BASE-FREE CATIONIC 14-ELECTRON TITANIUM AND ZIRCONIUM ALKYLS - INSITU GENERATION, SOLUTION STRUCTURES, AND OLEFIN POLYMERIZATION ACTIVITY

被引：194

作者：

BOCHMANN, M

JAGGAR, AJ

NICHOLLS, JC

机构：

[1] School of Chemical Sciences, University of East Anglia, Norwich

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1990年 / 29卷 / 07期

关键词：

D O I：

10.1002/anie.199007801

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Multiple insertion of ethylene into the TiCH3 bond, the first direct evidence for the role of cationic intermediates in polymerization reactions, is observed upon reaction of the cationic Ti and Zr complexes 3 at low temperatures. Complexes 3 are formed from 1 and 2 in a reaction involving elimination of methane. Under the same conditions, ethylene in excess undergoes polymerization (M = Ti, Zr). (Formula Presented.) Copyright © 1990 by VCH Verlagsgesellschaft mbH, Germany

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页码：780 / 782

页数：3

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