Phytochemistry p. 3989 - 3992 (1992)
Update date:2022-08-10
Topics:
Cardona, Luz
Garcia, Begona
Pedro, Jose R.
Perez, Jose
From the acetone extract of Carduus tenuiflorus, a new coumarin-hemiterpene ether was isolated, which was identified as 6-(3,3-dimethylallyloxy)-7-methoxycoumarin.The synthesis of this coumarin and that of its positional isomer 7-(3,3-dimethylallyloxy)-6-methoxycoumarin were carried out from esculetin.Two other coumarins, three lignans and three flavonoids were also isolated. Key Word Index: Carduus tenuiflorus; Compositae; prenyloxycoumarins; isolation; synthesis; lignans; flavonoids.
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