PHÂN LẬP VÀ ĐỊNH DANH MỘT SỐ HỢP CHẤT TỪ THÂN CÂY MAI VÀNG (Ochna integerrima (LOUR.) MERR.)

Tóm tắt

From the stem of Ochna integerrima collected in Ben Tre province, three compounds have been isolated
and identified as (-)-syringaresinol (1), acid 16, 17-dihydroxy-ent-kauran-19-oic (2) and daucosterol (3).
The chemical structures of these compounds were determined by using on modern spectral analysis (1DNMR, 2D-NMR and HR ESI-MS) and comparison with reliable published data. Among them, compounds
(1) and (2) were isolated from this species for the first time.