【摘要】 <正> 显脉香茶菜;显脉香茶菜丁素;2α-羟基乌苏酸;二萜其茎、叶可人药,民间用以治疗传染性肝炎等症。前文以,报道从该植物的茎、叶中分离到6种成分:乌苏酸更多还原

【Abstract】 Additional two compounds have been isolated from the stems and leaves of Isodon ner- vosus (Hemsl.) Kudo. On the basis of spectral analysis combined with preparation of deriva- tive, compound 4 was identified as ent-1α, 6β, 7β, 11α, 15β-pentahydroxy-7α, 20-epoxykaur-16- ene(nervosin D). It was a new diterpenoid derived from nature plant for the first time. Com- pound 8 was identified as 2α-hydroxy ursolic acid. It was a known compound obtained for the first time from I. nervosus.更多还原