químicos das folhas de Qualea grandiflora: atribuição dos dados de RMN de dois flavonóides glicosilados acilados diastereoisoméricos
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Graduate program
Undergraduate course
Journal Title
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Publisher
Sociedade Brasileira de Química
Type
Article
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Acesso aberto
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Abstract
Phytochemical investigation from leaves of the Qualea grandiflora (Vochysiaceae) resulted in the isolation and identification of kaempferol-3-O-α-L-(4-E-p-coumaroyl)-rhamnoside, kaempferol-3-O-α-L-(4-Z-p-coumaroyl)-rhamnoside, squalene, phytol, lupeol, α-amyrin, β-amyrin, sitosterol, sitostenone, sitosterol-3-O-β-D-glucopyranoside, ursolic and oleanolic acids. The structures of the compounds were identified by 1D- and 2D-NMR experiments, mass and UV spectrometry and comparison with literature data.
Description
Keywords
Qualea grandiflora, Vochysiaceae, acylated kaempferol glycosids
Language
Portuguese
Citation
Química Nova. Sociedade Brasileira de Química, v. 31, n. 6, p. 1481-1484, 2008.
