PMR spectra of some five- and six-membered heterocyclic compounds of silicon and germanium Научная публикация
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Chemistry of Heterocyclic Compounds
ISSN: 1573-8353 , E-ISSN: 0009-3122 |
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| Вых. Данные | Год: 1969, Том: 5, Номер: 5, Страницы: 692-697 Страниц : 6 DOI: 10.1007/bf00957393 | ||||
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Реферат:
The PMR spectra of various 1-sila- and 1-germacyclopentanes and also those of some substituted disilacyclohexanes are discussed. The influence of the magnetic field of the aryl and vinyl substituents in 1,1-dialkyl-2,5-diaryl(vinyl)-1-sila(germa)cyclopentanes on the chemical shifts of the protons of the individual groups is studied, the differences found in the position of the PMR lines of the methyl and methylene groups showing the existence of cis-trans isomers in these heterocycles. With 1,1-dimethyl-2,5-divinylsilacyclopentane as an example, an increase in screening due to the magnetism of the multiple bonds for the protons of groups not directly connected with the unsaturated groupings and located in a direction perpendicular to the axis of the double bond has been found experimentally.
Библиографическая ссылка:
Khachaturov A.S.
, Nefedov O.M.
PMR spectra of some five- and six-membered heterocyclic compounds of silicon and germanium
Chemistry of Heterocyclic Compounds. 1969. V.5. N5. P.692-697. DOI: 10.1007/bf00957393 OpenAlex
PMR spectra of some five- and six-membered heterocyclic compounds of silicon and germanium
Chemistry of Heterocyclic Compounds. 1969. V.5. N5. P.692-697. DOI: 10.1007/bf00957393 OpenAlex
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