRALONES AND (S)-2-(METHOXYMETHYL)PYRROLIDINE (PROLINOL METHYL ETHER) BY Ω-NITROSTYRENES (1983) (0)
- CRYSTAL STRUCTURE OF 2-LITHIO-2-PHENYL-1,3-DITHIANE-TETRAHYDROFURAN-TETRAMETHYLETHYLENEDIAMINE(1/1/1); “X-X” ELECTRON DENSITY DISTRIBUTION IN LITHIOMETHYL- AND LITHIOPHENYLDITHIANE (1981) (0)
- ASYMMETRIC MICHAEL ADDITIONS. PRACTICALLY COMPLETELY DIASTEREO- AND ENANTIOSELECTIVE ALKYLATIONS OF THE ENAMINE FROM CYCLOHEXANONE AND PROLINYL METHYL ETHER BY Ω-NITROSTYRENES TO GIVE U-2-(1′-ARYL-2′-NITROETHYL)CYCLOHEXANONES (1982) (0)
- High-Yield Synthesis of 20-, 24-, and 28-Membered Macropentolide, -hexolide, and -heptolide, Respectively, from (R)- or (S)-3-Hydroxybutanoic Acid Under Yamaguchi′s Macrolactonization Conditions. (1988) (0)
- Annulation of 2-Formyl-2-cyclohexenones by Reaction with Enamines. (1986) (0)
- Production of (s)-4-methyl-beta-butyrolactone (1996) (0)
- CARBON-13 NMR SPECTRA OF TRIBROMOMETHYL- AND 1,1-DIBROMOETHYLLITHIUM (1980) (0)
- STEREOSPECIFIC PREPARATION OF TERMINAL VINYLLITHIUM DERIVATIVES BY BROMINE-LITHIUM EXCHANGE WITH TERT-BUTYLLITHIUM (1977) (0)
- Revised Structure of the Fungal Germination Self‐Inhibitor Gloeosporone. (1987) (0)
- Preparation and Reactions of Ethyl (R,R)- and (S,S)-3- Trifluoromethyloxirane-2-carboxylate, a Versatile, Easily Accessible CF3-Containing Building Block for Synthesis. (1992) (0)
- Cyclic Nitronates from the Diastereoselective Addition of 1-Trimethylsilyloxycyclohexene to Nitroolefins. Starting Materials for Stereoselective Henry Reactions and 1,3-Dipolar Cycloadditions. (1987) (0)
- Transesterification of peptides (1991) (0)
- Totally Stereoselective Additions to 2,6-Disubstituted 1,3-Dioxin-4-ones (Chiral Acetoacetic Acid Derivatives). Synthetic and Mechanistic Aspects of Remote Stereoselectivity. (1988) (0)
- Preparation and Characterization of New C2- and C1-Symmetric Nitrogen, Oxygen, Phosphorous, and Sulfur Derivatives and Analogues of TADDOL. Part 2. TADDAMIN-Derived and Phosphorous-Containing Compounds. (2013) (0)
- CH ACIDITY IN α-POSITION TO THE NITROGEN ATOM OF N,N-DIALKYLAMIDES WITH STERICALLY PROTECTED CARBONYL GROUPS. NUCLEOPHILIC AMINO ALKYLATION (1978) (0)
- DOUBLE DEPROTONATION OF 3-NITROPROPENE AND 4-NITRO-1-BUTENE- DERIVATIVES OF THEIR DIANIONS AS NEW REAGENTS FOR CARBON-CARBON BOND FORMATION (1978) (0)
- (R)-Ethyl 4-tert-Butoxy-3-hydroxybutanoate, a Versatile Chiral Building Block for EPC (Enantiomerically Pure Compound) Syntheses, by Yeast Reduction of Ethyl 4-tert-Butoxy-3-oxobutanoate. (1986) (0)
- Diastereoselective Hydroxyalkylations in Position 1 of Tetrahydroisoquinolines and Synthesis of Aporphine, Protoberberine, and Phthalide Alkaloids. (1987) (0)
- STEREOSPECIFIC BROMINE ACETATE SUBSTITUTION AT SYN‐ AND ANTI‐11‐BROMO‐2,3‐BENZOTRICYCLO(4.4.1.0)UNDECEN‐4‐ONE. THE RETENTIVE SUBSTITUTION AT CYCLOPROPANE (1976) (0)
- Aldol and Michael Additions of Fluorinated Nitroalkanes to Aldehydes, Ketones, and α,β-Unsaturated Carbonyl Compounds. (1992) (0)
- Enantiomerically Pure Tertiary Alcohols by TADDOL‐Mediated Additions to Ketones ‐ or How to Make a Grignard Reagent Enantioselective? (1992) (0)
- SYNTHESIS OF (.+-.)-1-DEOXY-2-LYCORINONE AND OF A POSSIBLE TRANS-DIHYDROLYCORICIDINE PRECURSOR (1982) (0)
- GENERATION OF DIENONE AND TRIENONE DIANION DERIVATIVES. DOUBLE DEPROTONATION AS A ROUTE TO LUMO-FILLED Π-SYSTEMS (1982) (0)
- Poly(hydroxyalkanoates): A Fifth Class of Physiologically Important Organic Biopolymers? (1993) (0)
- CHIRAL ELECTROPHILIC SYNTHETIC UNITS WITH FOUR DIFFERENT FUNCTIONAL GROUPS FROM TARTARIC ACID, 2,3- AND 3,4-EPOXYBUTANEDIOL DERIVATIVES IN ALL FOUR STEREOISOMERIC FORMS (1981) (0)
- A process for producing optically active 1,3-imidazolidin-4-one (1992) (0)
- Methionine as Precursor for the Enantioselective Synthesis of α‐Branched Vinylglycines and of Other Amino Acids. (1986) (0)
- Substitution and Addition Reactions of Methyl (R)-2-tert.-Butyl-δ4-1,3-oxazoline-3-carboxylates. (1990) (0)
- DETERMINATION OF THE STRUCTURE OF PHENYLETHYNYLLITHIUM IN SOLUTION BY LOW-TEMPERATURE NMR SPECTROSCOPY (1984) (0)
- Enantio‐ and Diastereoselective Titanium‐TADDOLate (I)‐Catalyzed Addition of Diethyl‐ and Bis(3‐buten‐1‐yl)zinc to Aldehydes. A Full Account with Preparative Details. (1994) (0)
- 1,4‐ADDITION VON 2‐LITHIUM‐1,3‐DITHIANEN AN SUBSTITUIERTE OMEGA‐NITROSTYROLE (1970) (0)
- REVERSED STEREOCHEMICAL COURSE OF THE MICHAEL ADDITION OF CYCLOHEXANONE TO β-NITROSTYRENES BY USING 1-(TRIMETHYLSILOXY)CYCLOHEXENE/DICHLORO(DIISOPROPOXY)TITANIUM (1985) (0)
- PREPARATION OF ALLENES FROM GEMINAL DIBROMO OLEFINS AND ALDEHYDES (1984) (0)
- Biotransformations with Halobacterium halobium: Reduction of Ethyl 3-Oxobutanoate and Hydrolysis of Ethyl 3-Hydroxybutanoate. Cooperative Effects of Reductase and Hydrolase. (1989) (0)
- (R)‐Methyl 2‐tert‐Butyl‐3(2H)‐oxazolecarboxylate (2001) (0)
- Book Review: Modern Reactions in Organic Synthesis. Edited by C. J. Timmons (1971) (0)
- GENERATION AND REACTIONS OF THE CHIRAL LITHIUM ENOLATE OF (+)‐(S)‐3‐METHYL‐2‐PENTANONE (1976) (0)
- ALKYLATION OF AMINO ACIDS WITHOUT LOSS OF OPTICAL ACTIVITY: α- AND β-ALKYLATION OF AN ASPARTIC ACID DERIVATIVE (1982) (0)
- ETHERIFICATIONS OF DIOLS, TRIOLS, AND HYDROXYCARBOXYLIC ACID DERIVATIVES VIA THALLIUM(I) ALKOXIDES. A NEW VARIANT OF THE WILLIAMSON REACTION (1981) (0)
- threo-3-Alkyl- and -Arylglutamic Acid Derivatives by Michael Additions of Boc-BMI Li-Enolates to 2,6-Di-tert-butyl-4-methoxyphenyl Alkenoates. On the Diastereoselectivity of the Coupling of Trigonal Centers Involving Heterocyclic Li-Enolates. (1992) (0)
- DOUBLY METALLATED METHANOL, A NUCLEOPHILIC HYDROXYMETHYLATION REAGENT (1976) (0)
- LOW TEMPERATURE CARBON-13 NMR SPECTRA OF 13C- AND 6LI-LABELED CHLORO-, BROMO-, AND IODOLITHIUM CARBENOIDS (1981) (0)
- Enantioselective Saponification of Diacetates of 2-Nitro-1,3-propanediols by Pig-Liver Esterase and Preparation of Enantiomerically Pure Derivatives of 2-Nitro-allylic Alcohols (Chiral Multiple-Coupling Reagents). (1988) (0)
