Yao xue xue bao = Acta pharmaceutica Sinica 2003-Jul
[Studies on the chemical constituents of Dendrobium fimbriatum].
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OBJECTIVE
To investigate the chemical constituents of Dendrobium fimbriatum Hook.
METHODS
Various chromatographic techniques were employed for isolation and purification of the constituents. The structures were elucidated by IR, MS, 1HNMR, 13CNMR and 2D-NMR.
RESULTS
Eight compounds were obtained and identified by spectral analysis as fimbriatone, confusarin, crepidatin, physcion, rhein, ayapin, scopolin methyl ether and n-octacostyl ferulate.
CONCLUSIONS
Fimbriatone is a new compound, physcion and rhein are firstly isolated from Genus Dendrobium. The others are found from this species for the first time. Fimbriatone showed potential inhibitory effects on BGC cell line.
