Artículos de revistas
Xanthones and flavonoids from Leiothrix curvifolia and Leiothrix flavescens
Fecha
2001-04-01Registro en:
Phytochemistry. Oxford: Pergamon-Elsevier B.V., v. 56, n. 8, p. 853-856, 2001.
0031-9422
10.1016/S0031-9422(00)00480-5
WOS:000168110100013
7927877224326837
0000-0003-3032-2556
Autor
Universidade Estadual Paulista (Unesp)
Univ Salerno
Institución
Resumen
8-Carboxymethyl-1,6-dihydroxy-3,5-dimethoxyxanthone 8-carboxymethyl-1,5,6-trihydroxy-3-methoxyxanthone and 8-carboxy-methyl-1,3,5,6-tetrahydroxyxanthone were isolated from the capitula of Leiothrix curvifolia and Leiothrix flavescens and characterized by spectroscopic methods, mainly 1D and 2D NMR experiments, as well as by electrospray mass spectrometry. Eight known flavonoids were also isolated and they were identified by 1D and 2D NMR experiments and comparison with literature data. (C) 2001 Elsevier B.V. Ltd. All rights reserved.