XANTHONES FROM THE TWIGS OF THE VIETNAMES CALOPHYLLUM CERIFERUMGAGNEP. EX STEVENS

  • Nguyễn Thị Minh Hằng
  • Nguyễn Quyết Chiến
  • Nguyễn Văn Hùng

Abstract

Three xanthones have been isolated from the dichloromethane extract of the twigs of the Vietnamese  Calophyllum ceriferumGagnep. 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

điểm /   đánh giá
Published
2014-11-12
Section
Articles