Zn(II), Cd(II), and Hg(II) complexes of 6-amino-3-methyl-5-nitrosouracil

The preparation and spectral properties of the complexes of 6-amino-3-methyl-5-nitroso-uracil (HAMNU) with Zn(II), Cd(II), and Hg(II) ions are reported. The results suggest that the exocyclic oxygen and nitrogen atoms have a much greater tendency to bind to these ions than the ring nitrogen atoms. I...

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Bibliographic Details
Published in:Canadian journal of chemistry 1985-12, Vol.63 (12), p.3573-3576
Main Authors: Salas-Peregrin, J. M, Moreno-Carretero, M. N, Colacio-Rodriguez, E
Format: Article
Language:English
Subjects:
Chemistry
Coordination compounds
Exact sciences and technology
Inorganic chemistry and origins of life
Preparations and properties
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Summary:The preparation and spectral properties of the complexes of 6-amino-3-methyl-5-nitroso-uracil (HAMNU) with Zn(II), Cd(II), and Hg(II) ions are reported. The results suggest that the exocyclic oxygen and nitrogen atoms have a much greater tendency to bind to these ions than the ring nitrogen atoms. In Zn(II) and Cd(II) complexes, the ligand is N,O-coordinated through the 5-nitroso and 6-oxide groups of (AMNU) in nitrosophenolic anionic form. In the Hg(II) complexes, the ligand seems to be bound in neutral form. Tetrahedral structures are proposed in all cases.
ISSN:0008-4042
1480-3291
DOI:10.1139/v85-586