Collect. Czech. Chem. Commun. 1980, 45, 2417-2424
https://doi.org/10.1135/cccc19802417

Pyrazolidine derivatives from the condensation reaction of hydrazobenzene with aliphatic aldehydes

Vladimír Hanuša, Milan Hrazdirab and Otto Exnerc

a The J. Heyrovský Institute of Physical Chemistry and Electrochemistry, Czechoslovak Academy of Sciences, 121 38 Prague 2
b Department of Organic Chemistry, Institute of Chemical Technology, 532 10 Pardubice
c Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6

Individual author index pages


Other CCCC articles of these authors

  • 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]
  • 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]
  • Stanislav Böhm and Otto Exner*
    Attenuation of the Substituent Effects Along the Aliphatic Chain
    2004, Vol. 69, Issue 5, pp. 984–995 [Abstract]
  • Pavel Fiedler and Otto Exner*
    Conformation of Aromatic Carbonyl Derivatives: An Infrared Study
    2004, Vol. 69, Issue 4, pp. 797–810 [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]
  • Drahomír Hnyk*, Václav Všetečka, Ladislav Drož and Otto Exner
    Charge Distribution Within 1,2-Dicarba-closo-dodecaborane: Dipole Moments of Its Phenyl Derivatives
    2001, Vol. 66, Issue 9, pp. 1375–1379 [Abstract]
  • Josef Hájíček* and Vladimír Hanuš
    On the Reaction of Deacetylvindoline with Thionyl Chloride
    2000, Vol. 65, Issue 5, pp. 789–796 [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]
  • Pavel Fiedler, Jiří Kulhánek, Michèle Decouzon, Jean-François Gal, Pierre-Charles Maria and Otto Exner*
    Steric Effects and Steric Inhibition of Resonance in Isopropylbenzoic Acids in the Gas Phase and in Solution
    1999, Vol. 64, Issue 9, pp. 1433–1447 [Abstract]
  • Karel Waisser*, Karel Palát, Jr. and Otto Exner*
    Substituent Effects on Conformational Equilibria: Substituted Thiobenzanilides
    1999, Vol. 64, Issue 8, pp. 1295–1306 [Abstract]
  • Günter Schmid, Ulf Thewalt, Petr Sedmera, Vladimír Hanuš and Karel Mach
    Dimeric Structures of Cp'TiCl2 Compounds with Bulky Substituents at the Cyclopentadienyl Rings
    1998, Vol. 63, Issue 5, pp. 636–645 [Abstract]
  • Jörg Hiller, Ulf Thewalt, Jaroslav Podlaha, Vladimír Hanuš and Karel Mach
    Synthesis and Crystal Structures of Dimeric Titanium(II) Bis(trimethylsilyl)acetylene Complexes [(C5H5-nMen)Ti(η2-Me3SiC≡CSiMe3)(μ-Cl)]2(n = 3-5)
    1997, Vol. 62, Issue 10, pp. 1551–1561 [Abstract]
  • Otto Exner, Martin Hradil and Jiří Mollin
    Dissociation of Hydroxamic Acids: Solvent Effects
    1993, Vol. 58, Issue 5, pp. 1109–1121 [Abstract]
  • Bernard Tinant, Jean-Paul Declercq and Otto Exner
    Deformation of the Adamantane Skeleton by Substitution: Crystal Structure of 1-Methylsulfonyladamantane
    1993, Vol. 58, Issue 2, pp. 373–377 [Abstract]
  • Václav Všetečka, Janusz Oszczapowicz and Otto Exner
    Configuration and Conformation of N,N'-Diarylamidines: A Dipole Moment Study
    1993, Vol. 58, Issue 1, pp. 105–112 [Abstract]
  • Otto Exner and Miloš Buděšínský
    Carbon-13 Substituent-Induced Chemical Shifts: Monosubstituted Benzene Derivatives
    1992, Vol. 57, Issue 3, pp. 497–507 [Abstract]
  • Otto Exner and Miloš Buděšínský*
    Correlation of substituent – inducted chemical shifts of aromatic protons: Substituted benzonitriles and methyl benzoates
    1991, Vol. 56, Issue 11, pp. 2234–2250 [Abstract]
  • Jiří Slavík, Vladimír Hanuš and Leonora Slavíková
    Alkaloids from Stylophorum lasiocarpum (OLIV.) FEDDE
    1991, Vol. 56, Issue 5, pp. 1116–1122 [Abstract]
  • Otto Exner and Ivan Mach
    Polarization and apparent dipole moments of some symmetrical molecules
    1991, Vol. 56, Issue 2, pp. 406–410 [Abstract]
  • Miloš Buděšínský, Dan Johnels, Ulf Edlund and Otto Exner
    Carbon-13 substituent-induced chemical shifts in benzene derivatives: Substituted anilines
    1991, Vol. 56, Issue 2, pp. 368–385 [Abstract]
  • Otto Exner
    Studies of association in solution from permitivity measurements: Statistical problems
    1990, Vol. 55, Issue 6, pp. 1435–1456 [Abstract]
