RADICAL CYCLIZATIONS OF N-VINYLIC ALPHA-CHLOROACETAMIDES - 5-ENDO-TRIG AND 4-EXO-TRIG CYCLIZATIONS

被引:98
|
作者
ISHIBASHI, H
NAKAMURA, N
SATO, T
TAKEUCHI, M
IKEDA, M
机构
[1] Kyoto Pharmaceutical University, Kyoto, 607, Misasagi, Yamashina
关键词
D O I
10.1016/S0040-4039(00)74314-0
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Bu3SnH mediated radical cyclizations of N-vinylic alpha-chloroacetamides proceeded in a "disfavored" 5-endo-trig manner to give five-membered lactams. Some exceptions where the 4-exo cyclization predominates are also described.
引用
收藏
页码:1725 / 1728
页数:4
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