A New Hasubanan Alkaloid from Stephania hernandifolia / 中草药·英文版

Objective: To study the chemical constituents of Stephania hernandifolia. Methods: Various chromatographic techniques were used to isolate the constituents, and the structures were elucidated on the basis of HR-EI-MS, 1D-NMR and 2D-NMR spectral analyses. Results: A hasubanan alkaloid, hernsubanine D (1) was isolated from the whole plants of S. hernandifolia. The compound was screened for the cytotoxic activity against two human cancer cell lines in vitro. Conclusion: Compound 1 is a new compound without cytotoxicity against A549 and K562 cells. © 2014 Tianjin Press of Chinese Herbal Medicines.