Supported by the Program for New Century Excellent Talents in University, China(No.NCET-09-0589) ;China Postdoc-toral Science Foundation(No. 20090450775)
A new spirostanol sulfonate, spirost-5,25(27)-dien-1β,3β-diol 1-sulfonate(1), was isolated from the rhizomes of Helleborus thibetanus(Ranunculaceae), and the structure was identified on the basis of a detailed...