O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate → 1-{1-[6-(5-Fluoro-3-methyl-2,3-dihydro-indole-1-carbonyl)-pyrimidin-4-yl]-piperidin-4-yl}-1,3-dihydro-imidazo[4,5-b]pyridin-2-one

Participants

Reaction Steps

80 mg (0.24 mmol) 6-[4-(2-oxo-2,3-dihydro-imidazo[4,5-b]pyridin-1-yl)-piperidin-1-yl]-pyrimidine-4-carboxylic acid, 36 mg (0.24 mmol) 5-fluoro-3-methyl-2,3-dihydro-1H-indole, 70 μL (0.5 mmol) TEA and 90 mg (0.28 mmol) TBTU were stirred in 1.8 mL DMF overnight at RT. The reaction mixture was purified by HPLC. The product-containing fractions were combined and freeze-dried.

Provenance & Evidence