- SYNTHESIS OF FOUR CHIRAL ELECTROPHILIC C3- AND C4-SYNTHONS FROM HYDROXYCARBOXYLIC ACIDS (1977) (0)
- A Highly Convergent Total Synthesis of (+)-Myxovirescine M2. (1992) (0)
- NUCLEOPHILIC AMINOALKYLATION. LITHIATED N,N‐THIOPIVALOYL DIMETHYLAMIDE (1976) (0)
- Open chain and cyclic tetrapeptides, consisting of alpha, beta(2)-, and beta(3)-amino-acid residues, as somatostatin mimics (2009) (0)
- Preparation of Enantiomerically Pure Sulfoxides from Lactic Acid and 3‐ Hydroxybutyric Acid. Isopropenyl Tolyl Sulfoxide and 2‐(Phenylsulfinyl) acrylate. (1993) (0)
- Metallations and Reactions with Electrophiles of 4‐Isopropyl‐5,5‐diphenyloxazolidin‐2‐one (DIOZ) with N‐Allyl and N‐Propargyl Substituents: Chiral Homoenolate Reagents. (2010) (0)
- Γ-LACTONE-CIS-ANNULATION TO Δ2- AND Δ3-CHOLESTENE (1977) (0)
- Diastereo‐ and Enantioselective Reduction of β‐Keto Esters Derived from Cyclopentanone, Cyclohexanone, Piperidone and Tetralone by “Non‐fermenting” Baker′s Yeast. (1987) (0)
- α-ALKYLATION OF (S)-GLYCERIC ACID THROUGH THE TERT-BUTYL THIOESTER OF (2R,4S)-2-TERT-BUTYL-1,3-DIOXOLANE-4-CARBOXYLIC ACID (1985) (0)
- (R)‐ and (S)‐4‐Alkoxy‐2‐tert‐butyl‐2,5‐dihydroimidazole‐1‐carboxylates ‐ New Chiral Glycine Derivatives for Amino Acid Synthesis. (1994) (0)
- Biographical sketch: Professor Dieter Seebach (2004) (0)
- CRYSTAL STRUCTURE OF 2-LITHIO-2-METHYL-1,3-DITHIANETETRAMETHYLETHYLENEDIAMINE(1/1) (1980) (0)
- NITROALLYLATION BY 2-NITRO-3-PIVALOYLOXYPROPENE. THE A2/A2′ REAGENT (1981) (0)
- MECHANISM OF THE DECOMPOSITION OF PERHETERO‐SUBSTITUTED ETHANES. HEXAKIS(ALKYLTHIO)‐ AND TETRAKIS(METHYLTHIO)BIS(TRIMETHYLSILYL)ETHANES (1977) (0)
- A CASE OF HIGHLY DIASTEREOSELECTIVE ADDITION TO UNSYMMETRICAL KETONES: LK-ADDITION OF (2-ALKENYL)TRIPHENOXYTITANIUM DERIVATIVES (1983) (0)
- Cover Picture (2019) (0)
- The Triolide of (R)‐3‐Hydroxybutyric Acid. Direct Preparation from Polyhydroxybutyrate and Formation of a Crown Estercarbonyl Complex with Na Ions. (1992) (0)
- Anion-Selectivity of Distannyl Derivatives in Membranes. (1986) (0)
- (2S,4S)‐3‐Benzoyl‐2‐tert‐butyl‐4‐methyl‐1,3‐oxazolidin‐5‐one (2001) (0)
- Preparation, Structure, and Reactivity of Thioxo and Imino Derivatives of the Triolide (and Pentolide) from (R)‐3‐Hydroxybutanoic Acid. (1996) (0)
- NUCLEOPHILIC THIOACYLATION WITH THIOCARBAMOYLLITHIUM DERIVATIVES OF SECONDARY AMINES (1976) (0)
- Conjugate Addition of Lithiated (S)-4-Isopropyl-3-[(methylthio)methyl]-5,5-diphenyloxazolidin-2-one to Cinnamoyl Derivatives: Preparation of Enantiomerically Pure 1,4-Diols. (2002) (0)
- Synthesis of (R)‐ and (S)‐2‐tert‐Butyl‐6‐trifluoromethyl‐1,3‐dioxin‐4‐ ones, Transformations into 3‐Hydroxy‐3‐(trifluoromethyl)alkanoates, and Surprising Differences in the Reactivity of CH3‐ and CF3‐ Substituted Compounds. (1992) (0)
- METHYLTRIISOPROPOXYTITANIUM, A HIGHLY SELECTIVE NUCLEOPHILIC METHYLATING REAGENT. PRELIMINARY COMMUNICATION (1981) (0)
- ALKYLATION OF THALLIUM(I) ALCOHOLATES. USEFUL MODIFICATION OF THE WILLIAMSON SYNTHESIS (1976) (0)
- A Novel (cid:2) -Peptidyl Aminopeptidase (BapA) from Strain 3-2W4 Cleaves Peptide Bonds of Synthetic (cid:2) -Tri- and (cid:2) -Dipeptides (2005) (0)
- Preparation of Optically Active Alcohols from 1,3-Dioxan-4-ones. (1986) (0)
- GENERATION AND REACTIONS OF TETRASUBSTITUTED N-LITHIOMETHYL SUCCINIMIDES (1977) (0)
- PREPARATION BY YEAST REDUCTION AND DETERMINATION OF THE SENSE OF CHIRALITY OF ENANTIOMERICALLY PURE ETHYL (-)-4,4,4-TRICHLORO-3-HYDROXY- AND (+)-4,4,4-TRIFLUORO-3-HYDROXYBUTANOATE (1985) (0)
- PROTON AND CARBON‐13 NMR SPECTROSCOPIC INVESTIGATIONS ON THIOAMIDE DERIVATIVES, RING CURRENT EFFECT IN CARBON‐13 NMR SPECTROSCOPY (1978) (0)
- LOW-TEMPERATURE CARBON-13 NMR SPECTRA OF 6LI- AND 13C-LABELED SULFUR- AND SELENIUM-SUBSTITUTED ORGANOLITHIUM DERIVATIVES (1984) (0)
- PREPARATION AND ′DISPROPORTIONATIVE HYDROLYSIS′ OF CYCLOPROPANONE THIOACETALS. A NEW METHOD OF HOMOLOGATION (1976) (0)
- Cell-Penetrating Peptide Octaarginine Species by Combination with the against Plasmodium and Mycobacterium Improved Efficacy of Fosmidomycin (2013) (0)
- THREE NEW CHIRAL AMINO ETHERS FROM TARTARIC ACID FOR IMPROVED ASYMMETRIC SYNTHESES WITH ORGANOLITHIUM REACTIONS. PRELIMINARY COMMUNICATION (1980) (0)
- Reactions of Chiral 2-(tert-Butyl)-2H,4H-1,3-dioxin-4-ones Bearing Functional Groups in the 6-Position and Diastereoselective Catalytic Hydrogenation to cis-2,6-Disubstituted 1,3-Dioxan-4-ones. (1988) (0)
- No Life on this Planet Without PHB (2023) (0)
- Brominations of Cyclic Acetals from α-Amino Acids and α- or β-Hydroxy Acids with N-Bromosuccinimide. (1987) (0)
- Enantioselective Heterogeneous Epoxidation and hetero-Diels—Alder Reaction with Mn- and Cr-Salen Complexes Immobilized on Silica Gel by Radical Grafting. (2002) (0)
- Synthesis of Monodisperse Macromolecular Bicyclic and Dendritic Compounds from (R)-3-Hydroxybutanoic Acid and Benzene-1,3,5- tricarboxylic Acid and Analysis by Fragmenting MALDI-TOF Mass Spectroscopy. (1997) (0)
- cis-Stilbene and (1 alpha,2 beta,3 alpha)-(2-ethenyl-3-methoxycyclopropyl)benzene as mechanistic probes in the Mn(III)(salen)-catalyzed epoxidation: influence of the oxygen source and the counterion on the diastereoselectivity of the competitive concerted and radical-type oxygen transfer. (2002) (0)
- CRYSTAL AND MOLECULAR STRUCTURE OF A THF‐SOLVATED LITHIUM AMIDE ENOLATE DIMER (1985) (0)
- New Applications of Organometallic Derivatives of Lithium, Magnesium, Boron, Aluminum, Silicon, Titanium, and Vanadium in Selective Syntheses (1987) (0)
- 2,4,6‐TRI‐TERT‐BUTYLPHENOXY (TBPO) AS A STERICALLY ACTIVE CARBONYL PROTECTIVE GROUP ‐ A NEW NUCLEOPHILIC DIMETHYLAMINOMETHYLATION AGENT (1978) (0)
- An Efficient Method of Preparing (R)- and (S)-4,4,4-Trifluoro9-3-hydroxybutanoic Acid: Resolution with (R)- or (S)-1-Phenylethylamine (2006) (0)
