Collect. Czech. Chem. Commun. 1983, 48, 1602-1607
https://doi.org/10.1135/cccc19831602

Basicity of carbonfunctional organosilicon compounds and mechanism of the α effect

Robert Ponec, Jan Kučera and Václav Chvalovský

Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences, 165 02 Prague 6-Suchdol

Individual author index pages


Other CCCC articles of these authors

  • Robert Ponec*, Stijn Fias, Sofie Van Damme, Patrick Bultinck, Ivan Gutman and Sonja Stanković
    The close relation between cyclic delocalization, energy effects of cycles and aromaticity
    2009, Vol. 74, Issue 1, pp. 147–166 [Abstract]
  • Robert Ponec
    Molecular Basis of LFER. Simple Model for the Estimation of Brønsted Exponent in Acid-Base Catalysis
    2004, Vol. 69, Issue 12, pp. 2121–2133 [Abstract]
  • Jan Kučera and Petr Nachtigall*
    Theoretical Study of Pyrrole Interaction with Alkali Metal Exchanged Zeolites: Investigation of the Reliability of Cluster and Periodic Models
    2003, Vol. 68, Issue 10, pp. 1848–1860 [Abstract]
  • Robert Ponec
    Electron Reorganization in Chemical Reactions. Bond Order Conservation vs Multicenter Bonding in the Course of Chemical Reactions
    1997, Vol. 62, Issue 12, pp. 1821–1831 [Abstract]
  • Robert Ponec and Filip Uhlík
    Electron Pairing and Chemical Bonds. Physical Meaning of Effective Pairs
    1994, Vol. 59, Issue 12, pp. 2567–2578 [Abstract]
  • Robert Ponec
    Electron Pairing and Chemical Bonds
    1994, Vol. 59, Issue 3, pp. 505–516 [Abstract]
  • Robert Ponec and Martin Strnad
    The Least Motion Principle, Concertedness and the Mechanisms of Pericyclic Reactions. A Similarity Approach
    1994, Vol. 59, Issue 1, pp. 75–88 [Abstract]
  • Robert Ponec and Martin Strnad
    Topological Aspects of Chemical Reactivity. Electron Correlation in the Course of Chemical Reactions
    1993, Vol. 58, Issue 8, pp. 1751–1760 [Abstract]
  • Robert Ponec
    Similarity Approach to Chemical Reactivity. Substituent Effect in Pericyclic Reactions
    1993, Vol. 58, Issue 1, pp. 11–23 [Abstract]
  • Robert Ponec and Martin Strnad
    Chemical Bonds and Their Transformations in the Course of Chemical Reactions
    1992, Vol. 57, Issue 6, pp. 1177–1185 [Abstract]
  • Martin Strnad and Robert Ponec
    Geodesic Formulation of the Least Motion Principle in Chemical Reactivity
    1992, Vol. 57, Issue 2, pp. 232–240 [Abstract]
  • Robert Ponec and Martin Strnad
    Similarity approach to chemical reactivity. Specificity of multibond processes
    1990, Vol. 55, Issue 11, pp. 2583–2589 [Abstract]
  • Robert Ponec and Martin Strnad
    Topological aspects of chemical reactivity. On physical meaning of the similarity index
    1990, Vol. 55, Issue 10, pp. 2363–2367 [Abstract]
  • Jan Schraml, Robert Brežný, Jan Čermák and Václav Chvalovský
    29Si and 13C NMR spectra of some substituted bis(trimethylsiloxy)benzenes
    1990, Vol. 55, Issue 8, pp. 2033–2037 [Abstract]
  • Jan Schraml, Václav Chvalovský, Harald Jancke, Peter Koehler, Mikhail F. Larin, Vadim A. Pestunovich and Mikhail G. Voronkov
    Proximity effects in 29Si, 13C, and 1H NMR spectra of ortho substituted phenoxytrimethylsilanes
    1990, Vol. 55, Issue 8, pp. 2019–2026 [Abstract]
  • Robert Ponec and Martin Strnad
