On the basics of carbohydrate-metal chemistry:: complexes of palladium(II) with hydroxyaldehyde and -ketone hydrates

被引：13

作者：

Allscher, Thorsten ^{[1
]}

Kluefers, Peter ^{[1
]}

Labisch, Oliver ^{[1
]}

机构：

[1] Univ Munich, Dept Chem & Biochem, D-81377 Munich, Germany

来源：

CARBOHYDRATE RESEARCH | 2007年 / 342卷 / 11期

关键词：

carbohydrates; bioinorganic chemistry; coordination chemistry; transition metals; ACYCLIC FORMS; GLYCOLALDEHYDE; SPECTROSCOPY; QUANTITATION; ERYTHROSE; NMR;

D O I：

10.1016/j.carres.2007.04.025

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：

In this work, we present novel complexes of hydroxyaldehydes and ketones with palladium(II). The compounds are studied by two-dimensional NMR spectroscopy in solution (COSY, HMQC, HMBC). Glycolaldehyde, D-glyceraldehyde, glyoxal and 2,4-O-ethylidene-D-erythrose were used as aldehydes, D-erythrulose was used as an alpha-hydroxyketone. Although different species are present in solution, only the hydrated forms of the aldehydes can coordinate to the metal centre. These complexes are stable at 4 degrees C in aqueous solution. The crystal structure of a complex formed by mesoxalic acid and palladium(II) is reported and shows coordination by both hydroxy groups of the hydrated ketone. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1419 / 1426

页数：8

共 14 条

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