Timothy D. Lash
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English-born chemist
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Chemistry
Timothy D. Lash's Degrees
- Bachelors Chemistry University of Oxford
Why Is Timothy D. Lash Influential?
(Suggest an Edit or Addition)According to Wikipedia, Timothy D. Lash is an English-born chemist. He moved to the United States and began teaching at Illinois State University in 1984. Lash is known for his contributions to synthetic porphyrin chemistry.
Timothy D. Lash'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
- Carbaporphyrinoid Systems. (2017) (109)
- Conjugated Macrocycles Related to the Porphyrins. 12.1 Oxybenzi- and Oxypyriporphyrins: Aromaticity and Conjugation in Highly Modified Porphyrinoid Structures (1998) (106)
- Oxybenziporphyrin, a Fully Aromatic Semiquinone Porphyrin Analog with Pathways for 18π‐Electron Delocalization (1995) (104)
- Recent Advances on the Synthesis and Chemistry of Carbaporphyrins and Related Porphyrinoid Systems (2007) (100)
- Porphyrin Synthesis by the “3+1” Approach: New Applications for an Old Methodology (1996) (95)
- Modification of the porphyrin chromophore by ring fusion: identifying trends due to annelation of the porphyrin nucleus (2001) (88)
- OXIDATION WITH DILUTE AQUEOUS FERRIC CHLORIDE SOLUTIONS GREATLY IMPROVES YIELDS IN THE '4+1' SYNTHESIS OF SAPPHYRINS (1999) (84)
- Azuliporphyrin: A Case of Borderline Porphyrinoid Aromaticity (1997) (81)
- Conjugated macrocycles related to the porphyrins. 21. Synthesis, spectroscopy, electrochemistry, and structural characterization of carbaporphyrins. (2002) (76)
- CONJUGATED MACROCYCLES RELATED TO THE PORPHYRINS. PART 16.1 SYNTHESIS OF HEXA- AND HEPTAALKYL-SUBSTITUTED INVERTED OR N-CONFUSED PORPHYRINS BY THE 3 + 1 METHODOLOGY (1999) (75)
- Out of the Blue! Azuliporphyrins and Related Carbaporphyrinoid Systems. (2016) (74)
- Porphyrins with Exocyclic Rings. 13.1 Synthesis and Spectroscopic Characterization of Highly Modified Porphyrin Chromophores with Fused Acenaphthylene and Benzothiadiazole Rings (1998) (73)
- Porphyrins with exocyclic rings. 14. Synthesis of tetraacenaphthoporphyrins, a new family of highly conjugated porphyrins with record-breaking long-wavelength electronic absorptions. (2000) (73)
- Oxypyriporphyrin, the First Fully Aromatic Porphyrinoid Macrocycle with a Pyridine Subunit (1996) (69)
- Metal complexes of carbaporphyrinoid systems. (2014) (66)
- In Vitro and In Vivo Studies of the Utility of Dimethyl and Diethyl Carbaporphyrin Ketals in Treatment of Cutaneous Leishmaniasis (2011) (65)
- Porphyrins with exocyclic rings. Part 21: Influence of pyrrolic and carbocyclic ring alkyl substituents on the synthesis of porphyrins bearing six-membered exocyclic rings (2005) (65)
- New riches in carbaporphyrin chemistry: silver and gold organometallic complexes of benzocarbaporphyrins. (2004) (64)
- Organometallic chemistry of azuliporphyrins: synthesis, spectroscopy, electrochemistry, and structural characterization of nickel(II), palladium(II), and platinum(II) complexes of azuliporphyrins. (2003) (63)
- Origin of aromatic character in porphyrinoid systems (2011) (62)
- Silver(III) carbaporphyrins: the first organometallic complexes of true carbaporphyrins. (2002) (62)
- Carbaporphyrinoid chemistry has a silver lining! silver(III) oxybenzi-, oxynaphthi-, tropi-, and benzocarbaporphyrins. (2004) (60)
- Neo-confused porphyrins, a new class of porphyrin isomers. (2011) (59)
- Synthesis of sapphyrins, heterosapphyrins, and carbasapphyrins by a "4 + 1" approach. (2004) (55)
- Synthesis, spectroscopy, and reactivity of meso-unsubstituted azuliporphyrins and their heteroanalogues. Oxidative ring contractions to carba-, oxacarba-, thiacarba-, and selenacarbaporphyrins. (2004) (55)
- Palladium (II) complexes of oxybenziporphyrin. (2001) (54)
- Aromatic and nonaromatic pyriporphyrins. (2007) (54)
- Benziporphyrins, a unique platform for exploring the aromatic characteristics of porphyrinoid systems. (2015) (54)
- Porphyrins with Exocyclic Rings. 11.1 Synthesis and Characterization of Phenanthroporphyrins, a New Class of Modified Porphyrin Chromophores (1998) (53)
- An azulene analogue of the tripyrranes and carbaporphyrinoids therefrom. (2002) (53)
- Porphyrins with exocyclic rings. 2. Synthesis of geochemically significant tetrahydrobenzoporphyrins from 4,5,6,7-tetrahydro-2H-isoindoles (1992) (53)
- Synthesis and reactivity of carbachlorins and carbaporphyrins. (2014) (52)
- Carbaporphyrin ketals as potential agents for a new photodynamic therapy treatment of leishmaniasis. (2008) (52)
- Synthesis of Tetraphenyltetraacenaphthoporphyrin: A New Highly Conjugated Porphyrin System with Remarkably Red-Shifted Electronic Absorption Spectra (1996) (52)
- Tropiporphyrins, cycloheptatrienyl analogues of the porphyrins: synthesis, spectroscopy, chemistry, and structural characterization of a silver(III) derivative. (2004) (50)
- Syntheses and reactivity of meso-unsubstituted azuliporphyrins derived from 6-tert-butyl- and 6-phenylazulene. (2007) (49)
