Collect. Czech. Chem. Commun.
1990, 55, 469-478
https://doi.org/10.1135/cccc19900469
N,N'-diphenylacetamidinium carboxylates
Jiří Krechla, Svatava Smrčkováa, Miroslav Ludwigb and Josef Kuthana
a Department of Organic Chemistry, Prague Institute of Chemical Technology, 166 28 Prague 6
b Department of Organic Chemistry, Institute of Chemical Technology, 532 10 Pardubice
Individual author index pages
Other CCCC articles of these authors
- Patrik Pařík* and Miroslav Ludwig
Analysis of Substituent Effects in Naphthalene Skeleton
2004, Vol. 69, Issue 12, pp. 2297–2314 [Abstract] - Jiří Kroulík*, Jan Čejka, Petr Sedmera, Alexandr Jegorov, Bohumil Kratochvíl and Josef Kuthan
Rearrangement of Substituted 2,4,4,6-Tetraaryl-4H-thiopyrans to Triaryl-3aH-benzo[3,4]cyclopenta[1,2-b]thiophene
2004, Vol. 69, Issue 8, pp. 1631–1642 [Abstract] - Martin Mansfeld, Patrik Pařík* and Miroslav Ludwig
Effect of para Substitution on Dissociation of N-Phenylbenzenesulfonamides
2004, Vol. 69, Issue 7, pp. 1479–1490 [Abstract] - Jiří Nádvorník and Miroslav Ludwig*
Ortho Effect in Dissociation of Substituted N-Phenylbenzenesulfonamides
2001, Vol. 66, Issue 9, pp. 1380–1392 [Abstract] - Ingrid Bauerová and Miroslav Ludwig*
Substituent Effects on the Base-Catalysed Hydrolysis of Phenyl Esters of ortho-Substituted Benzoic Acids
2001, Vol. 66, Issue 5, pp. 770–784 [Abstract] - Ingrid Bauerová* and Miroslav Ludwig
Substituent Effects on the Base-Catalysed Hydrolysis of Phenyl Esters of para-Substituted Benzoic Acids
2000, Vol. 65, Issue 11, pp. 1777–1790 [Abstract] - Radek Pohl, Jan Sýkora, Petr Maloň, Stanislav Böhm*, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. XIII. An Insight Into the Absolute Stereochemistry of Atropisomeric (Z)-3-(Imidazo[1,2-a]pyridin-3-yl)prop-2-en-1-ones
2000, Vol. 65, Issue 10, pp. 1643–1652 [Abstract] - Robert Klvaňa, Radek Pohl, Jan Pawlas, Jan Čejka, Hana Dvořáková, Richard Hrabal, Stanislav Böhm*, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. XII. Atropisomerism of (1-Aryl-3,5-diphenyl-1H-pyrrol-2-yl)(phenyl)methanones
2000, Vol. 65, Issue 5, pp. 651–666 [Abstract] - Patrik Pařík*, Jitka Wolfová and Miroslav Ludwig
Dissociation of Naphthoic Acids in Non-Aqueous Media. Comparison of Benzene and Naphthalene Skeletons
2000, Vol. 65, Issue 3, pp. 385–394 [Abstract] - Stanislav Böhm*, Radek Pohl and Josef Kuthan
Sterically Crowded Heterocycles. XI. A Semiempirical Prediction of Enantiomerization Barriers for Substituted (Z)-3-(Imidazo[1,2-a]pyridin-3-yl)-1-phenylprop-2-en-1-ones
1999, Vol. 64, Issue 11, pp. 1761–1769 [Abstract] - Miroslav Ludwig*, Iva Bednářová and Patrik Pařík
Effect of Medium on Acid-Catalyzed Decomposition of N-(Phenylazo)-Substituted Nitrogen Heterocycles
1999, Vol. 64, Issue 10, pp. 1654–1672 [Abstract] - Radek Pohl, Stanislav Böhm and Josef Kuthan*
Sterically Crowded Heterocycles. X. A New Mechanistic Approach to the Ferricyanide Oxidation of 4,6'-Disubstituted 1-(Pyridin-2'-yl)-2,6-diphenylpyridinium Salts
1999, Vol. 64, Issue 8, pp. 1274–1294 [Abstract] - Miroslav Ludwig and Ingrid Bauerová
Steric Effects in the Base-Catalyzed Cyclization of 1-[2-(Methoxycarbonyl)phenyl]-3-(2-substituted Phenyl)triazenes
1998, Vol. 63, Issue 12, pp. 2075–2084 [Abstract] - Jiří Kroulík, Martin Chadim, Miroslav Polášek, Stanislav Nešpůrek and Josef Kuthan
Synthesis of Some New Functionalized 2,4,4,6-Tetraphenyl-4H-thiopyrans and Study on Their Photocolouration
1998, Vol. 63, Issue 5, pp. 662–680 [Abstract] - Patrik Pařík and Miroslav Ludwig
Acid-Base Properties of Substituted Naphthoic Acids in Nonaqueous Media
1997, Vol. 62, Issue 11, pp. 1737–1746 [Abstract] - Stanislav Böhm, Tomáš Strnad, Iveta Ruppertová and Josef Kuthan
Sterically Crowded Heterocycles. IX. New α,β-Unsaturated Ketones Containing Imidazo[1,2-a]quinoline, Imidazo[2,1-a]isoquinoline, Benzo[h]imidazo[1,2-a]quinoline and Imidazo[1,2-a]-1,10-phenanthroline Moieties
