Triethylamine → 1-{6-[4-(2-oxo-2,3-dihydroimidazo[4,5-b]pyridin-1-yl)-piperidin-1-yl]-pyrimidine-4-carbonyl}-2,3-dihydro-1H-indole-2-carboxylic acid

Participants

Reaction Steps

107 mg (0.31 mmol) 6-[4-(2-oxo-2,3-dihydroimidazo[4,5-b]pyridin-1-yl)-piperidin-1-yl]-pyrimidine-4-carboxylic acid, 65.0 mg (0.40 mmol) 2,3-dihydro-1H-indole-2-carboxylic acid, 107.0 mg (0.33 mmol) TBTU and 100 μL (0.71 mmol) triethylamine in 10 mL DMF were stirred overnight at RT. The mixture was evaporated down i. vac. and the residue was dissolved in 5 mL DMF. The purification was carried out by preparative HPLC. The product fractions were combined and lyophilised.

Provenance & Evidence