PREPARATION AND REACTIONS OF SULFIDO AND PERSULFIDO COMPLEXES OF (PENTAMETHYLCYCLOPENTADIENYL)TUNGSTEN

被引:24
作者
FALLER, JW
KUCHARCZYK, RR
MA, YN
机构
[1] Department of Chemistry, Yale University, New Haven
关键词
D O I
10.1021/ic00334a015
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Boron sulfide and hydrogen sulfide react with tungsten-oxo compounds to yield (?5-C5Me5)W(=S)2R (1a, R = Me; 1b, R = CH2SiMe3), (?5-C5Me5)W(=S)(?2-S2)Me (2a), and (?5-C5Me5)W(=O)(?2-S2)Me (3). Thiophiles such as PPh3and CN-readily abstract sulfur from the persulfido complexes 2a and 3; however, the sulfido ligands of 1a and 1b are inert to abstraction under similar conditions. In the presence of oxidizing agents, 1a undergoes intermolecular transfer of sulfur, giving 2a and (?5-C5Me5)W(=O)(=S)Me. Compound 1b crystallizes in the monoclinic space group P21/c with a = 10.967 (2) Å, b = 9.323 (1) Å, c = 18.092 (3) Å, V = 1843.8 Å3, and Z = 4. Anisotropic refinement of all non-hydrogen atoms and inclusion of hydrogen atoms at calculated positions converged to the residuals R1, = 0.027 and R2= 0.035. © 1990, American Chemical Society. All rights reserved.
引用
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页码:1662 / 1667
页数:6
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