- Adaptation of the Rothemund reaction for carbaporphyrin synthesis: preparation of meso-tetraphenylazuliporphyrin and related benzocarbaporphyrins. (2002) (49)
- Porphyrin synthesis by the “3 + 1” methodology: A superior approach for the preparation of porphyrins with fused 9,10-phenanthroline subunits (1995) (48)
- Conjugated macrocycles related to the porphyrins. Part 7.1 Tropiporphyrin: Tropylium versus porphyrinoid aromaticity (1996) (46)
- Tetraphenanthro[9,10‐b:9,10‐g:9,10‐l:9,10‐q]‐porphyrin, a New Highly Conjugated Porphyrin System (1995) (46)
- Synthesis of Pyrroles from Benzyl Isocyanoacetate (1994) (46)
- Towards hydrocarbon analogues of the porphyrins: synthesis and spectroscopic characterization of the first dicarbaporphyrin† (1999) (44)
- Synthesis of isomeric angularly annealed dinaphthoporphyrin systems: examination of the relative positioning and orientation of ring fusion as factors influencing the porphyrin chromophore. (2005) (43)
- Porphyrins with exocyclic rings. Part 9 [1] Synthesis of porphyrins by the ‘3 + 1’ approach (1997) (43)
- Oxybenziporphyrins, oxypyriporphyrins, benzocarbaporphyrins, and their 23-oxa and 23-thia analogues: synthesis, spectroscopic characterization, metalation, and structural characterization of a palladium(II) organometallic derivative. (2004) (43)
- Synthesis and characterization of tetraphenyl-21,23-dideazaporphyrin: the best evidence yet that porphyrins really are the [18]annulenes of nature. (2010) (42)
- Tetraaryldimethoxybenziporphyrins. At the edge of carbaporphyrinoid aromaticity. (2007) (42)
- Porphyrins with exocyclic rings. 15.(1) synthesis of quino- and isoquinoporphyrins, aza analogues of the naphthoporphyrins. (2000) (41)
- Proline betaine is a highly effective osmoprotectant for Staphylococcus aureus (1995) (41)
- Association of Acenaphthoporphyrins with Liposomes for the Photodynamic Treatment of Leishmaniasis (2010) (41)
- Unusual Peroxide-Dependent, Heme-Transforming Reaction Catalyzed by HemQ. (2015) (41)
- Synthesis of phenanthropyrroles and phenanthrolinopyrroles from isocyanoacetates: An extension of the barton-zard pyrrole condensation (1994) (41)
- SYNTHESIS OF THE FIRST EXPANDED CARBAPORPHYRINOID BY THE 4 + 1 APPROACH (1998) (41)
- Organometallic chemistry of carbaporphyrinoids: synthesis and characterization of nickel(II) and palladium(II) azuliporphyrins. (2002) (41)
- Oxidative metalation of azuliporphyrins with copper(II) salts: formation of a porphyrin analogue system with a unique fully conjugated nonaromatic azulene subunit. (2004) (39)
- Porphyrins with exocyclic rings. 16. Synthesis and spectroscopic characterization of fluoranthoporphyrins, a new class of highly conjugated porphyrin chromophores. (2001) (38)
- Geochemical origins of sedimentary benzoporphyrins and tetrahydrobenzoporphyrins (1993) (38)
- Calix[4]azulene. (2002) (38)
- adj-Diazuliporphyrins, a new family of dicarbaporphyrinoids with unprecedented mesoionic characteristics. (2009) (37)
- Further Studies on the Synthesis of meso‐Tetraarylazuliporphyrins under Lindsey−Rothemund Reaction Conditions and Their Conversion into Benzocarbaporphyrins (2003) (37)
- The azuliporphyrin-carbaporphyrin connection† (1998) (36)
- Adding to the confusion! Synthesis and metalation of pyrazole analogues of the porphyrins. (2008) (35)
- Porphyrins with exocyclic rings. Part 19: Efficient syntheses of phenanthrolinoporphyrins (2005) (35)
- Synthesis, structural characterization, aromatic characteristics, and metalation of neo-confused porphyrins, a newly discovered class of porphyrin isomers. (2014) (35)
- Conjugated macrocycles related to the porphyrins. Part 18: Synthesis and spectroscopic characterization of electron-rich benzi- and oxybenziporphyrins: influence of steric and electronic factors on porphyrinoid aromaticity ☆ (2001) (35)
- Unexpected alkyl group migration in palladium(II) benzocarbaporphyrins. (2011) (34)
- Influence of carbocyclic rings on porphyrin cyclizations : synthesis of geochemically significant cycloalkanoporphyrins (1990) (34)
- Synthesis of Novel Pyrrolic Compounds from Nitroarenes and Isocyanoacetates Using a Phosphazene Superbase (2000) (33)
- Regioselective oxidations of benzocarbaporphyrins with ferric chloride: a facile synthesis of bridged [18]annulene ketals with strong absorptions in the far red and an unexpected halogenation reaction at the interior carbon atom. (2003) (33)
- Synthesis and reactivity of N-methyl and N-phenyl meso-unsubstituted N-confused porphyrins. (2008) (33)
- Porphyrin on a half-shell! Synthesis and characterization of corannulenoporphyrins. (2010) (32)
- Conjugated macrocycles related to the porphyrins. 25. Proton NMR spectroscopic evidence for a preferred [18]annulene substructure in carbaporphyrins from the magnitude of selected 4J(H,H) CH=C-CH3 coupling constants. (2003) (32)
- VERSATILE 3 + 1 SYNTHESES OF ACENAPHTHOPORPHYRINS, A NEW FAMILY OF HIGHLY CONJUGATED TETRAPYRROLES (1996) (31)
- Iridium(III) azuliporphyrins. (2012) (31)
