TERPENOIDS FROM TRIPTERYGIUM-WILFORDII VAR REGELII

Authors
TAKAISHI Y MIYAGI K KAWAZOE K NAKANO K LI KH DUAN HQ
Citation
Y. Takaishi et al., TERPENOIDS FROM TRIPTERYGIUM-WILFORDII VAR REGELII, Phytochemistry, 45(5), 1997, pp. 975-978
Citations number
11
Categorie Soggetti
Plant Sciences
Journal title
Phytochemistry → ACNP
ISSN journal
00319422
Volume
45
Issue
5
Year of publication
1997
Pages
975 - 978
Database
ISI
SICI code
0031-9422(1997)45:5<975:TFTVR>2.0.ZU;2-#
Abstract
The methanol extract of dried stem barks of Tripterygium wilfordii Hoo k hi. var regelii afforded two new triterpenes: 22-hydroxy-3, 19, 24-t rinor-D:A-friedoolenane-1(10), 5, 7-triene-2-oic acid methyl ester, na med regelone, and 3-methyl-23-ol-oxotingenol; anew diterpene-8 beta, 1 9-dihydroxy-3-oxopimar-15-ene; and three known triterpenes-3-methyl-22 -beta, 23-diol-6-oxotingenol, tingenin B and cangoronin. Their structu res were established on the basis of chemical and spectroscopic studie s. (C) 1997 Elsevier Science Ltd. All rights reserved.