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A new 3,4-seco-ursane triterpenoid from Glyptopetalum sclerocarpum
U Sotanaphun1, R Suttisri, V Lipipun
1Faculty of Pharmacy, Silpakorn University, Nakhon Pathom, Thailand.
Chemical & Pharmaceutical Bulletin
|September 19, 2000
Abstract:
A new ursane-type triterpene, glyptopetolide, was isolated along with two known triterpenoids, isoarborinol and cangoronine, from the stem bark of Glyptopetalum sclerocarpum LAWS. (Celastraceae). The structure of glyptopetolide was elucidated as 3,4-seco-14alpha,27-cyclo-urs-4(23)-en-3,11alpha-ol ide by spectroscopic analysis.