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[Studies on antifertility constituents of Siegesbeckia glabrescens Mak].
Three diterpenes including a new compound were isolated from the whole plant of Siegesbeckia glabrescens Mak and its structure was elucidated as ent-3 alpha, 15,16-trihydroxy pimarane 3,15-bis-(beta-glucopyranoside) based on the spectral evidence and chemical transformation. Expand
Further new complex daphniphyllum alkaloids from the stems and leaves of Daphniphyllum calycinum: Structure and stereochemistry
ABSTRACT Four new daphniphyllum alkaloids, namely daphnicalycines A–D (1–4), together with nineteen known related ones (5–7 and 11–26), were isolated from the stems and leaves of DaphniphyllumExpand
Ximaoglaucumins A - F, new cembranoids with anti-inflammatory activities from the South China Sea soft coral Sarcophyton glaucum.
Six new cembrane-type diterpenoids, namely ximaoglaucumins A-F (1-6), along with fifteen known related ones (7-10 and 14-24), have been isolated from the soft coral Sarcophyton glaucum collected offExpand