Dinuclear half-sandwich complexes [TiCl3(η5-C5Me4)}2SiMe2] (2) and [TiCl3(η5-C5Me4SiMe2CH2)}2] (4) were prepared by synproportionation of ansa-titanocene dichlorides [TiCl2(η5-C5Me4)2SiMe2}] (1) and [TiCl2(η5-C5Me4SiMe2CH2)2] (3), respectively, with TiCl4. Compound 3 was synthesized from 1,2-bis(chlorodimethylsilyl)ethane, 1,2,3,4-tetramethylcyclopentadienyllithium, and [TiCl3(thf)3] by a common procedure. Crystal structures of 2, 3, and 4 were determined by X-ray diffraction analysis.
双核半夹心配合物[TiCl3(η5-C5Me4)}2SiMe2](2)和[TiCl3(η5-C5Me4SiMe2CH2)}2](4)通过与TiCl4的同比例合成法制备,分别使用
-钛茂二氯化物[TiCl2(η5-C5Me4)2SiMe2}](1)和[TiCl2(η5-C5Me4SiMe2CH2)2](3)。化合物3是通过常规程序从1,2-双(氯二甲基硅基)乙烷,1,2,3,4-四甲基环戊二烯锂和[TiCl3(thf)3]合成的。使用X射线衍射分析确定了化合物2、3和4的晶体结构。