RING CONTRACTION OF SULFENAMIDES DERIVED FROM THIOCHROMAN-4-ONES

被引:11
作者
GABBUTT, CD
HEPWORTH, JD
HERON, BM
KANJIA, M
机构
[1] Department of Chemistry, University of Central Lancashire, Preston
关键词
D O I
10.1016/S0040-4020(01)80797-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Thiochroman-4-ones and chroman-4-ones react with an excess of thionyl chloride to give the alpha-chlorosulfenyl chlorides (2) which form sulfenamides (3) when treated with secondary amines. On hydrolysis, (3) undergo a ring contraction to give benzo[b]thiophen-3-ones (4).
引用
收藏
页码:827 / 834
页数:8
相关论文
共 22 条