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Interaction of Dioxovanadium(V) with Alanine, Alanylalanine, and Alanylglycine

Authors :
Farrokh Gharib
Mohammad Hossein Fekri
Source :
Journal of Solution Chemistry. 32:855-863
Publication Year :
2003
Publisher :
Springer Science and Business Media LLC, 2003.

Abstract

The stability constants of the systems dioxovanadium(V) with alanylalanine, alanylglycine, and alanine have been determined in aqueous solution in 0.8 ≤ pH ≤ 5 at 25°C and 0.1 mol-dm−3 (NaClO4), using a combination of potentiometric and spectrophotometric techniques. The compositions of the formed complexes were determined and it was shown that dioxovanadium(V) forms two mononuclear 1:1 and 1:2 species with alanine of the type VO2L and VO2L2−, and two mononuclear 1:1 complexes with alanylpeptides of the type VO2HL and VO2L−.

Details

ISSN :
00959782
Volume :
32
Database :
OpenAIRE
Journal :
Journal of Solution Chemistry
Accession number :
edsair.doi...........3e0cd7af7c6493be355d59d686b8e586
Full Text :
https://doi.org/10.1023/b:josl.0000013429.79418.f6