Cl[C:2]1[NH:3][C:4]2[CH:10]=[CH:9][CH:8]=[CH:7][C:5]=2[N:6]=1.[Cl:11][C:12]1[CH:13]=[C:14]([CH:16]=[CH:17][C:18]=1[Cl:19])[NH2:15]>>[N:6]1[C:5]2[CH:7]=[CH:8][CH:9]=[CH:10][C:4]=2[NH:3][C:2]=1[NH:15][C:14]1[CH:16]=[CH:17][C:18]([Cl:19])=[C:12]([Cl:11])[CH:13]=1The title compound was prepared from 2-chlorobenzimidazole and 3,4-dichloroaniline by Procedure A. The product was isolated by filtration to give the title compound as a hydrochloride salt (white solid, mp>270° C.). MS(ES+) m/z 278 (M+, 100).
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