A new flavonol glycoside from Baeckea Frutescens L / 药学学报
Acta Pharmaceutica Sinica
; (12): 1032-1035, 2008.
Article
em Zh
| WPRIM
| ID: wpr-232648
Biblioteca responsável:
WPRO
ABSTRACT
To study the chemical constituents of the traditional Chinese herb Baeckea Frutescens L., a new flavonol glycoside, named 6, 8-dimethylkaempferol-3-O-alpha-L-rhamnoside (1), together with seven known compounds: quercetin (2), quercetin-3-O-alpha-L-rhamnoside (3), myricetin (4), myricetin-3-O-alpha-L-rhamnoside (5), gallic acid (6), ursolic acid (7) and 1,3-dihydroxy-2-(2'-methoxylpropionyl)-5-methoxy-6-methylbenzene (8) were isolated by using silica gel column chromatography, polyamide column chromatography and recrytallization. Their structures were identified on the basis of physicochemical properties and spectroscopic analysis. Among them, compounds 2-7 were isolated from this plant for the first time and compound 8 was first isolated from plant.
Texto completo:
1
Base de dados:
WPRIM
Assunto principal:
Plantas Medicinais
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Quercetina
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Tolueno
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Triterpenos
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Flavonoides
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Estrutura Molecular
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Química
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Myrtaceae
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Flavonóis
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Quempferóis
Idioma:
Zh
Revista:
Acta Pharmaceutica Sinica
Ano de publicação:
2008
Tipo de documento:
Article