Regio- and stereospecific cleavage of alpha,beta-epoxysilanes with lithium diphenylphosphide

被引:14
作者
Cuadrado, P [1 ]
GonzalezNogal, AM [1 ]
机构
[1] UNIV VALLADOLID,DEPT QUIM ORGAN,E-47011 VALLADOLID,SPAIN
关键词
D O I
10.1016/S0040-4039(97)10123-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Silyl epoxides In-e react with lithium diphenylphosphide and then with methyl iodide to give vinylphosphonium iodides resulting from alpha-opening of the epoxide ring and subsequent Peterson elimination. In the same conditions, the E-beta-phenyl-alpha-tert-butyldiphenylsilylepoxide If leads to the corresponding silyl enol ether 5 by beta-opening followed by Brook rearrangement. Both processes are regio-and stereospecific. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码:8117 / 8120
页数:4
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