反应详情

Dissolve 2-nitro-4-trifluoromethylsulfonyl-phenylamine (530 mg) in EtOH (50 mL) and hydrogenate over Pd/C (10%) for 6 hours. Filter the mixture and concentrate the filtrate in vacuo to obtain 4-trifluoromethylsulfonyl-benzene-1,2-diamine. E. 5-Trifluoromethylsulfonyl-1,3-dihydro-benzimidazol-2-one

1. filtrationFilter the mixture
2. concentrationconcentrate the filtrate in vacuo