J Integr Plant Biol. ›› 1994, Vol. 36 ›› Issue (2): -.

• Research Articles •    

Studies on Triterpenoid Constituents Isolated from the Roots of Sabia schumanniana

Yuan Xiao, Wang Guo-liang and Gong Fu-jun   

Abstract: Five triterpenoids were isolated from the roots of Sabia schurnanniana Diels. Based on their physical constants, UV. IR, 1H-NMR, 13C-NMR, DEPT spectroscopic analysis and preparation of their derivatives, they were identified as 3-oxo-olean-ll, 13 (18)-diene (1), 3, 1 1-dioxo-olean- 12-ene (2), 3β -hydroxy-olean- 11, 13 (1 8) -diene (3), 3-oxo, 11 α-hydroxy-olean-12-ene (4), 3, 11α-dihydroxy-olean-12-ene (5) . Compound 4 is a new compound. Their 13C-NMR spectra have been signified by means of DEPT analysis.

Key words: Sabia schumanniana, Triterpenoids, 3-oxo, 11α-hydroxy-olean-12-ene

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