NUCLEAR-MAGNETIC-RESONANCE STUDIES OF BERYLLIUM COMPLEXES IN AQUEOUS-SOLUTION

被引：20

作者：

EVANS, DF ^{[1
]}

WONG, CY ^{[1
]}

机构：

[1] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,EVANS LAB,DEPT CHEM,LONDON SW7 2AY,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1992年 / 13期

关键词：

D O I：

10.1039/dt9920002009

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Quantitative data for the equilibria [Be(H2O)4]2+ + xH(y)L half arrow right over half arrow left BeL(y), where x and y = 1 or 2, HL = 3-hydroxy-2-methylpyridin-4-one, 3-hydroxy-1,2-dimethylpyridin-4-one or 1-ethyl-3-hydroxy-2-methylpyridin-4-one and H2L=chromotropic acid (4,5-dihydroxynaphthalene-2,7-disulfonic acid), tiron (4,5-dihydroxybenzene-1,3-disulfonic acid), 5-sulfosalicylic acid, 5-nitrosalicylic acid or 3,5-dinitrosalicylic acid have been obtained by H-1 and Be-9 NMR spectroscopy. The shielding effects of the Be-9 nucleus were found to be in accord with the number of ligands and the chelate ring size.

引用

页码：2009 / 2012

页数：4

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