Kalevi Pihlaja
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Computer Science
Kalevi Pihlaja's Degrees
- PhD Computer Science University of Helsinki
- Masters Computer Science University of Helsinki
- Bachelors Computer Science University of Helsinki
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(Suggest an Edit or Addition)Kalevi Pihlaja'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
- Antioxidant activity of plant extracts containing phenolic compounds. (1999) (3811)
- Antimicrobial effects of Finnish plant extracts containing flavonoids and other phenolic compounds. (2000) (1135)
- Molecular size distribution and spectroscopic properties of aquatic humic substances (1997) (828)
- Phenolics and betacyanins in red beetroot (Beta vulgaris) root: distribution and effect of cold storage on the content of total phenolics and three individual compounds. (2000) (491)
- Inhibition of cancer cell growth by crude extract and the phenolics of Terminalia chebula retz. fruit. (2002) (490)
- Seasonal changes in birch leaf chemistry: are there trade-offs between leaf growth and accumulation of phenolics? (2002) (269)
- Seasonal Variation in the Content of Hydrolyzable Tannins, Flavonoid Glycosides, and Proanthocyanidins in Oak Leaves (2004) (211)
- Characterization, differentiation and classification of aquatic humic matter separated with different sorbents: synchronous scanning fluorescence spectroscopy. (2002) (207)
- Betalain and phenolic compositions of four beetroot (Beta vulgaris) cultivars (2002) (207)
- Hypolipidemic and antioxidant effects of Morus alba L. (Egyptian mulberry) root bark fractions supplementation in cholesterol-fed rats. (2006) (191)
- Measurement of aquatic humus content by spectroscopic analyses (2000) (165)
- High-performance liquid chromatographic analysis of phlorotannins from the brown alga Fucus vesiculosus. (2007) (156)
- Characterisation of hydrolysable tannins from leaves of Betula pubescens by high-performance liquid chromatography-mass spectrometry. (1999) (152)
- Seasonal variation in the content of hydrolysable tannins in leaves of Betula pubescens. (2001) (144)
- Preclinical evaluation of rapeseed, raspberry, and pine bark phenolics for health related effects. (2005) (140)
- Variation of total phenolic content and individual low-molecular-weight phenolics in foliage of mountain birch trees (Betula pubescens ssp.tortuosa) (1996) (120)
- Comparative analysis of leaf trichome structure and composition of epicuticular flavonoids in Finnish birch species. (2003) (119)
- Gallic acid and hydrolysable tannins are formed in birch leaves from an intermediate compound of the shikimate pathway (2003) (117)
- Analysis of procyanidins in pine bark with reversed-phase and normal-phase high-performance liquid chromatography–electrospray ionization mass spectrometry (2004) (117)
- Betalains and Phenolics in Red Beetroot (Beta vulgaris) Peel Extracts: Extraction and Characterisation (2001) (113)
- Total Phenolics Concentration and Antioxidant Potential of Extracts of Medicinal Plants of Pakistan (2001) (110)
- Changes in leaf trichomes and epicuticular flavonoids during leaf development in three birch taxa. (2004) (108)
- Delayed induced changes in the biochemical composition of host plant leaves during an insect outbreak (1998) (105)
- Effects of host shading on consumption and growth of the geometrid Epirrita autumnata: interactive roles of water, primary and secondary compounds (2003) (101)
- Modeling NMR parameters by DFT methods as an aid to the conformational analysis of cis-fused 7a(8a)-methyl octa(hexa)hydrocyclopenta[d][1,3]oxazines and [3,1]benzoxazines. (2003) (99)
- Aspects of structural features in lignite and lignite humic acids (2006) (97)
- Phenolic extractives from the bark of Pinus sylvestris L. and their effects on inflammatory mediators nitric oxide and prostaglandin E2. (2004) (95)
- A Gas Phase Electron Diffraction Investigation of the Molecular Structures of Trimethylaluminium Monomer and Dimer. (1971) (94)
- Effects of Long-Term Open-Field Ozone Exposure on Leaf Phenolics of European Silver Birch (Betula pendula Roth) (2001) (89)
- Proanthocyanidins of mountain birch leaves: quantification and properties. (2001) (85)
- High-performance liquid chromatographic separation and identification of phenolic compounds from leaves of Betula pubescens and Betula pendula (1996) (84)
- Covariation of fluctuating asymmetry, herbivory and chemistry during birch leaf expansion (2000) (82)
- Carbon-13 NMR Chemical Shifts in Structural and Stereochemical Analysis (1994) (81)
- 1H and 13C NMR Study of 1-Hydrazino-2,3-dihydro-1H-pyrazolo[1,2-a]pyridazine-5,8-diones and -1H-pyrazolo[1,2-b]phthalazine-5,10-diones and Their Ring-Chain Tautomerism (2002) (81)
- Kinetic study of the thermal degradation of lake aquatic humic matter by thermogravimetric analysis (1999) (77)
- Preliminary study of lake dissolved organic matter in light of nanoscale supramolecular assembly. (2004) (77)
- Ring-chain tautomerism in 1,3-oxazines (1987) (77)
- Comparative study for separation of aquatic humic-type organic constituents by DAX-8, PVP and DEAE sorbing solids and tangential ultrafiltration: elemental composition, size-exclusion chromatography, UV-vis and FT-IR. (2005) (75)
- Leaf surface traits: overlooked determinants of birch resistance to herbivores and foliar micro-fungi? (2005) (72)
- Characterisation of proanthocyanidin aglycones and glycosides from rose hips by high-performance liquid chromatography-mass spectrometry, and their rapid quantification together with vitamin C. (2005) (71)
- Isolation and characterization of natural organic matter from lake water: Two different adsorption chromatographic methods (1997) (70)
- Seeing the trees for the leaves / oaks as mosaics for a host-specific moth (2006) (67)
