反应详情

3-Amino-5-bromophenol (600 mg, 2.87 mmol, prepared according to WO 2011119704 A1 20110929) was treated with 2,4-difluorobenzene-1-sulfonyl chloride (386 μl, 2.87 mmol) according to the method described in Preparation 15b to give 1.27 g (99% yield) of the title compound as an oil. Purity 70%.