Collect. Czech. Chem. Commun. 1982, 47, 35-44
https://doi.org/10.1135/cccc19820035

The confirmation of trisubstituted ureas and thioureas in solution

Jaromír Kaváleka, Pavel Fiedlerb, Zlata Papouškovác and Otto Exnerb

a Department of Organic Chemistry, Institute of Chemical Technology, 532 10 Pardubice
b Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6
c Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences, 165 02 Prague 6 - Suchdol

Individual author index pages


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    1991, Vol. 56, Issue 2, pp. 368–385 [Abstract]
  • Ivan Stibor, David Šaman and Pavel Fiedler
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    1990, Vol. 55, Issue 1, pp. 202–222 [Abstract]
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    1989, Vol. 54, Issue 4, pp. 1005–1011 [Abstract]
  • Otto Exner, Václav Jehlička and Bernard Tinant
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    1988, Vol. 53, Issue 6, pp. 1260–1267 [Abstract]
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    1988, Vol. 53, Issue 5, pp. 1033–1043 [Abstract]
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    1988, Vol. 53, Issue 4, pp. 749–755 [Abstract]
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  • Jaromír Kaválek, Ludmila Hejtmánková and Vojeslav Štěrba
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  • Jaromír Kaválek, Josef Jirman and Vojeslav Štěrba
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  • Jaromír Kaválek, Josef Panchartek, Tomáš Potěšil and Vojeslav Štěrba
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  • Jaromír Kaválek, Josef Panchartek, Tomáš Potěšil and Vojeslav Štěrba
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  • Jaromír Kaválek, Vladimír Macháček, Gabriela Svobodová and Vojeslav Štěrba
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  • Jaromír Kaválek, Josef Jirman and Vojeslav Štěrba
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  • Juraj Koudelka and Otto Exner
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  • Jaromír Kaválek, Said El Bahaie and Vojeslav Štěrba
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  • Zdeněk Friedl, Pavel Fiedler, Ján Biroš, Věra Uchytilová, Igor Tvaroška, Stanislav Böhm and Otto Exner
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  • Karel Kalfus, Zdeněk Friedl and Otto Exner
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  • Antonín Lyčka and Jaromír Kaválek
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    1984, Vol. 49, Issue 1, pp. 58–64 [Abstract]
  • Otto Exner and Tomáš Juška
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  • Otto Exner, Zdeněk Friedl and Pavel Fiedler
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  • Jaromír Kaválek, Vojeslav Štěrba and Said El Bahaie
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  • Barbu A. Demian, Otto Exner and Aurora Sallo
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  • Otto Exner, Juraj Koudelka and Soňa Vašíčková
    Dipole moment of the intramolecular hydrogen bond. 2-Nitrophenol and its derivatives
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  • Evangelia A. Varella, Evangelos D. Micromastoras, Nicholas E. Alexandrou and Otto Exner
    Sythesis and mass spectra of aroylbenzamidoximes
    1983, Vol. 48, Issue 2, pp. 596–607 [Abstract]
  • Jaromír Kaválek, Tomáš Potěšil and Vojeslav Štěrba
    Cyclization kinetics and mechanism of N-benzoyl-N'-(1,2-dimethyl-3-oxo-1-butenyl)thiourea
    1983, Vol. 48, Issue 2, pp. 578–585 [Abstract]
  • Jaromír Kaválek, Jaroslav Novák and Vojeslav Štěrba
    Kinetics of hydrolysis and rearrangements of S-acylthiouronium salts
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  • Otto Exner, Dario Iarossi and Piero Vivarelli
    Dipole moments induced in larger molecules. Triphenylmethyl derivatives
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  • Otto Exner and Karel Waisser
    Dipole moment and electron distribution of the thioamide group
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  • Otto Exner and Nedelko Motekov
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  • Jaromír Kaválek, Jiří Hruška and Vojeslav Štěrba
    Kinetics of cyclization of 1-phenyl-3-(1,2-dimethyl-3-oxo-1-butenyl)urea and ethyl 2-methyl-3-N-(N'-phenylureido)-2-butenoate
    1982, Vol. 47, Issue 2, pp. 518–522 [Abstract]
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    1982, Vol. 47, Issue 1, pp. 29–34 [Abstract]
  • Otto Exner
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  • Otto Exner
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  • Otto Exner and Václav Jehlička
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  • Božo Plesničar and Otto Exner
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  • Jaromír Kaválek, Milan Kotyk, Said El Bahaie and Vojeslav Štěrba
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  • Vladimír Hanuš, Milan Hrazdira and Otto Exner
