Article

[Chemical constituents about the stem of Rabdosia excisa].

College of Pharmacy, Zhengzhou University, Zhengzhou 450052, China.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica 07/2011; 36(13):1772-5. pp.1772-5
Source: PubMed

ABSTRACT To investigate the constituents of the stem of Rabdosia excisa.
Compounds were separated and purified by silica gel column chromatography and their structures were determined by spectroscopic method.
Thirteen compounds isolated from this plant were identified as rabdesimte( 1 ), maoyecrystal E (2), 6beta,11alpha,15alpha-trihydroxy-6,7-seco-6,20-epoxy-1alpha, 7-ol-ide-ent-kaur-16-en (3), enmenol-glucoside (4), oridonol (5), macrocalyxin G (6), rabdosichuanin C (7), beta-sitosterol (8), ursolic acid (9), 2alpha-hydroxyursolic acid (10), maslinic acid ( 11 ), 2alpha,3alpha,19-trihydroxy-urs-12-en-28-oicacid (12), and daucosterol (13).
Except for compounds 5, 8, 9 and 13, the remaining compounds were found in R. excisa for the first time.

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Keywords

7-ol-ide-ent-kaur-16-en
 
beta-sitosterol
 
compounds
 
compounds 5
 
enmenol-glucoside
 
macrocalyxin G
 
oridonol
 
purified
 
R. excisa
 
remaining compounds
 
silica gel column chromatography