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Interaction of divalent metal ions with uracil III. Complexes of MnII, FeII, CoII, NiII and CuII with uracil acting as bidentate ligand

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Summary

Some novel nonelectrolytic complexes of uracil in its anionic form with divalent metal ions were synthesised by heating to reflux a methanolic solution of uracil and a metal salt at pHca. 7.5. The isolated complexes are formulated as [ML2(H2O)2] where M = Mn, Fe, Co, Ni, or Cu; L = C4H3N2O2 Electronic spectra indicate the hexacoordination of the metal ion in all the complexes and also the presence of a weak metal-oxygen interaction. The disappearance of the δ(NH) band and also the appreciable change both in intensity and position the characteristic bands of the 2-keto group of the uracil in the infrared spectra of all the complexes indicate the chelation of the uracil through C(2)=O and N(3).

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Authors and Affiliations

  1. Department of Chemistry, University of Kalyani, Kalyani 741 235(W.B.), India

    Parthasarathi Ghosh, Tapas K. Mukhopadhyay & Asit R. Sarkar

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  1. Parthasarathi Ghosh
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  2. Tapas K. Mukhopadhyay
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  3. Asit R. Sarkar
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Ghosh, P., Mukhopadhyay, T.K. & Sarkar, A.R. Interaction of divalent metal ions with uracil III. Complexes of MnII, FeII, CoII, NiII and CuII with uracil acting as bidentate ligand. Transition Met Chem 9, 46–48 (1984). https://doi.org/10.1007/BF00618999

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  • DOI: https://doi.org/10.1007/BF00618999

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