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Synthesis and characterization of copper(II) complexes of adenine and aminoacids
M. Ramakrishna Udupa
Published in
1997
Volume: 109
   
Issue: 2
Pages: 79 - 87
Abstract
Complexes [Cu(CH3COO)(ade-H)(H2O)] H2O) (I), [Cu(CH3COO) (ade-H)(0-5ade) (0-5H2O)] 2H2O (la), [Cu(CH3COO)(ade-H)(ade)] 2H2O] (Ib), [Cu(ClCH2COO)(ade-H) (H2O)] H2O (II), [(Cu(CNCH2COO)(ade-H)(H2O)] H2O (III), where ade = adenine (C5H5N5), have been prepared. I, II and III on interaction with aminoacids such as glycine, alanine or glutamic acid give the complexes of the type [Cu(XCH2COO)(aa)(ade)(2H2O)], where X=H, Cl or CN and Haa = aminoacid, which arc characterized by elemental and thermal analyses, electronic, infrared and EPR spcctroscopic studies and variable temperature magnetic susceptibility measurements. Simple adeninato complexes are found to be dimeric, involving the bridging of the anionic adenine through the imidazole (N9) and the pyrimidine (N3) nitrogens and the acetato group through the carboxylate oxygens, while mixed adenine-aminoacidato complexes arc monomeric, involving the bonding of the N(7) of adenine, the oxygen of acetate and chclation of the aminoacid, in addition to the coordination of water molecules.
About the journal
JournalProceedings of the Indian Academy of Sciences: Chemical Sciences
ISSN02534134
Open AccessNo
Concepts (14)
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    Amino acids
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    Aromatic compounds
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    Chelation
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    Chemical bonds
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    Complexation
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    Electron spin resonance spectroscopy
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    Infrared spectroscopy
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    Magnetic permeability measurement
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    Organometallics
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    Thermoanalysis
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    COPPER ADENINATO COMPLEXES
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    COPPER ADENINE AMINOACIDATO COMPLEXES
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    Elemental analysis
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    Copper compounds