Pyridine → 1-(3-Bromo-4-methylphenyl)-3-(3,5-dichlorophenyl)-4,4,4-trifluoro-2-butene-1-one

Reaction equation

[Br:1][c:2]1[cH:3][c:4]([C:9]([CH2:10][C:11]([C:12]([F:13])([F:14])[F:15])([OH:16])[c:17]2[cH:18][c:19]([Cl:24])[cH:20][c:21]([Cl:23])[cH:22]2)=[O:25])[cH:5][cH:6][c:7]1[CH3:8].[CH3:36][c:37]1[cH:38][cH:39][cH:40][cH:41][cH:42]1.[S:26]([Cl:27])([Cl:28])=[O:29].[cH:30]1[cH:31][cH:32][n:33][cH:34][cH:35]1>>[Br:1][c:2]1[cH:3][c:4]([C:9]([CH:10]=[C:11]([C:12]([F:13])([F:14])[F:15])[c:17]2[cH:18][c:19]([Cl:24])[cH:20][c:21]([Cl:23])[cH:22]2)=[O:25])[cH:5][cH:6][c:7]1[CH3:8]