- New highly conjugated porphyrin chromophores: Synthesis of mono- and diphenanthroporphyrins (1995) (31)
- Fulvene dialdehyde strategy for adj-dicarbaporphyrinoid synthesis: preparation of a 22-carbaazuliporphyrin. (2007) (30)
- Synthesis of an adj-dicarbaporphyrin and the formation of an unprecedented tripalladium sandwich complex. (2014) (30)
- Facile oxidation of a carbaporphyrin at the internal carbon atom: synthesis of novel benzo[18]annulene ketals† (1998) (30)
- Surfactant-enhanced partitioning of nickel and vanadyl deoxophylloerythroetioporphyrins from crude oil into water and their analysis using surface-enhanced resonance raman spectroscopy (2000) (30)
- Relative stability and diatropic character of carbaporphyrin, dicarbaporphyrin, tricarbaporphyrin, and quatyrin tautomers. (2013) (30)
- Preparation of azulene-derived fulvenedialdehydes and their application to the synthesis of stable adj-dicarbaporphyrinoids. (2012) (30)
- Tetraphenyloxybenziporphyrin, a new organometallic ligand for silver(III) and gold(III). (2006) (30)
- Porphyrins with exocyclic rings. Part 3. A reassessment on the utility of cyclopenta[b]pyrroles in the synthesis of porphyrin molecular fossils. Preparation of three type II porphyrins related to deoxophylloerythroetioporphyrin (DPEP). (1993) (29)
- Porphyrins with exocyclic rings. Part 22: Synthesis of deoxophylloerythroetioporphyrin (DPEP), three ring homologues, and five related nonpolar bacteriopetroporphyrins using a western ring closure and an improved b-bilene methodology ☆ (2007) (29)
- Synthesis of novel porphyrin chromophores from nitroarenes: Further applications of the Barton-Zard pyrrole condensation (1997) (29)
- Porphyrins with exocyclic rings. 1. Chemistry of 4,5,6,7-tetrahydro-1H-indoles: synthesis of acetoxy derivatives, dihydroindoles, and novel porphyrins with four exocyclic rings (1992) (28)
- Preparation of tripyrrane analogues from resorcinol and 2-methylresorcinol for applications in the synthesis of new benziporphyrin systems. (2004) (27)
- Synthesis of indenoporphyrins, highly modified porphyrins with reduced diatropic characteristics. (2011) (27)
- The enigma of coproporphyrinogen oxidase: how does this unusual enzyme carry out oxidative decarboxylations to afford vinyl groups? (2005) (27)
- Synthesis of dinaphthoporphyrins from dihydronaphtho[1,2-c]pyrroles (1994) (26)
- Synthesis, spectroscopy and metallation of mixed carbaporphyrinoid systems. (2002) (26)
- Porphyrins with exocyclic rings. Part 5. Synthesis of a naphtho[1,2-b]porphyrin. (1995) (26)
- Pyrazole analogues of porphyrins and oxophlorins. (2011) (26)
- Normal and Abnormal Heme Biosynthesis. 1. Synthesis and Metabolism of Di- and Monocarboxylic Porphyrinogens Related to Coproporphyrinogen-III and Harderoporphyrinogen: A Model for the Active Site of Coproporphyrinogen Oxidase (1999) (26)
- Synthetic and biosynthetic studies of porphyrins, Part IV. Further studies of the conversion of corporporhyrinogen-III to protoporphyrin-IX: mass spectrometric investigations of the incubation of specifically deuteriated coproporhyringen-III with chicken red cell haemolysates. (1980) (26)
- Preparation of furan and thiophene-derived fulvene dialdehydes: synthesis and structural characterization of a 22-oxa-21-carbaporphyrin and a related palladium(II) organometallic complex. (2010) (25)
- Synthesis of benziporphyrins and heterobenziporphyrins and an assessment of the diatropic characteristics of the protonated species. (2013) (25)
- Carbaporphyrins, porphyrin isomers and the legacy of Emanuel Vogel (2012) (25)
- Fingerprinting Petroporphyrin Structures with Vibrational Spectroscopy. 4. Resonance Raman Spectra of Nickel(II) Cycloalkanoporphyrins: Structural Effects Due To Exocyclic Ring Size. (1996) (25)
- Synthesis and metalation of dimethoxybenziporphyrins, thiabenziporphyrins, and dibenziporphyrins. (2014) (25)
- An improved synthesis of pyrroles from N-p-toluenesulfonylglycine esters and α,β-unsaturated aldehydes and ketones (1991) (25)
- Porphyrins with exocyclic rings. Part 24. Synthesis and spectroscopic properties of pyrenoporphyrins, potential building blocks for porphyrin molecular wires (2010) (25)
- Synthesis of a series of aromatic benziporphyrins and heteroanalogues via tripyrrane-like intermediates derived from resorcinol and 2-methylresorcinol. (2011) (25)
- Synthesis of benzyl and tert‐butyl 3‐(2‐methoxycarbonylethyl)‐4‐methylpyrrole‐2‐carboxylates from methyl 4‐oxobutanoate (1994) (24)
- Benzo[1,2-c:3,4-c']bis[1,2,5]selenadiazole, [1,2,5]selenadiazolo-[3,4-e]-2,1,3-benzothiadiazole, furazanobenzo-2,1,3 -thiadiazole, furazanobenzo-2,1,3-selenadiazole and related heterocyclic systems (2004) (24)
- Synthesis and Reactivity of 23‐tert‐Butyl‐ and 23‐Phenyltetraarylazuliporphyrins: an Analysis of the Effect of Bulky Substituents on Oxidative Ring Contractions to Benzocarbaporphyrins (2007) (23)
- Synthesis and origins of the methylpropanoporphyrins from Serpiano Oil Shale (1990) (22)
- Rhodium(III) Azuliporphyrins (2015) (22)
