gem-Disubstituent effect:: Theoretical basis and synthetic applications

被引:787
作者
Jung, ME [1 ]
Piizzi, G [1 ]
机构
[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA
关键词
D O I
10.1021/cr940337h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
An overview of the theoretical basis and both synthetic and biochemical applications of the gem-disubstituent effect is given. Several theories to explain the source of this rate-enhancing effect are described with their differences and similarities. In most cases, there is agreement that the origin of the gem-disubstituent effect may vary somewhat depending on the system being analyzed. Nevertheless, there is little doubt that the beneficial effect of the introduction of a geminal group can be found in many cyclizations.
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收藏
页码:1735 / 1766
页数:32
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