Synthesis, characterization and structural diversity of lanthanide chlorides supported by the β-diketiminate ligand [{(2,6-Me2C6H3)NC(Me)}2CH]-

被引：29
|
作者：
Zhang, ZQ
Yao, YM [1 ]
Zhang, Y
Shen, Q
Wong, WT
机构：
[1] Suzhou Univ, Dept Chem & Chem Engn, Key Lab Organ Synth, Suzhou 215006, Peoples R China
[2] Univ Hong Kong, Dept Chem, Hong Kong, Hong Kong, Peoples R China
来源：
INORGANICA CHIMICA ACTA | 2004年 / 357卷 / 11期
基金：
中国国家自然科学基金;
关键词：
lanthanide complexes; beta-diketiminate ligand; synthesis; crystal structure;
D O I：
10.1016/j.ica.2004.03.022
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reactions of the beta-diketiminate lithium salt (LLi)-Li-2 [L-2 = {(2,6-Me2C6H3)NC(Me)}(2)CH] with anhydrous LnCl(3) (Ln = Yb, Sm, Nd) in 1:1 molar ratio in THF afforded the new beta-diketiminate lanthanide complexes L(2)LnCl(THF)(mu-Cl)(2)Li(THF)(2) (Ln = Yb (1), Sm (2), Nd (3)). Recrystallization of complexes 1-3 from toluene gave the neutral complexes L(2)LnCl(2)(THF)(2) (Ln = Yb (4), Sm (5), Nd (6)). Recrystallization of complexes 4 and 5 in hot toluene for two times gave the dinuclear complexes L(2)ClLn(mu-Cl)(3)LnL(2)(THF) (Ln = Yb (7), Sm (8)). Treatment of the mother liquor of complex 2 in hot toluene for three times gave the novel trinuclear complex (LSMCl)-S-2(mu-Cl)(3)SmL2 (mu-Cl)Li((LH)-H-2)(THF) (9). Each of these complexes was well characterized, while complexes 3, 7 and 9 have been characterized by X-ray diffraction structure determination. (C) 2004 Elsevier B.V. All rights reserved.
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收藏
页码：3173 / 3180
页数：8
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