- The Geometry of Lithium Complexes with Coordinatively Bound Carbonyl Compounds and the Structure of a Lithium Dienolate. (1986) (0)
- C‐C‐VERKNUEPFUNGEN IN ALPHA‐STELLUNG ZUM STICKSTOFF SEK. AMINE, LITHIUM‐DIMETHYLNITROSAMIN (1972) (0)
- CARBON ALKYLATIONS OF α,α- AND α,β-DOUBLY DEPROTONATED NITROALKANES (1977) (0)
- Comparison of Permeation Through Phosphatidylcholine Bilayers of N‐Dipicolinyl‐α‐ and ‐β‐oligopeptides. (2007) (0)
- Direct Michael Additions of Silyl Groups to α,β-Unsaturated β-Arylketones and an α-Benzylidenelactone with Mixtures Obtained from Copper(I) Cyanide, Butyllithium and Chlorosilanes. (1989) (0)
- (2R)-5-Alkyl-2-tert.-butyl-6-methyl-4H-1,3-dioxin-4-ones as Intermediates for the Preparation of α,β,β- Trisubstituted β-Hydroxycarboxylic Acids from (R)-3- Hydroxybutyric Acid Under Self-Regeneration of the Stereogenic Center. (1991) (0)
- A METALATED ALLYLUREA WITH STERICALLY PROTECTED CARBONYL GROUP AS NEW D3-REAGENT (1979) (0)
- X-Ray Crystal Structure Analysis of 2,4,6-Tri(tert.-butyl)phenyllithium·N,N,N′,N′-Tetramethylpropane-1,2-diam# ine: A Monomeric Organolithium Compound (1989) (0)
- DIASTEREOSELECTIVE SYNTHESIS OF β-METHYLHOMOALLYLIC ALCOHOLS BY LK-ADDITION OF (2-BUTENYL)TRIPHENOXYTITANIUM TO ALDEHYDES (1982) (0)
- PREPARATIVE MICROBIOLOGICAL REDUCTION OF β-OXO ESTERS WITH THERMOANAEROBIUM BROCKII (1984) (0)
- ON THE REARRANGEMENT OF BROMOCYCLOPROPYL CARBINOLS TO HOMOALLYLIC DERIVATIVES AND TO CYCLOBUTANONES (1979) (0)
- FURTHER INVESTIGATION OF THE NATURE OF THE CARBON-LITHIUM BOND. STRUCTURES OF A PHENYLTHIOMETHYLLITHIUM COMPLEX AND OF A METHYLTHIOMETHYLLITHIUM COMPLEX (1984) (0)
- Book Review: Organic Reactions and Orbital Symmetry. By T. L. Gilchrist and R. C. Storr (1973) (0)
- Synthesis of β‐Hexa‐ and β‐Heptapeptides Containing Novel β2,3‐Amino Acids with Two Serine or Two Cysteine Side Chains — CD‐ and NMR‐Spectroscopic Evidence for 314‐Helical Secondary Structures in Water. (2000) (0)
- POLYLITHIATED BETA -PEPTIDES : LIKE-SELECTIVE C-TERMINAL ALKYLATION OF BOC-BETA -HVAL-BETA -HALA-BETA -HLEU-OME (1998) (0)
- (E,R,R)‐5‐Alkylidene‐2‐tert.‐butyl‐6‐methyl‐1,3‐dioxan‐4‐ones: Preparation from (R)‐3‐Hydroxybutyric Acid, Cuprate Additions, and Hydrolyses to 3‐Hydroxycarboxylic Acids with Chiral Secondary Alkyl Substituents in the 2‐Position. (1991) (0)
- RADICAL IONS. PART 35. THE OXIDATION OF HEXATHIOETHANES TO TETRATHIOETHENE RADICAL CATIONS (1980) (0)
- Acetalization and Unexpected Dimerization of an 1,3-Dioxan-4-one to give a Twelve-Membered Ring. Formation of 2-(tert-Butyl)-6-(trifluoromethyl)-1,3-dioxan-4-one (III) and 2,8-Di(tert-butyl)-6,12-bis (trifluoromethyl)-1,3,7,9-tetraoxacyclodecan-4,10-dione (IV) from rac-, (R)-, and (S)-4,4,4-Trifluor (1991) (0)
- The Ring Opening of Unsymmetrical Allylic, Benzylic, Propargylic, and Si-Substituted Epoxides by Titanium Acetylides: A Convenient Access to Certain 2-Substituted 3-Butyn-1-ols. (1988) (0)
- Peptide Enolates. C‐Alkylaton of Glycine Residues in Linear Tri‐, Tetra‐, and Pentapeptides via Dilithium Azadienediolates. (1994) (0)
- Preparation of β2‐Homotryptophan Derivatives for β‐Peptide Synthesis. (2002) (0)
- Catalytic and Stoichiometric Enantioselective Addition of Diethyl Zinc to Aldehydes Using a Novel Chiral Spirotitanate. (1991) (0)
- EPC‐Synthesis of β‐Amino Acid Derivatives Through Lithiated Hydropyrimidines. (1999) (0)
- Synthesis of Amino Acid‐, Carbohydrate‐, Coumarin‐, and Biotin‐Labeled Oligo[(R)‐3‐Hydroxybutanoic Acids] (OHB). (1999) (0)
- Foreword by D. Seebach (2012) (0)
- CHIRAL REAGENTS FROM TARTARIC ACID. 1-BENZYLOXY-3,4-EPOXY-2-BUTANOL, A VERSATILE INTERMEDIATE PRODUCT FOR ENANTIOMER SYNTHESIS (1980) (0)
- Preparation and C-Alkylation of Peptides with Aminomalonate Building Blocks. (1994) (0)
- Cycloadditions to the Double Bonds of Methyl (R)-2-tert.-Butyl-δ4-1,3-oxazoline-3-carboxylates. (1990) (0)
- ENANTIOSELECTIVE SYNTHESIS OF ALPHA -BRANCHED ALPHA -AMINO ACIDS WITH BULKY SUBSTITUENTS (1995) (0)
- THE D5-REACTIONS OF DOUBLY DEPROTONATED Γ,Δ-UNSATURATED CARBONYL DERIVATIVES WITH ELECTROPHILES. A NOVEL APPROACH TO THE SYNTHESIS OF TETRAHYDROFURAN AND TETRAHYDROPYRAN DERIVATIVES (1982) (0)
- Some New Chiral Brønsted Acids for Organocatalysis and pKa Values in MeO (CH2)2 OH/H2O - A Survey (2012) (0)
- Preparation, Structure, and Properties of All Possible Cyclic Dimers ( Diolides) of 3-Hydroxybutanoic Acid. (1995) (0)
- Comparative metabolism of alpha- and beta-peptides in the insect Heliothis virescens and in plant cells of black Mexican sweet maize. (2004) (0)
- Modified Preparation of (2R)‐2‐tert‐Butyl‐6‐methyl‐4H‐1,3‐dioxin‐4‐one. A Chiral Acetylacetic Acid Derivative for the Synthesis of Enantiopure Compounds. (1992) (0)
- PREPARATION OF SUBSTITUTED METHYLENECYCLOPROPANES FROM GEMINAL-DIBROMOCYCLOPROPANES AND CARBONYL COMPOUNDS (1982) (0)
- A NITROSAMINE ROUTE TO (.+-.)-MACROSTOMINE (1980) (0)
- Titanium(IV) Chloride Complexes with Chiral Tetraaryl‐1,3‐dioxolane‐4,5‐dimethanol Ligands as a New Type of Catalysts of Ethylene Polymerization. (2006) (0)
- Electrochemical Decarboxylation of Hydroxyproline: A Simple Three-Step Conversion of (2S,4R)-4-Hydroxyproline (I) to (R)-γ-Amino-β-hydroxybutanoic Acid (II) (GABOB). (1986) (0)
- DOUBLE METALLATION OF BENZYL- AND ALLYLMERCAPTANS, THE THIOBENZALDEHYDE AND THIOACROLEIN DIANIONS (1977) (0)
- Preparation of Oxazolidine-Containing Peptides: Unusual Effects in RhIII-Catalyzed Acetalizations of Aldehydes with Urethane-Protected Serine and Threonine Esters and with Dipeptides Containing Serine or Threonine Residues at the N-Terminus. (1994) (0)
- Reactivity of (R)‐2‐tert.‐Butyldihydrooxazole Derivatives Prepared from Serine and Threonine: Novel, Versatile Chiral Building Blocks. (1989) (0)
- Generation and Reactions of Lithiated tert. Butyl and 2,6-Di(tert-butyl)-4-methylphenyl Cyclopropane Carboxylates. (1987) (0)
