1.
J Nat Prod
; 64(7): 973-5, 2001 Jul.
Artigo
em Inglês
| MEDLINE
| ID: mdl-11473440
RESUMO
A tautomeric pair of new isoprenylated benzophenones, aristophenone A (1a) and B (1b), have been isolated from Garcinia aristata fruits. Their structures has been determined using high-field 2D NMR techniques.
Assuntos
Benzofenonas/isolamento & purificação , Plantas Medicinais/química , Benzofenonas/química , Cromatografia Líquida de Alta Pressão , Cuba , Frutas/química , Espectroscopia de Ressonância Magnética , Estrutura Molecular , Estereoisomerismo
2.
J Nat Prod
; 62(7): 1013-5, 1999 Jul.
Artigo
em Inglês
| MEDLINE
| ID: mdl-10425129
RESUMO
A novel polyisoprenylated benzophenone (1) has been isolated from an ethanol extract of Cuban propolis. Its structure has been determined using high-field 2D NMR techniques. Compound 1 showed significant antimicrobial and antifungal activity against a variety of bacteria and yeasts.