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Two new iridoid glucosides from Hedyotis diffusa
Yongyong Zhang1, Yan Chen, Chunlin Fan
1Laboratory of Bioactive Natural Products Chemistry, College of Pharmaceutical Sciences Zhejiang University, Hangzhou 310058, PR China.
Fitoterapia
|January 19, 2010
Abstract:
Two new iridoid glucosides, named diffusosides A and B, were isolated from the aerial part of Hedyotis diffusa Willd. Their structures were elucidated by 1D-, 2D-NMR spectroscopic analysis and HRESIMS. These two compounds showed no cytotoxic activity against SMMC-7721, SW480, SW620, Bel7402, and HepG2 cells.