Secondary metabolites from Dipterocarpus obtusifolius Teijsm. Ex Miq

Nguyen Huu Toan Phan, Nguyen Thi Dieu Thuan, Pham Thi Mai Huong, Tran Thi Hong Hanh, Nguyen Xuan Cuong, Nguyen Hoai Nam, Nguyen Van Thanh, Chau Van Minh


Six known compounds daphneresinol (1), (+)-neo-olivil (2), methyl gallate (3), bergenin (4), asiatic acid (5) and blumenol A (6) were obtained from the organic extract of the leaves of Dipterocarpus obtusifolius Teijsm. Ex Miq. by various chromatographic techniques. Structural elucidation of the metabolites was carried out by analysis of their spectroscopic data and by comparison with those reported in the literature. Compounds 1-4 and 6 were isolated from this plant for the first time.


Dipterocarpus obtusifolius, Dipterocarpaceae, secondary metabolite

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