Abstract: Our phytochemical studies on the root bark extracts of Mesua ferrea have led to the isolation of two new pyranoxanthones, mesuaferrin A (1) and mesuaferrin B (2). Five other compounds – caloxanthone C (3), 1,8-dihydro-3-methoxy-6-methylanthraquinone (4), β-sitosterol (5), friedelin (6) and betulinic acid (7) – were also successfully isolated. Structural elucidations of these compounds were achieved using 1D and 2D NMR and MS techniques.
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Teh, S.S.; Ee, G.C.L.; Rahmani, M.; Taufiq-Yap, Y.H.; Go, R.; Mah, S.H. Pyranoxanthones from Mesua ferrea. Molecules 2011, 16, 5647-5654.
Teh SS, Ee GCL, Rahmani M, Taufiq-Yap YH, Go R, Mah SH. Pyranoxanthones from Mesua ferrea. Molecules. 2011; 16(7):5647-5654.
Teh, Soek Sin; Ee, Gwendoline Cheng Lian; Rahmani, Mawardi; Taufiq-Yap, Yun Hin; Go, Rusea; Mah, Siau Hui. 2011. "Pyranoxanthones from Mesua ferrea." Molecules 16, no. 7: 5647-5654.