Cleavage of Ge-S and C-H bonds in the reaction of electron-deficient [Os3(CO)8(μ-H)(μ3-Ph2PCH2P(Ph)C6H4)] with Ph3GeSPh: Generation of thiophenol derivatives [Os3(CO)8(μ-H)(μ-SPh)(μ-dppm)] and [Os3(CO)7(μ-H)(μ-SPh)(μ3-SC6H4)(μ-dppm)]

被引：12

作者：

Raha, Arun K. ^{[1
]}

Ghosh, Shishir ^{[1
]}

Kabir, Shariff E. ^{[1
]}

Nicholson, Brian K. ^{[2
]}

Tocher, Derek A. ^{[3
]}

机构：

[1] Jahangirnagar Univ, Dept Chem, Dhaka 1342, Bangladesh

[2] Univ Waikato, Dept Chem, Hamilton, New Zealand

[3] UCL, Dept Chem, London WC1H 0AJ, England

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2009年 / 694卷 / 05期

关键词：

Triosmium clusters; Bond cleavage (Ge-S; C-H); Thiophenol; Dppm; X-ray structures; X-RAY STRUCTURES; TRIOSMIUM CLUSTER (MU-H)OS-3(CO)(8)(PH2PCH2P(PH)C6H4); OSMIUM CARBONYL CLUSTERS; CRYSTAL-STRUCTURES; LIGANDS; COMPLEXES; OS-3(CO)(10)(MU-DPPM); PH2PCH2PPH2; HYDRIDO;

D O I：

10.1016/j.jorganchem.2008.12.005

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Heating the electron-deficient [Os-3(CO)(8)(mu-H)(mu(3)-Ph2PCH2P(Ph)C6H4)] (1) and Ph3GeSPh in benzene at 80 degrees C led to the thiolato bridged compounds, [Os-3(CO)(8)(mu-H)(mu-SPh)(mu-dppm)] (2) and [Os-3(CO)(7)(mu-H)(mu-SPh)(mu(3)-SC6H4)(mu-dppm)] (3), formed by cleavage of Ge-S and C-S bonds of the ligand, in 40% and 17% yields, respectively. Both compounds 2 and 3 have been characterized by a combination of elemental analysis, infrared and H-1 NMR spectroscopic data together with single crystal X-ray crystallography. Compound 3 contains an open triangle of osmium atoms bridged by a SPh and SC6H4 ligands on opposite sides of the cluster with a dppm ligand bridging one of the Os-Os edges. Compound 2 consists of a closed triangular cluster of osmium atoms with a bridging SPh, and a bridging hydride ligand on the same Os-Os edge, and a dppm ligand bridging one of the remaining Os-Os edges. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：752 / 756

页数：5

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