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    • Green and efficient synthesis of aryl/alkylbis(indolyl)methanes using Expanded Perlite-PPA as a heterogeneous solid acid catalyst in aqueous media

      MARZIEH ESMAIELPOUR BATOOL AKHLAGHINIA ROYA JAHANSHAHI

      Regular Article Volume 129 Issue 3 March 2017 pp 313-328

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/129/03/0313-0328

    • Keywords

       

      Expanded Perlite-PPA; aryl/alkylbis(indolyl)methanes; carbonyl compounds; heterogeneous catalyst.

    • Abstract

       

      Expanded Perlite-Polyphosphoric acid (EP-PPA) as a novel, efficient, recyclable and eco-benign heterogeneous catalyst has been applied for the green and rapid synthesis of aryl/alkylbis(indolyl)methanes, in water, in good to excellent yields. The catalyst was characterized by XRF, FT-IR, TGA/DTG, ICP-OES, SEMEDX and pH analysis. Importantly, the newly synthesized heterogeneous solid acid catalyst can be recovered and reused six times without any significant loss in its catalytic potential. The remarkable features of thepresent methodology are high conversions, shorter reaction times, cleaner reaction profiles and simple work-up procedures.

    • Author Affiliations

       

      MARZIEH ESMAIELPOUR BATOOL AKHLAGHINIA ROYA JAHANSHAHI

      1. Dates

         
        Published
        6 March 2017
        Manuscript received
        10 October 2016
        Manuscript revised
        19 December 2016
        Accepted
        3 February 2017

      2. Supplementary Material

         

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