Potassium Carbonate → 2-Acetylaminomethyl-5-(5-chlorobenzoxazol-2-yl)-1-(tetrahydropyran-4-yl)benzimidazole

Reaction equation

[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[O:9][C:8]([C:10]3[CH:11]=[CH:12][C:13]([NH:17][CH:18]4[CH2:23][CH2:22][O:21][CH2:20][CH2:19]4)=[C:14]([CH:16]=3)[NH2:15])=[N:7][C:6]=2[CH:24]=1.Cl.[C:26]([NH:29][CH2:30][C:31](=N)OCC)(=[O:28])[CH3:27].C(=O)([O-])[O-].[K+].[K+]>C(O)C>[C:26]([NH:29][CH2:30][C:31]1[N:17]([CH:18]2[CH2:19][CH2:20][O:21][CH2:22][CH2:23]2)[C:13]2[CH:12]=[CH:11][C:10]([C:8]3[O:9][C:5]4[CH:4]=[CH:3][C:2]([Cl:1])=[CH:24][C:6]=4[N:7]=3)=[CH:16][C:14]=2[N:15]=1)(=[O:28])[CH3:27]