- SYNTHESIS AND DETERMINATION OF THE ABSOLUTE CONFIGURATION OF (+)-DELESSERIN, A COMPONENT OF THE MARINE RED ALGA DELESSERIA SANGUINEA (LAMOUROUX) (1984) (0)
- Allylation of Aldehydes with Etherification by Dialkoxydichlorotitanium/Allyltrimethylsilane. (1986) (0)
- EINFACHE DARST. VON HEXAKIS(ORGANYLTHIO)AETHANEN, PYROLYSE VON HEXAKIS(ARYLTHIO)AETHANEN, HINWEISE AUF EINE C-C-DISSOZIATION (1973) (0)
- Alkylation of Imidazolidinone Dipeptide Derivatives: Preparation of Enantiomerically Pure Di- and Tripeptides by “Chirality Transfer” via a Pivalaldehyde N,N-Acetal Center. (1988) (0)
- THE MAGNETIC NONEQUIVALENCE OF THE CARBON ATOMS OF PROCHIRAL DIPHENYLMETHYL GROUPS IN CARBON-13 NMR SPECTROSCOPY (1976) (0)
- Process for the preparation of a non-immunosuppressive cyclosporin (1991) (0)
- REGIO- AND STEREOCHEMICAL COURSE OF THE REACTIONS OF SUBSTITUTED 2-LITHIO-N-NITROSOPIPERIDINES (1977) (0)
- Zirconium Alkoxide Catalyzed Oppenauer Oxidation Using Chloral as the Hydride Acceptor. (2010) (0)
- BRANCHED SUGAR. XXV. DIRECT HYDROXYMETHYLATION TO BRANCHED SUGARS USING A HYDROXYMETHYL-D1 REAGENT (1980) (0)
- REVISED STRUCTURE OF THE MACRODIOLIDE COLLETODIOL (1982) (0)
- (2S,3R)‐2‐Benzyloxy‐3,4‐epoxybutan‐1‐ol. A Versatile Synthetic Building Block Formally Derived from (u)‐Tartaric Acid. (1988) (0)
- C-Alkylation of Peptides Through Polylithiated and LiCl-Solvated Derivatives Containing Sarcosine Li-Enolate Units. (1991) (0)
- Preparation of the PdCl2 Complex (III) of TADDOP, the Bis( diphenylphosphinite) of TADDOL: Use in Enantioselective 1,3‐ Diphenylallylations of Nucleophiles and Discussion of the Mechanism. (1996) (0)
- Scope and Limitations of the TiCl4‐Mediated Additions of Isocyanides to Aldehydes and Ketones with Formation of α‐Hydroxycarboxylic Acid Amides. (1988) (0)
- Catalytic Enantioselective Hydrosilylation of Aromatic Ketones Using Rhodium Complexes of TADDOL‐Derived Cyclic Phosphonites and Phosphites. (1994) (0)
- Formation of 12‐ to 40‐Membered Oligolides from Enantiomerically Pure 3‐Hydroxybutyric Acid Derivatives. Building Blocks of a 21‐ and a 31‐ Helix. (1992) (0)
- β‐Thiopeptides: Synthesis, NMR Solution Structure, CD Spectra, and Photochemistry. (2000) (0)
- DOUBLY METALATED METHANOL. ALCOHOL-D1 AND -D3 REAGENTS (1980) (0)
- AMINATIVE REDUCTIVE COUPLING OF AROMATIC ALDEHYDES TO N,N,N′,N′-TETRAALKYL-1,2-DIARYLETHYLENEDIAMINES, BY TRIS(DIALKYLAMINO)METHYLVANADIUM(IV) (1984) (0)
- Synthesis of Oligo(3‐hydroxybutanoate)(OHB)‐Containing Peptides with High Binding Affinity to a Class‐I‐MHC Protein. (1998) (0)
- PREPARATION OF SOME CHIRAL AMINODIOLS FROM TARTARIC ACID. CHIRAL LITHIUM ALUMINATES FOR ASYMMETRIC HYDROGENATIONS (1980) (0)
- LITHIATED N‐PIVALOYLTETRAHYDROISOQUINOLINE ‐ A SUPERNUCLEOPHILE (1981) (0)
- The Dienolate of (R)-2-tert.-Butyl-6-methyl-1,3-dioxin-4(2H)-one - A Chiral Acetoacetic Ester d4 Reagent (1989) (0)
- On the Ti-TADDOLate-Catalyzed Diels-Alder Addition of 3-Butenoyl-1,3-oxazolidin-2-one to Cyclopentadiene. General Features of Ti-BINOLate- and Ti-TADDOLate-Mediated Reactions. [Erratum to document cited in CA123:9362] (1995) (0)
- Preparation of (R)‐ and (S)‐2‐Alkyl‐2‐amino‐3‐(methylamino)propanoic and Other 2,3‐Diaminoalkanoic Acid Derivatives from a Chiral Imidazoline. (1992) (0)
- POLARITY REVERSAL OF CARBONYL REACTIVITY, PROTON ABSTRACTION FROM KETENE THIOACETALS TO GIVE 1,1-DITHIO-SUBSTITUTED ALLYL- AND PENTADIENYL-LITHIUM DERIVATIVES AND THEIR REACTIONS WITH ELECTROPHILES (1977) (0)
- THE MAGNESIUM SALT OF THE THIOACROLEIN DIANION. A SIMPLE APPROACH TO VINYL AND DIVINYL OXIRANES (1976) (0)
- Alkylations of Chiral Imidazolidinones Derived from Di- and Triglycine and Attempts at Cyclizations to Give Cycloisodityrosines. (1996) (0)
- BROMINE LITHIUM EXCHANGE IN VINYL BROMIDES WITH 2 MOLEQUIVALENTS OF TERT-BUTYLLITHIUM. REACTIONS OF VINYLLITHIUM COMPOUNDS WITH HETERO AND CARBON ELECTROPHILES (1978) (0)
- Electrochemical Oxidation of (S)-Malic-Acid Derivatives: a Route to Enantiomerically Pure Alkylmalonaldehydic Esters. (1987) (0)
- Simple Access to (R)‐ and (S)‐3,3,3‐Trifluorolactic Acid and to (R)‐ and (S)‐(Trifluoromethyl)oxirane. (1993) (0)
- THE D1- AND D3-SELECTIVE REACTIONS OF SULFUR-SUBSTITUTED ALLYLIC TITANIUM DERIVATIVES WITH ALDEHYDES AND KETONES (1985) (0)
- Stereoselective Hydroxyalkylations of (S)-2-Azetidinecarboxylic Acid. (1990) (0)
- Preparation of α-Branched Phenylalanines and of 1,1- Disubstituted Ethylenediamines via Chiral Imidazolidinones and Oxazolidinones of Glycine. Preparative and Mechanistic Aspects. (1993) (0)
- USE OF MAGNESIUM THIOACROLEIN DIANIONS IN THE SYNTHESIS OF SULFUR‐FREE COMPOUNDS (VINYL AND DIVINYL EPOXIDES, ACYLCYCLOPENTENES) (1979) (0)
- α‐Alkylation of β‐Aminobutanoates with lk‐1,2‐Induction. (1987) (0)
- DOUBLE DEPROTONATION OF 2‐ARYL‐1‐NITROETHANES. UMPOLUNG OF THE NITROOLEFIN REACTIVITY (1979) (0)
- Synthesis and Structure of Linear and Cyclic Oligomers of 3-Hydroxybutanoic Acid with Specific Sequences of (R)- and (S)-Configurations. (2010) (0)
- Channel-Forming Activity of 3-Hydroxybutanoic-acid Oligomers in Planar Lipid Bilayers. (1996) (0)
- Preparation of TADDOL Derivatives (I)—(III) for New Applications. (1999) (0)
- α-ALKYLATION OF AMINO ACIDS WITHOUT RACEMIZATION. PREPARATION OF EITHER (S)- OR (R)-α-METHYLDOPA FROM (S)-ALANINE (1985) (0)
- Chiral Building Blocks for Syntheses by Kolbe Electrolysis of Enantiomerically Pure β‐Hydroxybutyric Acid Derivatives. (1986) (0)
- Azetidin-3-ones from (S)-α-Amino Acids and Their Reactions with Nucleophiles: Preparation of Some Azetidine-Containing Amino-Alcohol and Amino-Acid Derivatives. (1995) (0)
- ENANTIOSELECTIVE ADDITION OF CHIRAL ORGANOTITANIUM DERIVATIVES TO ALDEHYDES. PRELIMINARY COMMUNICATION (1982) (0)
- Simple Conversion of (R)-3-Hydroxybutanoic Acid to the (S)-Enantiomer and Its Lactone (-)-(S)-4-Methyloxetan-2-one. (1987) (0)
