Formation of oligomeric lanthanide complexes with new tripodal poly(imino carboxylate) ligands

被引：22

作者：

Blake, AJ ^{[1
]}

Doble, DMJ ^{[1
]}

Li, WS ^{[1
]}

Schroder, M ^{[1
]}

机构：

[1] UNIV NOTTINGHAM,DEPT CHEM,NOTTINGHAM NG7 2RD,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1997年 / 20期

关键词：

D O I：

10.1039/a706000i

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of hydrated lanthanide(III) chloride (LnCl(3) . 6H(2)O) with tris-(2-aminoethyl)amine and the sodium salt of an alpha-ketocarboxylic acid afforded the trinuclear species [(LnL)(2)Na](+) which, on removal of Na+, aggregate further in MeOH to yield the neutral eight-co-ordinate cyclic tetranuclear species [Ln(4)(L-1)(4)] (Ln = Yb-III or Y-III), and the linear polymer [Y-2(L-2)(2)-(MeOH)](infinity) with alternating eight-and nine-co-ordinate Y-III centres: recrystallisation of adducts of [L-1](3-) from H2O affords the nine-co-ordinate mononuclear species [Ln(L-1)(OH2)(2)] (Ln = Sm-III or Gd-III).

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页码：3655 / 3657

页数：3

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