- Fingerprinting petroporphyrin structures with vibrational spectroscopy: II. Resonance Raman marker bands for the exocyclic rings of nickel tetrahydrobenzoporphyrins and nickel cycloalkanoporphyrins (1995) (22)
- Role of aspartate 400, arginine 262, and arginine 401 in the catalytic mechanism of human coproporphyrinogen oxidase (2007) (21)
- Porphyrins with exocyclic rings. Part 10. Synthesis of meso,β-propanoporphyrins from 4,5,6,7-tetrahydro-1H-indoles (1998) (21)
- Total synthesis of the porphyrin mineral abelsonite and related petroporphyrins with five-membered exocyclic rings ☆ (2003) (21)
- Porphyrins with exocyclic rings. Part 4. An improved one step synthesis of cyclopenta[b]pyrroles†‡ (1993) (21)
- Porphyrins with exocyclic rings. Part 20: Synthesis and spectroscopic characterization of porphyrins with fused 2,1,3-benzoxadiazole and 2,1,3-benzoselenadiazole moieties (2005) (21)
- New Application for Expanded Porphyrins: Sapphyrin and Heterosapphyrins as Inhibitors of Leishmania Parasites (2012) (21)
- Synthesis of the porphyrins from petroleum (1989) (21)
- Improved syntheses of meso-tetraarylbenziporphyrins and observations of substituent effects on the diatropic characteristics of these formally nonaromatic carbaporphyrinoids☆ (2009) (20)
- Action of uroporphyrinogen decarboxylase on uroporphyrinogen-III: a reassessment of the clockwise decarboxylation hypothesis. (1991) (20)
- Synthesis of aromatic dicarbaporphyrinoids from resorcinol and 2-methylresorcinol (2006) (19)
- Fingerprinting Petroporphyrin Structures with Vibrational Spectroscopy. 3. Resonance Raman Characterization of Regioisomers of Nickel(II) Tetrahydrobenzoporphyrin (1995) (19)
- Aromatic character and relative stability of neo-confused porphyrin tautomers and related compounds. (2013) (19)
- Total synthesis of the C31 and C32 15,17-butanoporphyrins from oil shales (1989) (18)
- Synthesis of a meso, β -pentanoporphyrin related to the petroporphyrins (1987) (18)
- [22]Porphyrin-(3.1.1.3), a new vinylogous expanded porphyrin system. (2006) (18)
- Synthesis of a neo-confused porphyrin and an unusual dihydroporphyrin derivative. (2013) (18)
- On the modifying influence of six-membered carbocyclic rings in porphyrin cyclizations: synthesis of meso, β-propanoporphyrins (1988) (17)
- Synthesis of a tetraazulene porphodimethene analogue. (2009) (17)
- Syntheses of Novel Porphyrinoid Chromophores (2003) (17)
- What’s in a name? The MacDonald condensation (2016) (17)
- Porphyrins with exocyclic rings. Part 25: synthesis of porphyrins with a fused cyclic ether subunit from tetrahydro-4H-pyan-4-one (2010) (17)
- Synthesis of Expanded Porphyrinoids with Azulene and Indene Subunits and an opp-Dioxadicarbaporphyrin from Fulvene Carbinols and a Dioxacarbatripyrrin. (2018) (17)
- Fingerprinting petroporphyrin structures with vibrational spectroscopy. Part 6: resonance Raman characterization of regioisomers of nickel(II) benzoetioporphyrin (2002) (17)
- Tert-butyl-substituted tripyrranes: insights into the steric and conformational factors that influence porphyrinoid ring formation in the "3 + 1" methodology. (2003) (17)
- Porphyrins with exocyclic rings. Part 12. Synthesis of meso,β-butano- and meso,β-pentanoporphyrins from cycloalka[b]pyrroles (1998) (16)
- Synthesis and Properties of Carbaporphyrin and Carbachlorin Dimethyl Esters Derived from Cyclopentanedialdehydes. (2017) (16)
- Synthetic and biosynthetic studies of porphyrins. Part 7. The action of coproporphyrinogen oxidase on coproporphyrinogen-IV: syntheses of protoporphyrin-XIII, mesoporphyrin XIII, and related tricarboxylic porphyrins (1987) (16)
- Fingerprinting petroporphyrin structures with vibrational spectroscopy. Part 5. Structural influences of the porphyrin 13-alkyl substituent on resonance Raman scattering from nickel(II) cycloalkanoporphyrins (1999) (15)
- Naphtho[2,3- b]carbaporphyrins. (2018) (15)
- Normal and abnormal heme biosynthesis. Part 7. Synthesis and metabolism of coproporphyrinogen-III analogues with acetate or butyrate side chains on rings C and D. Development of a modified model for the active site of coproporphyrinogen oxidase. (2011) (15)
- Preparation, structural characterization, assessment of potential antiaromaticity and metalation of 21-oxyazuliporphyrins. (2015) (15)
- Pyreniporphyrins: Porphyrin Analogues That Incorporate a Polycyclic Aromatic Hydrocarbon Subunit within the Macrocyclic Framework. (2017) (15)
- Mechanochemical formation of a 1:1 C60: tert-butylcalix[4]azulene supramolecular complex: solid-state NMR and DFT computational studies (2016) (15)
- Normal and abnormal heme biosynthesis. 3.(1)Synthesis and metabolism of tripropionate analogues of coproporphyrinogen-III: novel probes for the active site of coproporphyrinogen oxidase. (2001) (15)
- Relative stability of benziporphyrin and naphthiporphyrin tautomers and the emergence of macrocyclic diatropicity. (2014) (15)
- Normal and Abnormal Heme Biosynthesis. 2.1 Synthesis and Metabolism of Type-III Pentacarboxylic Porphyrinogens: Further Experimental Evidence for the Enzymic Clockwise Decarboxylation of Uroporphyrinogen-III (1999) (15)
