栄養源有機基質の金属錯体による変換反応

概要

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It is well known that nutritive organic substrates, such as proteins, carbohydrates and lipids <I>etc </I>., are fairly reactive compounds whose reactions are very selective. Therefore it seems interesting for us to investigate the catalytic reaction of metal complexes coordinated with nutritive organic substrates as a mimetic sample of enzymatic reaction.<BR>For one example, it is dealt with the transformation of carbohydrate by utilizing nickel complexes with various polyamines and counter anions. Important informations are as follows.<BR>Aldoses were rapidly epimerized at C-2 by nickel (II) -diamine complexes. Recently we studied this reaction under various conditions, which are ligands, anions, reaction temperature and the molar ratio of ligand to metal ion.
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