反应详情

6-(N′-tert-Butoxycarbonylhydrazino)-2-(2-chlorophenylamino)-3,4-difluorobenzoic acid methyl ester (1.00 equivalent) is treated with a 1:1 mixture of methylene chloride and TFA and stirred for 2 hours The reaction mixture is concentrated under reduced pressure and the product is purified by trituration or flash column chromatography if needed.

1. concentrationis concentrated under reduced pressure
2. customthe product is purified by trituration or flash column chromatography