Phenacyl bromide → 2-Benzyl-1-(2-oxo-2-phenylethyl)pyridin-1-ium bromide

Reaction equation

[CH2:1]([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][N:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[Br:14][CH2:15][C:16]([C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)=[O:17]>>[Br-:14].[CH2:1]([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][N+:9]=1[CH2:15][C:16](=[O:17])[C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1