Collect. Czech. Chem. Commun. 1978, 43, 946-959
https://doi.org/10.1135/cccc19780946

Substituent effect in electronic and 1H-NMR spectra of 1- and 4-alkylated 3,5-dicyano-2,6-dimethyl-1,4-dihydropyridines

Lubomír Musil, Jaroslav Paleček and Josef Kuthan

Individual author index pages


Other CCCC articles of these authors

  • Bohumír Koutek, Lubomír Musil, Libuše Pavlíčková, Soňa Vašíčková and Milan Souček
    IR spectra of some quinone methides. Transmission of electronic effects in cross-conjugated systems
    1979, Vol. 44, Issue 10, pp. 2970–2981 [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]
  • 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]
  • 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]
  • Václav Kozmík, Pavel Lhoták, Želmíra Odlerová and Jaroslav Paleček
    Azachalcone Derivatives and Their Bis Substituted Analogs as Novel Antimycobacterial Agents
    1998, Vol. 63, Issue 5, pp. 698–712 [Abstract]
  • Pavel Pihera, Jaroslav Paleček and Jiří Svoboda
    Diels-Alder Reactions of [1]Benzothieno[3,2-b]furan
    1998, Vol. 63, Issue 5, pp. 681–697 [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]
  • 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]
  • Miroslav Terinek, Václav Kozmík and Jaroslav Paleček
    Prostanoids: Synthesis of Enantiomers of 15-Deoxy-16-hydroxy-16-methylprostaglandin E1
    1997, Vol. 62, Issue 8, pp. 1325–1341 [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]
  • Jiří Svoboda, Václav Kozmík, Ivan Veselý and Jaroslav Paleček
    New Synthesis of Important Prostanoid Intermediate
    1996, Vol. 61, Issue 10, pp. 1509–1519 [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]
  • Jiří Svoboda, Pavel Pihera, Petr Sedmera and Jaroslav Paleček
    Electrophilic Substitution Reactions of [1]Benzothieno[3,2-b]furan
    1996, Vol. 61, Issue 6, pp. 888–900 [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]
  • Jiří Svoboda and Jaroslav Paleček
    New Method for Preparation of 1-Azabicyclo[2.2.2]octane-4-carbonitrile and 1-Azabicyclo[3.2.2]nonane-5-carbonitrile
    1995, Vol. 60, Issue 9, pp. 1536–1540 [Abstract]
  • Jaroslav Paleček and Ivan Veselý
    Synthesis of Monomeric 2-[(2-Methyl-2-propenoyl)oxy]ethyl Esters of Prostaglandins
    1995, Vol. 60, Issue 7, pp. 1242–1246 [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]
  • Václav Kozmík and Jaroslav Paleček
    Synthetic Analogues of 15,15-Acetals of Prostaglandin F and E2
    1994, Vol. 59, Issue 11, pp. 2533–2544 [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]
  • 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]
  • Václav Kozmík and Jaroslav Paleček
    Synthetic Analogues of Prostaglandins F and E2
    1994, Vol. 59, Issue 1, pp. 138–148 [Abstract]
  • Jiří Svoboda, Miloslav Nič and Jaroslav Paleček
    Synthesis of [1]Benzothieno[3,2-b]furan - A New Fused Benzoheterocyclic System
    1993, Vol. 58, Issue 12, pp. 2983–2986 [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]
  • Jiří Svoboda, Miloslav Nič and Jaroslav Paleček
    Application of Magnesium Alkoxides to Syntheses of Benzoheterocyclic Compounds
    1993, Vol. 58, Issue 3, pp. 592–599 [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]
  • Václav Kozmík and Jaroslav Paleček
    Simple Preparation of Methyl 4-Chloromethyl- and Methyl 5-Chloromethyl-2-thiophenecarboxylate
    1992, Vol. 57, Issue 7, pp. 1483–1486 [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]
  • Ivan Veselý, Jaroslav Paleček and Ivan Stibor
    Resolution of a Racemic Corey Lactone via Enantioselective Esterification
    1992, Vol. 57, Issue 2, pp. 357–361 [Abstract]
  • Jiří Svoboda, Miloslav Nič and Jaroslav Paleček
    An Anomalous Course of the Darzens Reaction Catalyzed with Magnesium Methoxide
    1992, Vol. 57, Issue 1, pp. 119–122 [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]
  • Bohumil Žák, Ivan Veselý, Karel Neumitka and Jaroslav Paleček
