反应详情

A solution of 3-acetylsulfanyl-2-(6-tert-butoxycarbonylamino-pyridin-3-ylmethyl)-butyric acid ethyl ester/A (45 mg; 0.11 mmol) in concentrated HCl (2 mL) was refluxed under argon for 1 hour. The reaction mixture was allowed to cool to room temperature and concentrated under reduced pressure to afford 28.4 mg of the title compound as the hydrochloride salt.

1. concentrationconcentrated under reduced pressure