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Phenolic Compounds from Acer tegmentosum Bark  

Kwon, Dong-Joo (Dept. of Wood Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University)
Bae, Young-Soo (Dept. of Wood Science & Engineering, College of Forest and Environmental Sciences, Kangwon National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.35, no.6, 2007 , pp. 145-151 More about this Journal
Abstract
To investigate the chemical constituents of Acer tegmentosum, the bark were collected, air-dried and extracted with 70% aqueous acetone. Then it was successively partitioned with n-hexane, $CH_2Cl_2$, EtOAc and $H_2O$. Repeated Sephadex LH-20 column chromatography on the EtOAc soluble fraction gave five phenolic compounds. Their structures were elucidated as (+)-catechin (1), (-)-epi-catechin (2), Q-epicatechin-3-O-gallate (3), gallic acid (4) and 6'-0-galloylsalidroside (5) on the basis of spectroscopic evidences using $^1H-NMR$, $^{13}C-NMR$, 2D-NMR and MS spectroscopy, (-)-epicatechin-3-Ogallate (3), gallic acid (4), 6'-Ogalloylsalidroside (5) have not been reported in this plant yet.
Keywords
phenolic compounds; Acer tegmentosum; NMR; sephades LH-20;
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Times Cited By KSCI : 5  (Citation Analysis)
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