Studies on the Sesquiterpenoids of Panax ginseng C. A, MEYER. Isolation and Structure Determination of Sesquiterpene Alcohols, Panasinsanols A and B(Pharmacognosy,Chemical)

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Two sesquiterpene alcohols, panasinsanol A (1) and panasinsanol B (2), were isolated from the rootlets of Panax ginseng C. A. MEYER (Araliaceac) together with known sesquiterpene hydrocarbons, α-panasinsene (3), β-punasinsene (4), α-neoclovene (5), and β-neoclovene (6). The structures of 1 and 2 were established by spectral evidence, chemical correlations to congener hydrocarbons (3, 4, 5, and 6), and finally by their syntheses from (-)-β-caryophyllene. This is the first isolation of 1 from a natural source, and 2 is a novel panasinsane-type sesquiterpene.
公益社団法人日本薬学会の論文
1987-05-25