[Chemical constituents of Cyanotis arachnoidea].
OBJECTIVE
To investigate the chemical constituents of Cyanotis arachnoidea.


METHODS
By using chromatographic methods for separation and combination with spectral analysis, their chemical structures were determined.


RESULTS
Six compounds were identified as ajugasterone C-20, 22-acetonide (1), 20-hydroxyecdysone-20, 22-acetonide (2), 22-oxo-ajugasterone C (3), 22-oxo-20-hydroxyecdysone (4), beta-sitosterol (5), daucosterol (6).


CONCLUSIONS
Compound 3 is a new compound, 4 was a new natural compound.
Tan
Cheng-yu
CY
Natural Products and Glycoconjugate Research Group, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China. tanchyu@sina.com
Wang
Jin-hui
JH
Li
Xian
X
Du
Yu-guang
YG
Bai
Xue-fang
XF
D034821:Commelinaceae / Q000737:chemistry*; D004440:Ecdysone / Q000031:analogs & derivatives / Q000737:chemistry / Q000302:isolation & purification*; D004441:Ecdysterone / Q000031:analogs & derivatives / Q000737:chemistry / Q000302:isolation & purification*; D015394:Molecular Structure; D010946:Plants, Medicinal / Q000737:chemistry*; D012855:Sitosterols / Q000737:chemistry / Q000302:isolation & purification
C488558:22-oxo-20-hydroxyecdysone; C488557:22-oxo-ajugasterone C; D012855:Sitosterols; D004440:Ecdysone; D004441:Ecdysterone; C025473:gamma-sitosterol