RHODIUM(I)-CATALYZED METALLO-ENE CYCLIZATIONS BETA-ELIMINATIONS

被引：39
|
作者：
OPPOLZER, W
FURSTNER, A
机构：
[1] Département de Chimie Organique, Univeristé de Genève, Genève
来源：
HELVETICA CHIMICA ACTA | 1993年 / 76卷 / 06期
关键词：
D O I：
10.1002/hlca.19930760618
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Octadienyl carbonates 5 provide cyclic 1,4-dienes 6 when treated with Rh(I) complexes (1-10 mol-%) at 80-degrees. Similar cyclization of cyclohexenyl acetate 8 affords cis-fused hexahydroindene 9. Analogous ring closures of nonadienyl carbonate 10 yield preferably the cis-divinylpyrrolidine 11 with Rh(I) catalysis but the trans-isomer 12 when catalyzed by Pd0. Azaoctadienyl carbonate 5a undergoes elimination with [RhH(PPh3)4] (5 mol-%, 80-degrees) in MeCN giving acyclic triene 7.
引用
收藏
页码：2329 / 2337
页数：9
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