Reduction of Nitro compounds CH Fe Feso CH NaoH E HOCH2 -C-NOL H20-H2SON HOCHo-C-NH CH CH R一NO R一NH 2 M/H. Zn/Hcl Fe/hcl. Sn/hcl H2/ Catalyst NayS, NaSH, (NH4)HS,(NH4)2SOrganic Chemistry Organic Chemistry Xiamen Xiamen University University Reduction of Nitro compounds HOCH 2 C NO 2 CH 3 CH 3 Fe, FeSO 4 H 2O￾H 2SO 4 NaOH HOCH 2 C NH 2 CH 3 CH 3 R NO 2 R NH 2 [H ] M / H+ : Z n / H Cl , F e / H Cl , S n / H Cl , H 2 / C atalyst Na 2 S , Na S H, ( N H 4)HS , (N H 4 ) 2 S