Abstract: Four taxoids, lβ-hydroxy-2α, 7β-deacetylbaccatin I (1), lβ-hydroxybaccatin I (2) , 2α, 5α, 7β, 9α, 10β, 13α-hexaacetoxy-4 (20), 11-taxadiene (3) and 2-deacetoxy-5-decinnamoyl taxinine J (4), among which compound 1 was a new one, were isolated from the leaves and stems of Taxus chinensis. The structures of the compounds were elucidated by spectroscopic techniques.

Key words: Taxus chinesis

摘要： 从中国红豆杉(Taxus chinensis)枝叶中分离得到4个紫杉烷二萜，通过波谱分析分别确定为：1β羟基2α，7β二去乙酰基巴卡亭I (1)，1β羟基巴卡亭I (2), 2α, 5α, 7β, 9α, 10β, 13α六乙酰氧基紫杉-4 (20), 11-二烯 (3)和2-去乙酰氧基-5-去肉桂酰 taxinine J (4),其中化合物1为新化合物。

关键词: 马唐属, 短颖棒毛马唐, 新变种