HCID 22180109, compound → 5-Amino-2,3-difluoro-4-hydroxy-benzoic acid methyl ester

Participants

Reaction Steps

A solution of 2,3-difluoro-4-hydroxy-5-nitro-benzoic acid methyl ester (2.2 g, 9.4 mmol) in methanol (100 mL) was stirred under atmospheric hydrogen at ambient temperature in the presence of 10% palladium on charcoal (0.8 g) for 3 hours. The mixture was filtered and the filtrate was evaporated in vacuo to give the title compound (1.9 g, 100%) as a colourless solid.

Provenance & Evidence