Heteroleptic polypyrazolylborate complexes of the lanthanides: Syntheses and molecular structures of [Nd{HB(pz)(3)}(2)Cl(H2O)] (HB(pz)(3)=hydrotris(pyrazol-1-yl)borate) and [Nd{HB(pz)(3)}LCl2] (HB(pz)(3)=hydrotris(3,5-dimethylpyrazol-1-yl)borate; L=4,4'-di-tert-butyl-2,2'-bipyridine)

被引：0

作者：

Sun, CD ^{[1
]}

Wong, WT ^{[1
]}

机构：

[1] UNIV HONG KONG,DEPT CHEM,HONG KONG,HONG KONG

来源：

INORGANICA CHIMICA ACTA | 1997年 / 255卷 / 02期

关键词：

crystal structures; lanthanide complexes; heteroleptic polypyrazolylborate complexes;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The new heteroleptic hydrotris(pyrazol-1-yl)borate lanthanide complex [Nd{HB(pz)(3)}(2)Cl] (1) was prepared from the reaction between anhydrous NdCl3 and 2 equiv. of K[HB(pz)(3)] in THF at room temperature. The H2O adduct of 1, [Nd{HB(pz)(3)}(2)Cl(H2O)]. THF (2), is formed when a solution of 1 is allowed to stand al room temperature in the presence of moisture. Reaction of K[HB(pz*)(3)] with anhydrous NdCl3 in the presence of 4,4'-di-tert-butyl-2,2'-bipyridine (L) yields [Nd{HB(Pz*)(3)}LCl2] (3) in moderate yield. All complexes have been characterized by conventional spectroscopic methods. The molecular structures of 2 and 3 have been determined by X-ray crystallography.

引用

页码：355 / 360

页数：6

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Heteroleptic polypyrazolylborate complexes of the lanthanides: Syntheses and molecular structures of [Nd{HB(pz)(3)}(2)Cl(H2O)] (HB(pz)(3)=hydrotris(pyrazol-1-yl)borate) and [Nd{HB(pz*)(3)}LCl2] (HB(pz*)(3)=hydrotris(3,5-dimethylpyrazol-1-yl)borate; L=4,4'-di-tert-butyl-2,2'-bipyridine)

Heteroleptic polypyrazolylborate complexes of the lanthanides: Syntheses and molecular structures of [Nd{HB(pz)(3)}(2)Cl(H2O)] (HB(pz)(3)=hydrotris(pyrazol-1-yl)borate) and [Nd{HB(pz)(3)}LCl2] (HB(pz)(3)=hydrotris(3,5-dimethylpyrazol-1-yl)borate; L=4,4'-di-tert-butyl-2,2'-bipyridine)