  • Bernard Tinant, Janine Dupont-Fenfau, Jean-Paul Declercq, Jaroslav Podlaha and Otto Exner
    Configuration on the C=N double bond of monosubstituted amidines and amidoximes
    1989, Vol. 54, Issue 12, pp. 3245–3252 [Abstract]
  • Karel Mach, Helena Antropiusová, Vladimír Hanuš and Petr Sedmera
    Titanium-catalyzed Diels-Alder addition of bis(trimethylsilyl)acetylene to 1,3-cyclohexadiene
    1989, Vol. 54, Issue 11, pp. 3088–3091 [Abstract]
  • Drahomír Hnyk, Radek Fajgar, Václav Všetečka and Otto Exner
    Dipole moments and conformation of some olefinic and ortho-substituted aromatic methoxy derivatives
    1989, Vol. 54, Issue 5, pp. 1291–1298 [Abstract]
  • František Tureček, Libor Brabec, Tomáš Vondrák, Vladimír Hanuš, Josef Hájíček and Zdeněk Havlas
    Sulfenic acids in the gas phase. Preparation, ionization energies and heats of formation of methane-, ethene-, and benzenesulfenic acid
    1988, Vol. 53, Issue 9, pp. 2140–2158 [Abstract]
  • Otto Exner, Václav Jehlička and Bernard Tinant
    Conformations of molecules bearing two carbonyl groups on adjacent atoms
    1988, Vol. 53, Issue 6, pp. 1260–1267 [Abstract]
  • Otto Exner and Václav Jehlička
    Conjugation within the oximino group: A semiquantitative estimation
    1988, Vol. 53, Issue 5, pp. 1018–1032 [Abstract]
  • Bernard Tinant, Jean-Paul Declercq, Maurice Van Meerssche and Otto Exner
    Structure of 5-nitro-2-methylbenzoic acid: ortho Effect of the methyl group
    1988, Vol. 53, Issue 2, pp. 301–307 [Abstract]
  • František Věžník, Eva Táborská, Hana Bochořáková, František Tureček, Vladimír Hanuš and Jiří Slavík
    Alkaloids of Papaver nudicaule SUBSP. xanthopetalum (TRAUTV.) FEDDE and P. nudicaule SUBSP. album (REGEL) FEDDE from the section Scapiflora REICHB.
    1987, Vol. 52, Issue 6, pp. 1634–1640 [Abstract]
  • Otto Exner and Pavel Fiedler
    Conformation and electronic structure of aromatic chloroformates
    1987, Vol. 52, Issue 4, pp. 970–979 [Abstract]
  • Karel Mach, Jana Nováková, Vladimír Hanuš and Zdeněk Dolejšek
    Mass spectrometric and electron spin resonance study of allylic peroxyl radicals in the gas-phase reaction between allylic radicals and dioxygen
    1986, Vol. 51, Issue 12, pp. 2675–2684 [Abstract]
  • Otto Exner and Nedelko Motekov
    Dipole moments and conformation of some aromatic benzamidoximes
    1986, Vol. 51, Issue 7, pp. 1444–1449 [Abstract]
  • Otto Exner and Václav Jehlička
    Dipole moments and conformation of α-disulphones. The gauche effect
    1985, Vol. 50, Issue 10, pp. 2245–2251 [Abstract]
  • Juraj Koudelka, David Šaman and Otto Exner
    Secondary steric effects in 2,4,6-trialkylated acetophenones and nitrobenzenes: Dipole moments and 13C NMR spectra
    1985, Vol. 50, Issue 1, pp. 208–214 [Abstract]
  • Otto Exner and Juraj Koudelka
    Principle of additivity of dipole moments: Halogen derivatives of adamantane
    1985, Vol. 50, Issue 1, pp. 200–207 [Abstract]
  • Juraj Koudelka and Otto Exner
    Principle of additivity of dipole moments: 1,3- and 1,3,5-derivatives of benzene
    1985, Vol. 50, Issue 1, pp. 188–199 [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]
  • Hynek Balcar, Alena Dosedlová, Vladimír Hanuš, Lidmila Petrusová and Bohumír Matyska
    Metathesis of methyl 10-undecenoate
    1984, Vol. 49, Issue 8, pp. 1736–1745 [Abstract]
  • Karel Palát, Tomáš Vontor, Milan Čeladník and Vladimír Hanuš
    Preparation of a partially hydrogenated dibenzo[c,h][1,2,6,7]tetrazecine and its pyridine analogue
    1984, Vol. 49, Issue 6, pp. 1409–1411 [Abstract]
  • Karel Kalfus, Zdeněk Friedl and Otto Exner
    Electrostatic effects on ionization equilibria: Solvent dependence
    1984, Vol. 49, Issue 1, pp. 179–189 [Abstract]
  • Otto Exner and Tomáš Juška
    X-ray photoelectron spectroscopic study of sulphonamides: Charge distribution and tautomerism
    1984, Vol. 49, Issue 1, pp. 51–57 [Abstract]
  • Otto Exner, Zdeněk Friedl and Pavel Fiedler
    Electrostatic effects on conformational equilibria: Alkyl 2-cyanobenzoates and 3-cyanopropenoates
