Polymerization of aryl isocyanides by cyclopentadienylnickel-alkynyl complexes

被引：11

作者：

Takei, F ^{[1
]}

Tung, SP ^{[1
]}

Yanai, K ^{[1
]}

Onitsuka, K ^{[1
]}

Takahashi, S ^{[1
]}

机构：

[1] Osaka Univ, Inst Sci & Ind Res, Ibaraki, Osaka 5670047, Japan

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1998年 / 559卷 / 1-2期

关键词：

nickel acetylides; cycle pentadienylnickel; polymerization; isocyanides; multiple insertion;

D O I：

10.1016/S0022-328X(98)00423-9

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

(eta(5)-Cyclopentadienyl)nickel-alkynyl complexes, CpNi(PPh3)C=CR (R = Ph, H, CO2Et), and -methyl complex effectively catalyze the polymerization of aryl isocyanides at room temperature. Double-insertion complexes of isocyanides are isolated and characterized as an active intermediate of the polymerization, whose mechanism involving successive insertion of isocyanides into nickel-carbon sigma-bonds is proposed. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：91 / 96

页数：6

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