CYCLOPENTENONES FROM ALLYLIDENE TRIPHENYLPHOSPHORANES AND ALPHA-HALOCARBONYL COMPOUNDS

被引：15

作者：

HATANAKA, M

HIMEDA, Y

UEDA, I

机构：

[1] The Institute of Scientific and Industrial Research, Osaka University, Ibaraki, Osaka, 567, Mihogaoka

来源：

TETRAHEDRON LETTERS | 1991年 / 32卷 / 35期

关键词：

D O I：

10.1016/0040-4039(91)80029-6

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Allylidene triphenylphosphorane 3 reacted with alpha-haloketones and alpha-halothioesters to give 2-ethoxycyclopentadienes via a [3+2] annulation process in the presence of base. Mild acid treatment of the 2-ethoxycyclopentadienes provided a new route to cyclopentenones.

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页码：4521 / 4524

页数：4

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