Collection of Czechoslovak Chemical Communications - digital archive 

Individual author index pages

• Karel Kalfus
• Zdeněk Friedl
• Otto Exner

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]
• 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]
• Miroslav Holík*, Zdeněk Friedl, Karel Waisser and Jiří Gregor
  Multivariate Regression with Substituent Shift Increments. IV. 2-(4-X-Phenyl)-1,3-dihydro-2H-isoindole-1,3-diones and 3-(4-X-Phenyl)-3,4-dihydro-2H-1,3-benzoxazine-2,4-diones
  1999, Vol. 64, Issue 10, pp. 1709–1726 [Abstract]
• Miroslav Holík*, Zdeněk Friedl and Štefan Marchalín
  Multivariate Regression with Substituent Shift Increments. III. 2,5-Disubstituted Furans
  1999, Vol. 64, Issue 10, pp. 1696–1708 [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]
• 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]
• 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]
• 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]
• 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]
• Otto Exner
  Studies of association in solution from permitivity measurements: Statistical problems
  1990, Vol. 55, Issue 6, pp. 1435–1456 [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]
• 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]
• 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]
• Adolf Jurášek, Daniela Berecinová, Miroslav Čakrt, Miloslava Dandárová, Zdeněk Friedl, Jarmila Štetinová and Jaroslav Kováč
  Synthesis of 2-aryl-3-furancarboxylic acids by arylation of 3-furancarboxylic acid
  1989, Vol. 54, Issue 1, pp. 215–224 [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]
• Otto Exner and Pavel Fiedler
  Conformation and electronic structure of aromatic chloroformates
  1987, Vol. 52, Issue 4, pp. 970–979 [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]
• 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]
• 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]
• 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]
• 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]
• 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]
• 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]
• Vladimír Hanuš, Milan Hrazdira and Otto Exner
  Pyrazolidine derivatives from the condensation reaction of hydrazobenzene with aliphatic aldehydes
  1980, Vol. 45, Issue 9, pp. 2417–2424 [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]
• 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]