Collect. Czech. Chem. Commun.
1982, 47, 3393-3404
https://doi.org/10.1135/cccc19823393
Optimization of molecular geometry of para-substituted benzoic acids and their anions by means of gradient CNDO/2 method
Stanislav Böhm and Josef Kuthan
Department of Organic Chemistry, Prague Institute of Chemical Technology, 166 28 Prague 6
Individual author index pages
Other CCCC articles of these authors
- Ladislav Janovec, Stanislav Böhm, Ivan Danihel, Ján Imrich*, Pavol Kristian and Karel D. Klika
Theoretical Confirmation of the Reaction Mechanism Leading to Regioselective Formation of Thiazolidin-4-one from Bromoacetic Acid Derivatives
2007, Vol. 72, Issue 10, pp. 1435–1445 [Abstract] - Stanislav Böhm and Otto Exner*
Revision of the Dual-Substituent-Parameter Treatment; Reaction Series with a Donor Reaction Centre
2007, Vol. 72, Issue 8, pp. 1158–1176 [Abstract] - Jana Tomaščiková, Ján Imrich*, Ivan Danihel, Stanislav Böhm and Pavol Kristian
Heterocyclization of (Acridin-9-yl)thiosemicarbazides with Dimethyl Acetylenedicarboxylate
2007, Vol. 72, Issue 3, pp. 347–362 [Abstract] - Otto Exner* and Stanislav Böhm
Analysis of the Ortho Effect: Basicity of 2-Substituted Benzonitriles
2006, Vol. 71, Issue 8, pp. 1239–1255 [Abstract] - Stanislav Böhm and Otto Exner*
Estimation of Resonance Energy from Forced Nonplanar Conformations of Conjugated Molecules
2005, Vol. 70, Issue 10, pp. 1577–1588 [Abstract] - Stanislav Böhm and Otto Exner*
Interaction of Polar Groups with a Bulky Hydrocarbon Residue: Polarizability and Steric Effects
2005, Vol. 70, Issue 3, pp. 370–382 [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] - Stanislav Böhm and Otto Exner*
Attenuation of the Substituent Effects Along the Aliphatic Chain
2004, Vol. 69, Issue 5, pp. 984–995 [Abstract] - Juraj Bernát, Eva Balentová, Pavol Kristian*, Ján Imrich, Erik Sedlák, Ivan Danihel, Stanislav Böhm, Naďa Prónayová, Kalevi Pihlaja and Karel D. Klika
Methylation of Acridin-9-ylthioureas. Structure, Fluorescence and Biological Properties of Products
2004, Vol. 69, Issue 4, pp. 833–849 [Abstract] - Jan Čejka, Bohumil Kratochvíl, Stanislav Böhm, Ivana Císařová, Ladislav Cvak and Alexandr Jegorov*
Structural Study of Dopamine Agonist Lisuride
2003, Vol. 68, Issue 11, pp. 2150–2158 [Abstract] - Michal Hušák, Bohumil Kratochvíl, Ivana Císařová, Ladislav Cvak, Alexandr Jegorov* and Stanislav Böhm
Crystal Forms of Semisynthetic Ergot Alkaloid Terguride
2002, Vol. 67, Issue 4, pp. 479–489 [Abstract] - Otto Exner and Stanislav Böhm*
Resonance Energy in Benzene Derivatives with a Variable Functional Group
2001, Vol. 66, Issue 11, pp. 1623–1637 [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] - Daniel Alexander, Stanislav Böhm, Ivana Císařová, Petr Holý, Jaroslav Podlaha, Miroslav Šlouf and Jiří Závada*
Sterically Crowded Hexaalkyl Benzene-1,2,3,4,5,6-hexakis[α-(alkoxycarbonyl)propanoates]. Synthesis and Conformation Analysis
2000, Vol. 65, Issue 5, pp. 673–694 [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] - Ivana Císařová, Jaroslav Podlaha, Stanislav Böhm and Otto Exner*
Steric Effects and Steric Inhibition of Resonance in Benzene Derivatives: 2,3-Dimethylbenzoic Acid
2000, Vol. 65, Issue 2, pp. 216–226 [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] - 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] - 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] - Ivan Danihel, Kalevi Pihlaja, Ján Imrich, Gejza Suchár, Pavol Kristian, Stanislav Böhm and Slávka Hočová
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, Vol. 63, Issue 3, pp. 387–393 [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] - Ivan Danihel, Gejza Suchár, Pavol Kristian and Stanislav Böhm
Dipole Moments of 2- and 4-Substituted 9-Isothiocyanatoacridines
1996, Vol. 61, Issue 11, pp. 1615–1619 [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] - 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] - 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] - 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] - Zdeněk Friedl and Stanislav Böhm
Electrostatic Effects in Ionization Equilibria: An AM1 Study of Reversed Substituent Effect in 5-Fluorobicyclo[3.3.3]undecane-1-carboxylic Acid
1994, Vol. 59, Issue 7, pp. 1467–1471 [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] - 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] - Zdeněk Friedl and Stanislav Böhm
Electrostatic effects in ionization equilibria: An MNDO study of proton and hydrogen transfer reactions of 4-fluorobutanol
1990, Vol. 55, Issue 12, pp. 2880–2888 [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] - 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] - Jiří Krechl, Svatava Smrčková, Miroslav Ludwig and Josef Kuthan
N,N'-diphenylacetamidinium carboxylates
1990, Vol. 55, Issue 2, pp. 469–478 [Abstract] - Jiří Krechl, Svatava Smrčková and Josef Kuthan
Benzamidinium benzoates
1990, Vol. 55, Issue 2, pp. 460–468 [Abstract] - Stanislav Böhm and Josef Kuthan
Quantum chemical prediction of 2H-pyran vibration spectrum
1990, Vol. 55, Issue 1, pp. 10–20 [Abstract] - Zdeněk Friedl and Stanislav Böhm
Electrostatic effects on ionization equilibria: An MNDO study of proton and hydrogen transfer reactions of 4-fluorobutylamine
1990, Vol. 55, Issue 1, pp. 1–9 [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] - 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] - 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] - Zdeněk Friedl, Stanislav Böhm, Igor Goljer, Anna Piklerová, Daniela Poórová, Anna Ríčková and Jaroslav Kováč
Polar effects on 13C NMR chemical shifts and rotational barriers of amides. A dual substituent parameters analysis of N,N-dimethyl-3-(5-substituted-2-furyl)-acrylamides
1987, Vol. 52, Issue 2, pp. 409–424 [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] - 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] - 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] - 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] - Zdeněk Friedl, Pavel Fiedler, Ján Biroš, Věra Uchytilová, Igor Tvaroška, Stanislav Böhm and Otto Exner
Electrostatic effects on conformational equilibria: Solvation enthalpies and the reaction field theory
1984, Vol. 49, Issue 9, pp. 2050–2069 [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] - 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] - 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] - 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] - 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]
