反应详情

Prepared according to Method A step A from 2,3-difluorobenzoic acid (4.0 g, 25 mmol), N,O-dimethylhydroxylamine hydrochloride (3.4 g, 35 mmol), oxalyl chloride (2.2 mL, 25 mmol) and 6 mL of pyridine to give the title compound (4.7 g) as an oil. Used as is in the next preparation.

1. customPrepared