    A novel approach to the characterization of molecular similarity. The 2nd order similarity index
    1990, Vol. 55, Issue 4, pp. 896–902 [Abstract]
  • Robert Ponec and Martin Strnad
    Topological aspects of chemical reactivity. Relation between the overlap determinant method and the least motion principle
    1990, Vol. 55, Issue 3, pp. 622–629 [Abstract]
  • Robert Ponec and Milan Hájek
    Influence of the solvent on the transmission of polar effects in free radical reactions. A theoretical study
    1988, Vol. 53, Issue 11, pp. 2714–2721 [Abstract]
  • Jan Čermák, Vratislav Blechta and Václav Chvalovský
    Cooligomerization of propadiene with propyne catalysed by nickel(0) complexes
    1988, Vol. 53, Issue 6, pp. 1274–1286 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Valency changes in the course of chemical reactions
    1987, Vol. 52, Issue 11, pp. 2603–2612 [Abstract]
  • Jan Schraml, Eva Petráková, Ján Hirsch, Jan Čermák, Václav Chvalovský, Raivo Teeaar and Endel Lippmaa
    13C MAS NMR and 1H-29Si and 1H-13C heteronuclear correlation study of model xylooligosaccharides
    1987, Vol. 52, Issue 10, pp. 2460–2473 [Abstract]
  • Eva Petráková, Jan Schraml, Ján Hirsch, Magdalena Kvíčalová, Jan Zelený and Václav Chvalovský
    Analysis of oligosaccharides. 29Si and 13C NMR spectra of pertrimethylsilylated oligosaccharides derived from xylopyranose
    1987, Vol. 52, Issue 6, pp. 1501–1513 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. On the possible use of similarity index in characterizing the transition state structure in concerted pericyclic reactions
    1987, Vol. 52, Issue 6, pp. 1375–1385 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. On the similarity of molecular structures
    1987, Vol. 52, Issue 3, pp. 555–562 [Abstract]
  • Robert Ponec, Štěpán Krupička and Milan Hájek
    MO analysis of chemically interacting systems. Reaction of hydrogen abstraction by free radicals
    1987, Vol. 52, Issue 3, pp. 547–554 [Abstract]
  • Antonín Lyčka, Jaroslav Holeček, Karel Handlíř, Josef Pola and Václav Chvalovský
    17O, 13C, and 29Si NMR spectra of some acyloxy- and diacetoxysilanes and acetoxygermanes
    1986, Vol. 51, Issue 11, pp. 2582–2589 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Catalytic reactions
    1986, Vol. 51, Issue 9, pp. 1843–1855 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Correlation diagrams and overlap determinant method
    1986, Vol. 51, Issue 9, pp. 1834–1842 [Abstract]
  • Petr Duchek, Robert Ponec and Václav Chvalovský
    Influence of solvents on electrochemical reduction potentials of chlorosilanes
    1986, Vol. 51, Issue 5, pp. 967–972 [Abstract]
  • Jaroslav Včelák, Miroslava Klímová and Václav Chvalovský
    Catalysed liquid phase oxidation of acetals by molecular oxygen
    1986, Vol. 51, Issue 4, pp. 847–866 [Abstract]
  • Vladimír Morávek and Robert Ponec
    Possible role of nonclassical ions in acid catalysed dehydration of ethanol
    1986, Vol. 51, Issue 4, pp. 842–846 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. A simple method for estimating the activation energies in pericyclic reactions
    1986, Vol. 51, Issue 1, pp. 175–187 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Simple alternative method for determining parity of Kékule structures
