Các hợp chất pterocarpan phân lập từ gỗ cây cẩm lai (Dalbergia oliveri Gamble ex Prain)
Keywords:Dalbergia oliveri, pterocarpan
Three pterocarpan-type flavonoids: 3-hydroxy-8,9-methylenedioxypterocarpan (1), 3,8-dihydroxy-9-methoxypterocarpan (2), and 3-hydroxy-9-methoxypterocarpan (3) were isolated from the ethyl acetate extract of heartwood of the Dalbergia oliveri by various chromatographic experiments. Their structures were elucidated using 1D, 2D NMR spectroscopic methods and in comparison with the literature values. This is the first report of compounds 2 and 3 from D. oliveri.
Keywords: Dalbergia oliveri, pterocarpan.