反应详情

A solution of 68 mg (0.136 mmol) (5-{5-[(5-chloro-pyridine-2-carbonyl)-amino]-2-fluoro-phenyl}-5-trifluoromethyl-5,6-dihydro-2H-[1,4]oxazin-3-yl)-carbamic acid tert-butyl ester in 2 ml 4N HCl in dioxane was stirred at 40° C. overnight. The mixture was concentrated and crystallized from EtOAc/hexane to yield the title compound as colorless crystals.

1. concentrationThe mixture was concentrated
2. customcrystallized from EtOAc/hexane