• The action of grignard reagents on benzopyrones - Part I. Preparation of some chromenes from 4-substituted coumarins

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    • Keywords


      Coumarin; Anisol; Methyl Iodide; Magnesium Sulphate; Benzyl Chloride

    • Abstract


      The action of grignard reagents on methoxy methyl umbelliferone and α-naphtho coumarin was investigated to prepare compounds similar to certain naturally occurring benzopyrans.

    • Author Affiliations


      A R Sukumaran Kartha1 K N Menon1

      1. Maharaja’s College, Ernakulam
    • Dates


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