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Type: Artigo de periódico
Title: Steroids And Triterpenes From Eleocharis Acutangula And E. Sellowiana (cyperaceae)
Author: Amaral M.C.E.
Faria A.D.
Magalhaes A.F.
Magalhaes E.G.
Ruiz A.L.T.G.
Abstract: From the hexane extract of the underground parts of Eleocharis acutangula (Roxb.) Schult., lup-20(29)-ene-3β,16β-diol and a mixture of campesterol, stigmasterol and sitosterol were isolated. The hexane extracts of aerial and underground parts of E. sellowiana Kunth furnished two new substances, namely neohop-13(18)-en-3α-ol and stigmast-22-en-3β,6β,9α-triol, together with a mixture of steroids, betulinic acid, stigmast-4-en-6β-ol-3-one and fern-9(11)-en-3α-ol. The molecular structures were determined by spectral analysis (1D- and 2D-NMR experiments and MS) and comparison with literature data. Copyright © 2004 John Wiley & Sons, Ltd.
Citation: Phytochemical Analysis. , v. 15, n. 2, p. 125 - 129, 2004.
Rights: fechado
Identifier DOI: 10.1002/pca.757
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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