HCID 67115761, 화합물 → acetic acid (2R,3R,4R,5S,6S)-3,4,5-triacetoxy-6-[3-(3-amino-4-hydroxy-benzyl)-4-chloro-phenyl]-tetrahydro-pyran-2-ylmethyl ester

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To a stirred solution of acetic acid (2R,3R,4R,5S,6S)-3,4,5-triacetoxy-6-[4-chloro-3-(4-hydroxy-3-nitro-benzyl)-phenyl]-tetrahydro-pyran-2-ylmethyl ester (1.71 g, 2.9 mmol) in glacial acetic acid (15 mL) was added iron powder (3.22 g, 57.7 mmol). After stirring at 60° C. for 15 min, the reaction mixture was filtered through a celite bed. The filtrate was concentrated under reduced pressure, and the resulting residue was taken up in ethyl acetate and the solution was washed with water, saturated aqueous sodium bicarbonate solution, and brine. The organic layer was dried over anhydrous sodium sulfate and concentrated to a residue which was purified by silica gel column chromatography to furnish acetic acid (2R,3R,4R,5S,6S)-3,4,5-triacetoxy-6-[3-(3-amino-4-hydroxy-benzyl)-4-chloro-phenyl]-tetrahydro-pyran-2-ylmethyl ester (1.3 g)

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