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    • A one-step efficient general method for the synthesis of naphthopyrones: A first synthesis of spiro [naphthalene-2,4′-phenanthrene] carbocycles

      Jaysukhlal R Merchant Neville V Fernandes

      Organic Volume 107 Issue 2 April 1995 pp 109-122

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/107/02/0109-0122

    • Keywords

       

      Tetralones; α,β-unsaturated acids; 4H-naphtho(1,2-b)pyrone; spiro [naphthalene-2,4′-phenanthrene]-1,1′-dione

    • Abstract

       

      A new synthesis of naphthopyrones and hexahydrospiro [naphthalene-2,4′-phenanthrene]-1,1′-diones has been accomplished by the Friedel-Crafts reaction of various 1-tetralones with α,β-unsaturated acids in the presence of polyphosphoric acid (PPA).

    • Author Affiliations

       

      Jaysukhlal R Merchant1 Neville V Fernandes1

      1. Organic Chemistry Research Department, D G Ruparel College, Senapati Bapat Marg, Bombay - 400 016, India

    • Dates

       
      Published
      April 1995
      Manuscript received
      18 April 1994
      Manuscript revised
      26 September 1994
      Final version published online
      1 April 1995

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