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Type: Artigo de evento
Title: Polar Constituents Of The Leaves Of Machaonia Brasiliensis (rubiaceae) [constituintes Polares Das Folhas De Machaonia Brasiliensis (rubiaceae)]
Author: Dos Santos A.R.
De Barros M.P.
De Oliveira Santin S.M.
Sarragiotto M.H.
De Souza M.C.
Eberlin M.N.
Meurer E.C.
Abstract: Chemical investigation of the MeOH extract of the leaves of Machaonia brasiliensis (Rubiaceae) resulted in the isolation and identification of 3β-O-β-glucopyranosyl stigmasterol, 3β-O-β-glucopyranosyl sitosterol, secologanoside, 7-O-β-glucopyranosyl quercetagetin, 4,5-O-dicaffeoylquinic acid and 5-O-caffeoylquinic acid. The structures of these compounds were established by spectroscopic analysis, including 2D NMR experiments. The chemotaxonomic relevance of the isolation of secologanoside is discussed.
Citation: Quimica Nova. , v. 27, n. 4, p. 525 - 527, 2004.
Rights: aberto
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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