- SAFE ONE-POT CARBON-CARBON BOND FORMATION WITH LITHIATED NITROSAMINES INCLUDING DENITROSATION BY SEQUENTIAL REDUCTION WITH LITHIUM ALUMINUM HYDRIDE AND RANEY NICKEL (1979) (0)
- TADDOLs, Their Derivatives, and TADDOL Analogues: Versatile Chiral Auxiliaries (2001) (0)
- Preparation and Characterization of New C2- and C1-Symmetric Nitrogen, Oxygen, Phosphorous, and Sulfur Derivatives and Analogues of TADDOL. Part 1. Compounds Containing One or Two Sulfur-Containing Substituents and Use in Cu-Catalyzed (2013) (0)
- DIASTEREOSELECTIVE HYDROXYALKYLATIONS IN THE 1‐POSITION OF 2‐PIVALOYL‐1,2,3,4‐TETRAHYDROISOQUINOLINE VIA A MAGNESIUM DERIVATIVE (1984) (0)
- Diastereoselective Elaboration of the Carbon Skeleton of β-Hydroxy Esters from Yeast Reductions. Preparation of (2S)-2-Hydroxycyclohexane Carboxylic Acids with Three Contiguous Stereogenic Centers. (1988) (0)
- SYNTHESIS AND NMR SPECTRA OF SOME 13C-LABELED THIO- AND SELENOETHERS, -ACETALS, AND -ORTHOESTERS (1984) (0)
- 2-STANNYL-1,3-DITHIANES. PREPARATION, TIN/LITHIUM TRANSMETALATION, AND USE FOR CYCLIZATIONS (1979) (0)
- POLARITY REVERSAL OF CARBONYL REACTIVITY, N2 E1 AND N4 E1 REACTIONS OF 1,1-DIHETERO SUBSTITUTED OLEFINS AND DIENES (1977) (0)
- Synthesis and Properties of First and Second Generation Chiral Dendrimers with Triply Branched Units: A Spectacular Case of Diastereoselectivity. (1997) (0)
- DIASTEREOSELECTIVE SYNTHESIS OF β-NITRO- AND β-AMINO ALCOHOLS (1981) (0)
- Diastereoselective Michael Additions of Chiral Imidazolidines to Trityl Enones. (1993) (0)
- Preparation of Stereoisomeric 3-Sulfinylbutyric Acids from (R)- and (S) -4-Methyl-2-oxetanone. (1992) (0)
- α,α,α′,α′-Tetraaryl-1,3-dioxolane-4,5- dimethanols (TADDOLs) for Resolutions of Alcohols and as Chiral Solvating Agents in NMR Spectroscopy. (1992) (0)
- IMPROVEMENT OF DETECTION SENSITIVITY OF CYCLOSPORIN A BY DERIVATIZATION WITH 2-NAPHTHYLSELENYL CHLORIDE (1980) (0)
- Amino Acids as Chiral Building Blocks: Dihydrothiazole Derivatives (δ4-Thiazoline) Made from Cysteine. (1990) (0)
- (+)-11,11′-Di-O-methylelaiophylidene. Preparation from Elaiophylin and Total Synthesis from (R)-3-Hydroxybutyrate and (S)-Malate. (1986) (0)
- Resolution of Racemic Carboxylic Acid Derivatives by Ti‐TADDOLate Mediated Esterification Reactions ‐ A General Method for the Preparation of Enantiopure Compounds. (1997) (0)
- Highly Enantioselective Opening of Cyclic meso‐Anhydrides to Isopropyl Hemiesters with Diisopropyltitanium TADDOLates. (1996) (0)
- Detection, Synthesis, Structure, and Function of Oligo(3‐hydroxyalkanoates): Contributions by Synthetic Organic Chemists (1999) (0)
- SYNTHESIS OF ALPHA-HETEROSUBSTITUTED NITROSAMINES, NOVEL TEST SUBSTANCES FOR CANCER AND MUTAGENESIS RESEARCH (1975) (0)
- Chiral Building Blocks from Amino Acids via an Electrochemical Key Step: Synthesis of (R)-2-tert-Butyl-3-methoxycarbonyl-1,3-oxazolines from (S)-Serine and (S)-Threonine. (1988) (0)
- Process for the enantioselective production of (alpha) -alkylated, aminocarboxylic acyclic (alpha) (1983) (0)
- ENANTIOSELECTIVE 1,4-ADDITIONS OF ORGANOMETALLIC COMPOUNDS TO CONJUGATED SYSTEMS IN A CHIRAL 1,4-BIS(DIMETHYLAMINO)-23-DIEMTHOXYBUTANE MEDIUM (1979) (0)
- 1,4-ADDITIONS OF LITHIATED BIS(METHYLTHIO)METHANES TO CYCLIC ENONES (1977) (0)
- Self-Regeneration of Stereocenters (SRS) - Applications, Limitations, and Abandonment of a Synthetic Principle (1997) (0)
- Large‐Scale Preparation of α,α,α′,α′‐Tetraaryl‐ 1,3‐dioxolane‐4,5‐dimethanols (TADDOLs): Versatile Auxiliaries for EPC‐ Synthesis and Their Solid‐State Structure. (1992) (0)
- Synthesis and Spectroscopic Characterization of β‐Di‐, β‐Tri‐, and β‐Hexapeptides Built with (S)‐2‐Methylene‐3‐aminoalkanoic Acids Derived from Alanine, Valine, and Leucine. (2004) (0)
- Preparation and Characterization of New C2- and C1-Symmetric Nitrogen, Oxygen, Phosphorous, and Sulfur Derivatives and Analogues of TADDOL. Part 3. Some New Chiral Broensted Acids for Organocatalysis and pKa Values in MeO—(CH2)2—OH/H2O — A Survey (2013) (0)
- Preparation of Enantiomerically Pure 4,4,4‐Trifluoro‐3‐hydroxy‐ butanoic Acid Derivatives, Branched in the 2‐ or 3‐Position, from 6‐ Trifluoromethyl‐1,3‐dioxan‐ and ‐dioxin‐4‐ones. (1994) (0)
- Overall Enantioselective α‐Alkylation of Aspartic and Glutamic Acid Through Dilithium Enolatocarboxylates of 2‐[3‐Benzoyl‐2‐(tert.‐butyl)‐1‐methyl‐5‐oxoimidazolidin‐4‐yl]acetic und 3‐[3‐Benzoyl‐2‐(tert.‐butyl)‐1‐methyl‐5‐oxoimidazolidin‐4‐yl]propionic Acld, Respectively. (1985) (0)
- GENERATION AND REACTIONS OF α-(TRIMETHYLSILYL)-, α-(PHENYLTHIO)-, AND α-(PHENYLSELENO)VINYLLITHIUM DERIVATIVES (1977) (0)
- Isotopically Labeled and Unlabeled β‐Peptides with Geminal Dimethyl Substitution in 2‐Position of Each Residue: Synthesis and NMR Investigation in Solution and in the Solid State. (2003) (0)
- Structure and Reactivtiy of Lithium Enolates: From Pinacolone to Selective C‐Alkylations of Peptides. Difficulties and Opportunities Afforded by Complex Structures (1989) (0)
- Organic Synthesis - Where Now? (2010) (0)
- Macrolactonization of β-Hydroxy Acids. Crystal Structures of the Pentolide and the Hexolide from (R)-3-Hydroxybutanoic Acid. Molecular Modeling Studies of the Tetrolide. (1990) (0)
- Low-Temperature X-Ray Crystal-Structure Analysis of the Thermally Unstable Lithiated 2-Butenyl tert-Butyl Sulfide: A Comparison with Model ab initio MO Calculations (1988) (0)
- Direct Michael‐Type Addition of Si Groups to α,β‐ Unsaturated β‐Aryl‐Substituted Enones with R3SiCl/Bu2Cu(CN)Li2. (1991) (0)
- Total Synthesis of Myxovirescins. Part 2. Assembly of the “ Northwestern” Part (C(15)-C(28)). (1994) (0)
- Preparation and C-Alkylation of Enantiomerically Pure S-Phenyl Aziridinecarbothioates. On the Structure of Small-Ring Ester Lithium Enolates. (1988) (0)
- New Synthetic Methods of 1-Substituted 1,2,3,4-Tetrahydroisoquinolines. (1982) (0)