    1983, Vol. 48, Issue 11, pp. 3086–3096 [Abstract]
  • Pavel Kočovský, Ivo Starý, František Tureček and Vladimír Hanuš
    Electrophilic additions to 10β-vinyl cholestane derivatives
    1983, Vol. 48, Issue 10, pp. 2994–3019 [Abstract]
  • Karel Mach, Lidmila Petrusová, Helena Antropiusová, Vladimír Hanuš, František Tureček and Petr Sedmera
    Intermolecular hydrogen transfer in unsaturated hydrocarbons induced by dimeric titanocene
    1983, Vol. 48, Issue 10, pp. 2924–2936 [Abstract]
  • Evangelia A. Varella, Nicholas E. Alexandrou and Otto Exner
    A mass spectral study of O-aroylbenzohydroximoyl chlorides
    1983, Vol. 48, Issue 9, pp. 2518–2524 [Abstract]
  • Otto Exner and Václav Jehlička
    Conformation around several equivalent bonds. Polymethoxy derivatives of benzene
    1983, Vol. 48, Issue 4, pp. 1030–1041 [Abstract]
  • Barbu A. Demian, Otto Exner and Aurora Sallo
    Kinetics and mechanism of the azo coupling reaction of 1-aminonaphthalene-4-sulfonic acid
    1983, Vol. 48, Issue 3, pp. 748–754 [Abstract]
  • Otto Exner, Juraj Koudelka and Soňa Vašíčková
    Dipole moment of the intramolecular hydrogen bond. 2-Nitrophenol and its derivatives
    1983, Vol. 48, Issue 3, pp. 735–747 [Abstract]
  • 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]
  • Otto Exner, Dario Iarossi and Piero Vivarelli
    Dipole moments induced in larger molecules. Triphenylmethyl derivatives
    1982, Vol. 47, Issue 6, pp. 1733–1737 [Abstract]
  • Otto Exner and Karel Waisser
    Dipole moment and electron distribution of the thioamide group
    1982, Vol. 47, Issue 3, pp. 828–837 [Abstract]
  • Otto Exner and Nedelko Motekov
    Configuration and conformation of amidoximes. N,N-Dialkyl derivatives
    1982, Vol. 47, Issue 3, pp. 814–827 [Abstract]
  • Jaromír Kaválek, Pavel Fiedler, Zlata Papoušková and Otto Exner
    The confirmation of trisubstituted ureas and thioureas in solution
    1982, Vol. 47, Issue 1, pp. 35–44 [Abstract]
  • Otto Exner and Ayfer Bapçum
    Dipole moments induced in larger molecule. Long-chain aliphatic esters
    1982, Vol. 47, Issue 1, pp. 29–34 [Abstract]
  • Otto Exner
    A re-examination of the Eötvös equation
    1981, Vol. 46, Issue 8, pp. 1930–1940 [Abstract]
  • František Tureček, Vladimír Hanuš, Petr Sedmera, Helena Antropiusová and Karel Mach
    Cycloheptatriene dimers: New precursors of diamantane
    1981, Vol. 46, Issue 6, pp. 1474–1485 [Abstract]
  • Jan Kopecký, Jaroslav Šmejkal and Vladimír Hanuš
    Synthesis of bridgehead bicyclo[2.2.2]octanols
    1981, Vol. 46, Issue 6, pp. 1370–1375 [Abstract]
  • Otto Exner
    A comparison of methods for determining dipole moments in solution
    1981, Vol. 46, Issue 4, pp. 1002–1010 [Abstract]
  • Otto Exner and Václav Jehlička
    The conformation of aryl carbonates. A dipole moment study
    1981, Vol. 46, Issue 4, pp. 856–860 [Abstract]
  • Aleksandr I. Artemenko, Inga V. Tikunova, Evgenii K. Anufriev, Václav Jehlička and Otto Exner
    Dipole moments of hydroxamic acids and N,O-diacylhydroxylamines
    1981, Vol. 46, Issue 3, pp. 729–739 [Abstract]
  • Božo Plesničar and Otto Exner
    Dipole moments and conformation of peroxy esters
    1981, Vol. 46, Issue 2, pp. 490–497 [Abstract]
  • 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]
  • Otto Exner
    Substituent effects in electronic spectroscopy: Correlations with Platt spectroscopic moments
    1980, Vol. 45, Issue 3, pp. 843–853 [Abstract]
  • František Tureček, Vladimír Hanuš and Miloš Tichý
    The role of conformational mobility in the stereospecific loss of water under electron impact
    1979, Vol. 44, Issue 12, pp. 3595–3603 [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]
  • 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]
  • 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]
  • 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]
  • Zdeněk Friedl and Otto Exner
    Electrostatic effects on conformational equilibria 3-substituted benzonitriles
    1978, Vol. 43, Issue 10, pp. 2591–2599 [Abstract]