Divergent mechanisms for the skeletal rearrangement and [2+2] cycloaddition of enynes catalyzed by gold

被引：256
|
作者：
Nieto-Oberhuber, C
López, S
Muñoz, MP
Cárdenas, DJ
Buñuel, E
Nevado, C
Echavarren, AM
机构：
[1] Inst Chem Res Catalonis, Tarragona 43007, Spain
[2] Univ Autonoma Madrid, Dept Quim Organ, E-28049 Madrid, Spain
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2005年 / 44卷 / 38期
关键词：
alkynes; cyclization; density functional calculations; gold; rearrangement;
D O I：
10.1002/anie.200501937
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
(Chemical Equation Presented) Support for the direct route: That cyclobutenes are not necessary intermediates in the skeletal rearrangement of enynes is supported by DFT calculations and kinetic studies. Cyclobutenes may arise from the corresponding syn-cyclopropylgold(I) carbenes (see scheme). © 2005 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码：6146 / 6148
页数：3
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