| Revue: | Journal of the Brazilian Chemical Society |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000311132 |
| ISSN: | 0103-5053 |
| Autores: | Cruz, Frederico G1 Moreira, Luciana de M Santos, Nelson A.S Guedes, Maria L.S2 |
| Instituciones: | 1Universidade Federal da Bahia, Instituto de Quimica, Salvador, Bahia. Brasil 2Universidade Federal da Bahia, Instituto de Biologia, Salvador, Bahia. Brasil |
| Año: | 2002 |
| Periodo: | Sep |
| Volumen: | 13 |
| Número: | 5 |
| Paginación: | 708-708 |
| País: | Brasil |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental |
| Resumen en inglés | Three new 4-phenylcoumarins, 5,7-dihydroxy-6-(2'-hydroxy-3'-methyl-3'-butenyl)-8-(4" -cinnamoyl-3"-methyl-1"-oxobutyl)-4-phenylcoumarin, 7-hydroxy-8-(4"-cinnamoyl-3"-methyl-1" -oxobutyl)-2'-(2-hydroxyisopropyl)-dihydrofurano(5',4':5,6)-4-phenylcoumarin, and 5,7-dihydroxy-8-(4"-cinnamoyl-3"-methyl-1"-oxobutyl)-4-phenylcoumarin, along with the known 4-n-propylcoumarins, 7-hydroxy-8-(4"-cinnamoyl-3"-methyl-1"-oxobutyl)-2',2'-dimethylpyrano (6',5':5,6)-4-n-propylcoumarin, 5-hydroxy-6-(4"-cinnamoyl-3"-methyl-1"-oxobutyl)-2',2' -dimethylpyrano(6',5':7,8)-4-n-propylcoumarin, the xanthone, 2,3-methylenedioxyxanthone and delta-tocotrienol were isolated from the organic extracts of Kielmeyera reticulata stems |
| Resumen en portugués | Do extrato hexânico e da fase extraída com diclorometano do extrato metanólico de Kielmeyera reticulata foram isoladas três novas 4-fenilcumarinas, 5,7-diidroxi-6-(2'-hidroxi-3'-metil-3'-butenil)-8-(4"-cinamoil-3"-metil-1"-oxobutil)-4-fenilcumarina, 7-hidroxi-8-(4"-cinamoil-3"-metil-1" -oxobutil)-2'-(2-hidroxiisopropil)diidrofurano (5',4':5,6)-4-fenilcumarina e 5,7-diidroxi-8-(4"-cinamoil-3"-metil-1"-oxobutil)-4-fenilcumarina, além das substâncias já conhecidas, 7-hidroxi-8-(4"-cinamoil-3"-metil-1"-oxobutil)-2',2'-dimetilpirano(6',5':5,6)-4- n-propilcumarina, 5-hidroxi-6-(4"-cinamoil-3"-metil-1"-oxobutil)-2',2'-dimetilpirano(6',5':7,8)-4- n-propilcumarina, delta-tocotrienol e 2,3-metilenodioxixantona |
| Disciplinas: | Química, Biología |
| Palabras clave: | Fitoquímica, Angiospermas, Neoflavonoides, Fenilcumarinas, Propilcumarinas, Kielmeyera reticulata, Clusiaceae |
| Keyword: | Chemistry, Biology, Phytochemistry, Angiosperms, Neoflavonoids, Phenylcoumarins, Propylcoumarins, Kielmeyera reticulata, Clusiaceae |
| Texte intégral: | Texto completo (Ver HTML) |
