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Rev. bras. farmacogn ; 16(2): 164-169, abr.-jun. 2006. ilus, tab
Article in Portuguese | LILACS | ID: lil-570974

ABSTRACT

Do extrato diclorometano do caule de Almeidea coerulea (Nees & Mart.) A. St.-Hil. foi isolado um triterpeno o 20-hidroxi-diidrolupeol (1), e do extrato metanólico foram isolados os alcalóides dictamina (2) e eskimianina (3), além de uma mistura dos esteróides sitosterol (4) e estigmasterol (5). A identificção substâncias foi realizada pela análise dos espectros de Massas, RMN ¹H, RMN 13C, HSQC, HMBC, e por comparação com dados da literatura.


From the dichloromethane extract of Almeidea coerulea stem one triterpene, 20-hydroxy-dihydrolupeol was isolated (1) and from the methanol extract the known alkaloids dictamnine (2) and skimmianine (3), as well the steroids sitosterol (4) and stigmasterol (5). The identification of these compounds was performed on the basis of spectroscopic analyses (MS, ¹H NMR, 13C NMR, HSQC and HMBC) as well as comparison with literature data.

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