The generation and reactions of 3,4-didehydro-2H-[1]benzopyran, a highly strained heterocycle

被引:3
|
作者
Gabbutt, CD [1 ]
Heron, BM [1 ]
Hepworth, JD [1 ]
Rahman, MM [1 ]
机构
[1] UNIV CENT LANCASHIRE,DEPT CHEM,PRESTON PR1 2HE,LANCS,ENGLAND
关键词
D O I
10.1016/0040-4039(95)02382-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Reaction of 3,4-dibromo-2,2,6,8-tetramethyl-2H-[1]benzopyran with either organolithium reagents or magnesium generates the novel aryne, 3,4-didehydro-2H-[1]benzopyran. Cycloaddition with dienes gives access to the dibenzo[b,d]pyran system.
引用
收藏
页码:1313 / 1316
页数:4
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