Collect. Czech. Chem. Commun.
1988, 53, 1260-1267
https://doi.org/10.1135/cccc19881260
Conformations of molecules bearing two carbonyl groups on adjacent atoms
Otto Exnera, Václav Jehličkab and Bernard Tinantc
a Institute of Organic Chemistry and Biochemistry, Czechoslovak Academy of Sciences, 166 10 Prague 6, Czechoslovakia
b Department of Physical Chemistry, Prague Institute of Chemical Technology, 166 28 Prague 6, Czechoslovakia
c Laboratory of Physical Chemistry and Crystallography, University of Louvain, B-1348 Louvain-la-Neuve, Belgium
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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - 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] - Libuše Pavlíčková, Bohumír Koutek, Václav Jehlička and Milan Souček
Solvatochromic study of internal charge transfer in 7,7-disubstituted quinone methides
1983, Vol. 48, Issue 8, pp. 2376–2385 [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] - 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] - 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]