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Autoxydation von Cu I ‐Komplexen IV Der Einfluss der mehrzähnigen Komplexbildner Histamin, Histidin, Carnosin und Histidylhistidin
Author(s) -
Zuberbühler A.
Publication year - 1970
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19700530329
Subject(s) - chemistry , autoxidation , denticity , chelation , ligand (biochemistry) , stereochemistry , histidine , medicinal chemistry , histamine , crystallography , inorganic chemistry , receptor , amino acid , organic chemistry , crystal structure , biochemistry , medicine
The autoxidation of the Cu I ‐complexes with the chelating ligands histamine, histidine, carnosine, and histidylhistidine has been studied spectrophotometrically using a stopped flow setup. The reaction of these complexes is in general very rapid compared with the reactions of complexes of unidentate ligands studied earlier. It seems that for rapid autoxidation the formation of a Cu II ‐like quadricoordinated transition state must be easy, and when the same number of similar ligand atoms are bound in the cuprous complex sterical factors seem to play an important role.