Three New Labdane-Type Diterpenes from Wood, Excoecaria agallocha.
1996; Pharmaceutical Society of Japan; Volume: 44; Issue: 1 Linguagem: Inglês
10.1248/cpb.44.229
ISSN1347-5223
AutoresTenji Konishi, Masuji AZUMA, Rie ITOGA, Shiu Kiyosawa, Yasuhiro Fujiwara, Yasuo Shimada,
Tópico(s)Biological Activity of Diterpenoids and Biflavonoids
ResumoFrom the wood of Excoecaria agallocha LINN., three new labdane-type diterpenes, ent-11α-hydroxy-3-oxo-13-epi-manoyl oxide (4), ent-16-hydroxy-3-oxo-13-epi-manoyl oxide (5) and ent-15-hydroxy-labda-8(17), 13E-diene-3-one (6) were isolated together with three known compounds, ent-3-oxo-13-epi-manoyl oxide (ribenone, 1), ent-3β-hydroxy-13-epi-manoyl oxide (ribenol, 2) and ent-13-epi-manoyl oxide (3), and their structures were determined.
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