1997, Vol. 62, Issue 10, pp. 1599–1611 [Abstract] - Ali Werfeli, Jan Čejka, Ondřej Klecán, Bohumil Kratochvíl and Josef Kuthan
Preparation of New Optically Active Furanoids Containing Various Aza-Heterocyclic Moieties
1997, Vol. 62, Issue 6, pp. 894–912 [Abstract] - Richard Kubík, Stanislav Böhm, Jan Čejka, Vladimír Havlíček, Tomáš Strnad, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. VIII. Preparative Photoisomerization of Some Imidazo[1,2-a]pyridines
1996, Vol. 61, Issue 10, pp. 1473–1488 [Abstract] - Jan Čejka, Richard Kubík, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. VI. Relative Configuration of Diastereoisomeric (Z)-1,3-Diphenyl-3-(5-methyl-2-phenylimidazo[1,2-a]pyridin-3-yl)prop-2-en-1-ols
1996, Vol. 61, Issue 9, pp. 1380–1385 [Abstract] - Ali Werfeli, Svatava Voltrová, Viktor Prutianov and Josef Kuthan
Optically Active Furanoids Containing Cytosine-, Adenine- and Nicotinamide-Like Moieties
1996, Vol. 61, Issue 8, pp. 1223–1232 [Abstract] - Miroslav Ludwig and Pavel Štverka
Effects of Medium and Substituents on Dissociationof 4,4'-Disubstituted Bis(benzenesulfon)imides
1996, Vol. 61, Issue 8, pp. 1205–1214 [Abstract] - Richard Kubík, Stanislav Böhm and Josef Kuthan
Sterically Crowded Heterocycles. VII. Reduction of Some (Z)-1,3-Diphenyl-3-(2-phenylimidazo[1,2-a]pyridin-3-yl)prop-2-en-1-ones as Their Axial Chirality Probe
1996, Vol. 61, Issue 7, pp. 1018–1026 [Abstract] - Richard Kubík and Josef Kuthan
Sterically Crowded Heterocycles. V. Incorporation of Melamine and Adenine Moieties into Imidazo[1,2]heteroaromatic Molecules
1996, Vol. 61, Issue 5, pp. 770–773 [Abstract] - Richard Kubík and Josef Kuthan
Sterically Crowded Heterocycles. IV. Diastereoisomeric Products by Ferricyanide Oxidation of Quaternary Pyridinium Salts
1996, Vol. 61, Issue 4, pp. 615–621 [Abstract] - Stanislav Böhm, Iveta Ruppertová, Vladimír Havlíček and Josef Kuthan
On Some 2,4,6-Triphenylpyridinium 2-Benzimidazolate Inner Salts
1996, Vol. 61, Issue 4, pp. 597–604 [Abstract] - Miroslav Ludwig and Miriam Kabíčková
Kinetics and Mechanism of Acid-Catalyzed Decomposition of 1,3-Bis(4-methylphenyl)triazene in Hexane-Organic Acid Medium
1996, Vol. 61, Issue 3, pp. 355–363 [Abstract] - Richard Kubík, Stanislav Böhm, Iveta Ruppertová and Josef Kuthan
Sterically Crowded Heterocycles. III. A General Approach to Imidazo[1,2-a]pyridines by Ferricyanide Oxidation of Quaternary Pyridinium Salts
1996, Vol. 61, Issue 1, pp. 126–138 [Abstract] - Stanislav Böhm, Mojmír Adamec, Stanislav Nešpůrek and Josef Kuthan
Photocolouration of 2,4,4,6-Tetraaryl-4H-pyrans and Their Heteroanalogues: Importance of Hypervalent Photoisomers
1995, Vol. 60, Issue 10, pp. 1621–1633 [Abstract] - Miroslav Ludwig, Patrik Pařík and Jiří Kulhánek
A Study of Transmission Effects of Sulfonyl and Carbonyl Groups
1995, Vol. 60, Issue 5, pp. 841–850 [Abstract] - Jan Ondráček, Svetlana Pakhomova, Bohumil Kratochvíl and Svatava Smrčková
Crystal and Molecular Structure Determination of N,N'-Diphenylacetamidinium Trifluoroacetate
1995, Vol. 60, Issue 4, pp. 576–582 [Abstract] - Kristina Juricová, Svatava Smrčková and Antonín Holý
Synthesis of Base-Modified "Abbreviated" NAD Analogues
1995, Vol. 60, Issue 2, pp. 237–250 [Abstract] - Stanislav Böhm, Richard Kubík, Martin Hradilek, Jan Němeček, Michal Hušák, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. II. Conformational Structure of 2-Phenyl-3-[(Z)-1,3-diphenyl-3-oxopropenyl]imidazo[1,2-a]pyridine and Related Compounds
1995, Vol. 60, Issue 1, pp. 115–126 [Abstract] - Stanislav Böhm, Richard Kubík, Martin Hradilek, Jan Němeček, Michal Hušák, Svetlana Pakhomova, Jan Ondráček, Bohumil Kratochvíl and Josef Kuthan
Sterically Crowded Heterocycles. I. Molecular Structure of 3-Chain Substituted 2-Phenylimidazo[1,2-a]pyridinium Salts
