Phosphine substituted Ru3(μ-dppm)(CO)10:: structural trends within [Ru3( μ-dppm)(PR3)(CO)9] (R=Et, Ph, Cy and Pri)

被引：21
|
作者：
Torabi, AA [1 ]
Humphreys, AS [1 ]
Koutsantonis, GA [1 ]
Skelton, BW [1 ]
White, AH [1 ]
机构：
[1] Univ Western Australia, Dept Chem, Nedlands, WA 6009, Australia
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2002年 / 655卷 / 1-2期
关键词：
ruthenium; carbonyl substitution; cluster; phosphine;
D O I：
10.1016/S0022-328X(02)01567-X
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The complexes [Ru-3(mu-dppm)(PR3)(CO)(9)] (R=Et, Ph, Cy, Pr'} were prepared from [Ru-3(mu-dppm)(CO)(10)] by simple phosphine substitution reactions at room temperature and their structures determined by single crystal X-ray studies. Variations in the Ru-Ru bond adjacent to the phosphine ligand suggest the enhanced reactivity of [Ru-3(mu-dppm)(CO)(10)] over the parent carbonyl [Ru-3(CO)(12)] to be consequent on the inability of [Ru-3(mu-dppm)(CO)(10)] to effectively relieve steric congestion imposed by the presence of the bulky, bidentate dppm ligand. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：227 / 232
页数：6
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