Aminoboranediyl-bridged zirconocenes: Highly active olefin polymerization catalysts

被引：58
|
作者：
Ashe, AJ [1 ]
Fang, XG [1 ]
Kampf, JW [1 ]
机构：
[1] Univ Michigan, Dept Chem, Ann Arbor, MI 48109 USA
来源：
ORGANOMETALLICS | 1999年 / 18卷 / 12期
关键词：
D O I：
10.1021/om9901776
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Novel aminoboranediyl-bridged zirconocenes [i-Pr2NB(eta(5)-C5H4)(2)]ZrCl2 (8b) and [i-Pr2NB(eta(5)-1-C9H8)(2)]ZrCl2 (4b) have been prepared and structurally characterized. When activated by excess methylaluminoxane, 4b and 8b form highly active catalysts for the polymerization of ethylene. The catalyst derived from 4b converts propylene to isotactic polypropylene.
引用
收藏
页码：2288 / 2290
页数：3
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