Li Xiao-Li, Yang Liu-Meng, Zhao Yu, Wang Rui-Rui, Xu Gang, Zheng Yong-Tang, Tu Lin, Peng Li-Yan, Cheng Xiao, Zhao Qin-Shi
State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Yunnan, People's Republic of China.
J Nat Prod. 2007 Feb;70(2):265-8. doi: 10.1021/np0603166.
The acetone extract of Dicranopteris dichotoma afforded two new tetranorclerodanes, 18-hydroxyaylthonic acid (1) and 18-oxo-aylthonic acid (2), and four new clerodane-type diterpene glycosides, (6S,13S)-6-O-[6-O-acetyl-beta-d-glucopyranosyl-(1-->4)-alpha-l-rhamnopyranosyl]cleroda-3,14-dien-13-ol (3), (6S,13S)-6-O-[4-O-acetyl-beta-d-glucopyranosyl-(1-->4)-alpha-l-rhamnopyranosyl]cleroda-3,14-dien-13-ol (4), 6-O-[6-O-acetyl-beta-d-glucopyranos-yl-(1-->4)-alpha-l-rhamnopyranosyl]-(13E)-cleroda-3,13-dien-15-ol (5), and 6-O-[beta-d-glucopyranosyl]-(1-->4)-alpha-l-rhamnopyranosyl-(13E)-cleroda-3,13-dien-15-ol (6), together with two known compounds, aylthonic acid (7) and (6S,13S)-cleroda-3,14-diene-6,13-diol (8). The structures of these new compounds were established by a combination of 1D and 2D NMR techniques, MS, and acid hydrolysis. Compound 8 showed modest anti-HIV-1 activity.
芒萁的丙酮提取物得到了两种新的四环克罗烷类化合物,18 - 羟基阿里酮酸(1)和18 - 氧代阿里酮酸(2),以及四种新的克罗烷型二萜糖苷,(6S,13S)-6 - O - [6 - O - 乙酰基 - β - D - 吡喃葡萄糖基 - (1→4)-α - L - 鼠李吡喃糖基]克罗达 - 3,14 - 二烯 - 13 - 醇(3),(6S,13S)-6 - O - [4 - O - 乙酰基 - β - D - 吡喃葡萄糖基 - (1→4)-α - L - 鼠李吡喃糖基]克罗达 - 3,14 - 二烯 - 13 - 醇(4),6 - O - [6 - O - 乙酰基 - β - D - 吡喃葡萄糖基 - (1→4)-α - L - 鼠李吡喃糖基] - (13E)-克罗达 - 3,13 - 二烯 - 15 - 醇(5),以及6 - O - [β - D - 吡喃葡萄糖基] - (1→4)-α - L - 鼠李吡喃糖基 - (13E)-克罗达 - 3,13 - 二烯 - 15 - 醇(6),同时还有两种已知化合物,阿里酮酸(7)和(6S,13S)-克罗达 - 3,14 - 二烯 - 6,13 - 二醇(8)。这些新化合物的结构通过一维和二维核磁共振技术、质谱和酸水解相结合的方法得以确定。化合物8显示出适度的抗HIV - 1活性。