Chemical Constituent of Swertia angustifolia Buch.II

Abstract

Abstract:

Objective: To explore the chemical constituents of Swertia angustifolia Buch. Methods: Compounds were separated and
purified by silica gel and Sephadex LH- 20 column chromatography and their structures were elucidated on the basis of
physicochemical properties and spectral analysis. Results: Seven monomeric compounds were obtained from ethyl acetate extract of S.
angustifolia, which were characterized to be vanillic acid（1）, 1,3,8-trihydroxy-5-methoxy xanthone（2）, 5, 7, 4′-trihydroxy flavanone
（3）, 1-Hydroxy-3, 5, 6-trimethoxy xanthone（4）, methyl -3, 4-dihydroxy benzoate（5）, diisobutyl-phthalate（6）, methyl-bellidifolin
（7）. Conclusion: All seven compounds were obtained from S. angusifolia for the first time .

Key words: Swertia angustifolia Buch. , chemical constituents, separation study

CLC Number:

R284

Chu Qiao , Xia Conglong. Chemical Constituent of Swertia angustifolia Buch.II[J]. J4, 2016, 1(4): 14-16.

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