    Preparation of optically pure enatiomers of Corey lactone by resolution of the racemate
    1991, Vol. 56, Issue 8, pp. 1690–1700 [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]
  • Jiří Svoboda and Jaroslav Paleček
    Synthesis of N-[(3-substituted phenoxy)alkyl]acetohydroxamic acids, potential inhibitors of the enzyme 5-lipoxygenase
    1991, Vol. 56, Issue 6, pp. 1317–1332 [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]
  • 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]
  • Ivan Veselý, Václav Kozmík, Václav Dědek, Jaroslav Paleček, Jiří Mostecký and Ivan Stibor
    Large-scale synthesis of racemic “Corey lactone”
    1989, Vol. 54, Issue 6, pp. 1683–1686 [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]
  • Jiří Svoboda, Zuzana Kocfeldová and Jaroslav Paleček
    Reaction of 4-substituted benzaldehydes and acetophenones with chloroacetonitrile
    1988, Vol. 53, Issue 4, pp. 822–832 [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]
  • Jiří Svoboda, Karel Čapek and Jaroslav Paleček
    Esters of arylpropionic acids with 1,2:5,6-di-O-isopropylidene- and 1,2-O-isopropylidene-α-D-glucofuranose
    1987, Vol. 52, Issue 3, pp. 766–774 [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]
  • Jiří Svoboda, Jaroslav Paleček and Václav Dědek
    Phase transfer catalysed N-substitution of 2H-1,2-benzisothiazolin-3-one 1,1-dioxide
    1986, Vol. 51, Issue 6, pp. 1304–1310 [Abstract]
  • Jiří Svoboda, Jaroslav Paleček and Václav Dědek
    The synthesis of substituted 2H-1,2-benzothiazines 1,1-dioxides
    1986, Vol. 51, Issue 5, pp. 1133–1139 [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]
  • Bohumír Koutek, Lubomír Musil, Jiří Velek and Milan Souček
    Fluorescence behaviour of some 4-substituted halobenzenes
    1985, Vol. 50, Issue 8, pp. 1753–1763 [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]
  • Lubomír Musil, Bohumír Koutek, Jiří Velek and Milan Souček
    Substitution effect in electronic absorption spectra of 2- and 2,6-substituted 4-benzhydrylidene-2,5-cyclohexadien-1-ones
    1984, Vol. 49, Issue 9, pp. 1949–1964 [Abstract]
  • Jiří Svoboda, Jaroslav Paleček, Václav Dědek and Jiří Mostecký
    One-step synthesis of substituted 2-aryl-2-bromoalkyl-1,3-dioxolanes
    1984, Vol. 49, Issue 6, pp. 1515–1520 [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]
  • Lubomír Musil, Bohumír Koutek, Jiří Velek, Josef Krupička and Milan Souček
    CNDO/S MO study of the fuchsone derivatives with sterically crowded exocyclic double bond
    1983, Vol. 48, Issue 10, pp. 2825–2839 [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]
  • 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]
  • Bohumír Koutek, Lubomír Musil, Jiří Velek, Antonín Lyčka, Dobroslav Šnobl, Miroslava Synáčková and Milan Souček
    Perturbation of the fuchsone chromophore by 3,5-methyl substitution. Sterically crowded exocyclic double bond
    1981, Vol. 46, Issue 10, pp. 2540–2556 [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]
  • Jiří Velek, Bohumír Koutek, Lubomír Musil, Soňa Vašíčková and Milan Souček
    Basicity of fuchsones. Infrared study of the ν(OH) stretching vibration in phenol-fuchsone complexes
    1981, Vol. 46, Issue 8, pp. 1818–1827 [Abstract]
  • Lubomír Musil, Bohumír Koutek, Milena Píšová and Milan Souček
    Delocalization and stability of o- and p-quinone methides: A HMO study
    1981, Vol. 46, Issue 5, pp. 1148–1159 [Abstract]
  • Jiří Velek, Bohumír Koutek, Lubomír Musil, Soňa Vašíčková and Milan Souček
    IR spectra of some quinone methides. A study of the ortho-effect
    1981, Vol. 46, Issue 4, pp. 873–882 [Abstract]
  • Josef Krupička, Bohumír Koutek, Lubomír Musil, Libuše Pavlíčková and Milan Souček
    Half-wave potentials of quinone methides in dimethylformamide: Substituent effects
    1981, Vol. 46, Issue 4, pp. 861–872 [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]
  • 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]