1994, Vol. 59, Issue 12, pp. 2677–2690 [Abstract] - Pavel Šebek, Jiří Kroulík, Petr Sedmera, Vladimír Havlíček and Josef Kuthan
Reactions of 2,4,4,6-Tetraaryl-4H-thiopyrans with Chlorine: An Unusual Reaction Route
1994, Vol. 59, Issue 10, pp. 2269–2281 [Abstract] - Svatava Smrčková, Kristina Juricová and Viktor Prutianov
Study of Amino-Imino Tautomerism in Derivatives of 2-, 4- and 6-Aminonicotinic Acid
1994, Vol. 59, Issue 9, pp. 2057–2068 [Abstract] - Oldřich Pytela, Jiří Kulhánek and Miroslav Ludwig
Chemometrical Analysis of Substituent Effects. IV. Additivity of Substituent Effects in Dissociation of 3,5-Disubstituted Benzoic Acids in Organic Solvents
1994, Vol. 59, Issue 7, pp. 1637–1644 [Abstract] - Stanislav Böhm, Pavel Šebek, Stanislav Nešpůrek and Josef Kuthan
Photocolouration of 2,4,4,6-Tetraaryl-4H-thiopyrans: A Semiempirical Quantum Chemical Study
1994, Vol. 59, Issue 5, pp. 1115–1125 [Abstract] - Stanislav Böhm, Michal Hocek, Jan Němeček, Vladimír Havlíček and Josef Kuthan
Preparation and Spectroscopic Properties of Spirocyclic 1-Methyl-2,4,4,6-tetraaryl-1,4-dihydropyridines
1994, Vol. 59, Issue 5, pp. 1105–1114 [Abstract] - Oldřich Pytela, Jiří Kulhánek, Miroslav Ludwig and Václav Říha
Chemometrical Analysis of Substituent Effects. III. Additivity of Substituent Effects in Dissociation of 3,4-Disubstituted Benzoic Acids in Organic Solvents
1994, Vol. 59, Issue 3, pp. 627–638 [Abstract] - Miroslav Ludwig, Pavla Valášková and Oldřich Pytela
Kinetics and Mechanism of Acid Catalyzed Decomposition of 1-Phenyl-3,3-dialkyltriazenes
1994, Vol. 59, Issue 2, pp. 401–411 [Abstract] - Miroslav Ludwig, Jan Petržílek, Jiří Kulhánek and Oldřich Pytela
Effects of Substituents and Medium on Acidity of α,α-Bis(butylsulfonyl)toluenes
1994, Vol. 59, Issue 2, pp. 391–400 [Abstract] - Stanislav Böhm, Michal Hocek, Stanislav Nešpůrek and Josef Kuthan
Photocolouration of 2,4,4,6-Tetraaryl-1,4-dihydropyridines: A Semiempirical Quantum Chemical Study
1994, Vol. 59, Issue 2, pp. 262–272 [Abstract] - Pavel Šebek, Petr Sedmera, Stanislav Böhm and Josef Kuthan
Sigmatropic Isomerization of Tetraphenylcyclopentadienes: Reaction Mechanism and Quantum Chemical Treatment
1993, Vol. 58, Issue 4, pp. 882–892 [Abstract] - Pavel Šebek, Petr Sedmera and Josef Kuthan
Photochemical Transformations of 2,4,4,6-Tetraphenyl-4H-thiopyran-1,1-dioxide and Some Its para-Substituted Derivatives
1993, Vol. 58, Issue 4, pp. 869–881 [Abstract] - Pavel Šebek, Jiří Novotný, Bohumil Kratochvíl, Marián Schwarz and Josef Kuthan
Conformation Dependent Cyclizations of 1,3,3,5-Tetraphenylpentane-1,5-dione
1992, Vol. 57, Issue 11, pp. 2383–2399 [Abstract] - Stanislav Böhm, Richard Kubík, Jan Němeček and Josef Kuthan
Oxidative and Basic Transformations of Some 1-Heteroaryloligophenylpyridinium Salts. Limitations to the Applicability of Ferricyanide Oxidation
1992, Vol. 57, Issue 8, pp. 1672–1683 [Abstract] - Marián Schwarz, Pavel Šebek and Josef Kuthan
Electrophilic 3,5-Substitution of 2,4,4,6-Tetraphenyl-4H-pyran and Some of Its 1-Heteroanalogues
1992, Vol. 57, Issue 3, pp. 546–555 [Abstract] - Stanislav Böhm, Richard Kubík, Jiří Novotný, Jan Ondráček, Bohumil Kratochvíl and Josef Kuthan
Reinvestigation of heterocyclic structures: Oxidation products from 1-substituted 2,4,6-triphenylpyridinium salts
1991, Vol. 56, Issue 11, pp. 2326–2339 [Abstract] - Antonín Kurfürst, Pavel Lhoták, Petr Nádeník, Františka Raclová-Pavlíková and Josef Kuthan
2-(Biphenyl-4-yl)-5-phenyl-1,3,4-oxadiazole (PBD): Electrophilic 4’-substitution and following transformations
1991, Vol. 56, Issue 7, pp. 1495–1504 [Abstract] - Antonín Kurfürst, Josef Kuthan, Pavel Lhoták, Petr Nádeník, Werner Schroth and Roland Spitzner
4-(5-Phenyl-1,3,4-oxadiazol-2-yl)biphenyl-4'-carboxylic acid: Its functional derivatives and their heterocyclization into 1,3-thiazine-6-thiones
