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Ternäre Komplexe in Lösung II . Einfluss von 2,2′‐Bipyridyl auf die Stabilität des Cu 2+ ‐Glycin‐1:1‐Komplexes
Author(s) -
Sigel Helmut,
Griesser Rolf
Publication year - 1967
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.19670500718
Subject(s) - chemistry , ternary operation , glycine , medicinal chemistry , stability constants of complexes , stereochemistry , crystallography , aqueous solution , amino acid , biochemistry , computer science , programming language
The stability constant of the Cu 2+ ‐2,2′‐bipyridyl‐glycine complex (log K CuBipyGly CuBipy= 7,88) was measured and compared with that of the binary Cu 2+ ‐glycine complex (log K CuGly Cu= 8,27). The value Δ log K = −0,4 (cf. equation (3)) is in the order which should be expected for the coordination of a mixed ON‐ligand to (Cu‐Bipy) 2+ which results in the formation of a ternary complex (cf. [1]).