2-vinyl-1,1,2-trihalocyclopropanes - Valuable five carbon cyclopropane and cyclopropene synthetic intermediates

被引:13
作者
AlDulayymi, AR
Baird, MS
机构
[1] Department of Chemistry, University of Wales, Bangor
关键词
D O I
10.1016/0040-4020(96)00592-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The dichloro- and dibromocarbene adducts of chloroprene and 2,3-dichlorobutadiene are readily dehalogenated by reaction with methylithium to give 1-halo-2-vinylcyclopropenes which on further lithium-halogen exchange give synthetically useful 1-lithio-2-vinylcyclopropenes. Trapping of 1-lithio-2-(1-chlorovinyl)cyclopropene with methyl chloroformate leads to a very unusual cyclononadienyne. Copyright (C) 1996 Elsevier Science Ltd
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页码:10955 / 10968
页数:14
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