- Preparative Resolution of Heterocyclic Acetals Derived from Glycine, Mercapto-acetic Acid, β-Alanine, and Formyl- or Acetylacetic Acid by Recycling Chromatography on Chiraspher and Temperature Dependence of Separation Factors. (2010) (0)
- α,α-DOUBLY DEPROTONATED NITROALKANES. INCREASE IN NITRONATE CARBON NUCLEOPHILICITY (1976) (0)
- Asymmetric synthesis—a foreword (1996) (0)
- GENERATION OF DIENONE AND TRIENONE (2001) (0)
- Trifluoroacetoxy-Phenylselenation of Nitroolefins: Regioselective Preparation of Nitroallylic Alcohol Derivatives and Their Use as Multiple Coupling Reagents. (1986) (0)
- 6-Chloromethylated 2-(tButyl)-1,3-dioxan- and -1,3-dioxin-4-ones from ( R)- or (S)-4,4,4-Trichloro-3-hydroxybutyric Acid. (1992) (0)
- DIASTEREOSELECTIVE SYNTHESIS OF NOVEL MANNICH BASES THROUGH TITANIUM DERIVATIVES (1984) (0)
- Enantioselective Synthesis of α-Branched α-Amino Acids with Bulky Substituents. (2010) (0)
- INTRAMOLECULAR INVERSION SUBSTITUTION AT THE THREE-MEMBERED RING OF 7-EXO-BROMOBICYCLO(4.1.0)HEPTAN-3-ENDO-OL YIELDING A TETRAHYDROFURAN RING (1979) (0)
- STRUCTURES OF THREE LITHIUM ESTER ENOLATES BY X-RAY DIFFRACTION: DERIVATION OF REACTION PATH FOR CLEAVAGE INTO KETENE AND ALCOHOLATE (1985) (0)
- REACTION OF METALATED NITROSAMINES WITH NITRILES. A NOVEL ACCESS TO V-TRIAZOLES (1977) (0)
- LITHIUM O‐LITHIOBENZYL ALCOHOLATE (1978) (0)
- BROM-LITHIUM-AUSTAUSCH AN VINYL- UND ARYL-BROMIDEN MIT TERT.-BUTYLLITHIUM, ZUR RINGERWEITERUNG UEBER DIBROMCARBENADDUKTE (1974) (0)
- HOMOLOGATIVE TRANSFORMATION OF ALDEHYDES AND KETONES TO ALPHA,BETA-UNSATURATED KETONES THROUGH METALATED KETENE THIOACETALS (1975) (0)
- Preparation of (2E,4E,6S,7S,l0E,12E,l4S,15S,l′S)-7,15-Bis(l′-hydroxymethylethyl)-6,14-dimethyl-8,16-dioxa-2,4,l0,12-cyclohexadecatetraene-1,9-dione. (1986) (0)
- NUCLEOPHILE THIOACYLIERUNG MIT LOESUNGEN VON DIMETHYL‐THIOCARBAMOYLLITHIUM (1974) (0)
- Total Synthesis of Myxovirescins. Part 3. Coupling of the Two Key Fragments and Last Steps to Myxovirescins A1 and M2. (1994) (0)
- KRISTALL‐ UND MOLEKUELSTRUKTUR VON HEXAKIS‐(PHENYLTHIO)‐AETHAN (1974) (0)
- Gloeosporone - A Macrolide Fungal Germination Self-Inhibitor. Total Synthesis and Activity. (1990) (0)
- MICHAEL-ADDITION VON METALLIERTEN CARBONSAEUREAMIDEN AN NITROSTYROLE - VEREINFACHTER ZUGANG ZU TRYPTAMINEN (1971) (0)
- ASYMMETRIC MICHAEL ADDITIONS. STEREOSELECTIVE ALKYLATIONS OF THE (R)‐ AND (S)‐ENAMINE FROM CYCLOHEXANONE AND 2‐(METHOXYMETHYL)PYRROLIDINE BY METHYL α‐(METHOXYCARBONYL)CINNAMATES (1983) (0)
- Structure of Reactive Intermediates of Organocatalysis (2009) (0)
- Pienaly Lectures: Homologs of Amino Acids and Explorations into the Worlds of Beta- and Gammna-Peptides〔和文〕 (第10回国際農薬化学会議(ICCCP)特集) (2003) (0)
- Computational Chemistry Column: Should a chemist be able to do his own programming? (1992) (0)
- Ab initio Studies on N‐Acyliminium Ions (1992) (0)
- Dichloro[TADDOLato(2-)-O,O′]titanium/Dichlorobis [1-methylethoxy]titanium-Mediated, Highly Diastereo- and Enantioselective Additions of Silyl Enol Ethers to Nitro Olefins and [3 + 2] Cycloadditions of Primary Adducts to Acetylenes. (2000) (0)
- Total Synthesis of the Macrodiolide (+)‐Conglobatin. (1987) (0)
- Methoden der organischen Chemie (1971) (0)
- Nitroaethylverbindungen und verfahren zur herstellung von nitroaethylverbindungen (1974) (0)
- Partial Depolymerization and Solubilization of Poly[(<i>R</i>)-3-hydroxybutanoate] (PHB) and Its Copolymer with (<i>R</i>)-3-Hydroxyvalerate (<i>BIOPOL</i><sup>®</sup>) by Treatment with Li-Amides/LiCI in Tetrahydrofuran at Low Temperature (2006) (0)
- HOMOLYSE DER AETHAN-C-C-BINDUNG, NACHWEIS VON TRIS-(PHENYLMERCAPTO)-METHYL DURCH (13)C-MARKIERUNG (1971) (0)
- (+)-COLLETODIOL. SYNTHESIS FROM (S,S)-TARTARIC ACID AND (R)-3-HYDROXYBUTYRIC ACID (1984) (0)
- 1,3-DIKETONES BY 1-1 REACTIONS OF LITHIUM ENOLATES WITH ACID CHLORIDES. GENERATION OF KINETIC ENOLATES WITH MESITYL LITHIUM (1977) (0)
- 1,4,5,6-TETRAHYDRO-ν-TETRAZINE DERIVATIVES (1978) (0)
- WECHSELWIRKUNG EINSAMER ELEKTRONENPAARE IN DELTA(2) TETRAZENEN. PHOTOELEKTRONENSPEKTROSKOPISCHE UNTERSUCHUNGEN (1975) (0)
- LITHIO-1,3,5-TRITHIANE. ERZEUGUNG, UMSETZUNG MIT ELEKTROPHILEN UND VERWENDUNG ALS NUCLEOPHILE ACYLIERUNGSMITTEL (1974) (0)
- KETENTHIOACETALE DURCH ′PETERSON-CARBONYLOLEFINIERUNG′ MIT METALLIERTEN FORMYLTRIMETHYLSILYL-THIOACETALEN (1972) (0)
- A Novel (cid:3) -Peptidyl Aminopeptidase (BapA) from Strain 3-2W4 Cleaves Peptide Bonds of Synthetic (cid:3) -Tri- and (cid:3) -Dipeptides (2005) (0)
- (R)-2-(Benzyloxycarbonylamino-Methyl)-3-Phenylpropanoic Acid (Z-β2hPHE-OH): Preparation of a β2-Amino Acid with the Auxiliary Dioz (2008) (0)
- ON THE PREPARATION OF METHYL AND ETHYL (R)‐(‐)‐3‐HYDROXYVALERATE BY DEPOLYMERIZATION OF A MIXED PHB/PHV BIOPOLYMER (1984) (0)
- Derivatives of α,α,α′,α′-Tetraaryl-2,2- dimethyl-1,3-dioxolane-4,5-dimethanol (TADDOL) Containing Nitrogen, Sulfur and Phosphorus Atoms. New Ligands and Auxiliaries for Enantioselective Reactions. (2010) (0)
- ASYMMETRIC SYNTHESIS IN PHOTO-, ELECTRO-, AND ALKALI METAL-PINACOLIZATIONS OF BENZALDEHYDE AND PHENONES IN THE CHIRAL MEDIUM DDB (1977) (0)
- 2,2-Dimethyl-α,α,α′,α′-tetra(naphth-2-yl)-1,3- dioxolane-4,5-dimethanol (DINOL) for the Titanate-Mediated Enantioselective Addition of Diethylzinc to Aldehydes. (1991) (0)
- Nonreductive Enantioselective Ring Opening of N‐(Methylsulfonyl) dicarboximides with Diisopropoxytitanium α,α,α′,. alpha.′‐Tetraaryl‐1,3‐dioxolane‐4,5‐dimethanolate. (1996) (0)
- Solid-Phase Synthesis of {3-0Iigopeptides (2007) (0)
- RK. METALLIERTER NITROSAMINE MIT NITRILEN, EINE NEUE METHODE ZUR DARST. VON V-TRIAZOLEN (1973) (0)
- aminocarboxylic process for the enantioselective preparation of (alpha) -vinyl (alpha) (1985) (0)
- UMSETZUNG METALLIERTER TRIMETHYLSILYLFORMALDEHYD-THIOACETALE MIT CARBONYLVERBINDUNGEN, EINE EINFACHE METHODE GROSSER ANWENDUNGSBREITE ZUR HERSTELLUNG VON KETEN-THIOACETALEN (1973) (0)
- DOUBLY DEPROTONATED ALLYLACETOPHENONE. FIRST EXAMPLE FOR A ′DIRECT′ E5-SYNTHESIS BUILDING UNIT (1977) (0)
