Abstract
1. The PMR spectra of a number of disilyl- and digermyl-substituted ethylenes, as well asβ-chlorovinyl derivatives of silicon and germanium, were obtained. These compounds have a trans-configuration. 2. The chemical shifts of the -CH=CH- fragment, corrected for the effects of magnetic anisotropy and the electrical field of the substituents, are evidence of greater ability of silicon for dπ-pπ interaction with the π-electrons of the double bond in comparison with germanium.
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Schedule a callMore From: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science
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