3 NEW LABDANE-TYPE DITERPENES FROM WOOD, EXCOECARIA-AGALLOCHA

Authors
KONISHI T AZUMA M ITOGA R KIYOSAWA S FUJIWARA Y SHIMADA Y
Citation
T. Konishi et al., 3 NEW LABDANE-TYPE DITERPENES FROM WOOD, EXCOECARIA-AGALLOCHA, Chemical and Pharmaceutical Bulletin, 44(1), 1996, pp. 229-231
Citations number
13
Categorie Soggetti
Pharmacology & Pharmacy",Chemistry
Journal title
Chemical and Pharmaceutical Bulletin → ACNP
ISSN journal
00092363
Volume
44
Issue
1
Year of publication
1996
Pages
229 - 231
Database
ISI
SICI code
0009-2363(1996)44:1<229:3NLDFW>2.0.ZU;2-9
Abstract
From the wood of Excoecaria agallocha LINN., three new labdane-type di terpenes, ent-11 alpha-hydroxy-3-oxo-13-epi-manoyl oxide (4), ent-16-h ydrosy-3-oxo-13-epi-manoyl oxide (5) and ent-15-hydroxy-labda-8(17),13 E-diene-3-one (6) were isolated together with three known compounds, e nt-3-oxo-13-epi-manoyl oxide (ribenone, 1), ent-3 beta-hydroxy-13-epi- manoyl oxide (ribenol, 2) and ent-13-epi-manoyl oxide (3), and their s tructures were determined.