Planta Med 1990; 56(1): 98-100
DOI: 10.1055/s-2006-960896

© Georg Thieme Verlag Stuttgart · New York

Structure of Tripterygic Acid A: A New Triterpene of Tripterygium wilfordii

Dong-Ming Zhang, De-Quan Yu
  • Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050, People's Republic of China
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Publication History


Publication Date:
05 January 2007 (online)


From roots of Tripterygium wilfordii used in Chinese folk medicine, a new ursane-triterpene named tripterygic acid A was isolated along with a known triterpene and their structures were elucidated by means of spectral analysis and chemical transformation.