• A new synthesis of thiophenes and thiapyrans - Part II. Monomethylthionaphthenes and monochlorothionaphthenes

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    • Keywords


      Phosphorus Pentoxide; Bath Temp; Picrate; Yellow Needle; Dimethyl Acetal

    • Abstract


      5-Methyl-(II) and 6-methyl-thionaphthenes (IV) and the hitherto unknown 7-methyl-(VI), 5-chloro-(IX), 6-chloro-(XI) and 7-chloro-thionaphthenes (XIII) were prepared by the new synthesis. 7-Methylthionaphthene-1-dioxide (VII) was also prepared.

    • Author Affiliations


      A V Sunthankar1 B D Tilak1

      1. Department of Chemical Technology, University of Bombay, Bombay, India
    • Dates


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