CYCLIZATION REACTIONS OF MOLYBDENUM AND CHROMIUM CARBENE COMPLEXES WITH 1,6-ENYNES AND 1,7-ENYNES - EFFECT OF TETHER LENGTH AND COMPOSITION

被引：55
|
作者：
HARVEY, DF
LUND, KP
NEIL, DA
机构：
[1] Department of Chemistry, University of California, San Diego, California 92093-0506, La Jolla
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1992年 / 114卷 / 22期
关键词：
D O I：
10.1021/ja00048a012
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
It has been observed that the reaction of 1,6- and 1,7-enynes with pentacarbonyl(butylmethoxycarbene)molybdenum(0) (18) produces vinylcyclopropanes in good to excellent yield. A systematic investigation into the factors which govern the success of these cyclizations has been performed. Chromium carbene complexes also lead to the formation of vinylcyclopropanes but in significantly lower yields. When the pathway to vinylcyclopropanes is not followed, a number of other distinct types of products are obtained. The pathways leading to these various products are discussed and compared.
引用
收藏
页码：8424 / 8434
页数：11
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