Sodium borohydride → 1-(2,2-Difluorobenzo[d][1,3]dioxol-5-yl)-n-(6-(1-(2-hydroxyethyl)-5-methyl-2-oxo-1,2-dihydropyridin-3-yl)-5-methylpyridin-2-yl)cyclopropanecarboxamide

Participants

Reaction Conditions

Reaction Steps

To a solution of methyl 2-(3-(6-(1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-3-methylpyridin-2-yl)-5-methyl-2-oxopyridin-1(2H)-yl)acetate (17 mg, 0.034 mmol) in THF (1.6 mL) was added NaBH4 (7 mg, 0.17 mmol) and stirred at 50° C. for 3 hours and 15 minutes. The reaction was filtered using ethyl acetate and the solvent was evaporated under reduced pressure. The crude product was purified by column chromatography on silica gel (0-100% ethyl acetate in hexane) to yield 1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)-N-(6-(1-(2-hydroxyethyl)-5-methyl-2-oxo-1,2-dihydropyridin-3-yl)-5-methylpyridin-2-yl)cyclopropanecarboxamide as a white solid (5.5 g, 33.6%). ESI-MS m/z calc. 483.46. found 484.5 (M+1)+, retention time 1.49 minutes

Provenance & Evidence