Artículos de revistas
químicos das folhas de Qualea grandiflora: atribuição dos dados de RMN de dois flavonóides glicosilados acilados diastereoisoméricos
Fecha
2008-01-01Registro en:
Química Nova. Sociedade Brasileira de Química, v. 31, n. 6, p. 1481-1484, 2008.
0100-4042
10.1590/S0100-40422008000600038
S0100-40422008000600038
WOS:000259796500038
S0100-40422008000600038.pdf
2518006820764120
Autor
Universidade Federal do Piauí (UFPI)
Universidade Estadual Paulista (Unesp)
Institución
Resumen
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.