Synthetic furocoumarins. Xanthotoxin and methylxanthotoxins

Authors

  • Noël J. De Souza,

    Corresponding author
    1. Research Division, Franco Indian Manufacturers Private Limited, Bombay 18, India
    Current affiliation:
    1. Post Office Box 1375, University, Mississippi 38677
    • Research Division, Franco Indian Manufacturers Private Limited, Bombay 18, India

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  • P. Vathsala Nayak,

    1. Research Division, Franco Indian Manufacturers Private Limited, Bombay 18, India
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  • Ella Secco

    1. Research Division, Franco Indian Manufacturers Private Limited, Bombay 18, India
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Abstract

The synthesis of 4-methylxanthotoxin (X), 4,5′-dimethylxanthotoxin (XXIV) and the hitherto unknown 5′-methylxanthotoxin (XXIII) are described, using 6-allyl-7-hydroxy-8-methoxycoumarin (XV) and its 4-methyl derivative (XVII) as intermediates.

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