Zobrazeno 1 - 10
of 30
pro vyhledávání: '"L. M. Épshtein"'
Publikováno v:
Pharmaceutical Chemistry Journal. 30:510-512
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e163a9bce7a4aee76a407b0b1a2cbd4
https://doi.org/10.1007/bf02334636
https://doi.org/10.1007/bf02334636
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27:1131-1135
1. A study was made of the absorption bands In the 1500–1750-cm−1 region of the spectra of o-carbonylcontaining phenols, and their phenylmercury and triethyltin derivatives, in polar and nonpolar solvents. 2. It has been shown that the carbonyl g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb862722f08eb51d3902e78464b0e892
https://doi.org/10.1007/bf00923360
https://doi.org/10.1007/bf00923360
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 31:242-246
1. The position of the tautomeric equilibrium for 2-substituted nitrosophenols and their organometallic derivatives in toluene is related to the ability of the OH and RnMO groups to form chelate rings with a halogen atom or MeO group. The stabilizati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f5ae2c1e4056685d5cd28ae23588875
https://doi.org/10.1007/bf00948234
https://doi.org/10.1007/bf00948234
Autor:
D. A. Bochvar, L. A. Kazitsyna, Nina P Gambaryan, A. N. Zhdanova, N. S. Dolgopyat, L. M. Épshtein
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 28:2302-2307
1. The electron-donor properties of RnXNR2-type compounds, where X=S, Se, P, or As, decrease relative to a series of H acids in the order NR3≫R2NXRn>XRn+1. 2. The donor properties of bidentate bases increase on replacement of a Period III hetero at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fc25ff623ab2f0da9a49ae529051f7c
https://doi.org/10.1007/bf00951703
https://doi.org/10.1007/bf00951703
Autor:
V. L. Beloborodov, D. N. Kravtsov, L. S. Golovchenko, L.A. Kazitsyna, L.D. Ashkinadze, L. M. Épshtein
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 27:1573-1579
1. Electronic spectroscopy has been used to show the similarity of the reactions of the nitrophenols and their phenylmercury and triphenyltin derivatives with triethylamines and diethylamines. 2. Increasing the electron-acceptor activity of the aroma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af52a01e4ea199c5b9e1e1dd83c8b0d1
https://doi.org/10.1007/bf00925043
https://doi.org/10.1007/bf00925043
Publikováno v:
Russian Chemical Reviews. 45:660-670
Comparison of non-empirical calculations on analogous nitrogen and phosphorus compounds shows that the presence of vacant d orbitals in the valence shells of the elements in the Third Period cannot be the real cause of the differences between the pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::35d7dc118ed638a5fdafd57dc9784923
https://doi.org/10.1070/rc1976v045n07abeh002701
https://doi.org/10.1070/rc1976v045n07abeh002701
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 26:1836-1840
1. Measurements have been made of the Raman line intensities at 1600 cm−1, and electronic spectra developed for diphenyl and triphenyl derivatives of group V and VIb elements, respectively. 2. Neither the change in intensity of the Raman line, nor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ddfe3ff26b960c44c05d570a13091d9
https://doi.org/10.1007/bf00924371
https://doi.org/10.1007/bf00924371
Autor:
L. A. Kazitsyna, S. I. Pombrik, L. D. Ashkinadze, V. L. Beloborodov, E. M. Rokhlina, L. M. Épshtein, D. N. Kravtsov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 28:1585-1591
1. Comparison of electronic spectra has brought out the effect of polar and conformational factors in the behavior of the organometallic derivatives of the nitrophenols and nitrothiophenols. 2. Interaction of these compounds with DMSO does not lead t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28f09e9c25dba18aa6adb9d414d2f132
https://doi.org/10.1007/bf00950973
https://doi.org/10.1007/bf00950973
Autor:
L. D. Ashkinadze, V. L. Beloborodov, L. M. Épshtein, D. N. Kravtsov, L. S. Golovchenko, E. M. Rokhlina, L. A. Kazitsyna
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 28:1815-1820
1. Study has been made of the IR and UV spectra of various substituted o-nitrophenols and o-nitrothiophenols, and their organomercury and organolead derivatives, in polar and nonpolar solvents. Constants for the complexing of these compounds with pyr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ed9a35fc085b1b5c68d8d5d9938b8d50
https://doi.org/10.1007/bf00952454
https://doi.org/10.1007/bf00952454
Autor:
L. S. Golovchenko, V. M. Pachevskaya, Zyong Fan Dau, D. N. Kravtsov, L. A. Kazitsyna, L. M. Épshtein
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 24:2334-2339
1. Exchange equilibria of the metal-proton and metal-metal type were studied by the method of IR spectroscopy in a series of substituted phenols and their C6H5Hg and (C6H5)3Sn derivatives. 2. The polar effects of substituents in the phenol ring chang
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::877b188e47c8b574e1d0664d9fb8c762
https://doi.org/10.1007/bf00921643
https://doi.org/10.1007/bf00921643