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  • Title: Polyacetylene glycosides from Gymnaster koraiensis.
    Author: Park J, Min B, Jung H, Kim Y, Lee H, Bae K.
    Journal: Chem Pharm Bull (Tokyo); 2002 May; 50(5):685-7. PubMed ID: 12036032.
    Abstract:
    Two polyacetylene glycosides, gymnasterkoreasides A and B, were isolated from the roots of Gymnaster koraiensis. Their structures were elucidated to be (3R)-8-decene-4,6-diyne-1,3-diol 1-O-beta-D-glucopyraside and (3R)-8-decene-4,6-diyne-1,3-diol 1-O-beta-D-apiofuranosyl-(1-->6)-beta-D-glucopyraside on the basis of spectroscopic analysis including COSY, HMQC, and HMBC experiments, as well as chemical methods, which confirmed the determination of a chiral center by the modified Mosher's method.
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