Fern Constituents : Triterpenoids Isolated from the Leaves of Cheiropleuria bicuspis

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Eight triterpenoid hydrocarbons were characterized from the fresh leaves of Cheiropleuria bicuspis. They consist of hop-22(29)-ene, neohop-13(18)-ene, fern-7-ene, (18R)-dammara-13(17), 21-diene, eupha-7,21-diene, 13α(H)-malabaricatriene, γ-polypodatetraene and squalene, all of which have different carbon skeletons, A new triterpenoid alcohol was isolated and established as 1α, 11α, 30-trihydroxyhopane. We also detected friedelin, hydroxyhopane, dryocrassol, lupeol, fernenol, 1α, 11α, 22-trihydroxyhopane, a mixture of sterols and a mixture of fatty acid esters of cycloartanoids, methylsterols and sterols. These findings suggest that Cheiropleuria bicuspis is related to Microsorium (Polypodiaceae), but are nevertheless consistent with the independency of Cheiropleuriaceae.
公益社団法人日本薬学会の論文
1990-08-25