反应详情

70 ml of 30% HBr in glacial acetic acid were added to 11 g of phenylmethyl [3-amino-2-hydroxy-3-oxo-1-(2-thienylmethyl)propyl]carbamate (29.66 mmol) in 30 ml of glacial acetic acid. After about 2 hours, the mixture was concentrated and the resulting residue was stirred firstly with cyclohexane and then with dichloromethane. 7.8 g of the title compound were obtained as hydrobromide.

1. concentrationthe mixture was concentrated