Chemical constituents of Cyanotis arachnoidea / 药学学报

ABSTRACT

<p><b>AIM</b>To investigate the chemical constituents of Cyanotis arachnoidea.</p><p><b>METHODS</b>By using chromatographic methods for separation and combination with spectral analysis, their chemical structures were determined.</p><p><b>RESULTS</b>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).</p><p><b>CONCLUSION</b>Compound 3 is a new compound, 4 was a new natural compound.</p>