反应详情

To a solution of di-tert.-butyl-N-(4-(tert-butoxycarbonylamino)-2-nitrobenzamido)-L-glutamate in 53 ml dichloromethane were added 53 ml of trifluoroacetic acid at 0° C. under argon. After 1 hour at room temperature the mixture was concentrated to dryness to give 3.54 g of N-(4-amino-2-nitrobenzamido)-L-glutamic acid as a yellow foam.

1. concentrationAfter 1 hour at room temperature the mixture was concentrated to dryness