Synthesis of spirosystems by rhodium(II)-carbenoid C-H insertion reactions.

被引：14
|
作者：
Aburel, PS [1 ]
Undheim, K [1 ]
机构：
[1] Univ Oslo, Dept Chem, N-0315 Oslo, Norway
来源：
TETRAHEDRON LETTERS | 1998年 / 39卷 / 22期
关键词：
D O I：
10.1016/S0040-4039(98)00591-7
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A simple one-pot procedure is described for the preparation of spiro[4,4]nonane-2,7-dione derivatives from open chain bis(alpha-diazoketones). The reactions proceed by an intramolecular Rh(II)-carbenoid insertion into a methylene C-H bond yielding a cyclopentane which subsequently undergoes C-H methine insertion and cyclopentyl spiroannulation. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：3813 / 3814
页数：2
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