- Patterns in content of phenolic compounds in leaves of mountain birches along a strong pollution gradient. (2001) (59)
- Gallotannins of birch betula pubescens leaves: HLPC separation and quantification (1997) (59)
- HPLC isolation and identification of flavonoids from white birch Betula pubescens leaves (1995) (58)
- Ranking of individual mountain birch trees in terms of leaf chemistry: seasonal and annual variation (2004) (58)
- Ring-chain tautomerism in 1,3-thiazolidines (1990) (57)
- Antinociceptive activity of new imidazolidine carbonyl derivatives. Part 4. Synthesis and pharmacological activity of 8-aryl-3,4-dioxo-2H,8H-6,7-dihydroimidazo[2,1-c] [1,2,4]triazines. (2005) (57)
- Multi-method characterization of lake aquatic humic matter isolated with two different sorbing solids (1998) (55)
- Sorption of aquatic humic matter by DAX-8 and XAD-8 resins: Comparative study using pyrolysis gas chromatography (2002) (54)
- Comparisons of sorption of aquatic humic matter by DAX-8 and XAD-8 resins from solid-state (13)C NMR spectroscopy's point of view. (2001) (54)
- Characterisation of lake-aquatic humic matter isolated with two different sorbing solid techniques: tetramethylammonium hydroxide treatment and pyrolysis-gas chromatography/mass spectrometry (2000) (52)
- Environmental Pollution Affects the Plumage Color of Great Tit Nestlings through Carotenoid Availability (2008) (51)
- Isolation and characterization of natural organic matter from lake water: Comparison of isolation with solid adsorption and tangential membrane filtration (1997) (51)
- Characterization of the Polyphenolic Composition of Purple Loosestrife (Lythrum salicaria) (2001) (50)
- Synthesis, Stereochemistry and Transformations of Cyclopentane-, Cyclohexane-, Cycloheptane-, and Cyclooctane-Fused 1,3-Oxazines, 1,3-Thiazines, and Pyrimidines (1997) (49)
- Conformational Analysis. NMR Spectra of Six-Membered Cyclic Acetals. (1970) (48)
- Phenolic Constituents of Eucalyptus camaldulensis Dehnh, with Potential Antioxidant and Cytotoxic Activities (2011) (47)
- Defensive Effect of Surface Flavonoid Aglycones of Betula pubescens Leaves Against First Instar Epirrita autumnata Larvae (2004) (47)
- Ring-chain tautomerism in oxazolidines (1993) (47)
- Rapid Herbivore-Induced Changes in Mountain Birch Phenolics and Nutritive Compounds and Their Effects on Performance of the Major Defoliator, Epirrita autumnata (2004) (44)
- Reversed-phase HPLC-ESI/MS analysis of birch leaf proanthocyanidins after their acidic degradation in the presence of nucleophiles. (2007) (44)
- Concentrations and among-compound correlations of individual phenolics in white birch leaves under air pollution stress (1998) (44)
- Ring-chain tautomerism in 2-substituted 1,2,3,4-tetrahydroquinazolines A 1H, 13C and 15N NMR study (2003) (43)
- Phototransformations of selected pharmaceuticals under low-energy UVA–vis and powerful UVB–UVA irradiations in aqueous solutions—the role of natural dissolved organic chromophoric material (2009) (43)
- Comparison of the electronic structures of imine and hydrazone side-chain functionalities with the aid of 13C and 15N NMR chemical shifts and PM3 calculations. The influence of C=N-substitution on the sensitivity to aromatic substitution. (2003) (41)
- Distribution Of Hydrolysable Tannins In The Foliage Of Finnish Birch Species (2002) (41)
- Heats of Formation and Conformational Energies of 1,3-Dioxane and Its Methyl Homologues. (1968) (41)
- Substituent influences on the stability of the ring and chain tautomers in 1,3-O,N-heterocyclic systems: characterization by 13C NMR chemical shifts, PM3 charge densities, and isodesmic reactions. (2001) (41)
- Ring-chain tautomerism of 1,3-oxazolidines prepared from norephedrine and norpseudoephedrine (1989) (38)
- The structural and conformational analyses and antioxidant activities of chebulinic acid and its thrice-hydrolyzed derivative, 2,4-chebuloyl-β-D-glucopyranoside, isolated from the fruit of Terminalia chebula (2004) (38)
- Stereochemistry, tautomerism, and reactions of acridinyl thiosemicarbazides in the synthesis of 1,3-thiazolidines † (2006) (38)
- HPLC–PDA–ESI–MS/MS profiling and chemopreventive potential of Eucalyptus gomphocephala DC (2012) (37)
- Delayed induced responses of birch glandular trichomes and leaf surface lipophilic compounds to mechanical defoliation and simulated winter browsing (2005) (37)
- Unexpected formation of a spiro acridine and fused ring system from the reaction between an N-acridinylmethyl-substituted thiourea and bromoacetonitrile under basic conditions. (2001) (36)
- Sorption behaviour of some chlorophenols in lake aquatic humic matter. (2002) (36)
- Quantitative analysis of polymeric proanthocyanidins in birch leaves with normal-phase HPLC. (2006) (35)
- Metabolic Modifications of Birch Leaf Phenolics by an Herbivorous Insect: Detoxification of Flavonoid Aglycones via Glycosylation (2004) (34)
- Critical comments on accuracy of quantitative determination of natural humic matter by solid state (13)C NMR spectroscopy. (2003) (33)
- Multimethod characterization of lake aquatic humic matter isolated with sorbing solid and tangential membrane filtration (1998) (32)
- Application of 1J(C,H) coupling constants in conformational analysis (2005) (31)
- Regioselective Synthesis of 2‐Imino‐1,3‐thiazolidin‐4‐ones by Treatment of N‐(Anthracen‐9‐yl)‐N′‐ethylthiourea with Bromoacetic Acid Derivatives (2002) (30)
- Chain-ring-chain tautomerism in 2-aryl-substituted hexahydropyrimidines and 1H-2,3-dihydroperimidines. Does it appear? (2004) (30)
- Novel β-lactam condensed 3-thiaquinolines: an efficient synthesis and structural characterization (2008) (28)
- Degradation of TMAH treated aquatic humic matter at different temperatures (2000) (28)
- Isolation and biological activity of frankiamide (2001) (28)
