Wang Xiao-Dong, Jia Wei, Gao Wen-Yuan, Zhang Rong, Zhang Yan-Wen, Zhang Jun, Takaishi Yoshihisa, Duan Hong-Quan
College of Pharmaceuticals and Biotechnology, Tianjin University, Tianjin, 300072, China.
J Asian Nat Prod Res. 2005 Oct;7(5):755-9. doi: 10.1080/1028602042000325618.
Two new sesquiterpene alkaloids, 1beta-hydroxy-2beta,5alpha,11-triacetoxy-7beta-nicotinoyl-8beta-benzoyl-dihydroagarofuran, and 1beta,5alpha,11-triacetoxy-7beta-nicotinoyl-8beta-benzoyl-dihydroagarofuran were isolated from the xylem of Tripterygium wilfordii, together with six known compounds. Their structures were elucidated on the basis of spectroscopic studies.