Photochemical radical cyclization of γ,δ-unsaturated ketone oximes to 3,4-dihydro-2H-pyrroles

被引：44

作者：

Kitamura, M ^{[1
]}

Mori, Y ^{[1
]}

Narasaka, K ^{[1
]}

机构：

[1] Univ Tokyo, Dept Chem, Grad Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan

来源：

TETRAHEDRON LETTERS | 2005年 / 46卷 / 14期

关键词：

oxime; radical cyclization; photoinduced electron transfer; photoinduced energy transfer;

D O I：

10.1016/j.tetlet.2005.02.062

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

3.4-Dihvdro-2H-pyrroles are synthesized from gamma,delta-unsaturated oximes by photochemical radical cyclization with 1,5-dimethoxynaphthatene (DMN) as the sensitizer. The cyclization of alkyl ketone O-acetyloximes proceeds via photosensitized electron transfer in the presence of acetic acid, while conjugated oximes of aryl and alpha,beta-unsaturated ketones are cyclized via energy transfer. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：2373 / 2376

页数：4

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