OLEANANE-TYPE TRITERPENES FROM VIBURNUM-AWABUKI

Authors
KAGAWA M MINAMI H NAKAHARA M TAKAHASHI H TAKAOKA S FUKUYAMA Y
Citation
M. Kagawa et al., OLEANANE-TYPE TRITERPENES FROM VIBURNUM-AWABUKI, Phytochemistry, 47(6), 1998, pp. 1101-1105
Citations number
11
Categorie Soggetti
Biology,"Plant Sciences
Journal title
Phytochemistry → ACNP
ISSN journal
00319422
Volume
47
Issue
6
Year of publication
1998
Pages
1101 - 1105
Database
ISI
SICI code
0031-9422(1998)47:6<1101:OTFV>2.0.ZU;2-6
Abstract
Three new oleanane-type triterpenes have been isolated from the wood o f Viburnum awabuki. Their structures have been elucidated as 3 beta,28 -dihydroxy-12-oleanene-1-one, 3 beta,28-dihydroxy-12-oleanene-11-one a nd 13,28-epoxy-11-oleanene-3-one, respectively, by extensive analysis of spectroscopic data including comparison of C-13 NMR data with those of erythrodiol and some chemical transformations. The structure of 1- oxo-erythrodiol has been confirmed by X-ray crystallographic analysis. (C) 1998 Elsevier Science Ltd. All rights reserved.