摘要
从四川省峨眉山产细锥香茶菜[Rabdosia coetsa(Buch-Ham,ex,D.Don)Hara]乙醚抽提物中分得了一个新二萜化合物,命名为细锥香茶菜丁素(rabdocoetsin D),其结构经各项波谱数据和化学证据确定为1α,7β-二羟基-11β-乙酰氧基-对映-7β,20-环氧-贝壳杉-16-烯-15-酮(1)。另外还分离到3个已知二萜,细锥香茶菜乙素(rabdocoetsin B)、细锥香茶菜丙素(rabdocoetsin C)、瘿花香茶菜甲素(rosthorin A)。
A new diterpene,rabdocoetsin D(1)was isolated from the ethereal extract of the leaves of Rabdosia coetsa(Buch-Ham,ex,D.Don)Hara(Labiatae)collected in Sichuan,China.Its st- ructure was established as 1α,7β-dihydroxy-11β-acetoxy-ent-7β,20-epoxy-kaur-16-en-15-one by spectroscopic and chemical evidence.Three known diterpenoids,rabdocoetsin B and C,rostho- rin A were also isolated.
关键词
细锥香茶菜
二萜化合物
Diterpenoids
ent-kaurene
rabdocoetsin D
Rabdosia coetsa
