RESUMO
Two new arylnaphthalene lignan glycosides, named reticulatusides A (1) and B (2), together with eight known compounds were isolated from the 95% EtOH extract of the whole plant of Phyllanthus reticulatus. The structures of the new compounds were elucidated by spectroscopic methods.
Assuntos
Medicamentos de Ervas Chinesas/isolamento & purificação , Glicosídeos/isolamento & purificação , Lignanas/isolamento & purificação , Naftalenos/isolamento & purificação , Phyllanthus/química , Medicamentos de Ervas Chinesas/química , Glicosídeos/química , Lignanas/química , Estrutura Molecular , Naftalenos/química , Ressonância Magnética Nuclear BiomolecularRESUMO
OBJECTIVE: To study the chemical constituents of the ethyl acetate extract from Blumea aromatica. METHODS: Column chromatographic techniques were used for the isolation and purification. Spectroscopic techniques were used for the identification of structures. RESULTS: Seven compounds were isolated from the ethyl acetate extract of 80% alcohol extract of the whole plant, and their structures were identified as xanthoxylin(1), dibutyl phthalate(2), luteolin-3',4',7-trimethyl ether(3), rubiadin(4), eriodictyol(5), kaempherol(6), luteolin 7,3'-dimethyl ether(7). CONCLUSION: All the compounds are isolated from this plant for the first time. Among them, compounds 2,4 and 7 are isolated from this genus for the first time.
Assuntos
Antraquinonas/isolamento & purificação , Asteraceae/química , Dibutilftalato/isolamento & purificação , Medicamentos de Ervas Chinesas/química , Luteolina/isolamento & purificação , Acetatos , Antraquinonas/química , Cromatografia Líquida de Alta Pressão , Dibutilftalato/química , Medicamentos de Ervas Chinesas/isolamento & purificação , Glucosídeos/química , Glucosídeos/isolamento & purificação , Quempferóis/química , Quempferóis/isolamento & purificação , Luteolina/química , Estrutura Molecular , Solventes/químicaRESUMO
OBJECTIVE: To study the chemical constituents of Teyou 2 Folium Mori. METHODS: The compounds were extracted and isolated by CO2 supercritical fluid extraction, 30% alcohol extraction, macroporous resin and silica gel column chromatography and their structures were elucidated by means of melting point, TLC and spectral analyses. RESULTS: Six compounds were identified as beta-carotene (I), oleanolic acid (II), benzoic acid (III), chlorogenic acid (IV), lysine (V), gamma-aminobutyric acid (VI). CONCLUSION: Compound II and V are isolated from this plant for the first time.
