反应详情

3.0 g (7.9 mmol) of 3-amino-5-benzyloxy-2-nitro-benzoic acid benzyl ester was reduced by 5.4 g (23.7 mmol) of SnCl22H2O in 30 mL of ethanol at 80° C. for 3 h to produce 2,3-diamino-5-benzyloxy-benzoic acid benzyl ester. LCMS: 350 (M+1)+.