反应详情

To a solution of N-{5-[(2-amino[1,3]thiazolo[5,4-b]pyridin-5-yl)oxy]-2-methylphenyl}-3-(1-cyano-1-methylethyl)benzamide (200 mg, 0.451 mmol) produced in Example C33(iv) in N,N-dimethylformamide (4.0 mL) was added chloroacetyl chloride (50 μL, 0.631 mmol), and the mixture was stirred at room temperature for 2 hr. Chloroacetyl chloride (25 μL, 0.314 mmol) was added to the reaction mixture, and the mixture was further stirred at room temperature for 2 hr. The reaction mixture was diluted with ethyl acetate (100 mL), washed with 5% aqueous sodium hydrogen carbonate solution (100 mL) and saturated brine (100 mL), and dried over anhydrous sodium sulfate. The insoluble material was filtered off, and the filtrate was concentrated under reduced pressure to give N-[5-({2-[(chloroacetyl)amino][1,3]thiazolo[5,4-b]pyridin-5-yl}oxy)-2-methylphenyl]-3-(1-cyano-1-methylethyl)benzamide as a colorless solid.

1. stirringthe mixture was further stirred at room temperature for 2 hr
2. washwashed with 5% aqueous sodium hydrogen carbonate solution (100 mL) and saturated brine (100 mL)
3. dry with materialdried over anhydrous sodium sulfate
4. filtrationThe insoluble material was filtered off
5. concentrationthe filtrate was concentrated under reduced pressure