油茶果壳化学成分研究

Chemical Constituents from the Fruit Shell of Camellia oleifera

摘要:

为了解油茶（Camellia oleifera Abel.）果壳中的化学成分，从其95%乙醇提取物中分离得到10个化合物。经波谱数据分析分别鉴定为：3α-菠菜甾醇（1）、麦角甾-4，6，8（14），22-四烯-3-酮（2）、（R）-de-O-metillasiodiplodin（3）、4'，5，7-三羟基二氢黄酮（4）、大黄素（5）、6-乙基-5-羟基-2，7-二甲氧基-1，4-萘醌（6）、ω-羟基大黄素（7）、macrophorin A（8）、negunfurol（9）、1-（3'，5'-二甲氧基）苯基-2-（4″-羟基）苯基乙烷（10）。化合物1~9为首次从油茶中分离得到，化合物2、3、5~9为首次从山茶属植物中分离得到。

Abstract:

To study the chemical constituents of Camellia oleifera (Abel.), ten compounds were isolated from the 95% ethanol extract. On the basis of spectral data, their structures were identified as 3α-spinasterol (1), ergosta-4,6,8(14),22-tetraen-3-one (2), (R)-de-O-metillasiodiplodin (3), 4',5,7-trihydroxyflavanone (4), emodin (5), 6-ethyl-5-hydroxy-2,7-dimethoxy-1,4-naphthoquinone (6), ω-hydroxyemodin (7), macrophorin A (8), negunfurol (9), 1-(3',5'-dimethoxy)-phenyl-2-(4"-hydroxy) phenylethane (10). Compounds 1-9 were obtained from this species for the first time, and compounds 2, 3, 5-9 were obtained from the genus Camellia for the first time.