DIPHENYLPHOSPHINE AND DIPHENYLPHOSPHIDO DERIVATIVES OF [RU3(MU-H)(MU-3-AMPY)(CO)9] (HAMPY=2-AMINO-6-METHYLPYRIDINE)

被引：11

作者：

ANDREU, PL ^{[1
]}

CABEZA, JA ^{[1
]}

RIERA, V ^{[1
]}

机构：

[1] UNIV OVIEDO,FAC QUIM,DEPT QUIM ORGANOMET,E-33071 OVIEDO,SPAIN

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1990年 / 393卷 / 02期

关键词：

D O I：

10.1016/0022-328X(90)80208-H

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reactions of [Ru3(μ-H)(μ-ampy)(CO)9] (1) (Hampy = 2-amino-6-methylpyridine) with one or two equivalents of PPh2H lead to the complexes [Ru3(μ-H)(μ3-ampy)(CO)8(PPh2H)] (2) or [Ru3(μ-H)(μ3-ampy)(CO)7(PPh2H)2] (3), in which the PPh2H ligands are cis to the bridging NH fragment and cis to the hydride. Complex 2 can be transformed in refluxing THF into the phosphido-bridged derivative [Ru3(μ3-ampy)(μ-PPh2)(μ-CO)2(CO)6] (4), which contains the PPh2 ligand spanning one of the two RuRu edges unbridged by the amido moiety, and presents an extremely high 31P chemical shift of 386.9 ppm. Under similar conditions, complex 3 gives a mixture of two isomers of [Ru3(μ-H)(μ3-ampy)(μ-PPh2)2(CO)6] in a 5:1 ratio; the major product (5) has a plane of symmetry, whereas the minor one (6) is asymmetric. © 1990.

引用

页码：C30 / C33

页数：4

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