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    • Atrans influence study in propyl (aquo)cobaloxime by imidazoles and amino acids

      J V Madhuri S Satyanarayana

      Volume 117 Issue 4 July 2005 pp 305-309

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/117/04/0305-0309

    • Keywords

       

      Spectrophotometry; equilibrium constants; trans influence; molecular mechanics; Co-C bond

    • Abstract

       

      Substitution reactions of propyl cobaloxime with imidazole, substituted imidazoles, histidine, histamine, glycine and ethyl glycine ester are carried out as a function of pH. Trends in the formation constants are explained based on the steric hindrance, extent of π-bonding and Σ-donor capacity of the incoming ligand. Molecular mechanics is used to theoretically determine the bond length and bond strain values by MM2 parametrization and these are correlated with the experimental data.

    • Author Affiliations

       

      J V Madhuri1 S Satyanarayana1

      1. Department of Chemistry, Osmania University, Hyderabad - 500 007, India

    • Dates

       
      Published
      July 2005
      Manuscript received
      11 October 2004
      Accepted
      23 February 2005

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