【摘要】 从中国红豆杉 (Taxuschinensis)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 ,10 β ,13α 六乙酰氧基紫杉 - 4(2 0 ) ,11-二烯 (3)和 2 -去乙酰氧基 - 5 -去肉桂酰taxinineJ (4) ,其中化合物 1为新化合物。更多还原

【Abstract】 Four taxoids,1β-hydroxy-2α, 7β-deacetylbaccatin I (1),1β-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.更多还原