Collect. Czech. Chem. Commun.
1981, 46, 377-390
https://doi.org/10.1135/cccc19810377
The role of electronic and steric effects in 29Si-NMR spectra of compounds with Si-O-C group
Jan Schramla, Václav Chvalovskýa, Märt Mägib and Endel Lippmaab
a Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences, 165 02 Prague 6-Suchdol
b Institute of Cybernetics, Estonian Academy of Sciences, Tallin 200 001, USSR
Individual author index pages
Other CCCC articles of these authors
- Jan Schraml*, Jiří Hetflejš, Stanislav Šabata, Vratislav Blechta, Jan Sýkora and Jana Roithová
Structure of Disilylated Acetoacetohydroxamic Acid
2004, Vol. 69, Issue 7, pp. 1472–1478 [Abstract] - Jaroslav Podlaha, Ivana Císařová*, Ludmila Soukupová and Jan Schraml
Molecular and Crystal Structure of Benzohydroxamic Acid and Its Ring-Substituted Derivatives
2000, Vol. 65, Issue 8, pp. 1273–1288 [Abstract] - Magdalena Kvíčalová, Jan Čermák, Vratislav Blechta and Jan Schraml
Silicon-29 NMR Spectra of Trimethylsilylated Alcohols
1997, Vol. 62, Issue 5, pp. 816–820 [Abstract] - Magdalena Kvíčalová, Vratislav Blechta, Krzysztof Kobylczyk, Ryszard Piekos and Jan Schraml
Silicon-29 NMR Spectra of tert-Butyldimethylsilyl and Trimethylsilyl Derivatives of Some Non-Rigid Diols
1997, Vol. 62, Issue 5, pp. 761–768 [Abstract] - Jan Čermák, Magdalena Kvíčalová, Jan Schraml and Martin Čapka
Diels-Alder Self-Addition and Retroaddition of (Cyclopentadienylmethyl)triethoxysilane and Synthesis of its Permethylated Analogue
1994, Vol. 59, Issue 2, pp. 453–456 [Abstract] - Jan Schraml, Vratislav Blechta and Eduard Krahé
Long-Range 2D INADEQUATE in Structure Determination
1992, Vol. 57, Issue 10, pp. 2005–2011 [Abstract] - Eva Petráková, Ivana Krupová, Jan Schraml and Ján Hirsch
Synthesis and 13C NMR spectra of disaccharides related to glucoxylans and xyloglucans
1991, Vol. 56, Issue 6, pp. 1300–1308 [Abstract] - Vratislav Blechta and Jan Schraml
A selective INEPT experiment for the assignment of NMR lines of low-gyromagnetic ratio nuclei through long-range couplings
1991, Vol. 56, Issue 2, pp. 258–261 [Abstract] - Jan Schraml, Robert Brežný, Magdalena Kvíčalová and Jan Čermák
29Si and 13C NMR spectra of (E)-β-substituted 3-methoxy-4-trimethylsiloxystyrenes
1990, Vol. 55, Issue 8, pp. 2038–2042 [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, Robert Brežný and Jan Čermák
Proximity and conformation effects in 29Si and 13C NMR spectra of di-ortho substituted trimethylsiloxybenzenes
1990, Vol. 55, Issue 8, pp. 2027–2032 [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] - Jan Schraml and Jan Čermák
29Si and 13C nmr spectra of trimethylsiloxy and hydroxy adamantanes reinvestigated at low concentration in deuteriochloroform solutions
1990, Vol. 55, Issue 2, pp. 452–459 [Abstract] - Jan Schraml, Eva Petráková, Ján Hirsch, Raivo Teeaar and Endel Lippmaa
Structure and 13C MAR NMR spectra of various forms of isomeric methyl xylobiosides
1989, Vol. 54, Issue 11, pp. 3092–3101 [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] - 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] - Jan Schraml, Jaan Past, Jüri Puskar, Tõnis Pehk, Endel Lippmaa and Robert Brežný
Assignment of 29Si NMR lines and determination of 29Si-13C coupling constants in pertrimethylsilylated lignin-related phenol-carboxylic acids by selective heteronuclear INADEQUATE method
1987, Vol. 52, Issue 8, pp. 1985–1991 [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] - 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] - 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] - Jaan Past, Jüri Puskar, Jan Schraml and Endel Lippmaa
