Synthetic Studies on Naturally Occurring Coumarins. I. A Convenient Synthesis of 5, 8-Dimethoxy-and 7, 8-Dimethoxycoumarins.

石井永， 剣持和弘， /原山尚, T HARAYAMA

Index: Ishii; Kenmotsu; Dopke; Harayama Chemical and Pharmaceutical Bulletin, 1992 , vol. 40, # 7 p. 1770 - 1772

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Citation Number: 17

Abstract

The coumarin isolated from Ariemisia carvifolia WALL was proved synthetically to be 7, 8- dimethoxycoumarin and not 5, 8-dimethoxycoumarin as previously proposed. 3, 4- Dimethoxy-and 3, 6-dimethoxysalicylaldehydes gave the corresponding coumarins in good