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  • Otto Exner and Zlata Papoušková
    Dipole moment and electron distribution of the amide group
    1980, Vol. 45, Issue 9, pp. 2410–2416 [Abstract]
  • Otto Exner, Václav Jehlička, Luděk Vodička and Pavel Jakoubek
    Dipole moments induced in larger molecules. 1- And 4-substituted diamantanes
    1980, Vol. 45, Issue 9, pp. 2400–2409 [Abstract]
  • Zdeněk Friedl, Pavel Fiedler and Otto Exner
    Electrostatic effects on conformational equilibria. Solvent dependence
    1980, Vol. 45, Issue 5, pp. 1351–1360 [Abstract]
  • Otto Exner and Pavel Fiedler
    A refined empirical model of the sigma-inductive effect
    1980, Vol. 45, Issue 4, pp. 1251–1268 [Abstract]
  • Vladimír Král, Zdeněk Arnold, Václav Jehlička and Otto Exner
    Quantum chemical study of sulfonium ylides: Structure, charge distribution and dipole moments
    1980, Vol. 45, Issue 4, pp. 1236–1250 [Abstract]
  • Marie Jakoubková, Zlata Papoušková and Václav Chvalovský
    ν(C-F) in some organosilicon compounds
    1980, Vol. 45, Issue 3, pp. 854–860 [Abstract]
  • Otto Exner
    Substituent effects in electronic spectroscopy: Correlations with Platt spectroscopic moments
    1980, Vol. 45, Issue 3, pp. 843–853 [Abstract]
  • Jaromír Kaválek, Said El-Bahaie, Vladimír Macháček and Vojeslav Štěrba
    Study of reaction of thiourea with ethyl 3-oxobutanoate
    1980, Vol. 45, Issue 3, pp. 732–739 [Abstract]
  • Jaromír Kaválek, Said El-Bahaie and Vojeslav Štěrba
    Reactions of thiourea with chloro- and bromoacetic acids
    1980, Vol. 45, Issue 1, pp. 263–268 [Abstract]
  • Otto Exner and Jan B. F. N. Engberts
    The gauche effect on conformation. α-Substituted sulfones and N-substituted sulfonamides
    1979, Vol. 44, Issue 11, pp. 3378–3384 [Abstract]
  • Jaromír Kaválek, Karel Janák and Vojeslav Štěrba
    Kinetics of reaction of 5-phenyl-1,3,4-thiadiazol-2-diazonium ion with water
    1979, Vol. 44, Issue 10, pp. 3102–3110 [Abstract]
  • Zdeněk Friedl, Jaroslav Hapala and Otto Exner
    Electrostatic effects on ionization equilibria. 3-Substituted bicyclo[2,2,2]octane-1-carboxylic acids
    1979, Vol. 44, Issue 10, pp. 2928–2945 [Abstract]
  • Zlata Papoušková, Vlasta Fialová and Václav Chvalovský
    The effect of solvation by acetone on the basicity of silylalkylamines
    1979, Vol. 44, Issue 9, pp. 2828–2831 [Abstract]
  • Otto Exner, Jorga Smolíková, Václav Jehlička and Ahmad S. Shawali
    Hydrogen bonding, configuration and conformation of substituted α-oxo oximes and hydrazones
    1979, Vol. 44, Issue 8, pp. 2494–2506 [Abstract]
  • Břetislav Princ and Otto Exner
    Structure reexamination of aliphatic nitrones and their dimers
    1979, Vol. 44, Issue 7, pp. 2221–2229 [Abstract]
  • Jaromír Kaválek, Ahmad Ashfaq and Vojeslav Štěrba
    Reactions of 1-substituted 2,4,6-trinitrobenzenes with nucleophiles
    1979, Vol. 44, Issue 5, pp. 1453–1459 [Abstract]
  • Jiří Mollin, Pavel Fiedler, Václav Jehlička and Otto Exner
    The conformation of substituted hydroxyureas and hydroxythioureas in solution
    1979, Vol. 44, Issue 3, pp. 895–907 [Abstract]
  • Otto Exner and Zdeněk Friedl
    Electrostatic effects on ionization equilibria. Carboxylic acids and amines derived from 1-indanone
    1978, Vol. 43, Issue 12, pp. 3227–3240 [Abstract]
  • Otto Exner and Božo Plesničar
    Hydrogen bonding and conformation of substituted peroxybenzoic acids as reflected in dipole moment values
    1978, Vol. 43, Issue 11, pp. 3079–3086 [Abstract]
  • Otto Exner and Pavel Vetešník
    Substituent efect in electronic spectroscopy: meta- and para-substituted benzonitriles
    1978, Vol. 43, Issue 10, pp. 2763–2778 [Abstract]
  • Božo Plesničar, Jorga Smolíková, Václav Jehlička and Otto Exner
    Dipole moment of the intramolecular hydrogen bond. Substituted α-hydroxyacetophenones
    1978, Vol. 43, Issue 10, pp. 2754–2762 [Abstract]
  • Otto Exner and Nedelko Motekov
    Configuration and conformation of amidoximes. Aromatic derivatives with a free amino group
    1978, Vol. 43, Issue 10, pp. 2740–2753 [Abstract]
  • Jaromír Kaválek, Said El-Bahei and Vojeslav Štěrba
    Hydrolysis kinetics of 4-amino-3-pentene-2-one and its N-substituted derivatives
    1978, Vol. 43, Issue 10, pp. 2732–2739 [Abstract]
  • Zdeněk Friedl and Otto Exner
    Electrostatic effects on conformational equilibria 3-substituted benzonitriles
    1978, Vol. 43, Issue 10, pp. 2591–2599 [Abstract]
  • Jaromír Kaválek, Miroslav Pastrnek and Vojeslav Štěrba
    Reactions of 2,4,6-trinitrochlorobenzene with dimethyl malonate anion in methanol and methanol-dimethyl sulphoxide mixture
    1978, Vol. 43, Issue 5, pp. 1401–1409 [Abstract]
  • Miroslav Svoboda, Miroslava Synáčková, Zdeněk Samek, Pavel Fiedler and Zdeněk Arnold
    N,N-Dimethyl-N-alkylammoniodiformylmethylides: New group of stabilised aliphatic ylides
    1978, Vol. 43, Issue 5, pp. 1261–1275 [Abstract]