New phenolic and quinone-methide triterpenes from Maytenus amazonica.
J Nat Prod
; 62(3): 434-6, 1999 Mar.
Article
en En
| MEDLINE
| ID: mdl-10096852
ABSTRACT
The new nortriterpene methylene quinones amazoquinone (1) and (7S, 8S)-7-hydroxy-7,8-dihydro-tingenone (2), and the new norphenolic triterpenes 7,8-dihydro-6-oxo-tingenol (3), 23-nor-6-oxo-tingenol (4), and 23-oxo-iso-tingenone (5) were isolated from Maytenus amazonica. Their structures were elucidated by spectroscopic methods. Compounds 1, 2, 3, and 5 showed low antitumor activity against four cancer cell lines.
Buscar en Google
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Plantas Medicinales
/
Quinonas
/
Triterpenos
/
Antineoplásicos Fitogénicos
Límite:
Animals
/
Humans
País/Región como asunto:
America do sul
/
Peru
Idioma:
En
Revista:
J Nat Prod
Año:
1999
Tipo del documento:
Article
País de afiliación:
España