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

页码：2329 / 2337

页数：9

共 21 条

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