- Synthesis of a Porphyrin with Fused Five- and Seven-membered Exocyclic Rings from a Cross-conjugated Tetracyclic Dipyrrole (1994) (14)
- Further observations on conformational and substituent effects in acid-catalyzed "3 + 1" cyclizations of tripyrranes with aromatic dialdehydes. (2012) (14)
- MacDonald-type reactions using bis-acrylaldehydes: synthesis of an expanded sapphyrin and vinylogous hexaphyrins. (2009) (13)
- Normal and abnormal heme biosynthesis. 6. Synthesis and metabolism of a series of monovinylporphyrinogens related to harderoporphyrinogen. Further insights into the oxidative decarboxylation of porphyrinogen substrates by coproporphyrinogen oxidase. (2010) (13)
- Tropone-fused carbaporphyrins. (2014) (13)
- Conjugated macrocycles related to the porphyrins. Part 2. Further synthetic and spectroscopic studies on difuryl analogs of the oxophlorins (1991) (13)
- Synthesis of deoxophylloerythroetioporphyrin (DPEP) and three ring homologs by an improved b-bilene methodology (1998) (12)
- Synthesis of the chlorin macrocycle by the ‘3 + 1’ approach (2000) (12)
- Comparison of two assay methods for activities of uroporphyrinogen decarboxylase and coproporphyrinogen oxidase. (2003) (12)
- Two-step synthesis of stable dioxadicarbaporphyrins from bis(3-indenyl)methane. (2012) (12)
- In Pursuit of Novel Porphyrin Isomers. Aromatic Character and Relative Stability of Conjugated Tetrapyrroles with Two Neo-Confused Rings or with Mixed Neo-Confused and N-Confused Subunits. (2015) (12)
- Metalation and Selective Oxidation of Diphenyl-23-oxa-, -thia-, and -selena-21-carbaporphyrins. (2017) (12)
- Syntheses of Carbaporphyrinoid Systems Using a Carbatripyrrin Methodology. (2015) (12)
- Kinetic studies of novel di- and tri-propionate substrates for the chicken red blood cell enzyme coproporphyrinogen oxidase. (2002) (12)
- Rhodium(i), rhodium(iii) and iridium(iii) carbaporphyrins. (2016) (11)
- Promotion of organic reactions by ultrasound: Coupling of alkyl and aryl halides in the presence of lithium metal and ultrasound (1985) (11)
- adj-Dicarbachlorin, the first free base carbaporphyrinoid system with an internal methylene unit. (2015) (11)
- Recent advances in the synthesis of porphyrins with five-membered exocyclic rings (1993) (11)
- Synthesis of porphyrins with four exocyclic rings from 4,5,6,7-tetrahydroindoles (1987) (11)
- Carbaporphyrinoids: Taking the Heterocycle Out of Nature's [18]Annulene (2000) (11)
- Synthesis, structural characterization and reactivity of heteroazuliporphyrins. (2014) (11)
- Metalation and Methyl Group Migration in 21-, 22-, and 23-Methylcarbaporphyrins: Synthesis and Characterization of Palladium(II), Rhodium(I), and Rhodium(III) Derivatives (2019) (11)
- Tropylium and Porphyrinoid Character in Carbaporphyrinoid Systems. Relative Stability and Aromatic Characteristics of Azuliporphyrin and Tropiporphyrin Tautomers, Protonated Species, and Related Structures. (2018) (10)
- Unprecedented overmetabolism of a porphyrinogen substrate by coproporphyrinogen oxidase. (2002) (10)
- Metalation of Carbaporphyrinoid Systems (2010) (10)
- Reactivity of 1-Aza-1,4,5,6-tetrahydroazulenes and their Utility in the Preparation of Dipyrrolic Intermediates Needed for Petroporphyrin Synthesis (1994) (10)
- Synthetic and biosynthetic studies of porphyrins. Part 9. Synthesis of isocoproporphyrin, dehydroisocoproporphyrin, and de-ethylisocoproporphyrin (1987) (10)
- Porphyrins with exocyclic rings. Part 8. Synthesis of nitrogen-15 and carbon-13 labeled 2,3:7,8:12,13:17,18-tetrabutanoporphyrin†‡§ (1997) (10)
- Dicarbaporphyrinoid systems. Synthesis of oxo-adj-dibenziphlorins. (2013) (9)
- Azulichlorins and Benzocarbachlorins Derived Therefrom. (2019) (9)
- Synthetic substrates for coproporophyrinogen oxidase: mesoporphyrinogen-VI revisited (1994) (9)
- Metabolism of pentacarboxylate porphyrinogens by highly purified human coproporphyrinogen oxidase: further evidence for the existence of an abnormal pathway for heme biosynthesis. (2005) (9)
- Synthetic and biosynthetic studies of porphyrins, Part V. Evidence for an alternative pathway in the biosynthesis of haem. (1980) (9)
- Conjugated macrocycles related to the porphyrins. 4. Synthesis of a 23,24-dioxa-5-oxophlorin (1992) (9)
- Infrared spectroscopy of geoporphyrins (1998) (8)
- Infrared spectroscopy of geoporphyrins: II. Iron etioporphyrins: model studies for the analysis of lignites and coals (1998) (8)
- Rhodium Complexes of Carbaporphyrins, Carbachlorins, adj-Dicarbaporphyrins, and an adj-Dicarbachlorin. (2019) (8)
- H.p.l.c. analysis of di- and tri-carboxylic porphyrins in porphyric patients. (1985) (8)
- Effect of covalent modification on coproporphyrinogen oxidase from chicken red blood cells. (1997) (8)
- Carbaporphyrins and Related Systems. Synthesis, Characterization, Reactivity and Insights into Porphyrinoid Aromaticity (2013) (7)
- Synthesis of Azulitriphyrins(1.2.1) and Related Benzocarbatriphyrins. (2019) (7)
- Synthesis of a difuryl analog of the oxophlorins (1983) (7)
