Dimethylformamide → HCID 131731381, compound

Participants

Reaction Steps

1-Acetylpiperidine-4-carboxylic acid (161 mg) was mixed with dichloromethane (5 ml), and oxalyl chloride (124 mg) and DMF (3 mg) were added thereto, followed by stirring at room temperature for 1 hour. TEA and 3-(2-aminopyrimidin-5-yl)-2-fluorobenzaldehyde (170 mg) were added thereto at 0° C., followed by stirring at room temperature overnight. A mixture of 1-acetylpiperidine-4-carboxylic acid (161 mg), oxalyl chloride (0.084 ml), and DMF in dichloromethane (3 ml), which is mixed in advance and was stirred for 1 hour, was added thereto at 0° C., followed by stirring at room temperature for 3 hours. Furthermore, a mixture of 1-acetylpiperidine-4-carboxylic acid (161 mg), oxalyl chloride (0.084 ml), and DMF in dichloromethane (3 ml), after mixing with the reaction mixture in advance, and then stirring for 1 hour, was added thereto at 0° C., followed by stirring at room temperature overnight. Furthermore, a mixture of 1-acetylpiperidine-4-carboxylic acid (322 mg), oxalyl chloride (0.168 ml), and DMF in dichloromethane (6 ml) which is mixed in advance and was stirred for 1 hour, was added thereto at 0° C., followed by stirring at room temperature for 3 hours. Furthermore, a mixture of 1-acetylpiperidine-4-carboxylic acid (322 mg), oxalyl chloride (0.168 ml), and DMF in dichloromethane (6 ml) which is mixed in advance and was stirred for 1 hour, was added thereto at 0° C., followed by stirring at room temperature overnight. CHCl3 and water were added to the reaction mixture, and the insoluble matter was removed by filtration. The organic layer was washed with water and saturated brine, dried over Na2SO4, and then concentrated under reduced pressure. The obtained residue was mixed with MeOH, and NaHCO3 was added thereto, followed by stirring at room temperature overnight. The reaction mixture was concentrated under reduced pressure, and the residue was purified by silica gel column chromatography (MeOH/CHCl3) to obtain 1-acetyl-N-[5-(2-fluoro-3-formylphenyl)pyrimidin-2-yl]piperidine-4-carboxyamide (363 mg).

Provenance & Evidence