The Truth about False Unicorn (Chamaelirium luteum): Total Synthesis of 23R,24S-Chiograsterol B Defines the Structure and Stereochemistry of the Major Saponins from this Medicinal Herb
作者:Nicholas J. Matovic、Julia M. U. Stuthe、Victoria L. Challinor、Paul V. Bernhardt、Reginald P. Lehmann、William Kitching、James J. De Voss
DOI:10.1002/chem.201100503
日期:2011.6.27
Chamaelirium luteum is used in traditional medicine systems and commercial botanical dietary supplements for the treatment of female reproductive health problems. Despite the wide use of this herb, only very limited phytochemical characterisation is available. Our investigation of C. luteum roots led to the isolation of two new steroidal saponins 1 and 2 that contain an unusual aglycone 3. The absolute