MONONUCLEAR BARIUM AND DINUCLEAR COPPER(II) COMPLEXES OF A 24-MEMBERED BIBRACCHIAL TETRAIMINE SCHIFF-BASE MACROCYCLE DERIVED FROM N,N-BIS(2-AMINOETHYL)-2-METHOXYETHYLAMINE

被引：22

作者：

BAILEY, NA

FENTON, DE

HELLIER, PC

HEMPSTEAD, PD

CASELLATO, U

VIGATO, PA

机构：

[1] UNIV SHEFFIELD,DEPT CHEM,SHEFFIELD S3 7RH,S YORKSHIRE,ENGLAND

[2] CNR,IST CHIM & TECNOL RADIOELEMENTI,I-35100 PADUA,ITALY

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1992年 / 19期

关键词：

D O I：

10.1039/dt9920002809

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The X-ray structure of a mononuclear barium complex of the bibracchial tetraimine Schiff-base macrocycle derived from the cyclocondensation of 2,6-diacetylpyridine and NN-bis(2-aminoethyl)-2-methoxyethylamine [monoclinic, space group P2/n (no. 13), a = 27.494(20), b = 14.120(13), c = 21.024(14) angstrom, beta = 91.68(57)-degrees, Z = 8] confirms that the macrocycle folds to present a molecular cleft within which the metal is co-ordinated. Transmetallation with Cu(II) gives a homodinuclear copper(II) complex the crystal structure of which [monoclinic, space group P2(1)/c, a = 14.807(6), b = 9.558(4), c = 17.432(8) angstrom, beta = 113.89(5)-degrees, Z = 2] shows that the copper(II) atoms are held by the 'head' units of the macrocycle, an opening of the cleft having occurred.

引用

页码：2809 / 2816

页数：8

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