p-Toluenesulfonic acid → 2-(2,5-Diphenyl-pyrrol-1-ylimino)-3-(2,5-dipyridine-3-yl-pyrrol-1-ylimino)-butane

Reaction equation

[C:1]1([C:7]2[N:8]([N:18]=[C:19]([CH3:23])[C:20](=O)[CH3:21])[C:9]([C:12]3[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=3)=[CH:10][CH:11]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.CN(C=O)C.[N:29]1[CH:34]=[CH:33][CH:32]=[C:31]([C:35]2[N:36]([NH2:46])[C:37]([C:40]3[CH:41]=[N:42][CH:43]=[CH:44][CH:45]=3)=[CH:38][CH:39]=2)[CH:30]=1.C1(C)C=CC(S(O)(=O)=O)=CC=1>C1(C)C=CC=CC=1.O>[C:1]1([C:7]2[N:8]([N:18]=[C:19]([C:20](=[N:46][N:36]3[C:37]([C:40]4[CH:41]=[N:42][CH:43]=[CH:44][CH:45]=4)=[CH:38][CH:39]=[C:35]3[C:31]3[CH:30]=[N:29][CH:34]=[CH:33][CH:32]=3)[CH3:21])[CH3:23])[C:9]([C:12]3[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=3)=[CH:10][CH:11]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1