A convenient method for the preparation of furans by the phosphine-initiated reactions of enynes bearing a carbonyl group

被引：21

作者：

Kuroda, H ^{[1
]}

Hanaki, E ^{[1
]}

Kawakami, M ^{[1
]}

机构：

[1] Toyama Natl Coll Technol, Dept Ind Chem, Toyama 9398630, Japan

来源：

TETRAHEDRON LETTERS | 1999年 / 40卷 / 19期

关键词：

furans; enynes; cyclization; and phosphine;

D O I：

10.1016/S0040-4039(99)00601-2

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Furans having a double bond at the alpha-position were obtained by phosphine-initiated cyclization of enynes bearing a carbonyl group at the ene-side in the presence of aldehyde in high yield. The reaction may involve the 1,6-addition of phosphine toward the enynes, ring closure, and Wittig reaction of the ylid resulted from the cyclization with aldehyde. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：3753 / 3756

页数：4

共 12 条

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