1990, Vol. 55, Issue 11, pp. 2722–2730 [Abstract] - Oldřich Pytela, Jaroslava Hálová and Miroslav Ludwig
Interpretation of chromatographic characteristics of mobile phase in liquid chromatography by means of solvent parameters
1990, Vol. 55, Issue 11, pp. 2629–2635 [Abstract] - Jiří Krechl, Šárka Beranová, Věra Volkeová, Jiří Volke and Josef Kuthan
Polarographic reduction of 1-benzyl-N-(p-X-phenyl)-3-aminocarbonylpyridinium salts
1990, Vol. 55, Issue 8, pp. 2008–2018 [Abstract] - Bohumil Kratochvíl, Jiří Novotný, Svatava Smrčková and Jiří Krechl
Structure determination of N,N'-diphenylacetamidinium oxalate
1990, Vol. 55, Issue 2, pp. 479–484 [Abstract] - Jiří Krechl, Svatava Smrčková and Josef Kuthan
Benzamidinium benzoates
1990, Vol. 55, Issue 2, pp. 460–468 [Abstract] - Oldřich Pytela, Taťjana Nevěčná and Miroslav Ludwig
Solvent effects on kinetics and mechanism of acid-catalyzed decomposition of 1,3-bis(4-methylphenyl)-triazene II. Reactions in aprotic solvents
1990, Vol. 55, Issue 1, pp. 156–164 [Abstract] - Taťjana Nevěčná, Oldřich Pytela, Miroslav Ludwig and Jaromír Kaválek
Solvent effects on kinetics and mechanism of acid-catalyzed decomposition of 1,3-bis(4-methylphenyl)triazene I. Reactions in alcohols
1990, Vol. 55, Issue 1, pp. 147–155 [Abstract] - Josef Jirman, Antonín Lyčka and Miroslav Ludwig
13C and 15N NMR spectra of oximes prepared by nitrosation of activated methylene group
1990, Vol. 55, Issue 1, pp. 136–146 [Abstract] - Stanislav Böhm and Josef Kuthan
Quantum chemical prediction of 2H-pyran vibration spectrum
1990, Vol. 55, Issue 1, pp. 10–20 [Abstract] - Jiří Krechl, Svatava Smrčková, Františka Pavlíková and Josef Kuthan
p-Substituted benzamidinium carboxylates
1989, Vol. 54, Issue 9, pp. 2415–2424 [Abstract] - Marián Schwarz and Josef Kuthan
Reaction of organolithium compounds with 1-substituted 2,4,6-triphenylpyridinium perchlorates
1989, Vol. 54, Issue 7, pp. 1880–1887 [Abstract] - Marián Schwarz and Josef Kuthan
Alkylation of 2,4,4,6-tetraphenyl-1,4-dihydropyridine
1989, Vol. 54, Issue 7, pp. 1870–1879 [Abstract] - Marián Schwarz, Petr Trška and Josef Kuthan
NMR spectroscopic investigation of p-substituted 2,4,4,6-tetraphenyl-1,4-dihydropyridines and their oxa and thia analogues
1989, Vol. 54, Issue 7, pp. 1854–1869 [Abstract] - Jiří Krechl, Stanislav Böhm and Josef Kuthan
Electronic spectral properties of redox coenzyme pyrroloquinoline quinone: A CNDO-CI study
1989, Vol. 54, Issue 5, pp. 1203–1208 [Abstract] - Jiří Krechl, Stanislav Böhm, Svatava Smrčková and Josef Kuthan
Simple amidinium carboxylates - An MO treatment of molecular geometry and electronic structure
1989, Vol. 54, Issue 3, pp. 673–683 [Abstract] - Antonín Kurfürst, Pavel Lhoták, Miroslav Petrů and Josef Kuthan
Oligophenylene 2,4,6-triarylpyridines and analogous diaza-p-terphenyls, diaza-p-quaterphenyls and diaza-p-quinquephenyls with luminiscent activity
1989, Vol. 54, Issue 2, pp. 462–472 [Abstract] - Stanislav Böhm, Hanuš Slavík and Josef Kuthan
Ferricyanide oxidation of 1-substituted pentaphenylpyridinium salts. A novel route to 1-substituted 2,3,4,5-tetraphenylpyrroles
1989, Vol. 54, Issue 1, pp. 200–205 [Abstract] - Jiří Krechl and Josef Kuthan
An MO cavity model of enzyme catalysis: Semiempirical calculations of reaction courses of acetaldehyde reduction and ethanol oxidation by an NAD model
1989, Vol. 54, Issue 1, pp. 1–17 [Abstract] - Oldřich Pytela and Miroslav Ludwig
A description of effect of composition of mixed binary solvents on processes in solutions
1988, Vol. 53, Issue 4, pp. 671–685 [Abstract] - Stanislav Böhm and Josef Kuthan
A contribution to gas phase ionization of para-hydroxybenzoic acid: An LCAO-MO-SCF treatment
1988, Vol. 53, Issue 4, pp. 665–670 [Abstract] - Miroslav Ludwig, Oldřich Pytela, Helena Javůrková and Miroslav Večeřa
Analysis of substituent and solvent effects on dissociation of N-phenylbenzenesulphonamides
