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学科主题: 金属有机化学
题名: Selective synthesis, structure, and catalytic behavior of meso-divalent 1,1 '-(3-oxapentamethylene)-bridged bis(indenyl)lanthanidocenes
其他题名: 二价外消旋1, 1-(3-氧杂戊烷)桥联双茚基稀土有机化合物的选择性合成、结构与催化性能
作者: Qian ZT(钱长涛) ; Zou G(邹刚) ; Jiang WH(姜卫华) ; Chen YF(陈耀峰) ; Sun J(孙杰) ; Li N(李楠)
通讯作者: 钱长涛
刊名: Organometallics
发表日期: 2004
卷: 23, 期:21, 页:4980-4986
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实验室; 华东师范大学
英文摘要: Mesomeric divalent 1,1'-(3-oxapentamethylene)-bridged bis(indenyl)lanthanidocenes, meso-[O(CH2CH2C9H6)(2)]Ln(.)(DME) (Ln = Sm (2),Yb (3)), have been synthesized by reduction of a mixture of rac/meso-[O(CH2CH2C9H6)(2)]LnCl(.)THF (Ln = Sm, Yb) with Na or reaction of LnI(2) (Ln = Sm, Yb) with [O(CH2CH2C9H6K)(2)] in THF followed by recrystallization in DME. The structures of these meso, ansa-lanthanidocenes were determined by X-ray diffraction analysis. The factors that dictated the rac/meso selectivity are discussed. Nonbridged divalent lanthanide complexes (CH3OCH2CH2C9H6)(2)Ln(II) (Ln = Sm (4), Yb (5)) were also synthesized for comparison by the reaction of LnI(2) (Ln = Sm, Yb) with (CH3OCH2CH2C9H6)(2)K in THE Stereoselective polymerization of methyl methacrylate with these divalent lanthanide complexes as single-component catalysts was preliminarily investigated.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000224348900027
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/15273
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,Zou G,Jiang WH,et al. Selective synthesis, structure, and catalytic behavior of meso-divalent 1,1 '-(3-oxapentamethylene)-bridged bis(indenyl)lanthanidocenes[J]. Organometallics,2004,23(21):4980-4986.
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