• Coordination aggregation of mesoaryl substituted porphyrins

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    • 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

  • Journal of Chemical Sciences | News

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