1987, Vol. 52, Issue 12, pp. 2900–2908 [Abstract] - Oldřich Pytela, Martin Kaska, Miroslav Ludwig and Miroslav Večeřa
Solvolysis kinetics and mechanism of substituted 3-acetyl-1,3-diphenyltriazenes in acid medium; Kinetic acidity function
1987, Vol. 52, Issue 9, pp. 2212–2216 [Abstract] - Ivan Danihel, Pavol Kristian, Stanislav Böhm and Josef Kuthan
A study of structure of meta and para substituted phenyl and benzoyl isothiocyanates by the MNDO method
1987, Vol. 52, Issue 9, pp. 2115–2124 [Abstract] - Jiří Krechl, Daniela Mižaninová, Jiří Volke and Josef Kuthan
Polarographic reduction of p–substituted 1-phenyl-3-aminocarbonylpyridinium salts
1987, Vol. 52, Issue 6, pp. 1550–1560 [Abstract] - Stanislav Böhm, Renata Prantová, David Šaman, Petr Trška and Josef Kuthan
Reaction of some nucleophiles with 2,6-di-tert-butylpyrylium perchlorate
1987, Vol. 52, Issue 5, pp. 1305–1314 [Abstract] - Stanislav Böhm and Josef Kuthan
MO study of 2,2,4-trimethyl-2H-pyran, the simplest stable 2H-pyran derivative
1987, Vol. 52, Issue 2, pp. 399–408 [Abstract] - Oldřich Pytela, Miroslav Ludwig and Miroslav Večeřa
The Hammett substituent constants and effects of medium
1986, Vol. 51, Issue 10, pp. 2143–2150 [Abstract] - Miroslav Ludwig, Václav Baron, Karel Kalfus, Oldřich Pytela and Miroslav Večeřa
Dissociation constants of substituted benzoic acids in water and in organic solvents
1986, Vol. 51, Issue 10, pp. 2135–2142 [Abstract] - Miroslav Ludwig, Oldřich Pytela and Miroslav Večeřa
Solvent effects on dissociation of substituted benzenesulphonamides in acetone, 1,2-dichloroethane, tetramethylene sulphone, pyridine and some aqueous organic solvent mixtures
1986, Vol. 51, Issue 9, pp. 1948–1957 [Abstract] - Štefan Marchalín, Jan Fähnrich, Milan Popl and Josef Kuthan
New organic luminophores on the basis of cyano- and dicyanopyridines
1986, Vol. 51, Issue 5, pp. 1061–1070 [Abstract] - Oldřich Pytela, Stanislava Štumrová, Miroslav Ludwig and Miroslav Večeřa
Kinetic acidity function and solvolysis of 3-hydroxy-1,3-diphenyltriazenes
1986, Vol. 51, Issue 3, pp. 564–572 [Abstract] - Oldřich Pytela, Václav Vala, Miroslav Ludwig and Miroslav Večeřa
Modeling of hydrolysis mechanism of 3-hydroxytriazenes in strongly acidic medium
1986, Vol. 51, Issue 2, pp. 347–357 [Abstract] - Hans-Jörg Hofmann, Christine Bartzsch, Cornelius Weiss and Josef Kuthan
A MO treatment of solvent influence on the amide group rotation in 1-methylnicotinamides
1985, Vol. 50, Issue 11, pp. 2438–2442 [Abstract] - Štefan Marchalín and Josef Kuthan
Synthesis of 3,5-dicyano-4-phenyl-2,6-bis(4-p-terphenylyl)-1,4-dihydropyridine. An attempt at extending the Hantzsch synthesis
1985, Vol. 50, Issue 9, pp. 1962–1970 [Abstract] - Štefan Marchalín, Václav Jehlička, Stanislav Böhm, Petr Trška and Josef Kuthan
Molecular structure of para-substituted 3-aryl-2-arylmethylene-3-oxopropanenitriles in solution phase
1985, Vol. 50, Issue 9, pp. 1935–1947 [Abstract] - Štefan Marchalín and Josef Kuthan
Synthesis of cyano derivatives with diazaquaterphenyl skeleton
1985, Vol. 50, Issue 8, pp. 1870–1877 [Abstract] - Štefan Marchalín and Josef Kuthan
Cyclocondensation reactions of 3-aryl-2-benzylidene-3-oxopropanenitriles with acetylaromatic derivatives
1985, Vol. 50, Issue 8, pp. 1862–1869 [Abstract] - Antonín Kurfürst and Josef Kuthan
Reaction of 3,5-dicyano-2,4,4,6-tetramethyl-1,4-dihydropyridine with nitric acid
1984, Vol. 49, Issue 11, pp. 2620–2627 [Abstract] - Miroslav Ludwig, Oldřich Pytela and Miroslav Večeřa
Solvent effect in dissociation of substituted benzenesulphonamides in dimethylformamide, dimethyl sulphoxide, and acetonitrile
1984, Vol. 49, Issue 11, pp. 2593–2601 [Abstract] - Štefan Marchalín and Josef Kuthan
A new approach to 5H-pyrano[2,3-d]pyrimidine derivatives
1984, Vol. 49, Issue 10, pp. 2309–2314 [Abstract] - Štefan Marchalín and Josef Kuthan
