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Two new iridoid glycosides from Hedyotis diffusa
Juan Wu1, Zhu-Jun Ye1, Li-Juan Yu2
1Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.
Abstract:
Two new iridoid glycosides, named productasperulosidic acid butyl ester (1) and E-6-O-3-hydroxy-p-methoxycinnamoyl scandoside methyl ester (2), along with nine known ones (3-11), were isolated from Hedyotis diffusa Willd. The structures of them were elucidated by extensive 1D, 2D NMR and HR-ESI-MS spectral data. Compounds 1-11 showed no significant cytotoxic activity against HeLa cells.
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