    1985, Vol. 50, Issue 12, pp. 2639–2646 [Abstract]
  • Josef Pola and Václav Chvalovský
    cw CO2 laser powered pyrolysis of methane
    1985, Vol. 50, Issue 7, pp. 1543–1547 [Abstract]
  • Jan Schraml, Štefan Kučár, Jan Zelený and Václav Chvalovský
    29Si (and 13C) NMR spectra of all pertrimethylsilylated O-acetyl and O-benzoyl 1,6-anhydro-β-D-glucopyranose derivatives. A test of empirical assignment rules
    1985, Vol. 50, Issue 5, pp. 1176–1183 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Reorganisation of electron density in allowed and forbidden reactions
    1985, Vol. 50, Issue 5, pp. 1121–1132 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Theoretical justification of overlap determinant method
    1985, Vol. 50, Issue 3, pp. 577–580 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity. Photochemical and free radical reactions
    1985, Vol. 50, Issue 3, pp. 559–576 [Abstract]
  • Josef Pola and Václav Chvalovský
    Laser driven pyrolysis of n-alkanes
    1985, Vol. 50, Issue 1, pp. 223–227 [Abstract]
  • Robert Ponec
    Topological aspects of chemical reactivity
    1984, Vol. 49, Issue 2, pp. 455–473 [Abstract]
  • Jan Schraml, Micheline Grignon-dubois, Jacques Dunoguès, Harald Jancke, Günter Engelhardt and Václav Chvalovský
    NMR spectra (13C and 29Si) as a probe into the electronic structure of cyclopropylsilanes
    1983, Vol. 48, Issue 12, pp. 3396–3401 [Abstract]
  • Jan Schraml, Jaroslav Včelák, Miloslav Černý and Václav Chvalovský
    29Si NMR chemical shifts in pertrimethylsilylated 1,6-anhydro-β-D-glucopyranose derivatives. Empirical assignment from Hammett type dependence of the chemical shifts
    1983, Vol. 48, Issue 9, pp. 2503–2508 [Abstract]
  • Robert Ponec, Milan Hájek and Jaroslav Málek
    PMO treatment of structure-reactivity relationships. Polar effects in the free radical addition reactions
    1983, Vol. 48, Issue 9, pp. 2469–2472 [Abstract]
  • Jan Schraml, Eva Petráková, Otomar Pihar, Ján Hirsch and Václav Chvalovský
    Pertrimethylsilylation as a method for improvement of chemical shift additivity through conformational homogenization. 1H and 13C NMR spectra of pertrimethylsilylated derivatives of methyl β-D-xylopyranosides
    1983, Vol. 48, Issue 7, pp. 1829–1841 [Abstract]
  • Robert Ponec
    On separation of inductive and resonance effect
    1983, Vol. 48, Issue 6, pp. 1564–1570 [Abstract]
  • Robert Ponec
    Interpretation of a molecular wave function in terms of individual structures
    1983, Vol. 48, Issue 1, pp. 34–40 [Abstract]
  • Robert Ponec
    On definition of electronegativity within the framework of MO methods
    1982, Vol. 47, Issue 5, pp. 1479–1485 [Abstract]
  • Lubomír Nondek, Dana Žďárová, Jaroslav Málek and Václav Chvalovský
    Conversion of 2,3:4,6-di-O-isopropylidene-L-sorbose to 2,3:4,6-di-O-isopropylidene-2-keto-L-gulonic acid by catalytic oxidation with oxygen on platinum
    1982, Vol. 47, Issue 4, pp. 1121–1129 [Abstract]
  • Robert Ponec and Jaroslav Málek
    The reliability of MINDO method for characterizing the transition state structures in radical addition reactions
    1982, Vol. 47, Issue 3, pp. 802–808 [Abstract]
  • Josef Pola and Václav Chvalovský
    Electronic effect of and mutual polarizability in groups attached to oxygen via their C, Si, Ge, and B atoms
