XANTHONES FROM THE TWIGS OF THE VIETNAMESE CALOPHYLLUM CERIFERUM GAGNEP. EX STEVENS

Nguyen Thi Minh Hang, Nguyen Van Hung, Nguyen Quyet Chien

Abstract


Three xanthones have been  isolated  from  the dichloromethane extract of  the  twigs of  the Vietnamese  Calophyllum  ceriferum  Gagnep.  Ex  Stevens  collected  at  Ninh  Thuan  province. Their  structures  were  elucidated  as  1,7-dihydroxy-2,3,8-trimethoxyxanthone,  1,7-dihydroxyxanthone and 1,6-dihydroxy-5,7-dimethoxyxanthone by spectroscopic analyses.

Keywords


Calophyllum ceriferum, 1,7-dihydroxy-2,3,8-trimethoxyxanthone, 1,7-dihydroxyxanthone, 1,6-dihydroxy-5,7-dimethoxyxanthone



DOI: https://doi.org/10.15625/0866-708X/50/5/9533

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Published by Vietnam Academy of Science and Technology