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    • Coordination aggregation of mesoaryl substituted porphyrins

      P Gautam V Krishnan

      Volume 107 Issue 4 August 1995 pp 477-486

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/107/04/0477-0486

    • Keywords

       

      Metalloporphyrins; axial coordination; coordinated aggregates

    • Abstract

       

      Synthesis of the free-basetetrakis (3′-nitro/aminophenyl), (H2TNP/ H2TAP) has been accomplished and its coordination behaviour towards Mg(II), Co(II), Zn(II) and Ag(II) ions is investigated. Optical and magnetic resonance properties of the metal derivatives MTNP and MTAP reveal that the aminoporphyrins exist as aggregates in solution. The aggregation is promoted by the coordination of the peripheral amino groups to neighbouring metalloporphyrins. Possible structures of aggregated species are proposed from the model studies.

    • Author Affiliations

       

      P Gautam1 V Krishnan1 2

      1. Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore - 560012, India
      2. Also at Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur P O, Bangalore - 560064, India

    • Dates

       
      Published
      August 1995

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