Water → HCID 69439418, compound

Participants

Reaction Steps

The solution of 100 mg of 1-{2-[3-(2-chloro-4,5-difluorobenzoyl)ureido]-4-fluoro-phenyl}piperidine-4-carboxylic acid in 8 ml of isopropanol at 60° C. is admixed with the equimolar amount of 2N sodium hydroxide solution and, after the addition of 20 ml of water, cooled slowly with stirring. The precipitated product is filtered off with suction, washed with isopropanol and water and dried under reduced pressure.

Provenance & Evidence