Cyclization of o-(3-hydroxy-3-methylbutynyl)phenols with boron tribromide to 4-bromo-2,2-dimethylchromenes and their electroreduction to 2,2-dimethylchromenes

被引：11

作者：

Tsukayama, M ^{[1
]}

Utsumi, H ^{[1
]}

Kunugi, A ^{[1
]}

Nozaki, H ^{[1
]}

机构：

[1] OKAYAMA UNIV SCI,FAC SCI,OKAYAMA 700,JAPAN

来源：

HETEROCYCLES | 1997年 / 45卷 / 06期

关键词：

D O I：

10.3987/COM-97-7804

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Cyclization of o-(3-hydroxy-3-methylbutynyl)phenols (2) with boron tribromide gave easily 4-bromo-2,2-dimethylchromenes (3). Electrolytic reduction of 3 at a Hg-pool electrode afforded the corresponding 2,2-dimethylchromenes (6) in high yields.

引用

页码：1131 / 1142

页数：12

共 38 条

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Gevorkyan A.R.
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Chemistry of Heterocyclic Compounds, 2004, 40 (2) : 177 - 182
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