Group 4 metallocene complexes of disilenes, digermenes, and a silagermene

被引：0
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作者：
Zirngast, Michaela [1 ]
Flock, Michaela [1 ]
Baumgartner, Judith [1 ]
Marschner, Christoph [1 ]
机构：
[1] Institut für Anorganische Chemie, Technische Universität Graz, Stremayrgasse 16, A-8010 Graz, Austria
来源：
Journal of the American Chemical Society | 2009年 / 131卷 / 43期
关键词：
Reactions of 1,2-dipotassiotetrakis(trimethylsilyl)disilane with group 4 metallocene dichlorides lead to the formation of the respective metallocene 1,1,2,2-tetrakis(trimethylsilyl)disilene complexes. While the disilene titanocene complex could be structurally characterized, the zirconocene and hafnocene compounds, which are believed to possess some degree of bis-[bis(trimethylsilyl)silylene] character, can only be isolated in substance as the respective trimethylphosphane adducts. Analogous metallocene 1,1,2,2-tetrakis(trimethylsilyl)digermene complexes and a tetrakis(trimethylsilyl)silagermene complex were prepared. Instead of metallocene 1,1,2,2-tetrakis(trimethylsilyl)distannene complexes, four-membered rings composed of a metallocene and three bis(trimethylsilyl)stannylene units were obtained. © 2009 American Chemical Society;
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页码：15952 / 15962
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