A novel acylative ring cleavage of benzothieno[3,2-b]pyran-4-ols:: application to the synthesis of dibenzothiophenes and fused-ring derivatives

被引：3

作者：

Gabbutt, CD ^{[1
]}

Hepworth, JD ^{[1
]}

Heron, BM ^{[1
]}

Thomas, JL ^{[1
]}

机构：

[1] Univ Hull, Dept Chem, Hull HU6 7RX, N Humberside, England

来源：

CHEMICAL COMMUNICATIONS | 1999年 / 06期

关键词：

D O I：

10.1039/a900730j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The benzothienopyranols 3, readily available from the ketone 1, are transformed to the carbamates 5 on treatment with N,N-dimethylcarbamoyl chloride, subsequent thermal electrocyclisation provides access to dibenzothiophene derivatives 6 and 11-13.

引用

页码：541 / 542

页数：2

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