PYRIDINOPHANE CRYPTAND HOSTS WITH DICOPPER(I) OR DICOPPER(II) PREFERENCES

被引：37

作者：

MARRS, DJ

MCKEE, V

NELSON, J

LU, Q

HARDING, CJ

机构：

[1] QUEENS UNIV BELFAST,DEPT CHEM,BELFAST BT9 5AG,ANTRIM,NORTH IRELAND

[2] OPEN UNIV,40 UNIV RD,BELFAST BT7 1SU,NORTH IRELAND

来源：

INORGANICA CHIMICA ACTA | 1993年 / 211卷 / 02期

关键词：

D O I：

10.1016/S0020-1693(00)85602-9

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A hexaimino pyridinophane cryptand, L4 derived by [2 + 3] Schiff base condensation of tris-2-ethylamino amine (tren) with diformylpyridine fails to host Cu(II) but accommodates dicopper(I) with reasonable oxidative stability; the octaamino derivative, L5, functions as a good host for dicopper(II). A single crystal X-ray structure determination was carried out on [Cu2L4](ClO4)2CH2Cl2, monoclinic, unit cell dimensions, a = 27.256(8), b = 10.970(3), c = 18.941(6) angstrom, beta = 128.37(3)-degrees, U = 4440(2) angstrom3. Each Cu(I) ion is coordinated to three imino donors and shows weaker interactions with other donors. The Cu(I)-Cu(I) distance is 3.038 angstrom.

引用

页码：195 / 202

页数：8

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