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Diterpenoids from Amazonian crude drug of Fabaceae
Tadashi Kido1, Masahiko Taniguchi, Kimiye Baba
1Osaka University of Pharmaceutical Sciences, Japan.
Chemical & Pharmaceutical Bulletin
|February 11, 2003
Abstract:
A new cassane diterpene was isolated from Amazonian crude drug, "Acapu, " the wood of Vouacapoua americana, together with two known cassane furanoditerpenes, (+)-vouacapenic acid and (+)-methyl vouacapenate. The structure was characterized as cassa-13(14), 15-dien-19-oic acid on the basis of spectroscopic evidence.