J Integr Plant Biol. ›› 1993, Vol. 35 ›› Issue (2): -.

• Research Articles •    

Studies on the Chemical Compositions of Isodon nervosus

Xu Mei-juan,Cheng Pei-yuan,Tang Mai,Wang Zhi-min,Xia Yue-jin and Ji Jiang   

Abstract: Additional two compounds have been isolated from the stems and leaves of Isodon nervosus (Hemsl.) Kudo. On the basis of spectral analysis combined with preparation of derivative, compound 4 was identified as em-lα, 6β, 7β, llα, 15β-pentahydroxy-7α, 20-epoxykaur-16- ene(nervosin D). It was a new diterpenoid derived from nature plant for the first time. Compound 8 was identified as 2α-hydroxy ursolic acid. It was a known compound obtained for the first time.

Key words: lsodon nervosus, Nervosin D, 2α-hydroxy ursolic acid, Diterpenoid

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