[Cl:1][C:2]1[CH:19]=[CH:18][C:17]([C@H:20]2[C@H:25]([OH:26])[C@@H:24]([OH:27])[C@H:23]([OH:28])[C@@H:22]([CH2:29][OH:30])[O:21]2)=[CH:16][C:3]=1[CH2:4][C:5]1[CH:6]=[C:7]2[C:12](=[CH:13][CH:14]=1)[O:11][CH:10]=[CH:9][C:8]2=[O:15].CO>C(OCC)(=O)C.[Pd]>[Cl:1][C:2]1[CH:19]=[CH:18][C:17]([C@H:20]2[C@H:25]([OH:26])[C@@H:24]([OH:27])[C@H:23]([OH:28])[C@@H:22]([CH2:29][OH:30])[O:21]2)=[CH:16][C:3]=1[CH2:4][C:5]1[CH:6]=[C:7]2[C:12](=[CH:13][CH:14]=1)[O:11][CH2:10][CH2:9][C:8]2=[O:15]To a stirred solution of 6-[2-chloro-5-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yl)-benzyl]-chromen-4-one (0.10 g, 0.2315 mmol) in ethyl acetate (2.5 mL) was added 10% Palladium on C (20 mg, 20% w/w) followed by methanol (2.5 mL). After stirring for 18 h under hydrogen atmosphere, the reaction mixture was filtered through celite and concentrated to furnish the crude product, which was further purified by Preparative HPLC to yield the title compound (41 mg)
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