- New, Sesquiterpenoid‐Type Bicyclic Compounds from the Buds of Betula pubescens − Ring‐Contracted Products of β‐Caryophyllene? (2004) (28)
- Sediment-dissolved organic matter equilibrium partitioning of pentachlorophenol: the role of humic matter. (2002) (27)
- Molluscicidal Activity and New Flavonoids from Egyptian Iris germanica L. (var. alba) (2006) (27)
- Gas-Phase Ring-Chain Tautomerism in 1,3-oxazolidines (1990) (27)
- Effects of simulated winter browsing on mountain birch foliar chemistry and on the performance of insect herbivores (2005) (27)
- 13C Chemical Shifts — Sensitive Detectors in Structure Determination. 1. 13C NMR Studies of Saturated Heterocycles. 4. Methyl‐Substituted 1,3‐Dioxanes (1980) (27)
- Conformational Study of Some Saturated 2-[Bis(2-chloroethyl)amino]-1,3,2-benzoxazaphosphorinane 2-Oxides. (1998) (26)
- Structural features of lignite humic acid in light of NMR and thermal degradation experiments (2007) (26)
- Estimation of origin of lignin in humic dom by CuO-oxidation (1997) (25)
- The Acidity and General Base-Catalyzed Hydrolysis of Meldrum's Acid and Its Methyl Derivatives. (1969) (25)
- Formation of 1,2-dihydroquinazolin-4(3H)-ones. Reinvestigation of a recently reported 1,3,-4-benzotriazepine synthesis (1992) (25)
- Carbon-13 chemical shifts: sensitive detectors in structure determination. Part 2. Carbon-13 nuclear magnetic resonance chemical shifts and the twist conformations of 1,3-dioxanes. Geminal substitution at the 4-position: a guaranty for the chair form? (1982) (24)
- Polyketide derivatives active against Botrytis cinerea in Gerbera hybrida (2010) (24)
- Conformational Complexity in Seven-Membered Cyclic Triazepinone/Open Hydrazones. 1. 1D and 2D Variable Temperature NMR Study (1997) (24)
- HPLC analysis of leaf surface flavonoids for the preliminary classification of birch species. (2006) (24)
- The Kinetics and Mechanisms of the Uncatalyzed and Acid-Catalyzed Decomposition Reactions of Meldrum's Acid and Its Methyl Derivatives. (1968) (23)
- Characterization of Freshwater Humic Matter (2007) (23)
- Stability of Methionyl Residues Towards Oxidation During Solid Phase Peptide Synthesis. (1971) (23)
- A correlation analysis of C=N 13C chemical shifts. The use of substituted benzaldehyde (2-hydroxycyclohexyl)hydrazones as probes (1994) (22)
- Stereochemical studies 130 saturated heterocycles 132. Synthesis and ring-chain tautomerism of stereoisomeric 1,3-oxazines condensed with the cyclopentane ring (1987) (22)
- Ionisation and appearance potentials in structure analysis. A review (1973) (22)
- Characterization of lake-aquatic humic matter isolated with two different sorbing solid techniques: pyrolysis electron impact mass spectrometry (1999) (21)
- Comparison of quaternary methyl-, ethyl- and butylammonium hydroxides as alkylating reagents in pyrolysis-GC/MS studies of aquatic fulvic acid (2003) (21)
- Electrophilic aromatic reactivities via ring-chain tautomerism of tetrahydro-1,3-oxazines and 1,3-oxazolidines (1991) (21)
- The Energy Difference between the Chair and Skew-Boat Forms of the 1,3-Dioxane Ring. (1968) (21)
- Composition of long-chain fatty compounds and sterols of four milled peat samples from Finnish peatlands (1987) (21)
- Correlation analysis of the 13C chemical shifts of substituted benzaldehyde 2-aminobenzoylhydrazones. Study of the propagation of substituent effects along a heteroatomic chain (1997) (21)
- 13C NMR chemical shifts and ring conformations of 2-hydroxy-1,3,2-dioxaborolane and 2-hydroxy-1,3,2-dioxaborinane and their methyl derivatives (1985) (21)
- ESI-MS analyses of lake dissolved organic matter in light of supramolecular assembly (2007) (21)
- Propagation of polar substituent effects in 1-(substituted phenyl)-6,7-dimethoxy-3,4-dihydro- and -1,2,3,4-tetrahydroisoquinolines as explained by resonance polarization concept. (2005) (21)
- New isomers of 4,1-benzothiazepines. The first evidence for the desmotropy of seven-membered heterocycles (2006) (21)
- Properties and reactions of 1,3-oxathianes V: Conformational analysis and conformational energies of axial alkyl groups (1972) (20)
- Substituent effects on the ring-chain tautomerism of 1,3-oxazines (1993) (20)
- Frankiamide, a highly unusual macrocycle containing the imide and orthoamide functionalities from the symbiotic actinomycete Frankia. (2001) (19)
- Comparative study for separation of aquatic humic substances by capillary zone electrophoresis using uncoated, polymer coated and gel-filled capillaries. (2004) (19)
- Spectroscopic studies of bifurcated hydrogen bonds in solution (1999) (19)
- Mass spectrometric intramolecular cyclization reactions of some 2-N-phenyliminoperhydro-1,3-oxazines (1989) (18)
- A new dihydroflavonol from Pinus sylvestris L. (2005) (18)
- 5 – Some Applications of Thermochemistry to Heterocyclic Chemistry (1974) (17)
- Stereochemistry and the mass spectra of some 1,3‐ and 3,1‐perhydrobenzoxazines (1988) (17)
- Tautomerism, regioisomerism, and cyclization reactions of acridinyl thiosemicarbazides (2006) (17)
- Studies on the benzoxazine series. Part 1. Preparation and 1H and 13C nuclear magnetic resonance structural study of some substituted 3,4-dihydro-2H-1,3-benzoxazines (1988) (17)
- Degradative analysis of aquatic fulvic acid: CuO oxidation versus pyrolysis after tetramethylammonium hydroxide treatments in air and helium atmospheres (2004) (17)
- Effects of Elevated Carbon Dioxide and Ozone on Foliar Proanthocyanidins in Betula platyphylla, Betula ermanii, and Fagus crenata Seedlings (2006) (17)
- Synthesis and Conformational Analysis of Saturated3,1,2‐Benzoxazaphosphinine 2‐Oxides (2005) (17)
- In Vitro effects of cuticular lipids of the aphids Sitobion avenae, Hyalopterus pruni and Brevicoryne brassicae on growth and sporulation of the Paecilomyces fumosoroseus and Beauveria bassiana (2002) (17)
