Water → 3-[3-(5-bromopyrimidin-2-yl)benzyl]-5-trifluoromethyl-3H-benzothiazol-2-one

Participants

Reaction Conditions

Reaction Steps

1 g (4.56 mmol) of 5-trifluoromethyl-3H-benzothiazol-2-one, 1.3 g (4.56 mmol) of 5-bromo-2-(3-chloromethylphenyl)pyrimidine and 4.5 g (13.69 mmol) of caesium carbonates are suspended in 15 ml of DMF and stirred at room temperature for 15 h and at 80° C. for 3 h. The suspension is added to water, and the precipitate is filtered off with suction, washed with methanol and dried in vacuo, giving beige crystals; HPLC: Rt.=3.72 min (method A);

Provenance & Evidence