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    • Keywords


      1,2-Naphthynes; 2,3-pyridynes; 3,4-pyridynes; 3-aza-benzo[j] phenanthridine; 9-azaphenanthridine; 2,11-diazachrysene

    • Abstract


      It has been shown that the KNH2/NH3 cyclisation of ortho/meta halogenated Schiff bases, or the corresponding dihydro compounds, succeeds when 1,2-naphthynes and 2,3-pyridynes are involved as intermediates. Using this procedure 3-aza-benzo[j]phenanthridine, 9-azaphenanthridine and 2,11-diazachrysene have been synthesized.

    • Author Affiliations


      S V Kessar1 Y P Gupta1 Paramjit Singh1 S K Gupta1 P S Pahwa1

      1. Department of Chemistry, Panjab University, Chandigarh - 160 014
    • Dates

  • Journal of Chemical Sciences | News

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