- Synthesis of new thiophene, furan and pyridine substituted 1,2,4,5-oxadiazaboroles (2008) (17)
- Organic compounds formed by chemical degradation of lake aquatic humic matter (1998) (17)
- Experimental and DFT 1H NMR study of conformational equilibria in trans-4',7-dihydroxyisoflavan-4-ol and trans-isoflavan-4-ol. (2003) (17)
- Properties and reactions of 1,3-oxathiolanes—III (1972) (16)
- Unusual structures derived from N‐acridin‐9‐yl methyl N′‐acridin‐9‐yl thiourea based on the propensity of N‐10 to retain H (2006) (16)
- The Reactions of Lignin During Sulphate Pulping. Part XI. Reactions of Pinoresinol With Alkali and With White Liquor. (1971) (16)
- Conformational analysis: XIV—A 1H n.m.r. conformational study of methyl substituted 2‐oxo‐1,3,2‐dioxathians to confirm the predominance of chair forms in the trimethylene sulphite series (1976) (16)
- Conformational analysis. Part XI. Chemical equilibration of diastereoisomeric alkyl-1,3-dithians. Conformational preferences of alkyl substituents and the chair–boat energy difference. A revision of the chair–boat energy difference of cyclohexane (1974) (16)
- Regioselective syntheses, structural characterization, and electron ionization mass spectrometric behavior of regioisomeric 2,3-disubstituted 2-imino-1,3-thiazolidin-4-ones. (2004) (16)
- A sesquineolignan with a spirodienone structure from Pinus sylvestris L. (2007) (16)
- A comparison of ring-chain tautomerism in heterocycles derived from 2-aminobenzenesulfonamide and anthranilamide (2005) (16)
- Lignans from the bark extract of Pinus sylvestris L. (2006) (16)
- 1H, 13C and 17O NMR spectral studies on monocyclic dioxolanes, dioxanes, dioxepanes and dioxocanes and cycloalkane‐fused (5–8‐membered) bicyclic 1,3‐dioxolanes and 1,3‐dioxanes (2001) (15)
- Copper(II) complexes with some 3-amino-1-propanols (1983) (15)
- CONFORMATIONAL COMPLEXITY IN SEVEN-MEMBERED CYCLIC TRIAZEPINONE/OPEN HYDRAZONES. 2. MOLECULAR MODELING AND X-RAY STUDY (1997) (15)
- Biochemical transformation of birch leaf phenolics in larvae of six species of sawflies (2005) (15)
- Electron impact and chemical ionization mass spectra of norbornane/ene di‐exo and di‐endo‐fused 1,3‐oxazin‐2(1H)‐ones and 1,3‐oxazine‐2(1H)‐thiones (1990) (15)
- Gas‐Phase ring‐chain tautomerism in 1,3‐oxazines. Does it exist? (1991) (15)
- Formation and characterization of a multicomponent equilibrium system derived from cis- and trans-1-aminomethylcyclohexane-1,2-diol. (2003) (15)
- Effects of increased content of leaf surface flavonoids on the performance of mountain birch feeding sawflies vary for early and late season species (2006) (15)
- Structural studies, homology modeling and molecular docking of novel non-competitive antagonists of GluK1/GluK2 receptors. (2014) (15)
- Advanced TMAH and TMAAc thermochemolysis–pyrolysis techniques for molecular characterization of size-separated fractions from aquatic dissolved organic matter (2007) (14)
- Equilibrium and Enthalpy Measurements on the Zinc(II) Chloride, Bromide and Iodide Systems in Acetonitrile and Pyridine, and on the Mercury(II) Chloride, Bromide and Iodide Systems in Acetonitrile. (1990) (14)
- Mass Spectral Study of Some Stereoisomeric 2-Thioxo- and 2-Oxo-perhydro-1,3- and 2-Thioxoperhydro-3,1-benzoxazines. (1990) (14)
- A correlative IR, MS, 1H, 13C and 15N NMR and theoretical study of 4-arylthiazol-2(3H)-ones (2002) (14)
- Conformational Analysis. Part XLIII. 13C Chemical Shifts and Coupling Constants as Proof of the Nonplanarity of the 2-Oxo-1,3-dioxolane Ring. (1977) (14)
- Ring-chain tautomerism and crystal structure of some 1,3-oxazacyclanes, and the electrophilic substituent constants for some heteroaryl groups in solution and in the gas-phase (1994) (14)
- Methylation of Acridin-9-ylthioureas. Structure, Fluorescence and Biological Properties of Products (2004) (14)
- Properties and Reactions of 1,3-Oxathianes. I. Preparation of 1,3-Oxathiane and Its 2- and 6-Alkyl Derivatives. (1970) (14)
- Properties and reactions of 1,3-oxathiolans. Part IV. Conformational analysis of 2-alkyl-4-methyl- and 2-alkyl-2,4-dimethyl-1,3-oxathiolans with the aid of 1H nuclear magnetic resonance spectroscopy and chemical equilibration (1974) (14)
- A Meisenheimer Compound from 2,6-Methoxyphenylsilver and 1,3,5-Trinitrobenzene. (1971) (14)
- Jaceidin and chrysosplenetin chemotypes of Chamomilla recutita (L.) Rauschert (1999) (14)
- Conformational Analysis. XIX properties and reactions of 1,3‐oxathianes VIII A 1H NMR conformational study of methyl‐substituted derivatives (1979) (14)
- Chemical Composition and Bioactivity of Pleiogynium timorense (Anacardiaceae) (2010) (13)
- Conformational analysis—V (1973) (13)
- The proton magnetic resonance spectra of six-membered cyclic acetals. Part III. The vicinal coupling constants of alkyl-substituted 1,3-dioxans existing in non-chair conformations (1972) (13)
- Stereoisomerism and Ring‐Chain Tautomerism in 1‐Hydroxy‐2,3‐dihydro‐1H‐pyrazolo[1,2‐a]pyridazine‐5,8‐diones and 1‐Hydroxy‐ and 1‐Amino‐2,3‐dihydro‐1H‐pyrazolo[1,2‐b]phthalazine‐5,10‐diones (2002) (13)
- Substituent effects on the ring-chain tautomerism of some 1,3-oxazolidine derivatives. (2008) (13)
- Interaction Of Folk Medicinal Plant Extracts With Human ɑ2-Adrenoceptor Subtypes (2002) (13)
- Quinoxalines. Part 13: Synthesis and mass spectrometric study of aryloxymethylquinoxalines and benzo[b]furylquinoxalines (2004) (13)
- Conformational analysis. XXIII: 13C and 1H NMR conformational study of 2-oxo-1, 3-dioxane and its methyl derivatives (1983) (13)
- Properties and reactions of 1,3-oxathianes—II: Mass spectra of 1,3-oxathiane and its alkyl derivatives (1971) (13)
- Studies on the benzoxazine series. 2 —Preparation and 1H and 13C NMR structural study of some substituted 1,2‐dihydro‐4H‐3,1‐benzoxazines (1989) (13)
