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    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/098/04/0297-0304

    • Keywords

       

      1-Cyclohexene-1-carboxylic acid; 1-cyclopentene-1-carboxylic acid; hexahydrobenzofluorenone; tetrahydropentalenonaphthalenone

    • Abstract

       

      Synthetically useful substituted hexahydrobenzofluoren-11-ones and tetrahydropentalenonaphthalen-10(H)-ones are prepared in one step by the reaction of cyclic α, β-unsaturated acids, namely, 1-cyclohexene.-1-carboxylic acid and 1-cyclopentene-1-carboxylic acid, with substituted dialkoxynaphthalenes in the presence of polyphosphoric acid. The stereochemistry at the C/D ring junction is determined from the1H NMR and by decoupling experiments.

    • Author Affiliations

       

      J R Merchant1 Vidyullata C Waghulde2

      1. D G Ruparel College, Bombay - 400 016, India
      2. Department of Organic Chemistry, Institute of Science, Bombay - 400 032, India

    • Dates

       
      Published
      May 1987
      Manuscript received
      15 November 1986
      Manuscript revised
      31 March 1987

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