10.1021/np200100a.s002 Victoria L. Challinor Victoria L. Challinor Julia M. U. Stuthe Julia M. U. Stuthe Paul V. Bernhardt Paul V. Bernhardt Reginald P. Lehmann Reginald P. Lehmann William Kitching William Kitching James J. De Voss James J. De Voss Structure and Absolute Configuration of Helosides A and B, New Saponins from <i>Chamaelirium luteum</i> American Chemical Society 2011 helogenin steroidal saponins crystallography configuration Chamaelirium luteumInvestigation chemical degradation Heloside heloside Chamaelirium luteum roots NMR isolation aglycone New Saponins Absolute Configuration 2011-07-22 00:00:00 Dataset https://acs.figshare.com/articles/dataset/Structure_and_Absolute_Configuration_of_Helosides_A_and_B_New_Saponins_from_i_Chamaelirium_luteum_i_/2629078 Investigation of <i>Chamaelirium luteum</i> roots led to the isolation of two new steroidal saponins, helosides A (<b>1</b>) and B (<b>2</b>), that contain a previously unreported aglycone, helogenin (<b>3</b>). Their structures and absolute configuration were elucidated through MS-MS, NMR, chemical degradation, and X-ray crystallography.