Acetate → 4,4'-Dibromostilbene

Reaction equation

[Br:11][c:12]1[cH:13][cH:14][c:15]([CH:16]=[CH2:17])[cH:18][cH:19]1.[Br:1][c:2]1[cH:3][cH:4][c:5]([C:6]([Cl:7])=[O:8])[cH:9][cH:10]1.[C:30]([O-:31])(=[O:32])[CH3:33].[C:35]([O-:36])(=[O:37])[CH3:38].[CH2:20]([N:21]([CH3:22])[CH3:23])[c:24]1[cH:25][cH:26][cH:27][cH:28][cH:29]1.[CH3:39][c:40]1[c:41]([CH3:42])[cH:43][cH:44][cH:45][cH:46]1.[Pd+2:34]>>[Br:1][c:2]1[cH:3][cH:4][c:5]([CH:6]=[CH:16][c:15]2[cH:14][cH:13][c:12]([Br:11])[cH:19][cH:18]2)[cH:9][cH:10]1