Cyclocondensation reactions of 4-R-benzylidene-4-phenylbenzoylacetonitriles with cycloalkanones
1984, Vol. 49, Issue 6, pp. 1395–1408 [Abstract] - Miroslav Ludwig, Oldřich Pytela, Karel Kalfus and Miroslav Večeřa
Dissociation of substituted benzenesulphonamides in water, methanol and ethanol
1984, Vol. 49, Issue 5, pp. 1182–1192 [Abstract] - Josef Kuthan, Jiří Krechl, Martin Bělohradský and Petr Trška
Mechanism of 1-phenyl-1,4-dihydropyridine formation in reaction of 1-phenylpyridinum chloride with alkali metal alkoxides
1984, Vol. 49, Issue 3, pp. 597–602 [Abstract] - Petr Nesvadba and Josef Kuthan
Oxidation of 1,2,3,4,6-substituted pyridinium salts with ferricyanide
1984, Vol. 49, Issue 2, pp. 543–548 [Abstract] - Štefan Marchalín, Petr Trška and Josef Kuthan
13C NMR and IR study of substitution effects and mass spectra of biphenyl analogues of α-cyanochalcones
1984, Vol. 49, Issue 2, pp. 421–432 [Abstract] - Otakar Červinka, Anna Fábryová, Jan Josef, Vladimír Sermek and Svatava Smrčková
[3,3]-Sigmatropic reactions in the enamine series
1983, Vol. 48, Issue 12, pp. 3407–3412 [Abstract] - Petr Nesvadba, Petr Štrop and Josef Kuthan
A new heterocyclic ring closure in ferricyanide oxidation of 2,4,6-triphenylpyridinium salts
1983, Vol. 48, Issue 11, pp. 3307–3314 [Abstract] - Štefan Marchalín and Josef Kuthan
The use of 4-R1-benzylidene-4-phenylbenzoylacetonitriles for synthesis of unsymmetrically substituted 3,5-dicyano-1,4-dihydropyridines and 2-amino-4H-pyrans
1983, Vol. 48, Issue 11, pp. 3123–3129 [Abstract] - Štefan Marchalín and Josef Kuthan
Synthesis and spectral properties of 4-substituted 2,6-bis-(4-biphenylyl)-3,5-dicyano-1,4-dihydropyridines
1983, Vol. 48, Issue 11, pp. 3112–3122 [Abstract] - Petr Nesvadba and Josef Kuthan
Oxidative elimination of phenyl group from α position of quaternary quinolinium salts
1983, Vol. 48, Issue 10, pp. 2965–2969 [Abstract] - Františka Pavlíková-Raclová and Josef Kuthan
Polarographic reduction of 1-(p-substituted benzyl)-3-cyanopyridinium chlorides
1983, Vol. 48, Issue 8, pp. 2273–2283 [Abstract] - Stanislav Böhm and Josef Kuthan
An ab initio MO study of conformation structure of nicotinamide and its derivatives
1983, Vol. 48, Issue 7, pp. 1842–1853 [Abstract] - Antonín Kurfürst and Josef Kuthan
Chemical transformations of nitromethyl group in 3,5-dicyano-1,4,4,6-tetramethyl-2-nitromethyl-1,4-dihydropyridine
1983, Vol. 48, Issue 6, pp. 1718–1728 [Abstract] - Antonín Kurfürst and Josef Kuthan
Quantum-chemical interpretation of electronic absorption spectra of the Hantzsch 1,4-dihydropyridines
1983, Vol. 48, Issue 5, pp. 1422–1429 [Abstract] - Františka Pavlíková-Raclová and Josef Kuthan
Substituent effect in electrochemical and ferricyanide oxidations of para-substituted 1-benzyl-3-carbamoyl-1,4-dihydropyridines
1983, Vol. 48, Issue 5, pp. 1408–1421 [Abstract] - Františka Pavlíková-Raclová and Josef Kuthan
Substituent effect in addition of cyanide ion to p-substituted 1-benzyl-3-carbamoylpyridinium chlorides
1983, Vol. 48, Issue 5, pp. 1401–1407 [Abstract] - Stanislav Böhm and Josef Kuthan
Optimization of molecular geometry of meta-substituted benzoic acids and their anions by gradient CNDO/2 method
1983, Vol. 48, Issue 4, pp. 1019–1029 [Abstract] - Stanislav Böhm and Josef Kuthan
MO study of molecular and electronic structure of 2,2-dimethyl-2H-pyran and its acyclic valence isomers
1983, Vol. 48, Issue 4, pp. 1007–1018 [Abstract] - Jaroslav Paleček, Manfred Pavlík and Josef Kuthan
Chemical transformations of ethyl 3,5-dicyano-2,4,4,6-tetramethyl-1,4-dihydro-1-pyridyl acetate, sythesis of a new N-vinyl monomer
1983, Vol. 48, Issue 2, pp. 617–622 [Abstract] - Jaroslav Paleček, Manfred Pavlík and Josef Kuthan
N-alkylation of Hantzsch 1,4-dihydropyridines with esters of halogenocarboxylic acids
1983, Vol. 48, Issue 2, pp. 608–616 [Abstract] - Petr Nesvadba and Josef Kuthan