- Application of centrifugal force to the extraction and separation of parasorboside and gerberin from Gerbera hybrida. (2002) (13)
- A comparative study on the behaviour of 1,3‐diheterocyclopentanes (X = O, O; S, S; O, S) under electron impact. The formation of thioacetyl and thiiranyl cations (1988) (12)
- Conformational Analysis. NMR Spectra of Acetals Derived from Diastereomeric 3-Methyl-2,4-Pentanediols. (1970) (12)
- Phenolic Compounds from Eucalyptus Gomphocephala with Potential Cytotoxic and Antioxidant Activities (2010) (12)
- Heats of Combustion of 1,3-Dioxane and Its Methyl Derivatives. (1967) (12)
- Heats of Combustion: Diethyl Ether and 1,1-Diethoxyethane. (1968) (12)
- Conformational analysis—XXI : H NMR Conformational Study of Alkyl-Substituted 2-Oxo-1,3,2-Dioxathianes (1982) (12)
- Tautomerism and electron impact mass spectra of pyrimidin‐4(3H)‐ and ‐4(1H)‐ones (1990) (11)
- Biomarker features of sabkha-associated microbialites from the Zechstein Platy Dolomite (Upper Permian) of northern Poland (2009) (11)
- Configuration and stereodynamics of exo/endo-isomeric push-pull alkenes of pentadiene structure (1998) (11)
- Electron and chemical ionization mass spectrometry in stereochemical differentiation of some 1,3‐amino alcohols (1994) (11)
- Enthalpies of Formation of Cyclic Acetals. 1,3-Dioxolane, 2-Methyl-1,3-Dioxolane, and 2,4-Dimethyl-1,3-Dioxolanes. (1969) (11)
- Conformational Analysis of Saturated trans‐Fused 1,3,2‐Benzoxazaphosphinine 2‐Oxides − DFT Calculation of NMR J(P,H) Coupling Constants (2004) (11)
- Electron ionization mass spectra and tautomerism of substituted 2-phenacylquinolines. (2009) (11)
- Conformational analysis XX—13C NMR studies of saturated heterocycles 5—substituent effects on the 13C chemical shifts of methyl substituted 1,3-dithiolanes†‡ (1981) (11)
- Studies on the benzoxazine series. Part 3 —Preparation and 13C NMR structural Study of γ Effects of Some N‐substituted 3,4‐dihydro‐2H‐1,3‐benzoxazines (1990) (11)
- Variable responses of folivorous sawflies to leaf quality of mountain birch (2005) (11)
- A comparison of cuticular hydrocarbons of larvae and beetles of the Tribolium destructor (1990) (11)
- Synthesis and structural characterisation of 4 H -1,3-benzothiazine derivatives (2002) (11)
- The Stereochemistry at C-17 of Baccharis Oxide. The Synthesis of Baccharan-3beta-ol and Baccharan-3-one. (1971) (11)
- Electron impact ionization mass spectrometry and intramolecular cyclization in 2-substituted pyrimidin-4(3H)-ones (1994) (11)
- UV-visible spectra of some nitro-substituted porphyrins (1995) (11)
- Mass spectral fragmentation reactions of some stereoisomeric cyclic β-amino acids under electron and chemical ionization (1993) (10)
- 5,5′,6,6′-Tetrahydroxy-3,3′-biindolyl from Beetroot (Beta vulgaris) Peel Extract (2001) (10)
- 13C nuclear magnetic resonance studies of saturated heterocycles: II—substituent effects on the 13C chemical shifts of methyl substituted 1,3-dithianes and their application to the determination of conformational equilibria† (1977) (10)
- Stereospecific fragmentation processes in cycloalkane/cycloalkene-fused isomers of saturated pyrrolo[2,1-b][1,3]oxazin-6-one derivatives (1999) (10)
- Identification of branched alkanes in lipids ofLeptinotarsa decemlineata say andTribolium destructor by GC-MS: A comparison of main-beam and link-scanned spectra (1994) (10)
- Saturated and olefinic hydrocarbons in recent sediments from the Baltic Sea (1990) (10)
- Effects of N-substitution on the fragmentations of some cyclohexene-fused 2-N-phenyliminoperhydro-3,1-oxazines and related thiazines (1991) (10)
- Two new phenylbutanoids from inner bark of Betula pendula (2008) (10)
- The Cyclopropylcarbinyl Rearrangements in Sabinene and alpha-Thujene. (1971) (10)
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- Stereochemical Effects in the Mass Spectra of cis‐ and trans‐2‐Aryl‐4a,5,6,7,8,8a‐hexahydroquinazolin‐4(3H)‐ones (1996) (2)
- Fragmentation of imine-type meta-bridged bis(benzo crown ethers) under electron impact (1999) (2)
- Electron impact ionization mass spectra of 2,4,5,5-tetrasubstituted 1,2,4-triazolidine-3-thiones. The effect of the ethoxycarbonyl group at position 4 (1993) (2)
- 1H Nuclear magnetic resonance spectral detection of the intermediates involved in the acid-catalysed hydrolysis of 2-substituted 3-methyl-1,3-oxazolidines (1988) (2)
- 1‐Oxo‐1,3‐dithiolanes—synthesis and stereochemistry (2011) (1)
- 13C- and 17O-NMR Chemical Shifts and the Configurations of Some 2-Methyl- and 2,2-Dimethyl-Substituted 4,5-Cyclohexano-1,3-Dioxolanes† (1991) (1)
- Mass spectra of sulfinic acids, esters and derivatives (2010) (1)
- Conformational Analysis. Part XVII. A Simple Application of the Karplus Equation to Study the Preferred Conformations of the Ethyl Group in Some Alkylsubstituted 4-Ethyl-1,3-oxathiolanes. (1977) (1)
- Hydrogen Bonding of Fluorenide by a Hydroxy Proton Directly Observed by UV, NMR and IR Spectroscopy. (1990) (1)
- 2-OXO-1,3,2-DIOXATHIANES. II. DETERMINATION OF THE S:O GROUP CONFIGURATION BY Y IR SPECTROSCOPY (1982) (1)
- Solvent-induced change in the rate-limiting step of acylal hydrolysis (1989) (1)
- Methylation of Acridin-9-ylthioureas. Structure, Fluorescence and Biological Properties of Products. (2004) (1)
- Synthesis and 1H and 13C NMR structural analysis of cis‐ and trans‐2‐imino‐1,3‐ and ‐3,1‐perhydrobenzoxazines and their 3‐ and 1‐N‐methyl derivatives (2003) (1)
- Comparison of the Electronic Structures of Imine and Hydrazone Side‐Chain Functionalities with the Aid of 13C and 15N NMR Chemical Shifts and PM3 Calculations. The Influence of C=N‐Substitution on the Sensitivity to Aromatic Substitution. (2003) (1)
- Electron Impact Ionization Mass Spectra of Some 4,9-Dihetero-(X,X)-cyclodeca-1,6-dienes: Mono- and Di-benzo Analogues. (1994) (1)
- Electron ionization mass spectra of aryl- and benzyl-substituted 2,3-dihydroimidazo[1,2-a]pyrimidine-5,7(1H,6H)-diones. (2007) (1)
