Triruthenium and triosmium carbonyl cluster complexes containing deprotonated di(2-pyridyl)amine in unusual coordination modes

被引：32

作者：

Cabeza, JA ^{[1
]}

del Río, I

García-Granda, S

Riera, V

Suárez, M

机构：

[1] Univ Oviedo, Inst Quim Organomet Enrique Moles, E-33071 Oviedo, Spain

[2] Univ Oviedo, Dept Quim Fis & Analit, E-33071 Oviedo, Spain

来源：

ORGANOMETALLICS | 2002年 / 21卷 / 12期

关键词：

D O I：

10.1021/om020073m

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis of the first trinuclear carbonyl clusters containing ligands derived from di(2-pyridyl)amine (Hdpa) has been achieved. Treatment of [Ru3-(CO)12] or [Ru3(CO)10(MeCN)2] with di(2-pyridyl)amine (Hdpa) gives the cluster complex [Ru3(μ-H)(μ-η3-dpa-C,N,N)(CO)9] (1). The dpa ligand in this compound chelates a Ru atom through both pyridinic nitrogens while attached to another Ru atom through the C atom of a metalated pyridine ring, keeping the amino NH fragment uncoordinated. Curiously, the osmium compounds [Os3(μ-H)(μ-η2-dpa-N,N)(CO)10] (2) and [Os3(μ-H)(μ3-η2-dpa-N,N)(CO)9 ] (3), which have been stepwise prepared from [Os3(CO)10(MeCN)2] and Hdpa, contain edge-bridging (2) and face-capping (3) N-deprotonated dpa ligands coordinated through the N atom of a pyridine ring and the N atom of the original amino fragment.

引用

页码：2540 / 2543

页数：4

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