反应详情

To a solution of 2-(2-tert-butoxycarbonylamino-4-pyridyl)-1-(4-methoxyphenyl)ethanone (0.36 g, 1.1 mmol) in acetic acid (5 mL) was added bromine (0.058 mL, 1.1 mmol), and the mixture was stirred for 1 hour at room temperature. The reaction mixture was concentrated, and the residue was washed with isopropyl ether to obtain a title compound (0.44 g, yield 82%).

1. concentrationThe reaction mixture was concentrated
2. washthe residue was washed with isopropyl ether