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    • Efficient synthesis of metallated thioporphyrazines in task specific ionic liquids and their spectroscopic investigation of binding with selected transition metal ions

      POONAM RITIKA NAGPAL SMRITI ARORA SHIVE M S CHAUHAN

      Regular Article Volume 128 Issue 9 September 2016 pp 1417-1422

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/128/09/1417-1422

    • Keywords

       

      Thioporphyrazines; tetramerization; metal salts; ionic liquids; transition metal; sensors.

    • Abstract

       

      Tetramerization of substituted maleonitriles in task specific 2-hydroxylethyl based imidazolium ionic liquids at 120◦C gave corresponding electron rich peripheral substituted thioporphyrazines in moderate yield. The 2-hydroxylethyl imidazolium ionic liquids gave better yields of peripheral substituted thioporphyrazinesin comparison with non-hydroxyl functionalized ionic liquids. Further, these peripherally functionalized porphyrazines containing sulphur are used to investigate spectroscopically the binding studies with palladium(II) and mercury(II) ions. These metal ions are toxic in nature and deserve serious attention in the areaof design of effective separation and efficient micro-sensing techniques. The UV–Vis absorption spectroscopy and fluorescence signalling are mainly used to study peripheral binding of transition metal ions.

    • Author Affiliations

       

      POONAM 1 RITIKA NAGPAL2 SMRITI ARORA2 SHIVE M S CHAUHAN2

      1. Department of Chemistry, Miranda House, University of Delhi, Delhi 110 007, India
      2. Bioorganic Research Laboratory, Department of Chemistry, University of Delhi, Delhi 100 07, India

    • Dates

       
      Published
      1 September 2016
      Manuscript received
      7 February 2016
      Manuscript revised
      31 May 2016
      Accepted
      7 July 2016

    • Supplementary Material

       

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