- Unusual Structure Derived from N‐Acridin‐9‐yl Methyl N′‐Acridin‐9‐yl Thiourea Based on the Propensity of N‐10 to Retain H. (2006) (1)
- Electron Impact Induced Fragmentation of Dibenzo Crown Ethers (1996) (1)
- Studies on the γ-effects. Part 3. Variations in the γ-effects ofN-substituted benzylamines,o-aminomethylphenols and 3,4-dihydro-2H-1,3-benzoxazines against theEs′ substituent constants (1995) (1)
- Tandem size-exclusion chromatography-polyacrylamide gel electrophoresis fractionation of aquatic humic substances - characterization of size-separates with TMAH treatment and pyrolysis-GC/MS (2008) (1)
- CONFIGURATION AND CONFORMATION STUDY OF S-ALLYL O-METHYL N-(2- AND 4-SUBSTITUTED ACRIDIN-9-YL)THIOCARBONIMIDATES IN RELATION TO THEIR 3,3 SIGMATROPIC REARRANGEMENT (1998) (1)
- REACTION OF 1-NAPHTHYL AMINE WITH METHYL KETONES : A POSSIBLE ROUTE TO THEONE-POT SYNTHESES OF SUBSTITUTED 1,2-DIHYDROBENZO(H)QUINOLINES (1998) (1)
- Stereoselective synthesis and structural analysis of polycyclic lactams derived from tetrahydroisoquinoline 1,2- and 1,3-diamines (2012) (1)
- NMR Structural Study and Stereoselective Synthesis of 2-Substituted and 2,2-Disubstituted 5-Dichloroacetamido-5-methyl-1,3-dioxanes. (1988) (1)
- X-ray structure of a second epimer of a partially saturated methylene-bridged isoindolo[2,1-a][3,1]benzoxazinone (1994) (1)
- Electron ionization fragmentation of some isoindolone derivatives (1994) (1)
- Fluorescence and Structure of Methylated Acridin-9-ylthioureas (2004) (1)
- CHLORINATED LONG-CHAIN FATTY ACIDS, THEIR PROPERTIES AND REACTIONS PART 8, THE KINETICS AND STEREOCHEMISTRY OF THE ALKALINE DEHYDROCHLORINATION OF DIASTEREOISOMERIC SODIUM 9,10-DICHLOROOCTADECANOATES (1975) (1)
- Oxathiacyclanes: Preparation, Structure and Reactions (269 Literaturhinweise). (1982) (1)
- Tautomeric equilibria in solutions of the products of reaction between 2-aminobenzenesulfonamide and 3-oxo aldehydes (2006) (1)
- Synthesis and structural analysis of tetra- and pentacyclic lactams derived from regioisomeric tetrahydroisoquinoline diamines (2010) (1)
- 9-(Methylsulphinyl)nonanenitrile, a stress metabolite of Rorippa sylvestris (1998) (1)
- Conformational analysis with the aid of 1H nuclear magnetic resonance. Thermodynamics of conformational equilibria of some alkyl-substituted 1,3-dithians (1973) (1)
- ELECTRON IMPACT INDUCED REARRANGEMENT OF 3,4-DISUBSTITUTED 1,2,4-OXADIAZOLE-5(4H)-THIONES (1999) (1)
- Syntheses and NMR, MS and X-Ray Investigations of Homoadamantane-Fused Pyridopyrimidinones. (2004) (1)
- Substituent effects on 13C chemical shifts of alkyl‐substituted 4‐oxo‐1,3‐dioxolanes and 5‐oxo‐1,3‐oxathiolanes (2008) (1)
- Ring-Chain Tautomerism and Crystal Structure of Some 1,3-Oxazacyclanes, and the Electrophilic Substituent Constants for Some Heteroaryl Groups in Solution and in the Gas-Phase. (1994) (1)
- Ring closure reactions of bicyclic prolinol and prolin ester enantiomers (2009) (1)
- BROWN ALGAL PHLOROTANNINS IMPROVING AND APPLYING CHEMICAL METHODS by Riitta Koivikko (2008) (1)
- CARBON-13 NUCLEAR MAGNETIC RESONANCE STUDIES ON SATURATED HETEROCYCLES. PART I. SUBSTITUENT EFFECTS ON THE CARBON-13 CHEMICAL SHIFTS OF METHYL-SUBSTITUTED 1,3-DIOXOLANES (1977) (0)
- Thermochemistry of Amidines and Related Compounds (1992) (0)
- Conformational Analysis. Part 29. Preparation and 1H and 13C NMR, FTIR, MS, and Crystallographic Conformational and Configurational Study of 3-Oxo-1,3-oxathiane and Its Monomethyl Derivatives. (1993) (0)
- NMR Structural Study and Stereoselective Synthesis of 2-Substituted and 2,2-Disubstituted 5-Dichloroacetamido-5-methyl-1,3-dioxanes (1989) (0)
- Oxathiacyclanes: preparation, structure and reactions (2010) (0)
- SYNTHESIS AND RING-CHAIN TAUTOMERISM OF STEREOISOMERIC 1,3-OXAZINES CONDENSED WITH A TERT-BUTYL-SUBSTITUTED CYCLOPENTANE RING (1994) (0)
- DIASTEREOMERE 3,3-DIMETHYL-PENTANDIOLE-(2,4) (1970) (0)
- Electrophilic Aromatic Reactivities via Ring-Chain Tautomerism of Tetrahydro-1,3-oxazines and 1,3-Oxazolidines. (1991) (0)
- Schiffs Bases as Intermediates in the Hydrolytic Decomposition of 2-Alkyl-3-methyl- 1,3-oxazolidines in Aqueous Acid. (1983) (0)
- Synthesis and Structural Characterization of 4H-1,3-Benzothiazine Derivatives. (2003) (0)
- Substituent Effects on the Ring‐Chain Tautomerism of 1,3‐Oxazines (1993) (0)
- On the stereochemistry of 2,6-dichloro-4-methoxy-heptanes (1989) (0)
- Pinobatol – a novel spirodienone sesquineolignan (2009) (0)
- Electron ionization mass spectra of phosphorus-containing heterocycles. I. 1,4,4a,5,6,7,8,8a-octahydro-2H-3,1,2-benzoxazaphosphinine 2-oxides. (2006) (0)
- PROTON NMR SPECTROSCOPIC STUDY ON THE RING-CHAIN TAUTOMERISM OF ALKYL-SUBSTITUTED 1,3-OXAZOLIDINES (1982) (0)
- The Pseudo‐Michael Reaction of 2‐Hydrazinylidene‐1‐Arylimidazolidines with Diethyl Ethoxymethylenemalonate (2016) (0)
- EI induced fragmentation of 5-oxo-1,3-oxathiolane and its methyl derivatives (1983) (0)
- Quinoxalines. Part 13. Synthesis and Mass Spectrometric Study of Aryloxymethylquinoxalines (X), (XII) and Benzo[b]furylquinoxalines (V), (VII). (2004) (0)
- 2-Oxo-1,3,2-dioxathianes. II. Determination of the S=O Group Configuration by IR Spectroscopy. (1982) (0)
- 17O‐N.M.R. as a stereochemical probe. The E/Z‐Isomerism of β‐Thiocyanatovinylaldehydes (1990) (0)
- Alkanes and alkenes in recent sediments from Northern Baltic Sea (1989) (0)
- Conformational Complexity in Seven-Membered Cyclic Triazepinone/Open Hydrazones. Part 2. Molecular Modeling and X-Ray Study. (2010) (0)
- CHLORINATED LONG-CHAIN FATTY ACIDS. THEIR PROPERTIES AND REACTIONS. IX. THE KINETICS AND STEREOCHEMICAL COURSE OF THE NEUTRAL AND THE BASE-PROMOTED DEHYDROCHLORINATION OF SODIUM ERYTHRO- AND THREO-9(10)-CHLORO-10(9)-HYDROXYOCTADECANOA (1977) (0)