Oxidative elimination of tert-butyl group from α position of quarternary pyridinium salts
1983, Vol. 48, Issue 2, pp. 511–516 [Abstract] - Jiří Krechl and Josef Kuthan
Molecular geometry of ribofuranoses obtained from semi-empirical MO calculations
1983, Vol. 48, Issue 2, pp. 504–510 [Abstract] - Jiří Krechl and Josef Kuthan
Semi-empirical MO study of refractions modelling biochemical oxidation of ethanol
1983, Vol. 48, Issue 2, pp. 484–503 [Abstract] - Stanislav Böhm and Josef Kuthan
Optimization of molecular geometry of para-substituted benzoic acids and their anions by means of gradient CNDO/2 method
1982, Vol. 47, Issue 12, pp. 3393–3404 [Abstract] - Josef Kuthan, Jiří Krechl and Martin Bělohradský
Preparation of 1-phenyldihydropyridines polydeuterated in their heterocyclic ring
1982, Vol. 47, Issue 12, pp. 3283–3287 [Abstract] - Jiří Krechl, Stanislav Böhm and Josef Kuthan
Quantum-chemical MO study of protonation of 1-methyl-1,4-dihydronicotinamide
1982, Vol. 47, Issue 11, pp. 3044–3054 [Abstract] - Josef Kuthan and Františka Pavlíková-Raclová
Polarographic reduction of p-substituted 1-benzyl-3-carbamoylpyridinium chlorides
1982, Vol. 47, Issue 11, pp. 2890–2903 [Abstract] - Stanislav Böhm and Josef Kuthan
ab initio MO-SCF study of prototropic transformations of non-substituted dihydropyridines
1982, Vol. 47, Issue 10, pp. 2735–2745 [Abstract] - Jiří Krechl and Josef Kuthan
A CNDO/2 study of reactivity of methylene group in 1-methyl-1,4-dihydronicotinamide
1982, Vol. 47, Issue 6, pp. 1621–1631 [Abstract] - Petr Nesvadba and Josef Kuthan
Oxidation of polysubstituted pyridinium salts
1982, Vol. 47, Issue 5, pp. 1494–1502 [Abstract] - Miroslav Ludwig, Oldřich Pytela and Miroslav Večeřa
Salt effect in hydrolysis of 3-acyl-1,3-diphenyltriazenes
1981, Vol. 46, Issue 12, pp. 3104–3109 [Abstract] - Dušan Ilavský and Josef Kuthan
Electronic spectra of 2- and 4-substituted 3,5-dicyano-6-methylpyridines
1981, Vol. 46, Issue 11, pp. 2687–2695 [Abstract] - Stanislav Böhm and Josef Kuthan
Comparison of non-empirical and semiempirical SCF MO calculations of non-substituted dihydropyridines
1981, Vol. 46, Issue 9, pp. 2068–2075 [Abstract] - Josef Kuthan and Stanislav Böhm
MO study of molecular and electronic structure of 2H and 4H-pyrans
1981, Vol. 46, Issue 3, pp. 759–771 [Abstract] - Josef Kuthan, Jaroslav Paleček and Jiří Valihrach
Stable 2H-pyran derivatives accessible by cyclocondensation of p-substituted benzoylacetonitriles
1981, Vol. 46, Issue 3, pp. 748–758 [Abstract] - Jiří Krechl and Josef Kuthan
CNDO/2 study of interaction of 1-methyl-1,4-dihydronicotinamide and acetaldehyde
1981, Vol. 46, Issue 3, pp. 740–747 [Abstract] - Jaroslav Paleček, Jaroslav Kopecký and Josef Kuthan
N-alkylation of 3,5-dicyano-2,4,4,6-tetramethyl-1,4-dihydropyridine with some α,ω-dihalogeno-N-alkenes
1980, Vol. 45, Issue 12, pp. 3370–3377 [Abstract] - Josef Kuthan, Antonín Kurfürst, Františka Raclová and Jiří Volke
Polarographic reduction of 2-nitromethyl-4,4,6-trimethyl-3,5-dicyano-1,4-dihydropyridine and of its 4,4-spiroanalogues
1980, Vol. 45, Issue 11, pp. 2938–2948 [Abstract] - Jiří Krechl and Josef Kuthan
EHT study of reactivity of methylene group in 1-methyl-1,4-dihydronicotinamide
1980, Vol. 45, Issue 9, pp. 2425–2432 [Abstract] - Ivan Danihel and Josef Kuthan
Quantum-chemical study of dissociation of meta and para substituted benzoic acids at all-valence-electrons level
1980, Vol. 45, Issue 8, pp. 2201–2214 [Abstract] - Jiří Krechl and Josef Kuthan
On applicability of CNDO/S-ci method to calculation of electronic spectra. 1-Methyl-3-carbamoylpyridinium cation and 1,4-dihydronicotinamide
1980, Vol. 45, Issue 8, pp. 2194–2200 [Abstract] - Jiří Krechl and Josef Kuthan
EHT study of system 1-methyl-1,4-dihydronicotinamide-acetaldehyde
1980, Vol. 45, Issue 8, pp. 2187–2193 [Abstract] - Josef Kuthan, Stanislav Böhm and Jiří Mostecký