- Alkylations of (R,R)‐2‐tert.‐Butyl‐6‐methyl‐1,3‐dioxan‐4‐ones Which Are Not Possible with Lithium Amides May Be Achieved with a Schwesinger P4 Base. (1991) (0)
- Regioselective Generation and Diastereoselective Reactions in the β-Position of Nitro Groups of Secondary Nitroalkanes Through α,β-Doubly Deprotonated Derivatives (Super-enamines). (1986) (0)
- Stereoselective Alkylation of Glycine Units in Dipeptide Derivatives: “Chirality Transfer” via a Pivalaldehyde N,N‐Acetal Center. (1989) (0)
- ENANTIOSELECTIVE 1,2-ADDITIONS OF ORGANOLITHIUM, -MAGNESIUM, -ZINC, AND -COPPER COMPOUNDS AND LITHIUM ENOLATES TO CARBONYL COMPOUNDS IN A CHIRAL 1,4-BIS(DIMETHYLAMINO)-2,3-DIMETHOXYBUTANE MEDIUM (1979) (0)
- HYDROXYALKYLATIONS OF CYSTEINE THROUGH THE ENOLATE OF (2R,5R)-2-TERT-BUTYL-1-AZA-3-OXA-7-THIABICYCLO(3.3.0)OCTAN-4-ONE WITH SELF-REPRODUCTION OF THE CENTER OF CHIRALITY (1984) (0)
- Lithium Enolates : Capricious Structures – Reliable Reagents for Synthesis (2015) (0)
- SEKUNDAERE UND TERTIAERE PHENYLTHIO‐ UND PHENYLSELENO‐ALKYLLITHIUMVERBINDUNGEN ALS NEUARTIGE REAGENZIEN ZUR C‐C‐VERKNUEPFUNG (1975) (0)
- UMSETZUNG VON 1-BROM-1-LITHIOCYCLOPROPANEN MIT KETONEN UND ALDEHYDEN. NEUE METHODE ZUR UEBERFUEHRUNG VON OLEFINEN IN OXASPIROPENTANE, CYCLOBUTANONE, CYCLOPROPYLKETONE UND LACTONE (1975) (0)
- (3 + 3)‐Carbocyclizations of Nitroallylic Esters and Enamines with Stereoselective Formation of up to Six New Stereogenic Centers. (1991) (0)
- DARST. VON POLYALKYLMERCAPTO- UND POLYARYLMERCAPTOMETHANEN, -AETHANEN UND -AETHYLENEN AUS METALLIERTEN ORTHOTRITHIOAMEISENSAEUREESTERN (1972) (0)
- ERGIEBIGE SYNTHESE VON (+‐)‐PESTALOTIN UND (+‐)‐EPIPESTALOTIN, OPTISCH REINES (‐)‐PESTALOTIN DURCH ASYMMETRISCHE SYNTHESE (1974) (0)
- Control of Enantioselectivity Through a Hydrogen-Bonded Template in the Vanadium(V)-Catalyzed Epoxidation of Allylic Alcohols by Optically Active Hydroperoxides. (2003) (0)
- BEQUEME DARST. VON VINYLSILANEN UND DEREN VERW. ZUR KETONSYNTH. (1974) (0)
- ALKYLATION OF ISOQUINOLINE SKELETON IN THE 1-POSITION. LITHIATED 2-PIVALOYL- AND 2-BIS(DIMETHYLAMINO)PHOSPHINOYL-1,2,3,4-TETRAHYDROISOQUINOLINES (1983) (0)
- SYNTHESIS AND DETERMINATION OF THE ABSOLUTE CONFIGURATION OF PYRENOPHORIN AND VERMICULIN (1977) (0)
- Preparative Chromatographic Resolution of Synthetically Useful Cyclic Acetals. (1988) (0)
- MICHAEL-ADDITIONEN VON LITHIUMENOLATEN UND SCHWEFELSUBSTITUIERTEN LITHIUMORGANYLEN AN NITROOLEFINE (1975) (0)
- PREPARATION OF METHYL ESTERS BY TRANSESTERIFICATION OF FUNCTIONALIZED SUBSTRATES WITH TITANATE AS CATALYSTS (1982) (0)
- S‐METHYL THIOCARBOXYLATES FROM ALDEHYDES AND KETONES THROUGH KETENE THIOACETALS, REDUCTIVE NUCLEOPHILE THIOCARBONYLATION (1975) (0)
- 4-HYDROXY-2-CYCLOPENTEN-1-ONES FROM KETONES AND 3-NITROPROPIONYL CHLORIDE. A SIMPLE METHOD FOR THE SYNTHESIS OF FIVE-MEMBERED RINGS (1977) (0)
- Hoch effiziente, praparative chromatographische (2006) (0)
- UMPOLUNG DER REAKTIVITAET VON AMINEN, NUCLEOPHILE ALPHA‐SEK.‐AMINOALKYLIERUNG UEBER METALLIERTE NITROSAMINE (1975) (0)
- REACTIONS OF DILITHIONITROALKANES AND -ALLYLNITRO DERIVATIVES WITH CARBONYL COMPOUNDS (1980) (0)
- Synthesis of Chiral Building Blocks from Amino Acids and Peptides via Oxidative Electrolytic Decarboxylation and TiCl4-Induced Reaction with Nucleophiles. (1987) (0)
- REACTIONS OF (1-(NITROSAMINO)ALLYL)LITHIUM COMPOUNDS. REVERSIBILITY OF THE CARBONYL ADDITION (1977) (0)
- STEREOCHEMICAL COURSE OF ELECTROPHILIC SUBSTITUTION AT CH GROUPS IN THE α-POSITION TO THE NITROGEN ATOM OF HINDERED AMIDES (1979) (0)
- Biodegradation of cyclic and substituted linear oligomers (1995) (0)
- Catalytic Enantioselective Hydrosilylation of Ketones with Rhodium‐Phosphite Complexes Containing a TADDOLate and a Dihydrooxazole Unit. (1999) (0)
- DIRECT DIASTEREOSELECTIVE ALKYLATION OF TARTARIC ACID BY WAY OF AN ENOLATE (1982) (0)
- DOPPELT METALLIERTES 2-PROPEN-1-THIOL-THIOACROLEIN-DIANION (1974) (0)
- STEREOSELECTIVE FORMATION OF OXASPIROPENTANES AND OF SPIROPENTYL KETONES. STEREOCHEMISTRY OF NUCLEOPHILIC SUBSTITUTION OF CYCLOPROPANE (1979) (0)
- 1,3‐Dioxanone Derivatives from β‐Hydroxy‐carboxylic Acids and Pivalaldehyde. (1986) (0)
- ASYMM. INDUKTION DER PHOTOPINAKOLBLDG. IN EINEM CHIRALEN AMINOAETHER (1971) (0)
- MONO- UND BIS(PHENYLTELLURO)METHYLLITHIUM (1975) (0)
- KINETIC ANALYSIS OF THE DECOMPOSITION OF DERIVATIVES OF TRIS(ARYLTHIO)METHYLLITHIUM. PROOF FOR THE EXISTENCE OF FREE BIS(PHENYLTHIO)CARBENE IN THF SOLUTION (1979) (0)
- ETH Zürich und die Basler Chemie – eine grosse Tradition ETH Zürich und die Basler Chemie – eine grosse Tradition (2005) (0)
- The Biological Stability of {3-Peptides: No Interactions between a- and {3-Peptidic Structures? (2007) (0)
- Scalable Enantioselective Synthesis of Fmoc‐β2‐Serine and Fmoc‐β2‐Threonine by an Organocatalytic Mannich Reaction. (2015) (0)
- PREPARATION OF ETHYL (R)-(-)-3-HYDROXY-2-METHYLPROPIONATE BY YEAST REDUCTION OF ETHYL α-FORMYLPROPIONATE (1984) (0)
- Compounds Containing One or Two Sulfur-Containing Substituents and Use in Cu- Catalyzed Enantioselective Conjugate Additions to Cyclic Enones (2012) (0)
- LOW-TEMPERATURE CARBON-13 NMR SPECTROSCOPY OF ORGANOLITHIUM DERIVATIVES. STRUCTURAL INFORMATION FROM 13C-6LI COUPLING (1983) (0)
- DOPPELT METALLIERTER THIOBENZYLALKOHOL - THIOBENZALDEHYD-DIANION (1974) (0)
- ADDITION VON OXOALKAN-POLYANIONEN AN NITROOLEFINE. NEUE SYNTH. VON CYCLOHEXANONEN (1974) (0)
- Herstellung von (S)-4-Methyloxetan-2-on(β-Butyrolacton) durch Lactonisierung von (R)-3-Hydroxy-buttersäure mit Orthoessigsäure-triethylester (1990) (0)
- 1,3-Dithiane (2003) (0)
- Synthesis of (2R,3S)- or (2S,3R)-2-Amino-3-trifluoromethyl-3- hydroxyalkanoic Acid Derivatives (Threonine and allo-Threonine Analogues) from Enantiopure 4,4,4-Trifluoro-3-hydroxybutanoic Acid. (1996) (0)
- ALKYLATIVE AMINATION OF NONENOLIZABLE ALDEHYDES WITH ALKYL(DIALKYLAMINO)TITANIUM DERIVATIVES. PRELIMINARY COMMUNICATION (1983) (0)
