Sodium borohydride → [3-(6,7-Dimethoxy-quinolin-4-yloxy)-6-methyl-pyridin-2-yl]-phenyl-methanol

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Reaction Steps

[3-(6,7-Dimethoxy-quinolin-4-yloxy)-6-methyl-pyridin-2-yl]-phenyl-methanone (55 mg) (compound 220) was dissolved in methanol (3 ml) to prepare a solution. Sodium borohydride (26 mg) was added to the solution at 0° C., and the mixture was stirred at room temperature for 2 hr. The solvent was removed by distillation under the reduced pressure, water was added to the residue, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was then washed with saturated brine and was dried over anhydrous sodium sulfate. The solvent was removed by distillation under the reduced pressure, and the residue was purified by thin layer chromatography using chloroform-acetone to give the title compound (52 mg, yield 92%).

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