    1982, Vol. 47, Issue 2, pp. 613–616 [Abstract]
  • Josef Pola, John M. Bellama and Václav Chvalovský
    A comparative study of the SF6-sensitized interaction of a cw-CO2 laser radiation with methyltrichloro derivatives of carbon, silicon and germanium
    1981, Vol. 46, Issue 12, pp. 3088–3096 [Abstract]
  • Seán Cawley, Jan Schraml, Petr Svoboda, Robert Ponec and Václav Chvalovský
    1H NMR spectra of some chloro-alkenes
    1981, Vol. 46, Issue 11, pp. 2924–2934 [Abstract]
  • Robert Ponec, Luboš Dejmek and Václav Chvalovský
    Hyperconjugation in organosilicon chemistry
    1981, Vol. 46, Issue 11, pp. 2663–2668 [Abstract]
  • Robert Ponec, Milan Hájek and Jaroslav Málek
    PMO-treatment of the structure-reactivity relationships in free radical addition reactions of cycloalkenes
    1981, Vol. 46, Issue 10, pp. 2524–2530 [Abstract]
  • Jan Schraml, Václav Chvalovský, Märt Mägi and Endel Lippmaa
    The role of electronic and steric effects in 29Si-NMR spectra of compounds with Si-O-C group
    1981, Vol. 46, Issue 2, pp. 377–390 [Abstract]
  • Luboš Dejmek, Robert Ponec and Václav Chvalovský
    Protonation-induced variability of electronic effects of silyl and germyl substituents in α-carbofunctional derivatives
    1980, Vol. 45, Issue 12, pp. 3518–3524 [Abstract]
  • Luboš Dejmek, Robert Ponec and Václav Chvalovský
    Fourier component analysis of internal rotation in β-carbofunctional derivatives of group IVb elements
    1980, Vol. 45, Issue 12, pp. 3510–3517 [Abstract]
  • Robert Ponec, Luboš Dejmek and Václav Chvalovský
    Fourier components analysis of internal rotation in carbofunctional derivatives of group iv b elements
    1980, Vol. 45, Issue 11, pp. 2895–2902 [Abstract]
  • Gabriela Kuncová and Václav Chvalovský
    The effect of solvents on hydrosilylation of phenylalkenes catalysed by [RhCl{P(C6H5)3}3]
    1980, Vol. 45, Issue 8, pp. 2240–2246 [Abstract]
  • Gabriela Kuncová and Václav Chvalovský
    Steric effects in hydrosilylation of styrene
    1980, Vol. 45, Issue 7, pp. 2085–2099 [Abstract]
  • Robert Ponec
    Perturbation theory of substituent effect. Quantum chemical study of the positive bridging effect
    1980, Vol. 45, Issue 7, pp. 2054–2062 [Abstract]
  • Robert Ponec
    Perturbation theory of substituent effect. Importance of the field effect in transmission of the substituent effect
    1980, Vol. 45, Issue 6, pp. 1655–1661 [Abstract]
  • Robert Ponec
    Perturbation theory of substituent effect. Quantum chemical estimation of the Hammet ρ constants
    1980, Vol. 45, Issue 6, pp. 1646–1654 [Abstract]
  • Josef Pola and Václav Chvalovský
    The oxygen basicity strengthening effect in peroxides
    1980, Vol. 45, Issue 3, pp. 876–879 [Abstract]
  • Josef Pola and Václav Chvalovský
    The electronic effect of silyl groups in different XYZSi-R systems
    1980, Vol. 45, Issue 3, pp. 861–875 [Abstract]
  • Marie Jakoubková, Zlata Papoušková and Václav Chvalovský
    ν(C-F) in some organosilicon compounds
    1980, Vol. 45, Issue 3, pp. 854–860 [Abstract]
  • Robert Ponec and Jaroslav Málek
    Mechanistic aspects of chain initiation in radical addition reactions induced by metal ions
    1980, Vol. 45, Issue 1, pp. 231–237 [Abstract]
  • Josef Pola, Marie Jakoubková and Václav Chvalovský
