反应详情

温度

0 °C

To a solution of 1,1-dimethylethyl 4-[({[2-(trifluoromethyl)phenyl]methyl}amino)-carbonyl]-1-piperidinecarboxylate and CH2Cl2 (180 ml) at 0° C., a premixed solution of CH2Cl2 and TFA (180 ml) was added. The reaction mixture was stirred at 0° C. for 10 min and at room temperature for 2 h. The solvents were removed under reduced pressure to afford 11.9 g of the title compound. MS (ES+): m/e 287.9 [M+H]+.

1. customThe solvents were removed under reduced pressure