Assignment techniques for 29Si NMR spectra of pertrimethylsilylated products. 29Si satellites in 13C NMR spectra measured with selective 29Si decoupling
1985, Vol. 50, Issue 9, pp. 2060–2064 [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] - Jan Schraml, Michail Fedorovich Larin and Vadim Aleksandrovich Pestunovich
Assignment techniques for 29Si NMR chemical shifts in pertrimethylsilylated products. Tests of empirical assignment rules by a modified 29Si indor
1985, Vol. 50, Issue 2, pp. 343–347 [Abstract] - Josef Pola and Václav Chvalovský
Laser driven pyrolysis of n-alkanes
1985, Vol. 50, Issue 1, pp. 223–227 [Abstract] - Jan Schraml, Aleksandr Mikhailovich Krapivin, Aleksandr Petrovich Luzin, Vladimir Mikhailovich Kilesso and Vadim Aleksandrovich Pestunovich
29Si (and 13C) NMR spectra of modified silatranyl derivatives of some monosaccharides
1984, Vol. 49, Issue 12, pp. 2897–2902 [Abstract] - Jan Schraml, Ján Hirsch, Eva Petráková, Eduard Krahé and Claus Bliefert
Assignment of 1H and 13C NMR spectra by a combination of homo- and heteronuclear shift correlated two-dimensional NMR. Application to oligosaccharides related to arabinoxylane
1984, Vol. 49, Issue 7, pp. 1605–1616 [Abstract] - Jan Schraml
Routine use of inept technique for measurements of 29Si NMR spectra of trimethylsilyl derivatives
1983, Vol. 48, Issue 12, pp. 3402–3406 [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, Ján Šraga and Pavel Hrnčiar
29Si, 13C and 1H NMR spectra of some trimethylsiloxy- and bis(trimethylsiloxy)butene isomers
1983, Vol. 48, Issue 11, pp. 3097–3103 [Abstract] - Jan Schraml, Ján Šraga and Pavel Hrnčiar
NMR spectra (29Si and 13C) of trimethylsilylated cyclic acyloins and ketones
1983, Vol. 48, Issue 10, pp. 2937–2943 [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] - 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, Jan Kučera and Václav Chvalovský
Basicity of carbonfunctional organosilicon compounds and mechanism of the α effect
1983, Vol. 48, Issue 6, pp. 1602–1607 [Abstract] - Eva Petráková and Jan Schraml
13C and 1H NMR spectra of all methyl O-benzoyl-β-D-xylopyranosides. nonadditivity of acylation effects on 13C chemical shifts in deutoriochloroform solutions
1983, Vol. 48, Issue 3, pp. 877–888 [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] - Jan Schraml, Martin Čapka and Harald Jancke
29Si, 13C and 31P NMR spectra of silicon-substituted ω-diphenylphosphinoalkyl silanes, (CH3)3-n(OC2H5)nSi(CH2)mP(C6H5)2
1982, Vol. 47, Issue 3, pp. 793–801 [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] - 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] - 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] - 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] - Jan Schraml, Harald Jancke, Günter Engelhardt, Luděk Vodička and Josef Hlavatý
13C NMR spectra of hydroxy adamantanes additivity in 13C NMR spectra of dihydroxyadamantanes
1979, Vol. 44, Issue 7, pp. 2230–2237 [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] - Jiří Dědina, Jan Schraml, Zdeněk Arnold and Jana Šauliová
Homonuclear Overhauser effect study of trimethinium salts
1978, Vol. 43, Issue 12, pp. 3356–3364 [Abstract] - Martin Čapka, Jan Schraml and Harold Jancke
Synthesis and 29Si-, 13C-, and 31P-NMR spectra of (ω-diphenylphosphinoalkyl)trimethylsilanes
1978, Vol. 43, Issue 12, pp. 3347–3355 [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] - Věra Vaisarová, Jan Schraml and Jiří Hetflejš
Hydrosilylation of isoprene and 2,3-dimethyl-1,3-butadiene catalysed by some nickel and palladium complexes
1978, Vol. 43, Issue 1, pp. 265–277 [Abstract]