反应详情

To a solution of (1-carbamoyl-1-methyl-ethyl)-carbamic acid tert-butyl ester (945 mg, 4.67 mmol) in dichloromethane (20 mL) was added trifluoroacetic acid (10.0 mL, 64 mmol). The reaction mixture was stirred at room temperature for 4 h. The reaction mixture was then concentrated in vacuo to afford 882 mg of the title compound as a white solid, isolated as the TFA salt, m/z 103.2 [M+1]+.

1. concentrationThe reaction mixture was then concentrated in vacuo