Cesium carbonate → ({2-[4-(5-Chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-[tetrahydro-2H-pyran-2-yl]propanoyl}amino)benzoic acid

Participants

Reaction Steps

1.24 g (2.25 mmol) of methyl ({2-[4-(5-chloro-2-cyanophenyl)-5-methoxy-2-oxopyridin-1(2H)-yl]-3-[tetrahydro-2H-pyran-2-yl]propanoyl}amino)benzoate (mixture of racemic diastereomers) in 30 ml of methanol/water (4/1) were reacted with 1.47 g (4.51 mmol) of caesium carbonate according to General Method 4. Yield: 1.17 g (85% of theory)

Provenance & Evidence