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学科主题: 金属有机化学
题名: Homolysis of the Ln-N bond: Synthesis, characterization and catalytic activity of organolanthanide(II) complexes with furfuryl- and tetrahydrofurfuryl-functionalized indenyl ligands polymerization
其他题名: 键的均裂:含呋喃环或四氢呋喃环茚基配体的二价有机稀土化合物的合成,表征和催化活性
作者: Wu YY(吴勇勇) ; Wang SW(王绍武) ; Qian ZT(钱长涛) ; Sheng EH(盛恩宏) ; Xie MH(谢美华) ; Feng QQ(冯启清) ; Zhang LJ(张力军) ; Tang XL(唐心亮)
通讯作者: 王绍武 ; 钱长涛
刊名: J. Organomet. Chem.
发表日期: 2005-01-01
卷: 690, 期:18, 页:4139-4149
收录类别: SCI
部门归属: 安徽师范大学化学与材料学院有机化学研究所; 中科院上海有机所金属有机化学国家重点实验室
英文摘要: A series of new organolanthanide(II) complexes with furfuryl- and tetrahydrofurfuryl-functionalized indenyl ligands were synthesized via one-electron reductive elimination reaction. Treatments of [(Me3Si)(2)N](3)Ln(III) (mu-Cl)Li(THF)(3) (Ln = Yb, Eu) with 2 equiv. of C4H7OCH2C9H7 (1) or C4H3OCH2C9H7 (2), respectively in toluene at moderate high temperatures produced, after workup, the corresponding organolanthanide(II) complexes with formula [eta(5):eta(1)-(C4H7OCH2C9H6)](2)Ln(II) (Ln = Yb (5), Ln = Eu (6)) and [eta(5):eta(1)-(C4H3OCH2C9H6)](2)Ln(II) (Ln = Yb (7), Ln = Eu (8)) in reasonable to good yields. Treatments of [(Me3Si)(2)N](3)-Ln(III) (mu-Cl)Li(THF)(3) (Ln = Yb, Eu) with 2 equiv. Of C4H7OCH2C9H6SiMe3 (3) or C4H3OCH2C9H6SiMe3 (4), respectively, in toluene at moderate high temperatures afforded, after workup, the corresponding organolanthanide(II) complexes with formula [eta(5):eta(1)-(C4H7OCH2C9H5SiMe3)](2)L-II (Ln = Yb (9), Ln = Eu (10)) and [eta(5):eta(1)-(C4H3OCH2C9H5SiMe3)](2)Ln(II) (Ln=Yb (11), Ln = Eu (12)) in good to high yields. All the compounds were fully characterized by spectroscopic methods and elemental analyses. The structure of complex 9 was additionally determined by single-crystal X-ray analyses. Studies on the catalytic activities of complexes showed that the complexes having silyl group functionalized indenyl ligands have high catalytic activities on E-caprolactone polymerization. The temperatures, substituted groups on the indenyl ligands of the complexes, and solvents effects on the catalytic activities of the complexes were examined. (c) 2005 Elsevier B.V. All rights reserved.
语种: 英语
相关网址: 查看原文
内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/15277
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:
Wu YY,Wang SW,Qian ZT,et al. Homolysis of the Ln-N bond: Synthesis, characterization and catalytic activity of organolanthanide(II) complexes with furfuryl- and tetrahydrofurfuryl-functionalized indenyl ligands polymerization[J]. J. Organomet. Chem.,2005,690(18):4139-4149.
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