Flavonoids from Chiococca braquiata (Rubiaceae)
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Data
2004-07-01
Autores
Lopes, Márcia Nasser [UNESP]
De Oliveira, André C. [UNESP]
Young, Maria Cláudia M.
Bolzani, Vanderlan da Silva [UNESP]
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Resumo
A new flavonol 4′-methoxykaempferol-7-(acetyloxy)-3,5-O-α-L- rhamnoside (1), was isolated from the leaves of Chiococca braquiata, along with three known flavonoids apigenin, 7-O-methoxyquercetrin and quercetrin and four triterpenes α-amirin, β-amirin, ursolic and oleanolic acids . Their structures were established on the basis of spectroscopic methods.
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Palavras-chave
Chiococca braquiata, Flavonoids, Rubiaceae, 4' methoxykaempferol 7 acetoxy 3,5 o alpha levo rhamnoside, 7 o methoxyquercetin, alpha amyrin, apigenin, beta amirin, flavonoid, oleanolic acid, quercetin, triterpene derivative, unclassified drug, ursolic acid, drug isolation, plant leaf, spectroscopy
Como citar
Journal of the Brazilian Chemical Society, v. 15, n. 4, p. 468-471, 2004.