- The use of Pascal-like triangles in describing first order NMR coupling patterns (1987) (7)
- Telluracarbaporphyrins and a Related Palladium(II) Complex: Evidence for Hypervalent Interactions. (2021) (7)
- Regioselective oxidation and metalation of meso-unsubstituted azuliporphyrins. (2016) (7)
- Conjugated macrocycles related to the porphyrins. Part 3 . Acid catalyzed condensations of thiophenecarboxaldehydes with a dipyrrylmethane (1992) (7)
- Transport of thiamine and 4-methyl-5-hydroxyethylthiazole by Salmonella typhimurium. (1983) (7)
- Synthesis and Characterization of N-Methylporphyrins, Heteroporphyrins, Carbaporphyrins and Related Systems. (2020) (6)
- Transport of 2-methyl-4-amino-5-hydroxymethylpyrimidine by Salmonella typhimurium. (1983) (6)
- (23‐tert‐Butyl‐5,10,15,20‐tetraphenylazuliporphyrinato)palladium(II) dichloromethane solvate (2007) (6)
- Preparation of stable fulvene and difulvene aldehydes from benzaldehydes and an indene-derived enamine: formation of novel indene-fused benzodiazepines and attempted syntheses of di- and tricarbaporphyrinoid systems (2009) (6)
- Porphyrins with exocyclic rings. Part 23: Synthesis of porphyrins with large exocyclic rings—cyclohexadeca[b]pyrroles and porphyrins therefrom (2007) (6)
- One step synthesis of dihydropyrrolo[3,2‐e]indoles from 1,4‐cyclohexanedione (1993) (6)
- Metabolism of analogues of coproporphyrinogen-III with modified side chains: implications for binding at the active site of coproporphyrinogen oxidase. (2002) (5)
- Syntheses of per-15N labeled etioporphyrins I–IV and a related tetrahydrobenzoporphyrin for applications in organic geochemistry and vibrational spectroscopy (2005) (5)
- Conjugated Macrocycles Related to the Porphyrins. Part 11. The Azuliporphyrin—Carbaporphyrin Connection. (1998) (5)
- Normal and abnormal heme biosynthesis Part 4: Molecular dynamics simulations of coproporphyrinogen-III and related di- and tricarboxylic acids (2005) (5)
- Synthesis and Oxidation of Internally Chlorinated Carbachlorins (2017) (5)
- Ion Association Assisted Lithium Ion "Claw" (1999) (4)
- Carbaporphyrinoids: Taking the Heterocycle Out of Nature′s [18]Annulene (2000) (4)
- An effective chromatographic separation of chicken red blood cell coproporphyrinogen oxidase and uroporphyrinogen decarboxylase, two enzymes in heme biosynthesis. (2004) (4)
- Kinetic evaluation of human cloned coproporphyrinogen oxidase using a ring isomer of the natural substrate. (2005) (4)
- Porphyrin Synthesis by the “3 + 1” Methodology: A Superior Approach for the Preparation of Porphyrins with Fused 9,10‐Phenanthroline Subunits. (1996) (3)
- Extended porphyrinoid chromophores: heteroporphyrins fused to phenanthrene and acenaphthylene (2021) (3)
- Late transition metal complexes of oxypyriporphyrin and the platinum(II) complex of oxybenziporphyrin (2017) (2)
- Synthesis of a Series of Tropone-Fused Porphyrinoids. (2022) (2)
- Conjugated Macrocycles Related to the Porphyrins. Part 7. Tropiporphyrin: Tropylium versus Porphyrinoid Aromaticity. (1997) (2)
- Synthesis of 2-bromo- and 2-phenyl-neo-confused porphyrins. (2020) (2)
- adj-Dicarbaporphyrinoid Systems: Synthesis, Spectroscopic Characterization and Reactivity of 23-Carbabenziporphyrins. (2019) (2)
- Porphyrins with Exocyclic Rings. Part 6. Tetraphenanthro(9,10‐b:9,10‐g: 9,10‐l:9,10‐q)‐porphyrin, a New Highly Conjugated Porphyrin System. (1995) (2)
- Book Review: The Chemistry of Heterocycles. By T. Eicher and S. Hauptmann (1997) (2)
- Nitric Oxide Production within Leishmania tarentolae Axenic Promastigotes and Amastigotes is Induced by Carbaporphyrin Ketals (2016) (2)
- Exploring the limitations of the MacDonald ‘3 + 1’ condensation in the preparation of porphyrins with fused electron-withdrawing heterocyclic rings: Synthesis of a bis(thiadiazolo)benzoporphyrin and a related benzocarbaporphyrin (2020) (2)
- Generation of glyoxylate in methylotrophic bacteria (1981) (2)
- Coordination Chemistry of Modified Porphyrinoid Systems. (2022) (2)
- Metal Complexes of Carbaporphyrinoid Systems (2015) (2)
- Oxyquinoliziniporphyrins: Introduction of a Heterocyclic Dimension to Carbaporphyrinoid Systems. (2022) (2)
- Normal and Abnormal Heme Biosynthesis. Part 1. Synthesis and Metabolism of Di‐ and Monocarboxylic Porphyrinogens Related to Coproporphyrinogen‐III and Harderoporphyrinogen: A Model for the Active Site of Coproporphyrinogen Oxidase. (1999) (2)
- Porphyrins with Exocyclic Rings. Part 21. Influence of Pyrrolic and Carbocyclic Ring Alkyl Substituents on the Synthesis of Porphyrins Bearing Six‐Membered Exocyclic Rings. (2006) (2)
- Organometallic Chemistry within the Structured Environment Provided by the Macrocyclic Cores of Carbaporphyrins and Related Systems (2023) (1)
- Conjugated Macrocycles Related to the Porphyrins. Part 6. Oxypyriporphyrin, the First Fully Aromatic Porphyrinoid Macrocycle with a Pyridine Subunit. (1996) (1)
- Benziporphyrins, a Unique Platform for Exploring the Aromatic Characteristics of Porphyrinoid Systems (2015) (1)
