Transition-metal-saccharide chemistry: Synthesis and characterisation of D-galactose, D-fructose, D-glucose, D-xylose, D-ribose, and maltose complexes of Mn(II)

被引：27

作者：

Bandwar, RP ^{[1
]}

Rao, CP ^{[1
]}

机构：

[1] INDIAN INST TECHNOL, DEPT CHEM, BIOINORGAN LAB, BOMBAY 400076, MAHARASHTRA, INDIA

来源：

CARBOHYDRATE RESEARCH | 1996年 / 287卷 / 02期

关键词：

Mn(II) complexes; monosaccharide-Mn(II) complexes; maltose-Mn(II) complex;

D O I：

10.1016/0008-6215(96)00074-2

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Monosaccharide (D-Gal, D-Fru, D-Glc, D-Xyl, D-Rib) and disaccharide (D-Mal) complexes of Mn(II) were synthesised from non-aqueous solutions using [NEt(4)](2)[MnCl2Br2] and MnCl2 . 4H(2)O. The isolated and purified complexes were characterised by diffuse reflectance, FTIR, EPR, DTA, TGA, magnetic susceptibility, and cyclic voltammetry techniques. Synthesis from [NEt(4)](2)[MnCl2Br2] yielded dimeric complexes 1-3 and 9, and from MnCl2 . 4H(2)O it yielded trimeric complexes 4-8. These water-soluble complexes were found to be anionic with a Mn-to-saccharide ratio of 1:1 for monosaccharide complexes 1-8 and 2:1 for disaccharide complex 9. The complexes were found to be hydrolytically stable in solution at higher concentrations (greater than or equal to 4 mM), as studied by cyclic voltammetry. (C) 1996 Elsevier Science Ltd.

引用

页码：157 / 168

页数：12

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