- The Pseudo‐Michael Reaction of 1‐Aryl‐4,5‐dihydro‐1H‐imidazol‐2‐amines with Ethyl Ethoxymethylenecyanoacetate. (2013) (0)
- Electron ionization (EI) mass spectra of some 3,4-disubstituted-1,2,4-oxadiazin-5-ones and -thiones and 3,5-disubstituted 1,2,4-oxadiazin-6-ones (2010) (0)
- Multinuclear NMR Structural Study of 2,2,4-Trimethyl-1,3- dioxadecalanes - Fused Twist Conformations. (1997) (0)
- Mass spectral fragmentation of some cycloalkane‐condensed 4,5‐dihydro‐3(2H)‐pyridazinones and 4,5‐dihydro‐6H‐1,2‐oxazin‐6‐ones (1994) (0)
- DOES THE CONFORMATION PLAY A DECISIVE ROLE IN THE HYDROLYTIC DECOMPOSITION OF 2‐METHYL‐1,3‐OXATHIAN (1975) (0)
- Electron Ionization Mass Spectra of Some 4β‐Phenyl‐Substituted Cycloalkane‐cis‐Fused 1,3‐Oxazin‐2(3H)‐ones, ‐2(3H)‐thiones and 1,4‐ Oxazepin‐3(4H)‐ones. (1991) (0)
- CALCULATION OF THE ENTHALPIES OF FORMATION OF SUBSTITUTED CYCLOPROPENES (1999) (0)
- ISOMERIZATION AND FRAGMENTATION OF SOME IONIZED ALLYL AND 1-PROPENYL PHENYL ETHERS. DETERMINATION OF ENTHALPIES OF FORMATION OF ISOMERIC IONS C8H7O+ A ND C9H9O+ AND A NUMER OF MODEL IONS BY PHOTOIONIZATION AND CALCULATION METH ODS (1994) (0)
- A Correlation Analysis of C=N 13C Chemical Shifts. The Use of Substituted Benzaldehyde (2‐Hydroxycyclohexyl)hydrazones as Probes. (1995) (0)
- Bond-Bond Interactions in Organic Oxygen Compounds. Part III. Enthalpy of Formation of 2-(2-Methoxyethoxy)tetrahydropyran and the Contributory Group Increments. (1970) (0)
- Structural Characterization of Isomeric 2,3,5‐Substituted Tetrahydropyrrolo[3,4‐d]isoxazole‐4,6‐diones Prepared by Cycloaddition of N‐Methyl‐C‐arylnitrones to N‐Phenyl‐ or N‐Methylmaleimide. (2005) (0)
- Carbon-13 Nuclear Magnetic Resonance Chemical Shifts and the Twist Conformations of 1,3-Dioxanes. Geminal Substitution at the 4-Position: A Guaranty for the Chair Form? (1983) (0)
- SYNTHESIS OF 3,4-DIMETHYL-1-PHENYLPHOSPHOLE, 3,4-DIMETHYL-1-PHENYL-LAMBDA 5-PHOSPHOLE 1-OXIDE DIMER, AND 3,4-DIMETHYL-1-PHENYL-2,5-DIHYDRO-LAMBDA 5-PH OSPHOLE 1-OXIDE (1996) (0)
- Electron Impact Ionization Mass Spectra of Some 4,9‐Dihetero‐(X,X)‐ cyclodeca‐1,6‐dienes: Mono‐ and Dibenzo Analogues. (1994) (0)
- Molecular structures with a bifurcate hydrogen bond in solution and their role in the dynamics of the formation of ion pairs (1993) (0)
- PROPERTIES AND REACTIONS OF 1,3‐OXATHIOLANS PART 4, CONFORMATIONAL ANALYSIS OF 2‐ALKYL‐4‐METHYL‐ AND 2‐ALKYL‐2,4‐DIMETHYL‐1,3‐OXATHIOLANS WITH THE AID OF (1)H NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY AND CHEMICAL EQUILIBRATION (1974) (0)
- Conformational Analysis. VI. 6,6-Dialkyl- and 2,6,6-Trialkyl-4-oxo-1,3-dioxans. (1973) (0)
- Formation of 3,1-Perhydrobenzoxazines and Their N-Methyl Derivatives. The Effects of Epimerization and Temperature. (1990) (0)
- First Case of Ring—Chain Tautomerism of N‐Unsubstituted 1,2,3,4‐Tetrahydroquinazolines. (2003) (0)
- The reactions of 4-chloro-2-butanol and 3-chloro-1-butanol with aqueous sodium hydroxide, and 1-chloro-2-propanol, and 2-chloro-1-propanol with isopropyl amine (2011) (0)
- Tautomeric Equilibria in Solutions of the Products of Reaction Between 2‐Aminobenzenesulfonamide and 3‐Oxo Aldehydes. (2006) (0)
- Recyclization of 2‐Aminobenzylimines and Thioaroylhydrazones of N‐Substituted N‐Hydroxy‐3‐oxobutanamides. (2002) (0)
- Mass Spectral Study of Some Stereoisomeric 2-Thioxo- and 2-Oxo-perhydro-1,3- and 2-Thioxoperhydro-3,1-benzoxazines (1990) (0)
- A Convenient Synthesis of Polyfunctionally Substituted 2′,2′‐Bis(ethoxycarbonyl)methylene‐5′‐methoxycarbonyl(cyano)spiro [dihydroacridine‐9(10H),4′‐thiazolidines]. (1999) (0)
- 13C NMR Chemical Shifts 2nd Ring Conformations of 2-Hydroxy-1,3,2-dioxaborolane and 2-Hydroxy-1,3,2-dioxaborinane and Their Methyl Derivatives. (1986) (0)
- The Pseudo-Michael Reaction of 2-Aminoimidazolines-2. Part 1. Synthesis and Structure Assignment of Isomeric 5(1H)-Oxo and 7(1H)-Oxo-2,3-dihydroimidazo[1,2-a]pyrimidine-6-carboxylates (III)/(IV). (2003) (0)
- 13C CHEMICAL SHIFTS - SENSITIVE DETECTORS IN STRUCTURE DETERMINATION. 1. 13C NMR STUDIES OF SATURATED HETEROCYCLES. 4. METHYL-SUBSTITUTED 1,3-DIOXANES (1980) (0)
- CONFIGURATION AND STEREODYNAMICS OF EXOLENDO-ISOMERIC PUSH-PULL ALKENES OFPENTADIENE STRUCTURE (1999) (0)
- Studies on the γ-Effect. Part 2. The Constancy of the γ- Effect Caused by Methyl, Ethyl, Benzyl or Phenyl Substitution in Dihydrobenzoxazines. (1993) (0)
- CONFORMATIONAL ANALYSIS PART 6, 6,6-DIALKYL- AND 2,6,6-TRIALKYL-4-OXO-1,3-DIOXANS (1974) (0)
- Crystal Structure of 1-(4-Chlorophenyl)-5(1H)-oxo-2,3-dihydroimidazo[1,2-a]-pyrimidine-6-carbonitrile (2008) (0)
- Stereochemical Studies. Part 124. A New Aspect of the Leuckart Reaction: Synthesis of 1-Methyl and/or 3-Hydroxymethyl-1,3-heterocycles. (1987) (0)
- The Hydrolysis of 1,3-Dioxane and Its Derivatives. Part I. The Position of the Equilibrium and the Formal Kinetic Laws. (1965) (0)
- SOLVENT EFFECTS IN NMR SPECTROSCOPY PART 3, BENZENE‐INDUCED SHIFTS IN THE SPECTRA OF ALKYL‐SUBSTITUTED 4‐OXO‐1,3‐DIOXANS, EFFECT OF MOLECULAR VOLUME ON THE MAGNITUDE OF ASIS (1973) (0)
- CONFORMATIONAL ANALYSIS PART 5, 2,6-DIALKYL- AND 2,2,6-TRIALKYL-4-OXO-1,3-DIOXANS (1973) (0)
- Book reviews (1993) (0)
- Structures of Pyrrolo-1,3-heterocycles Prepared from 3-Aroylpropionic Acid and Cyclic Aminoalcohols: An NMR and X-Ray Diffraction Study. (1997) (0)
- Novel β‐Lactam Condensed 3‐Thiaquinolines: An Efficient Synthesis and Structural Characterization. (2008) (0)
- Synthesis of 1-Phenyl-3,4-dimethylphosphole (III) and 1-Phenyl-3,4- dimethylphosphole-1-oxide/1-Phenyl-3,4-dimethyl-2,5-dihydrophosphole-1- oxide Dimer (1996) (0)
- Mass spectrometry and pyrolytic decomposition of 2‐amino‐3′,4′,6‐trisubstituted isoflavones (1993) (0)
- 1H NMR Spectral Detection of the Intermediates Involved in the Acid-Catalyzed Hydrolysis of 2-Substituted 3-Methyl-1,3-oxazolidines (1988) (0)