- Porphyrins with Exocyclic Rings. Part 11. Synthesis and Characterization of Phenanthroporphyrins, a New Class of Modified Porphyrin Chromophores. (1998) (1)
- Synthesis, metalation and antiaromatic properties of 22-hydroxybenziporphyrins (2021) (1)
- Synthesis and Reactivity of 23‐tert‐Butyl‐ and 23‐Phenyltetraarylazuliporphyrins: an Analysis of the Effect of Bulky Substituents on Oxidative Ring Contractions to Benzocarbaporphyrins (Eur. J. Org. Chem. 24/2007) (2007) (1)
- Alkylation, metalation and ring contraction of tropiporphyrin (2020) (1)
- Porphyrins with Exocyclic Rings. Part 19. Efficient Syntheses of Phenanthrolinoporphyrins. (2006) (1)
- PORPHYRINS WITH EXOCYCLIC RINGS. V: SYNTHESIS OF A NAPHTHO1,2-BPORPHYRIN (1995) (1)
- Conjugated Macrocycles Related to the Porphyrins. Part 5. Oxybenziporphyrin, a Fully Aromatic Semiquinone Porphyrin Analogue with Pathways for 18π-Electron Delocalization. (1996) (1)
- Alphabet soup within a porphyrinoid cavity: synthesis of heterocarbaporphyrins with CNNO, CNOO, CNSO and CNSeO Cores from an oxacarbatripyrrin. (2018) (1)
- Porphyrins with Exocyclic Rings. Part 16. Synthesis and Spectroscopic Characterization of Fluoranthoporphyrins, a New Class of Highly Conjugated Porphyrin Chromophores. (2001) (1)
- Synthesis of Chrysoporphyrins and a Related Benzopyrene-Fused System. (2022) (1)
- Organic Chemistry, Third Edition (Carey, Francis A.) (1996) (1)
- Use of di- and tripropionate substrate analogs to probe the active site of human recombinant coproporphyrinogen oxidase. (2008) (1)
- An alternative synthesis of benziporphyrins starting from isophthaloyl chloride (2017) (1)
- Porphyrins with Exocyclic Rings. Part 1. Chemistry of 4,5,6,7‐ Tetrahydro‐1H‐indoles: Synthesis of Acetoxy Derivatives, Dihydroindoles, and Novel Porphyrins with Four Exocyclic Rings. (1993) (1)
- Ultrasound in the undergraduate lab (1985) (1)
- Synthesis of internally alkylated azuliporphyrins (2020) (1)
- Synthesis of Deoxophylloerythroetioporphyrin (DPEP) (Ia) and Three Ring Homologues by an Improved b-Bilene Methodology. (1999) (0)
- CCDC 836967: Experimental Crystal Structure Determination (2011) (0)
- One‐Step Synthesis of Dihydropyrrolo(3,2‐e)indoles from 1,4‐ Cyclohexanedione. (1993) (0)
- Synthetic and Biosynthetic Studies of Porphyrins. Part 9. Synthesis of Isocoproporphyrin, Dehydroisocoproporphyrin, and De-ethylisocoproporphyrin. (1987) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 3. Acid‐ Catalyzed Condensations of Thiophenecarboxaldehydes with a Dipyrrylmethane. (1992) (0)
- Porphyrin Synthesis by the “3 + 1” Approach: New Applications for an Old Methodology (1997) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 17. Oxidation with Dilute Aqueous Ferric Chloride Solutions Greatly Improves Yields in the [4 + 1] Synthesis of Sapphyrins. (1999) (0)
- Out of the Blue! Azuliporphyrins and Related Azulene-Containing Porphyrinoids (2015) (0)
- An Improved Synthesis of Pyrroles from N‐p‐Toluenesulfonylglycine Esters and α,β‐Unsaturated Aldehydes and Ketones. (1992) (0)
- Synthesis of adj-Dicarbaporphyrinoids (2008) (0)
- Porphyrins with Exocyclic Rings. Part 23. Synthesis of Porphyrins with Large Exocyclic Rings—Cyclohexadeca[b]pyrroles and Porphyrins Therefrom. (2008) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 24. Synthesis, Spectroscopy and Metalation of Mixed Carbaporphyrinoid Systems. (2003) (0)
- Normal and Abnormal Heme Biosynthesis. Part 2. Synthesis and Metabolism of Type-III Pentacarboxylic Porphyrinogens: Further Experimental Evidence for the Enzymic Clockwise Decarboxylation of Uroporphyrinogen-III. (1999) (0)
- Out of the Blue! Azuliporphyrins and Related Carbaporphyrinoid Systems (2016) (0)
- Synthesis of Porphyrins with Four Exocyclic Rings from 4,5,6,7-Tetrahydroindoles. (1987) (0)
- Synthesis of Novel Pyrrolic Compounds from Nitroarenes and Isocyanoacetates Using a Phosphazene Superbase. (2000) (0)
- Unusual Levels of Oxygen Consumption by Coproporphyrinogen Oxidase (2006) (0)
- Giant Porphyrinoids: From Figure Eights to Nanomolecular Cavities (2000) (0)
- Porphyrins with Exocyclic Rings. Part 14. Synthesis of Tetraacenaphthoporphyrins, a New Family of Highly Conjugated Porphyrins with Record-Breaking Long-Wavelength Electronic Absorptions. (2010) (0)
- Porphyrins with Exocyclic Rings. Part 2. Synthesis of Geochemically Significant Tetrahydrobenzoporphyrins from 4,5,6,7-Tetrahydro-2H- isoindoles. (1993) (0)
- PORPHYRINS WITH EXOCYCLIC RINGS. PART 12.1 SYNTHESIS OF MESO, BETA -BUTANO- AND MESO, BETA -PENTANOPORPHYRINS FROM CYCIOALKABPYRROLES (1998) (0)
- New Highly Conjugated Porphyrin Chromophores: Synthesis of Mono‐ and Diphenanthroporphyrins. (1995) (0)
- Versatile (3 + 1) Syntheses of Acenaphthoporphyrins, a New Family of Highly Conjugated Tetrapyrroles. (1996) (0)
- Synthesis of Phenanthropyrroles and Phenanthrolinopyrroles from Isocyanoacetates: An Extension of the Barton-Zard Pyrrole Condensation. (1994) (0)
- Porphyrins with Exocyclic Rings. Part 20. Synthesis and Spectroscopic Characterization of Porphyrins with Fused 2,1,3‐Benzoxadiazole and 2,1,3‐Benzoselenadiazole Moieties. (2006) (0)
