Abstract
Aim To study the chemical constituents of Derris elliptica (Roxb.) Benth. Methods The chemical constituents were isolated by various chromatographic methods, and the chemical structures were elucidated on the basis of spectral analysis. Results Seven rotenoids were obtained and their structures were identified as 7′-hydroxy-6a, 12a-dehydrodeguelin ( 1), 6-hydroxy-6a, 12a-dehydrodeguelin ( 2), (6a R, 12a R, 4′ R, 5′ S)-4′, 5′-dihydro-4′, 5′-dihydroxytephrosin ( 3), 6′-hydroxy-6a, 12a- dehydrorotenone ( 4), (-)-rotoic acid ( 5), (-)-deguoic acid ( 6), 12-deoxo-12 α-acetoxyelliptone ( 7). Conclusions Compound 1 is a new compound, compounds 2-6 were isolated from this genus for the first time, and compound 7 was isolated from Derris elliptica (Roxb.) Benth. for the first time.
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