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学科主题: 金属有机化学
题名: Cs-symmetric ansa-lanthanocenes designed for stereospecific polymerization of metyl methacrylate. Synthesis and structural characterization of silylene-bridged fluorenyl cyclopentadienyl lanthanide halides, amides, and hydrocarbyls
其他题名: 为甲基丙烯甲酯立体专一聚合而设计的Cs对称桥联茂稀土化合物硅桥联易基唤戊二烯基卤化物, 胺基化合物和烷基化合物的合成和结构测定
作者: Qian ZT(钱长涛) ; Nie WL(聂万丽) ; Sun J(孙杰)
通讯作者: 钱长涛
刊名: Organometallics
发表日期: 2000-01-01
卷: 19, 期:20, 页:4134-4140
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所金属有机化学开放实验室
英文摘要: A series of new Cs-symmetric organoianthanocene chlorides, [R^2Si(Flu) (R’Cp)Ln (u-Cl))^2 (Flu = C13H^8, fluorenyl: Cp = C^5H^3) (R = Me, R' = H, Ln = Y (1), Lu (2), Dy (3), Er (4); R = Ph, R' = t~Bu, Ln = Y (5). Dy (6)), has been synthesized by the reaction of anhydrous lanthanlde chloride with the dilithium salt of the ligand Me^2Si(FluH)(CpH). Treatment of the resulting chlorides with ME(TMS)^2 (M = Li or K, E = N, CH) gave the amide and hydrocarbyl derivatives Me^2Si(Flu)(Cp)LnE(TMS)^2 (E = N, Ln = Dy (7), Er (9); E = CH, Ln = Dy (8), Er (10)). X-ray structures of chloride compounds reveal unusual Cp SiMe^2 Cp bridging dlmeric coordination. All of the amide and hydrocarbyl complexes show normal chelating structure and exhibit apparently intramolecular γ-agostic Ln Me Si Interaction. These complexes are active for the polymerization of methyl methacrylate.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/15209
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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Recommended Citation:
Qian ZT,Nie WL,Sun J. Cs-symmetric ansa-lanthanocenes designed for stereospecific polymerization of metyl methacrylate. Synthesis and structural characterization of silylene-bridged fluorenyl cyclopentadienyl lanthanide halides, amides, and hydrocarbyls[J]. Organometallics,2000,19(20):4134-4140.
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