Stannous chloride dihydrate → 2,5-Bis-(3,5-bis-trifluoromethyl-phenyl)-thiophene-3,4-diamine

Reaction equation

[F:1][C:2]([F:39])([F:38])[C:3]1[CH:4]=[C:5]([C:13]2[S:14][C:15]([C:24]3[CH:29]=[C:28]([C:30]([F:33])([F:32])[F:31])[CH:27]=[C:26]([C:34]([F:37])([F:36])[F:35])[CH:25]=3)=[C:16]([N+:21]([O-])=O)[C:17]=2[N+:18]([O-])=O)[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.BrC1SC(Br)=C([N+]([O-])=O)C=1[N+]([O-])=O.FC(F)(F)C1C=C([Sn](CCCC)(CCCC)CCCC)C=C(C(F)(F)F)C=1.O.O.[Sn](Cl)Cl>C(O)C>[F:12][C:9]([F:10])([F:11])[C:7]1[CH:6]=[C:5]([C:13]2[S:14][C:15]([C:24]3[CH:29]=[C:28]([C:30]([F:31])([F:32])[F:33])[CH:27]=[C:26]([C:34]([F:37])([F:36])[F:35])[CH:25]=3)=[C:16]([NH2:21])[C:17]=2[NH2:18])[CH:4]=[C:3]([C:2]([F:39])([F:38])[F:1])[CH:8]=1