| Popis: |
Department of Chemistry, University College of Science, Calcutta-700 009 Syntheses of the methyl ether (V) of a natural phthalide anaphatol (II) (5-hydroxy-7-O-3'-methylbut-2'-enylphthalide), two other natural phthalides, viz., 5,7-dihydroxyphthalide (I) and 5-methoxy-7-hydroxyphthalide (III) occurring in Anaphalis contorta and of 5,7-dimethoxyphthalide (IV) reported from Helichrysum arenarium have been accomplished. The assigned structures of the above natural phthalides are thus confirmed. 4,6.Diacetoxyphthalide (VI) has also been synthesised. |
