Synthesis, molecular structures, and properties of heterometallic cobalt tetramethylcyclobutadiene complexes (C4Me4)Co(CO)2TePh, (C4Me4)Co(CO)2TePh[W(CO)5], and Me4C4Co(μ3-S)2Cr2Cp2(μ-SC4H9)

被引：4
|
作者：
Pasynskii, A. A. [1 ]
Skabitskii, I. V. [1 ]
Shapovalov, S. S. [1 ]
Galustyan, A. R. [1 ]
Torubaev, Yu. V. [1 ]
Dobrokhotova, Zh. V. [1 ]
Grinberg, V. A. [2 ]
Mutseneck, E. V. [3 ]
Kudinov, A. R. [3 ]
机构：
[1] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia
[2] Russian Acad Sci, AN Frumkin Inst Phys Chem & Electrochem, Moscow 119991, Russia
[3] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
来源：
RUSSIAN CHEMICAL BULLETIN | 2007年 / 56卷 / 09期
基金：
俄罗斯基础研究基金会;
关键词：
heterometallic complexes; X-ray diffraction study; cyclopentadienyl complexes; cyclobutadiene complexes; metal carbonyls; metal chalcogenides; tungsten; cobalt; chromium; electrochemistry; thermolysis;
D O I：
10.1007/s11172-007-0268-9
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The reaction of Cb*Co(CO)(2)I (1) (Cb* is tetramethylcyclobutadiene) with sodium phenyltelluride afforded the mononuclesar complex Cb*Co(CO)(2)TePh (2). The reaction of the latter with W(CO)(5)(THF) produced the Cb*Co(CO)(2)TePh[W(CO)(5)] compound (4). The reaction of 1 with the Cp2Cr2(SCMe3)(2)S complex gave the heterometallic cluster Cb*Co(mu(3)-S)(2)Cr(2)Cp2 (mu-SCMe3) (5). Complexes 2, 4, and 5 are diamagnetic. Their structures were determined by X-ray diffraction. Complex 2 contains the Co-Te bond (2.585(1) angstrom); complex 4, the Co-Te (2.558(8) angstrom) and W-Te (2.8467(6) angstrom) bonds. Complex 5 has the stable triangular sulfide-and tert-butylmercaptide-bridged core Cr2Co (Cr-Cr and Cr-Co bond lengths are 2.626(2) and 2.673(2) angstrom, respectively) with Cp ligands at the chromium atoms and a Cb* ligand at the cobalt atom. Complex 5 was characterized by cyclic voltammetry. The thermolysis of complex 4 was studied.
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收藏
页码：1731 / 1735
页数：5
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