Water → HCID 15766688, compound

Participants

Reaction Steps

To a solution of 1-[3-sec-butyl-6-fluoro-2 (3H)benzothiazolon-5-yl]-4-trifluoromethyl-1,2,3,6-tetrahydropyrimidine-2,6-dione (2.0 g) in dimethylformamide (10 g), methyl iodide (0.5 g) and potassium carbonate (1.6 g) were added, and the resultant mixture was heated at 40° to 80° C. for 3 hours. After completion of the reaction, the reaction mixture was poured into water, and the precipitated crystals were collected by filtraction, washed and dried. The residue was purified by column chromatography to give 1-[3-sec-butyl-6-fluoro-2(3H) -benzothiazolon-5-yl]-3-metyl -4-trifluoromethyl-1,2,3,6-tetrahydropyrimidine-2,6-dione (1.0 g ).

Provenance & Evidence