Structure of Tripterygic Acid A: A New Triterpene of Tripterygium wilfordii.
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.
Zhang
D M
DM
Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing 100050, People's Republic of China.
Yu
D Q
DQ