Reaction #161846

Reaction equation

1-piperidin-4-yl-1,3-dihydroimidazo[4,5-b]pyridin-2-one

(2-chloro-pyridin-4-yl)-(4,5-difluoro-2,3-dihydro-indol-1-yl)-methanone

potassium carbonate

→

1-[4′-(4,5-difluoro-2,3-dihydro-indole-1-carbonyl)-3,4,5,6-tetrahydro-2H-[1,2′]bipyridinyl-4-yl]-1,3-dihydro-imidazo[4,5-b]pyridin-2-one

Solvents

NMP

Conditions

Workup

1. 1
   OtherThe reaction mixture was purified by HPLC
2. 2
   Otherfreeze-dried

Procedure

0.59 g (2.7 mmol) 1-piperidin-4-yl-1,3-dihydroimidazo[4,5-b]pyridin-2-one, 0.80 g (2.7 mmol) (2-chloro-pyridin-4-yl)-(4,5-difluoro-2,3-dihydro-indol-1-yl)-methanone and 0.39 g (2.8 mmol) potassium carbonate were stirred in 3 mL of NMP for 4 h at 130° C. The reaction mixture was purified by HPLC. The product-containing fractions were combined and freeze-dried.

Source