科研之友
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摘要
A new ent-pimarane-type diterpenoid glucoside, along with eight known same skeleton type were isolated from the ethanol extract of Siegesbeckia pubescens Makino by means of various chromatographic techniques (silica gel, RP-8, Sephadex LH-20, Pre-HPLC). Their structures were elucidated on the basis of spectroscopic analyses and the new one identified as ent-15-methylene-2a,16,19-trihydroxy-pimar-8(14)-ene-19-O-beta-D-glucopyranoside.
- 出版日期2018-10
- 单位安徽大学
