Diisopropylethylamine → 1-(2-((2-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-5-fluoropyrimidin-4-ylamino)methyl)-4,4-difluoropiperidin-1-yl)-3-methoxypropan-1-one

Participants

Reaction Steps

To a solution of 2-(5-chloro-1H-pyrrolo[2,3-b]pyridin-3-yl)-N-[(4,4-difluoro-2-piperidyl)methyl]-5-fluoro-pyrimidin-4-amine, 13k, (0.086 g, 0.198 mmol) in CH2Cl2 (1 mL), DMF (0.5 mL) and iPr2NEt (0.10 mL, 0.57 mmol) was added 3-methoxypropanoyl chloride (2.43 g, 0.20 mmol). The reaction mixture was stirred at room temperature for 17 hours. All volatiles were removed at reduced pressure and the residue was purified via silica gel chromatography to give a mixture enriched in desired product, 13, which was repurified via preparatory HPLC.

Provenance & Evidence