Quantum-chemical calculation as an aid in synthesis of prostaglandins, attempt of prediction of relative stability of four stereoisomeric methyl 7-hydroxy-2-oxa-3-oxobicyclo[3.3.0]octane-6-carboxylates
1980, Vol. 45, Issue 8, pp. 2179–2186 [Abstract] - Ivan Danihel, Pavol Kristian, Josef Kuthan and Mária Minčíková
Quantum-chemical study of substituent effects in meta and para substituted phenyl isothiocyanates in π-electronic approximation
1980, Vol. 45, Issue 4, pp. 1056–1064 [Abstract] - Antonín Kurfürst, Františka Raclová and Josef Kuthan
Nitration of some polyalkyl-3,5-dicyano-1,4-dihydropyridines and fragmentation of their products by electron impact
1980, Vol. 45, Issue 2, pp. 397–405 [Abstract] - Dušan Ilavský, Václav Jehlička and Josef Kuthan
Structure of reaction product of 3-aminocrotononitrile with esters of alkoxymethylenecyanoacetic acid
1979, Vol. 44, Issue 11, pp. 3288–3295 [Abstract] - Hans-Jörg Hofmann and Josef Kuthan
On the conformational structure of nicotinamide and methyl-1,4-dihydronicotinamide
1979, Vol. 44, Issue 9, pp. 2633–2638 [Abstract] - Josef Kuthan, Petr Nesvadba, Milan Popl and Jan Fähnrich
Some 3-cyano-4,6-diaryl-2-pyridones with luminiscent properties
1979, Vol. 44, Issue 8, pp. 2409–2416 [Abstract] - Dušan Ilavský, Jiří Krechl, Petr Trška and Josef Kuthan
Electronic structure and properties of alkoxymethylenemalonic acid derivatives
1979, Vol. 44, Issue 5, pp. 1423–1433 [Abstract] - Josef Kuthan, Dušan Ilavský and Jiří Krechl
Electronic absorption spectra and π-electron structure of 2-propenylidene-1,2-dihydropyridine and its derivatives
1979, Vol. 44, Issue 3, pp. 884–894 [Abstract] - Ivan Danihel and Josef Kuthan
Contribution to study of π-electronic effects in monosubstituted benzenes
1979, Vol. 44, Issue 3, pp. 873–883 [Abstract] - Josef Kuthan, Stanislav Böhm and Vratislav Skála
On applicability of EHT method for study of interactions of pyridinium ions with anions. Calculations of pyridine hydrochloride
1979, Vol. 44, Issue 1, pp. 99–109 [Abstract] - Josef Kuthan, Vratislav Skála and Stanislav Böhm
EHT-study of 1-methylpyridinium fluoride and tetrafluoroborate
1978, Vol. 43, Issue 11, pp. 3071–3078 [Abstract] - Vratislav Skála and Josef Kuthan
EHT study of interaction of 1-methyl-3-carbamoylpyridinium with cyanide
1978, Vol. 43, Issue 11, pp. 3064–3070 [Abstract] - Josef Kuthan, Vratislav Skála and Stanislav Böhm
EHT demonstration of ionic structure of 1-methyl-3-carbamoylpyridinium fluoride and tetrafluoroborate
1978, Vol. 43, Issue 11, pp. 3056–3063 [Abstract] - Vratislav Skála and Josef Kuthan
Contribution to EHT conformation analysis of 1-methyl-3-carbamoylpyridinium cation
1978, Vol. 43, Issue 11, pp. 3049–3055 [Abstract] - Josef Kuthan, Dušan Ilavský, Jiří Krechl, Vladislav Kubelka and Petr Trška
New cyclocondensation reaction of 3-alkylaminocrotononitriles
1978, Vol. 43, Issue 8, pp. 2024–2036 [Abstract] - Josef Kuthan, Antonín Kurfürst, Zdeněk Prošek and Jaroslav Paleček
Substituent effect in 1H-NMR spectra of the Hantzsch 1,4-dihydropyridines. meta and para Substituted 4-phenyl derivatives
1978, Vol. 43, Issue 4, pp. 1068–1079 [Abstract] - Lubomír Musil, Jaroslav Paleček and Josef Kuthan
Substituent effect in electronic and 1H-NMR spectra of 1- and 4-alkylated 3,5-dicyano-2,6-dimethyl-1,4-dihydropyridines
1978, Vol. 43, Issue 4, pp. 946–959 [Abstract] - Josef Kuthan, Ivan Daniel and Vratislav Skála
Quantum chemical study of dissociation of meta and para substituted benzoic acids in π-electron approximation
1978, Vol. 43, Issue 2, pp. 447–462 [Abstract] - Vratislav Skála, Stanislav Böhm, Jaroslav Paleček and Josef Kuthan
Electronic and mass spectra of 2,6-disubstituted phenyl and 2-styryl derivatives of 3,5-dicyanopyridines and their 1,4-dihydroanalogues
1978, Vol. 43, Issue 2, pp. 434–446 [Abstract]