DIMERIZATION OF 1-ALKYNES CATALYZED BY RHCL(PME3)3 - ISOLATION OF THE INTERMEDIATE (ALKYNYL) (VINYL)RHODIUM(III) COMPLEXES

被引：61

作者：

KOVALEV, IP ^{[1
]}

YEVDAKOV, KV ^{[1
]}

STRELENKO, YA ^{[1
]}

VINOGRADOV, MG ^{[1
]}

NIKISHIN, GI ^{[1
]}

机构：

[1] ND ZELINSKII INST ORGAN CHEM,LENINSKY PROSPEKT 47,MOSCOW 117913,RUSSIA

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1990年 / 386卷 / 01期

关键词：

D O I：

10.1016/0022-328X(90)80262-X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The dimerization of 1-alkynes catalyzed by RhCl(PMe3)3 yields conjugated enynes I and II (I/II = 1.4-2.4), with a selectivity of 95-98%. The data indicate that the reaction proceeds by alkyne insertion into the metal-hydride bond of the intermediate (alkynyl)(hydride)RhIII complexes VII, VIII to give the (alkynyl)(vinyl)RhIII species cis-{A figure is presented} (IX) and cis-{A figure is presented} (X) which were isolated. The thermal decomposition of IX and X in solution gives the enynes I and II correspondingly. © 1990.

引用

页码：139 / 146

页数：8

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