【摘要】 从云南昆明地区采集的短萼海桐树皮中分离得到五个齐墩果烷型三萜皂苷元,其中5为一新化合物,命名短萼海桐皂苷元,其余四个分别为已知的齐墩果酸,常春藤皂苷元,茶皂苷元D,和R₁-barrigenol.更多还原

【Abstract】 Five compounds have been isolated from the bark of pittosporum brevicalyx （Oliv） Gagnep. One of them named pittobrevigenin is a new compound and is shown to be 21-O-angelyl-22-O-acetyl-R₁-barrigenol. The other four compounds have been identified as oleanolic acid, hederagenin, theasapogenin D, R₁-barrigenol respectively.更多还原