[关键词]
[摘要]
在继续对显脉香茶菜Rabdosianervosa(Hemsl)C.Y.WuetH.W.Li茎叶有效成分的研究中,又分得一种新的对映-贝壳杉烷型二萜,经理化常数和波谱分析,确定其结构为1α,15β-二羟基-6β-乙氧基-6,7-B-断裂-对映-贝壳杉-16-烯-6,20-环氧-7,20-内酯,命名为显脉香茶菜丙素(rabdonervosinC)
[Key word]
[Abstract]
In continuation of our investigation, a new diterpene, rabdonervosin C (Ⅰ), was isolated from the leaves and stems of Rabdosia nervosa (Hemsl ) C Y Wu et H W Li Its structure was identified as 1α, 15β, dihydroxy 6β ethoxy 6, 7 B seco ent kaur 16 en 6, 20 epoxy 7, 20 δ olide on the basis of spectroscopic (MS, IR, 1HNMR, 13 CNMR, DEPT and 2D NMR) data and in comparison with the known rabdonervosin A(Ⅲ) and B (Ⅱ)
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