反应详情

3-(Methylsulfonyl)-5-nitro-benzoic acid methyl ester (32 g; 0.12 mol) was dissolved in methanol (300 ml), 4 g Pd/C (5%) were added and the mixture was hydrogenated at 5 bar. The mixture was filtered and the filtrate concentrated. 26 g (0.11 mmol; 94% yield) were obtained as a colorless solid.

1. filtrationThe mixture was filtered
2. concentrationthe filtrate concentrated
3. custom26 g (0.11 mmol; 94% yield) were obtained as a colorless solid