- Determination of proanthocyanidins in forest floor under different tree species. In: Polyphenols Communications, XXII International Conference on Polyphenols. Hoikkala, A. & Soidinsalo, O. (eds.). Secretariat du Groupe Polyphenols (2004) (0)
- Dynamic NMR Study of the Electronic State of Heteroaromatics. Part 8. The Influence of the Exo- and Endocyclic Heteroatoms. (1991) (0)
- 17 of Freshwater Humic Matter (2006) (0)
- 1H- AND 13C-NMR AND ELECTRON IONIZATION (EI) MASS SPECTROMETRIC STUDY OF O- AND P-SUBSTITUTED 1,N-DIARYLSULFONYLALKANES, XC6H4SO2(CH2)NSO2C6H4 (N = 2- 5, 8, 10) (1998) (0)
- CONFORMATIONAL ANALYSIS. XXIII. CARBON-13 AND PROTON NMR CONFORMATIONAL STUDY Y OF 2-OXO-1,3-DIOXANE AND ITS METHYL DERIVATIVES (1983) (0)
- Chemical composition of mouthpart excretion of colorado potato beetle (Leptinotarsa decemlineata Say) (1989) (0)
- EI/CI mass spectra and the oxidation products of dobutamine under storing conditions (1983) (0)
- Synthesis and stereochemistry of some multi methyl-substituted 1,3-dioxanes (2012) (0)
- Stereochemical Studies. Part 149. Ring-Chain Tautomerism of 1,3-Oxazolidines Prepared from Norephedrine and Norpseudoephedrine (1989) (0)
- Saturated Heterocycles. Part 124. Stereochemical Studies. Part 123. A Simple Synthesis of Condensed N-Methyl-Substituted 1,3-Oxazines. (1987) (0)
- SIGNE VIGGOR Impact of biochemical parameters of genetically different pseudomonads at the degradation of phenolic compounds (2008) (0)
- IONIZATION AND APPEARANCE POTENTIALS IN STRUCTURAL ANALYSIS. PART 6. STRAIN ENERGIES IN ALKYL-SUBSTITUTED BENZENES, NAPHTHALENES, AND SOME OTHER RELATED SYSTEMS (1983) (0)
- Photochemical Oxidation of Benzyl Alcohol. Correction of Reported Structures. (1990) (0)
- Stereochemical Studies. Part 136. Saturated Heterocycles. Part 141. Synthesis and Conformational Study of Stereoisomeric 2,2-Disubstituted 5,6-Tri- and 5,6-Tetramethylene-tetrahydro-1,3-oxazin-4-ones (1988) (0)
- X-Ray Study of a Pentacyclic Partially Saturated Benzothiazolo(2,3-a) isoindolone (1993) (0)
- A tribute to Prof. Ferenc Fülöp (2011) (0)
- Synthesis and Ring-Chain Tautomerism of Stereoisomeric 1,3-Oxazines Condensed with the Cyclopentane Ring. (1989) (0)
- Tautomerism, Regioisomerism, and Cyclization Reactions of Acridinyl Thiosemicarbazides. (2006) (0)
- Conformational Spectroscopic Studies of trans-1,2-Bromoiodocyclohexane. (1971) (0)
- Stereochemical Studies. Part 133. Saturated Heterocycles. Part 137. Synthesis and Steric Structure of Stereoisomeric 2-p-Nitrophenylperhydroquinazolin-4-ones. (1988) (0)
- PROPERTIES AND REACTIONS OF 1,3-OXATHIOLANS. PART 6. CHEMICAL EQUILIBRATION AND PROTON NUCLEAR MAGNETIC RESONANCE CONFORMATIONAL STUDY OF 4,5-DIMETHYL-, 2,4,5-TRIMETHYL-, AND 2,2,4,5- AND 2,4,4,5-TETRAMETHYL-1,3-OXATHIOLANS (1977) (0)
- CONFORMATIONAL ANALYSIS PART 10, CHAIR-TWIST ENERGY DIFFERENCE IN 1,3-OXATHIANES (2002) (0)
- C-13 CHEMICAL-SHIFTS - SENSITIVE DETECTORS IN STRUCTURE DETERMINATION .2. C-13 NMR-STUDIES OF SATURATED HETEROCYCLES .5. C-13 NUCLEAR MAGNETIC-RESONANCE CHEMICAL-SHIFTS AND THE TWIST CONFORMATIONS OF 1,3-DIOXANES - GEMINAL SUBSTITUTION AT THE 4-POSITION - A GUARANTY FOR THE CHAIR FORM (1982) (0)
- Preparation of 1‐(o‐Aminobenzoyl)‐1‐methylhydrazines. (1992) (0)
- CONFORMATIONAL ANALYSIS PART 11, CHEMICAL EQUILIBRATION OF DIASTEREOISOMERIC ALKYL-1,3-DITHIONS, CONFORMATIONAL PREFERENCES OF ALKYL SUBSTITUENTS AND THE CHAIR-BOAT ENERGY DIFFERENCE, A REVISION OF THE CHAIR-BOAT ENERGY DIFFERENCE OF (1974) (0)
- Coupling Constants 1J(15N,31P) as a Probe for the Conformational Equilibria of 2‐Amino‐Substituted 1,3,2λ5‐Oxazaphosphinan‐2‐ones (I) and (II). (1998) (0)
- THE BASE-CATALYZED DECOMPOSITION OF 2,2,5,5-TETRAMETHYL-4,6-DIOXO-1,3-DIOXAN (DIMETHYL MELDRUM′S ACID) (1976) (0)
- Studies on the Benzoxazine Series. Part 1. Preparation and 1H and 13C NMR Structural Study of Some Substituted 3,4-Dihydro-2H-1,3-benzoxazines. (1988) (0)
- Electon Impact Ionization Mass Spectra of 2,4,5,5‐Tetrasubstituted 1,2, 4‐Triazolidine‐3‐thiones. The Effect of the Ethoxycarbonyl Group at Position 4. (2010) (0)
- Synthesis and Conformational Study of Stereoisomeric 2,2-Disubstituted 5,6-Tri- and 5,6-Tetramethylenetetrahydro-1,3-oxazin-4-ones. (1989) (0)
- Synthesis and conformational analysis of saturated cis-and trans-1,3,2-benzodiazaphosphinine 2-oxides (2006) (0)
- Conformational Complexity in Seven‐Membered Cyclic Triazepinone/Open Hydrazones. Part 1. 1D and 2D Variable Temperature NMR Study. (1997) (0)
- Functions Containing a Thiocarbonyl Group and at Least One Halogen; also at Least One Chalcogen and No Halogen (1996) (0)
- CARBON-13 NUCLEAR MAGNETIC RESONANCE STUDIES OF SATURATED HETEROCYCLES. PART III. CONFORMATIONAL ANALYSIS. PART XLIII. CARBON-13 CHEMICAL SHIFTS AND COUPLING CONSTANTS AS PROOF OF THE NONPLANARITY OF THE 2-OXO-1,3-DIOXOLANE RING (1978) (0)
- Formation of 1,3-Perhydrobenzoxazines and Their N-Methyl Derivatives. A Comparative Study. (1991) (0)
- An Efficient Synthesis of Stereoisomeric 2‐(Substituted)‐Aminocyclohexanecarboxamides. (1987) (0)
- 13C NMR Chemical Shifts. A Conformational Probe for 1-Alkoxyalkyl Esters (1986) (0)
- NMR, X-Ray and MS Investigations of Ethyl 2-Aroyl-and Ethyl 2-Arylcarbamoyl-4,5- dimethyl-1,2,3,6-tetrahydropyridazine-1- carboxylates: Flexible Multidentate Ligands (1999) (0)
- Synthesis and Mass Spectral Study of New Phenylsulfonyl Substituted Isoxazolidines. (2007) (0)
- CONFORMATIONAL ANALYSIS PART 12, 2,5‐ AND 2,6‐DIMETHYL‐2,3‐DIHYDRO‐1,4‐DIOXINS AND THEIR 300 MHZ PMR SPECTRA (1975) (0)
- Stereochemical Studies. Part 153. Synthesis, Reactions and Stereochemistry of 3-Hydroxymethyl-2,3-dihydro-4H-1,3-benzoxazin-4-one and Some Perhydrogenated Derivatives. (1992) (0)
- Electrophilic attacks on the hydroxyl group (2010) (0)
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