Selective binding of group IIIA and lanthanide metals by hexahomotrioxacalix[3]arene macrocycles

被引：36

作者：

Daitch, CE

Hampton, PD

Duesler, EN

Alam, TM

机构：

[1] UNIV NEW MEXICO,DEPT CHEM,ALBUQUERQUE,NM 87131

[2] SANDIA NATL LABS,MAT AGING & RELIABIL BULK PROD,ALBUQUERQUE,NM 87185

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1996年 / 118卷 / 33期

关键词：

D O I：

10.1021/ja9605984

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The hexahomotrioxacalix[3]arene macrocycles 1 are observed to bind trivalent metals (Sc3+, Lu3+,Y3+, La3+) more strongly than alkali metal ions (Li+, Na+, K+). Complexes of macrocycle la with Lu(III) (3), Y(III) (4), and La(III) (5) have been structurally characterized to be mu-aryloxo-bridged dimers with the formula [M(L)(DMSO)](2) (M = Lu, Y, La; L = trianion of macrocycle 1a). Periodic trends in the structures and dynamic behavior of the complexes are discussed.

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页码：7769 / 7773

页数：5

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