Cytotoxic flavonoids from Platymiscium floribundum.
J Nat Prod
; 68(3): 423-6, 2005 Mar.
Article
en En
| MEDLINE
| ID: mdl-15787450
ABSTRACT
Two new isoflavonoids, 7-hydroxy-6,4'-dimethoxy-isoflavonequinone (1) and 2'-hydroxy-6,4',6' ',4' ''-tetramethoxy-[7-O-7' ']-bisisoflavone (2), and seven other known flavonoids, 3-hydroxy-9-methoxypterocarpan (medicarpin), 3,10-dihydroxy-9-methoxypterocarpan, 3,9-dimethoxypterocarpan (homopterocarpin) (3), 2,3,9-trimethoxypterocarpan (4), 3,4-dihydroxy-9-methoxypterocarpan (vesticarpan) (5), 2',4,4'-trihydroxychalcone (isoliquiritigenin), and 7,4'-dihydroxyflavanone (liquiritigenin) (6), were isolated from the heartwood of Platymiscium floribundum. The structures of compounds 1 and 2 were established by spectroscopic methods. Compounds 3-6 showed cytotoxic activity when evaluated against five human cancer cell lines in vitro.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Plantas Medicinales
/
Quinonas
/
Flavonoides
/
Isoflavonas
/
Fabaceae
/
Antineoplásicos Fitogénicos
Límite:
Humans
País/Región como asunto:
America do sul
/
Brasil
Idioma:
En
Revista:
J Nat Prod
Año:
2005
Tipo del documento:
Article
País de afiliación:
Brasil