- ASYMMETRISCHE LOESUNGSMITTELKATALYSE, 1,4‐BIS‐(DIMETHYLAMINO)‐2,3‐DIMETHOXY‐BUTAN, EIN NEUES CHIRALES MEDIUM (1970) (0)
- PHOTOELEKTRONENSPEKTREN UND MOLEKUELEIGENSCHAFTEN 32. MITT. N/PI‐KONJUGATION IN HETEROSUBSTITUIERTEN AETHYLENEN (1974) (0)
- UMWANDLUNGEN VON MICHAEL‐ADDUKTEN AN NITROOLEFINE IN CARBONYLVERBINDUNGEN, 1,4‐DIAMINOBUTANE, INDOLE UND ISOCHINOLINE (1975) (0)
- RINGOEFFNUNG VON CYCLOPROPANON-BIS-METHYLTHIO-ACETALEN ZU KETONEN UND DIMETHYLDISULFID IN TRIFLUORESSIGSAEURE, BR/SCH3-AUSTAUSCH IN DIBROMCARBENADDUKTEN (1973) (0)
- TRIS‐(PHENYLMERCAPTO)‐METHYLLITHIUM, EIN UNGEWOEHNLICHES CARBENOID (1972) (0)
- Book Review: Carbonium Ions. An Introduction. By D. Bethell and V. Gold (1969) (0)
- Investigation of Diastereoselective C,C‐Bond Formation in the 1‐Position of 1,2,3,4‐Tetrahydroisoquinolines. Part 2. EPC‐Synthesis of Tetrahydroisoquinolines by Diastereoselective Alkylation at the 1‐Position of Phenylalanine‐Derived Precursors. Synthesis of the Alkaloid (+)‐Corlumine. (1988) (0)
- 2-BIS(DIMETHYLAMINO)PHOSPHINOYL-1-LITHIO-1,2,3,4-TETRAHYDROISOQUINOLINE. A HIGHLY NUCLEOPHILIC D1-REAGENT FOR THE PREPARATION OF 1-SUBSTITUTED TETRAHYDROISOQUINOLINES (1981) (0)
- CYCLOBUTANONE AUS 1-BROM-1-LITHIO-CYCLOPROPANEN UND KETONEN (1974) (0)
- THREE NEW MODIFICATIONS OF CARBON-CARBON BOND FORMATION WITH NITROSAMINES. (GENERATION AND PREPARATION AS WELL AS REACTIONS OF POTASSIUM AND TIN DERIVATIVES, ACYLATION WITH α-KETONITRILES) (1978) (0)
- EPC Syntheses of Trifluorocitronellol and of Hexafluoropyrenophorin — A Comparison of Their Physiological Properties with the Nonfluorinated Analogues. (2000) (0)
- Aldol Addition of a Lithium Ketone Enolate with Persubstituted Double Bond. (1986) (0)
- MECHANISMUS DER ELEKTROCHEMISCHEN PINAKOLISIERUNG. DIE ERSTE ASYMMETRISCHE ELEKTROSYNTH. IN CHIRALEM MEDIUM (1975) (0)
- Preparation of (S)-4-Methyloxetan-2-one (β-Butyrolactone) by Lactonization of (R)-3-Hydroxybutyric Acid with Triethyl Orthoacetate. (1990) (0)
- ISOLIERUNG UND IDENTIFIZIERUNG VON V‐TETRAZINDERIVATEN AUS DEM ZERFALL VON NITROSAMIN‐ANIONEN (1973) (0)
- α,β-UNSATURATED CARBONYL COMPOUNDS WITH STERICALLY PROTECTED CARBONYL GROUPS - FORCED A3 VERSUS A1 REACTIVITY (1980) (0)
- TRIS-PHENYLTHIO-METHYL UND BIS-PHENYLTHIO-METHYLEN DURCH PYROLYSE VON TETRAKIS-PHENYLTHIO-METHAN UND HEXAKIS-PHENYLTHIO-AETHAN (1970) (0)
- X‐Ray Crystal Structure of the Dimeric tert.‐Butyl 2,2‐Diphenylcyclopropanecarbothioate Lithium Enolate·TMEDA Complex: An “Ordinary” Ester Enolate Containing an “Ordinary” Methylenecyclopropane Moiety (1990) (0)
- Total Synthesis of (+)-Gloeosporone: Assignment of Absolute Configuration. (1988) (0)
- Scope and Limitations of the Reductive Coupling of Aromatic Aldimine Derivatives with Formation of 1,2-Diarylethylenediamine Units, Using Low-Valent Titanium Reagents. (1989) (0)
- A SHORT SYNTHESIS OF (R,R)-(-)-PYRENOPHORIN FROM (S)-PROPYLENE OXIDE AND A 3-PENTENOIC ACID D5-REAGENT (1982) (0)
- LITHIIERTE METHYLNITROSAMINE, NUCLEOPHILE ALPHA-SEK.-AMINOMETHYLIERUNG (1975) (0)
- Selektive Herstellung von l- oder u-Aldolen aus Ethyl-trityl-keton und aromatischen Aldehyden über Lithium- bzw. (1985) (0)
- Ölverdünnung beim Ottomotor mit Direkteinspritzung (2011) (0)
- Preparation of 12‐ and 16‐Membered Macrolactones (Oligolides) from (S)‐ Malic Acid ‐ Low Molecular‐Mass Analogues of the Biopolymer Poly((S)‐ Malic Acid) (PMA). (1996) (0)
- SPINDICHTE-VERTEILUNG IN TRIS(ORGANYLTHIO)METHYL-RADIKALEN (1975) (0)
- CD Spectra in Methanol of β‐Oligopeptides Consisting of β‐Amino Acids with Functionalized Side Chains, with Alternating Configuration, and with Geminal Backbone Substituents — Fingerprints of New Secondary Structures? (2001) (0)
- SOLVOLYSEVERSUCHE MIT 7,7‐BIS‐(ALKYLMERCAPTO)‐NORCARANEN, NEUE METHODE DER HOMOLOGISIERUNG (1972) (0)
- FOUR-STEP EPC SYNTHESIS OF (+)- OR (-)-FRONTALIN FROM LACTIC ACID. A FIRST APPLICATION OF THE PRINCIPLE OF SELF-REPRODUCTION OF CHIRALITY IN NATURAL PRODUCT SYNTHESIS (1984) (0)
- Total Synthesis of Myxovirescins. Part 1. Strategy and Construction of the “Southeastern” Part (O(1)‐C(14)). (1994) (0)
- SYNTHESIS AT TEMPERATURES BELOW -80°C (1984) (0)
- Linear and Cyclic β3-Oligopeptides with Functionalized Side-Chains (-CH2OBn, -CO2Bn, -CH2CH2CO2Bn) Derived from Serine and from Aspartic and Glutamic Acid. (1999) (0)
- SYNTH. DES LITHIUMENOLATES VON (S)‐(+)‐SEK.‐BUTYL‐METHYL‐KETON UND ACYLIERUNG ZU CHIRALEN 1,3‐DIKETONEN (1972) (0)
- α,β‐DOUBLY DEPROTONATED NITROALKANES‐ SUPERENAMINES. (1976) (0)
- ′MICHAEL-ARTIGE′ ADDITION AN KONJUGIERTE KETEN-THIOACETALE (1973) (0)
- ESR-SPEKTROSKOPISCHER BEWEIS FUER DIE C-C-DISSOZIATION VON HEXAKIS(ORGANYLTHIO)AETHANEN UND DIE S-C-DISSOZIATION VON TETRAKIS(ORGANYLTHIO)METHANEN, TRIS(ORGANYLTHIO)METHYL-RADIKALE (1973) (0)
- ASYMMETRISCHE HYDRIERUNGEN MIT 1,4-BIS(DIMETHYLAMINO)-(2S,3S)- UND -(2R,3R)-BUTAN-2,3-DIOL(DBD)/LITHIUMALUMINIUMHYDRID (1974) (0)
- VCI-Umweltleitlinien: Bekräftigung des Selbstverständlichen (1986) (0)
- LITHIATION AND ELECTROPHILIC SUBSTITUTION AT α‐METHYLENE GROUPS OF NITROSAMINES. REACTIVITY UMPOLUNG OF SECONDARY AMINES (1977) (0)
- METALLIERUNG AM PRIMAEREN, SEKUNDAEREN UND TERTIAEREN C‐ATOM OFFENKETTIGER UND CYCLISCHER NITROSAMINE (1973) (0)
- (R,R)‐2‐tert‐Butyl‐5‐methyl‐1,3‐dioxolan‐4‐one (2007) (0)
- REAKTIONEN POLYMETALLIERTER CARBONYLVERBINDUNGEN MIT NITROOLEFINEN, NEUE RINGSCHLUSS- UND ANELLIERUNGSMETHODE (1975) (0)
- SYNTHESIS OF PSI SCH2-, PSI SOCH2-, AND PSI SO2CH2-PEPTIDE ISOSTERS (1995) (0)
- Enantioselective Conjugate Addition of Primary Dialkylzinc Reagents to 2-Aryl- and 2-Heteroaryl-nitroolefins Mediated by Titanium-TADDOLates, Preparation of Enantioenriched 2-Aryl-alkylamines. (1995) (0)
- GENERATION OF AND OLEFINATION WITH α-SULFUR-, -SELENIUM-, -SILICON-, AND -TIN-PERHETEROSUBSTITUTED (TRIMETHYLSILYL)METHYLLITHIUM DERIVATIVES (1977) (0)
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