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etongtong 发表于 2008-8-19 11:26

Elsevier :Inorganica Chimica Acta--Coordination chemistry of group 4 metal compounds with mixed-ligand, silyl-linked bis(amidinate) ligand and cyclopentadienyl

Title: [size=1][color=red]Coordination chemistry of group 4 metal compounds with mixed-ligand, silyl-linked bis(amidinate) ligand and cyclopentadienyl [/color][/size]

Authors:Sheng-Di Bai, Hong-Bo Tong, Jian-Ping Guo, Mei-Su Zhou, Dian-Sheng Liu

Web Release Date: 7 June 2008

DOI: 10.1016/j.ica.2008.05.038

Abstract:The synthesis and characterization of a class of group 4 metal derivatives based on the silyl-linked bis(amidinate) ligands [SiMe2{NC(Ph)N(2,6-R2Ph)Li}2] [L1 (R = H) and L2 (R = Me)] are described. The metal salts coordinated with cyclopentadienyl were used in order to increase the steric hindrance and lower the Lewis acidity of metal centers, which could prevent the N-ligands from rearranging. The tetradentate ligands L1 and L2 reacted with TiCl2(C5H5)2 to give compounds 1 and 2 in tridentate and bidentate bonding modes, respectively. Treatment of the ligand L1 with ZrCl3(C5H5) produced the half-sandwich zirconium complex 3. Reactions of the ligands with ZrCl2(C5H5)2 afforded zirconium compounds 4 and 5, demonstrating the same geometry as 1. Comparing these analogous molecular structures, it suggests that the coordination modes of the N-ligands are variable according to the properties of the metal centers as well as the bulky hindrance of the terminal groups on the seven-membered N–C–N–Si–N–C–N backbone.

Link: [url=http://www.science-direct.com/science?_ob=ArticleURL&_udi=B6TG5-4SPC0T7-4&_user=1999506&_coverDate=06%2F07%2F2008&_rdoc=67&_fmt=high&_orig=browse&_srch=doc-info(%23toc%235245%239999%23999999999%2399999%23FLA%23display%23Articles)&_cdi=5245&_sort=d&_docanchor=&view=c&_ct=305&_version=1&_urlVersion=0&_userid=1999506&md5=afffb72e5b6bde10b94988f7232014e4]http://www.science-direct.com/sc ... e10b94988f7232014e4[/url]
Remarks: 第二作者

[[i] 本帖最后由 sally208 于 2008-8-19 15:21 编辑 [/i]]

asymmsyn 发表于 2008-8-19 13:19

恭喜楼主！

sally208 发表于 2008-8-19 15:16

Congratulations! :)

whoknowme 发表于 2008-8-21 23:22

祝贺！

etongtong 发表于 2008-8-22 10:36

我好辛苦,请斑竹删贴,原因是都加了分,我没有.太:(

Metalcarbene 发表于 2008-8-24 15:29

回复 5# etongtong 的帖子

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欢迎有空常来.:P

zjniu 发表于 2008-8-25 01:05

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wang 发表于 2008-8-25 13:04

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如日中天 发表于 2008-8-25 15:35

恭喜:lol

rhzhang 发表于 2008-8-26 07:34

恭喜

churen 发表于 2008-8-28 06:58

回复 1# etongtong 的帖子

good job

chemldang 发表于 2008-8-29 09:29

回复 1# etongtong 的帖子

CONGRALATION

cc136520 发表于 2008-8-29 09:31

祝贺

yeqs1 发表于 2008-8-30 12:20

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:lol

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