Acta Chimica Sinica ›› 1959, Vol. 25 ›› Issue (3): 179-181. Previous Articles    

中药旋复花化学成分的研究Ⅱ.——旋复花固醇甲即 Taraxasterol

朱任宏, 杨保津   

  1. 中国科学院药物研究所
  • 收稿日期:1959-03-16 出版日期:1959-06-15 发布日期:2013-06-03

THE CONSTITUENTS OF THE CHINESE DRUG HSUAN-FU-HWA,INULA CHINESIS.——Ⅱ.IDENTIFICATION OF INUSTEROL A AS TARAXASTEROL

CHU JEN-HUNG, YOUNG PAO-TSIN   

  1. Institute of Materia Medica, Academia Sinica, Shanghai
  • Received:1959-03-16 Online:1959-06-15 Published:2013-06-03

Inustcrol A,isolated previously by one of us (Chu) from the Chinese drug,fIsuan-h}u-IIwa,Inula chinesis,has beon proved to bo identical with taraxasterol by comparison of the physical constants of tho paront compound,its dorivatives (acetate,benzoato,p-nitrobonzoate),and its acid isomerization product and derivatwos (acetate and benzoate) with the cormsponding derivatives of tarwastcrol and of ψ-taraxasteral respectively,as well as by a direct melting point comparison of the acotate with an authentic sample of taraxasterol acetate.