    The electronic effects in and the oxygen basicity of some oxygen-containing boranes
    1979, Vol. 44, Issue 12, pp. 3688–3694 [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]
  • Robert Ponec, Luboš Dejmek and Václav Chvalovský
    Fourier component analysis of intramolecular interactions in α-carbofunctional silanes
    1979, Vol. 44, Issue 5, pp. 1434–1439 [Abstract]
  • Jan Schraml, Václav Chvalovský, Märt Mägi and Endel Lippmaa
    Silicon-29 and carbon-13 NMR spectra of model alkylsilanes of the type (CH3)3-nXnSi(CH2)mH
    1979, Vol. 44, Issue 3, pp. 854–865 [Abstract]
  • Josef Pola, Marie Jakoubková and Václav Chvalovský
    The effects controlling the oxygen basicity in alkoxysilanes (RO)nSi(CH3)4-n. The mutual polarizability effect of alkoxy groups attached to silicon
    1979, Vol. 44, Issue 3, pp. 750–755 [Abstract]
  • Michail G. Voronkov, Václav Chvalovský, Svetlana V. Kirpichenko, Natalia N. Vlasova, Sergei T. Bolshakov, Gabriela Kuncová, Vladimir V. Keiko and Elena O. Tsetlina
    Hydrosilylation of dialkenyl sulphides
    1979, Vol. 44, Issue 3, pp. 742–749 [Abstract]
  • Josef Pola, Marie Jakoubková and Václav Chvalovský
    The extent of some intramolecular effects in triethoxy- and trimethoxysilanes
    1978, Vol. 43, Issue 12, pp. 3391–3395 [Abstract]
  • Josef Pola and Václav Chvalovský
    The electronic effect of hydrogen in alkoxysilanes HkSi(CH3)1(OCH3)m
    1978, Vol. 43, Issue 12, pp. 3385–3390 [Abstract]
  • Josef Pola and Václav Chvalovský
    Variable electronic effect of trimethylsilyl group in trimethylsiloxyalkanes
    1978, Vol. 43, Issue 12, pp. 3380–3384 [Abstract]
  • Josef Pola, Marie Jakoubková and Václav Chvalovský
    The oxygen basicity in siloxanes. Variable electronic effect of trimethylsiloxy group
    1978, Vol. 43, Issue 12, pp. 3373–3379 [Abstract]
  • Jan Schraml, Václav Chvalovský, Märt Mägi and Endel Lipmaa
    Silicon-29 and carbon-13 NMR spectra of the compounds of the type (CH3)3Si(CH2)mOR
    1978, Vol. 43, Issue 12, pp. 3365–3372 [Abstract]
  • Jan Schraml, Nguyen-Duc Chuy, Petr Novák, Václav Chvalovský, Märt Mägi and Endel Lippmaa
    29Si, 17O, 13C, and 1H-NMR spectra of acetoxyalkylsubstituted silanes (CH3)3-nXnSi(CH2)mOC(O3)CH3
    1978, Vol. 43, Issue 12, pp. 3202–3209 [Abstract]
  • Josef Pola and Václav Chvalovský
    An intramolecular interaction between halogen and silicon displayed in some physical properties of silylmethyl halides
    1978, Vol. 43, Issue 12, pp. 3192–3201 [Abstract]
  • Jan Schraml, Jaroslav Včelák, Václav Chvalovský, Günter Engelhardt, Harald Jancke, Luděk Vodička and Josef Hlavatý
    29Si and 13C-NMR spectra and steric effects in mono- and bis(trimethylsiloxy)adamantanes
    1978, Vol. 43, Issue 12, pp. 3179–3191 [Abstract]
  • Josef Pola, Marie Jakoubková and Václav Chvalovský
    The polarizability of some groups attached to oxygen in ethers
    1978, Vol. 43, Issue 3, pp. 760–768 [Abstract]
  • Josef Pola, Marie Jakoubková and Václav Chvalovský
    Mutual polarizability effect of some substituents bonded to silicon
    1978, Vol. 43, Issue 3, pp. 753–759 [Abstract]
  • Josef Pola and Václav Chvalovský
    Variable electronic effect of silyl groups attached to oxygen
    1978, Vol. 43, Issue 3, pp. 746–752 [Abstract]