반응 #306240

반응 방정식

NaOH

4,4′-dibromo-2,2′-dinitrobiphenyl

EtOH

→

4,4′-dibromo-2,2′-diaminobiphenyl

수율 67.5%

용매

HCl

반응 조건

후처리

1. 1
   workup.ADDITIONwas added
2. 2
   온도the reaction mixture was refluxed for 24 hours
3. 3
   기타recrystallized in ethanol

실험 절차

4,4′-dibromo-2,2′-dinitrobiphenyl (6.1 g, 15.17 mmol) was stirred in HCl 30 ml/EtOH 75 ml, Sn powder (7.2 g, 60.68 mmol) was added thereto, and then the reaction mixture was refluxed for 24 hours. Next, the reaction mixture was cooled to room temperature, neutralized with 10% NaOH solution, and then recrystallized in ethanol to obtain 4,4′-dibromo-2,2′-diaminobiphenyl (3.5 g, 67%). MS [M+H] 341.

출처