Rapidly initiating ruthenium olefin-metathesis catalysts

被引：158
|
作者：
Romero, PE
Piers, WE
McDonald, R
机构：
[1] Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada
[2] Univ Alberta, Dept Chem, XRay Struct Lab, Edmonton, AB T6G 2G2, Canada
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2004年 / 43卷 / 45期
关键词：
carbene ligands; homogeneous catalysis; metathesis; ruthenium;
D O I：
10.1002/anie.200461374
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Vacancies: Protonation of the ruthenium carbide compounds [Cl 2(L)(PR3)Ru≡C:] gives the 14-electron four-coordinate ruthenium phosphonium alkylidenes [Cl2(L)Ru= CH(PR3)]+[B(X)4]- (see scheme). These compounds which already have a vacant coordination site provide direct access to the active species in olefin metathesis catalysis and thus very fast initiation.
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页码：6161 / 6165
页数：5
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