Pyridine → HCID 136375759, compound

Participants

Reaction Steps

To a mixture of 4-{[2-(isopropylsulfonyl)phenyl]amino}-6-oxo-2-(piperidin-3-ylamino)-1,6-dihydropyrimidine-5-carboxamide dihydrochloride (Example 29) (67 mg) and pyridine (1.3 mL), mesyl chloride (0.10 mL) was added under ice cooling and stirred for 1 hour. After ethanol was added to the reaction system, the reaction system was concentrated. The resulting residue was partitioned using chloroform and saturated aqueous sodium hydrogen carbonate, and the organic layer was dried. The organic layer was concentrated, followed by an azeotropic process with toluene. The resulting residue was solidified with ethyl acetate-hexane. The resulting solid was recrystallized from ethanol to give 4-{[2-(isopropylsulfonyl)phenyl]amino}-2-{[1-(methylsulfonyl)piperidin-3-yl]amino}-6-oxo-1,6-dihydropyrimidine-5-carboxamide (43 mg).

Provenance & Evidence