反应详情

To (1,1-Dimethyl-4-nitro-butyl)-carbamic acid tert-butyl ester (1.0 g, 4.0 mmol) in 25 mL CH2Cl2 at −10° C. was added 2.5 mL TFA. The mixture was warmed to rt and monitored by TLC. When judged complete by TLC analysis, the mixture was concentrated to give the 518 mg (88%) of the title compound as an orange oil: mass spectrum m/e=147 (M+1).

1. concentrationthe mixture was concentrated