New cyclic and macrocyclic silaolefins <em>via</em> ring-closing metathesis of 1,1-bis(silyl)ethene-tethered dienes期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

*New cyclic and macrocyclic silaolefins via* ring-closing metathesis of 1,1-bis(silyl)ethene-tethered dienes**

Authors:	Grzegorz Hreczycho

Affiliation:	Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznan, Poland

Abstract:	Dialkenyl-substituted 1,1-bis(silyl)ethenes of the general formulae (CH₂CH(CH₂)_nMe₂Si)₂CCH₂ and (CH₂CH(CH₂)_nOMe₂Si)₂CCH₂, (where n = 1-3) have been successfully converted into new silacyclic or silamacrocyclic compounds in the presence of ruthenium-benzylidene complex (first generation Grubbs catalyst). The structures of both macrocyclic silaolefins have been confirmed using X-ray diffraction.

Keywords:	Silacyclic compounds 1,1-Bis(silyl)ethenes Ring-closing metathesis Grubbs catalyst Cyclization
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