the presence of monomeric species in solution. Chloro hydrido complexes of yttrium, [Y(η5:η1-C5Me4SiMe2NCMe2R)(THF)}2(μ-H)(μ-Cl)], were formed by scrambling the chloro complex with the hydrido complex for 3 h. The dimeric chloro complexes [Y(η5:η1-C5Me4SiMe2NCMe2R)(THF)(μ-Cl)]2 could be synthesized by reacting in situ formed “Y(CH2SiMe3)2Cl(THF)n” with the amino−cyclopentadiene (C5Me4H)SiMe2NHCMe2R
镥,
镱和
钇含有联酰
氨基-
环戊二烯基配位体的二聚氢基络合物,[LN(η 5:η 1 -C 5我4森达2 NCMe 2 R)(L)(μ-H)] 2(LN =合成并通过元素分析和1 H,13 C 29 Si和31 P NMR光谱对Lu,Yb,Y; R = Me,Et; L = THF,PMe 3进行合成和表征。的[
镱(A单晶X射线衍射研究η 5:η 1 -C 5我4森达2 NCMe 2与相关的
钇配合物类似,Et)(THF)(μ-H)] 2显示具有辅助
配体的反式构型的同手性二聚体结构。所述PME 3个
镥和
钇的加合物[LN(η 5:η 1 -C 5我4森达2 NCMe 3)(PME 3)(μ-H)] 2(LN =路,Y)是在低的产率制备由用大量过量的PMe 3代替THF。确定了它们的晶体结构,并揭示了与先前由Bercaw等人描述的the类似物同型的连接的酰胺基-
环戊二烯基
配体的类
固醇构型。在NMR时