- Porphyrins with Exocyclic Rings. Part 12. Synthesis of meso,β‐Butano‐ and meso,β‐Pentanoporphyrins from Cycloalka[b]pyrroles. (1998) (0)
- Porphyrins with Exocyclic Rings. Part 25. Synthesis of Porphyrins with a Fused Cyclic Ether Subunit from Tetrahydro-4H-pyran-4-one. (2010) (0)
- Modification of the Porphyrin Chromophore by Ring Fusion: Identifying Trends due to Anellation of the Porphyrin Nucleus (2001) (0)
- Synthesis of Benzyl and tert‐Butyl 3‐(2‐Methoxycarbonylethyl)‐4‐ methylpyrrole‐2‐carboxylates from Methyl 4‐Oxobutanoate. (1995) (0)
- Porphyrins with Exocyclic Rings. Part 22. Synthesis of Deoxophylloerythroetioporphyrin (DPEP), Three Ring Homologues, and Five Related Nonpolar Bacteriopetroporphyrins Using a Western Ring Closure and an Improved b-Bilene Methodology. (2008) (0)
- Synthesis of Novel Porphyrin Chromophores from Nitroarenes: Further Applications of the Barton‐Zard Pyrrole Condensation. (1997) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 20. Organometallic Chemistry of Carbaporphyrinoids: Synthesis and Characterization of Nickel(II) and Palladium(II) Azuliporphyrins. (2002) (0)
- Porphyrins with Exocyclic Rings. Part 10. Synthesis of meso,β-Propanoporphyrins from 4,5,6,7-Tetrahydro-1H-indoles. (1998) (0)
- Carbaporphyrinoid Chemistry Has a Silver Lining! Silver(III) Oxybenzi‐, Oxynaphthi‐, Tropi‐, and Benzocarbaporphyrins. (2004) (0)
- Porphyrins with Exocyclic Rings. Part 13. Synthesis and Spectroscopic Characterization of Highly Modified Porphyrin Chromophores with Fused Acenaphthylene and Benzothiadiazole Rings (1999) (0)
- Benzo[1,2-c:3,4-c′]bis[1,2,5]selenadiazole, [1,2,5]Selenadiazolo[3,4-e]-2,1,3-benzothiadiazole, Furazanobenzo-2,1,3-thiadiazole, Furazanobenzo-2,1,3-selenadiazole and Related Heterocyclic Systems. (2005) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 26. tert‐Butyl‐Substituted Tripyrranes: Insights into the Steric and Conformational Factors that Influence Porphyrinoid Ring Formation in the [3 + 2] Methodology. (2003) (0)
- Synthesis of a meso-β-Pentanoporphyrin Related to the Petroporphyrins. (1988) (0)
- Porphyrins with Exocyclic Rings. Part 3. A Reassessment on the Utility of Cyclopenta(b)pyrroles in the Synthesis of Porphyrin Molecular Fossils. Preparation of Three Type II Porphyrins (I) Related to Deoxophylloerythroetioporphyrin (DPEP) (1993) (0)
- Synthesis of Dinaphthoporphyrins (I) and (II) from Dihydronaphtho(1,2- c)pyrroles. (1995) (0)
- Synthesis of a Porphyrin (V) with Fused Five- and Seven-Membered Exocyclic Rings from a Cross-Conjugated Tetracyclic Dipyrrole. (1995) (0)
- Porphyrins with Exocyclic Rings. Part 18. Syntheses of per-15N Labeled Etioporphyrins I—IV and a Related Tetrahydrobenzoporphyrin for Applications in Organic Geochemistry and Vibrational Spectroscopy. (2006) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 14. Facile Oxidation of a Carbaporphyrin at the Internal Carbon Atom: Synthesis of Novel Benzo[18]annulene Ketals. (1999) (0)
- Porphyrins with Exocyclic Rings. Part 4. An Improved One‐Step Synthesis of Cyclopenta(b)pyrroles. (1993) (0)
- Synthesis of Porphyrins with Exocyclic Rings from Cycloalkenopyrroles (1995) (0)
- Synthetic and Biosynthetic Studies of Porphyrins. Part 7. The Action of Coproporphyrinogen Oxidase on Coproporphyrinogen-IV: Syntheses of Protoporphyrin-XIII, Mesoporphyrin-XIII, and Related Tricarboxylic Porphyrins. (1987) (0)
- Aromatic Character and Relative Stability of Pyrazoloporphyrin Tautomers and Related Protonated Species: Insights into How Pyrazole Changes the Properties of Carbaporphyrinoid Systems (2023) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 39. [22]Porphyrin‐(3.1.1.3), a New Vinylogous Expanded Porphyrin System. (2007) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 4. Synthesis of a 23,24-Dioxa-5-oxophlorin (III). (1992) (0)
- Synthesis of Pyrroles from Benzyl Isocyanoacetate. (1994) (0)
- Reactivity of 1-Aza-1,4,5,6-tetrahydroazulenes and Their Utility in the Preparation of Dipyrrolic Intermediates Needed for Petroporphyrin Synthesis. (1995) (0)
- Total Synthesis of the Porphyrin Mineral Abelsonite and Related Petroporphyrins with Five‐Membered Exocyclic Rings. (2004) (0)
- Porphyrins with Exocyclic Rings. Part 8. Synthesis of Nitrogen‐15 and Carbon‐13 Labeled 2,3:7,8:12,13:17,18‐Tetrabutanoporphyrin. (1997) (0)
- Conjugated Macrocycles Related to the Porphyrins. Part 15. Towards Hydrocarbon Analogues of the Porphyrins: Synthesis and Spectroscopic Characterization of the First Dicarbaporphyrin. (1999) (0)
- Synthesis of the Chlorin Macrocycle by the ′3 + 1′ Approach. (2010) (0)
- Regioselective Oxidations of Benzocarbaporphyrins with Ferric Chlorides: A Facile Synthesis of Bridged [18]Annulene Ketals with Strong Absorptions in the Far Red and an Unexpected Halogenation Reaction at the Interior Carbon Atom. (2004) (0)
- Preparation of Tripyrrane Analogues from Resorcinol and 2-Methylresorcinol for Applications in the Synthesis of New Benziporphyrin System. (2004) (0)
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