PRENYLATED XANTHONES FROM Rheedia acuminata (reprinted from Acta Amazônica, 23(2/3):181-185)
das G. B. ZOGHBI, Maria; D. de D. B. LIMA, Patrícia; do P. Socorro C. da CUNHA, Maria; da C. PINTO, Angelo.
Acta amaz;
24(1)1994.
Artigo
em Inglês
|
LILACS-Express
| ID: biblio-1454529
Resumo
Pyranojacareubin; 1,5-dihydroxy-6',6'-dimethyl-2H-pyran(2,,3':6,7) -6",6"-dime-thyl-2H,4H-pyran(2",3":2,3)xanthone and a new xanthone l,6-dihydroxy-5-methoxy-6',6'-dime-thyl-2H-pyran(2',3':3,2)-7-(3,3-dimethylprop-2-enyl)xanthone were isolated from the ether extract of the root bark of Rheedia acuminata together with friedelin and friedelanol.Piranojacareubina; 1,5-diidroxi-6',6'-dimetil-2H-pirano(2',3':6,7)-6",6"-dimetil-2H,4H(2",3":2,3)xantona e uma xantona inédita 1,6-diidroxi-5-metoxi-6,6'-dimetil-2H-pirano(2',3':3,2)-7-(3,3-dimetilprop-2-enil) xantona foram isoladas do extrato etèreo da casca da raiz de Rheedia acuminata além de friedelina e friedelanol.
Biblioteca responsável:
BR68.1