Plant Diversity ›› 1981, Vol. 3 ›› Issue (03): 1-3.

• Articles •    

THE STRUCTURES OF TENACIGENIN A,B AND C MEMORY OF PROFESSOR TSAI XI-TAU

Yang Ren-zhou Yang Tsung-ren Zhou Jun   

  1. Kunmming Institute of Botany,Academia sinica
  • Online:1981-06-25 Published:1981-06-25

Abstract: Marsdenia tenacissima (Roxb.) Wight et Arn. (Chinese name: Tongguang-teng) is a folk medicine for treating trachitis and antitumor in Yunnan. From the crude glucosides of th steme we isolated three new C21-steroidal compounds: tenaci- genin A(1 ), B (2 ) and C (3 ) by treatment with acid and base.

Key words: structures , tenacigenin A, tenacigenin B, tenacigenin C