Plant Diversity ›› 1988, Vol. 10 ›› Issue (04): 1-3.

• Articles •    


Liu Chenjiang, Zhao Zhihong, Wang Qinduan,Sun Handong, Lin Zhongwen   

  1. Henan Medical Institute, Zhengzhou;Kunming Institute of Botany, Academia Sinica, Kunming
  • Online:1988-08-25 Published:1988-08-25

Abstract: Abstract A new antineoplastic diterpenoid, glaucocalyxin C (.C20[C20H30O4, mp 272-273°C, [α]29/D-109 (C=0.1, MeOH )], was isolated from the leaves of Rabdosia japonica (Burm. f.) Hara var. glaucocalyx (Maxim.) Hara (Labia-tae) collected Beijing area and the structure has been shown to be that in the ent-7β, 14α, 15 α-trihydroxy-16-kauren-3-one (1) from spectral and chemical evi-dence. Two known ent-kaurenoids, glaucocalyxin A (2) and B ( 3 ) were also isolated from the same plant.

Key words: Diterpenoid