Bromine → 1-[3-bromo-3-(3,4-dichlorobenzoyl)propionyl]-L-proline

Reaction equation

ClC1C=C(C=CC=1Cl)C(CCC(O)=O)=O.N1CCC[C@H]1C(O)=O.[Cl:24][C:25]1[CH:26]=[C:27]([CH:42]=[CH:43][C:44]=1[Cl:45])[C:28]([CH2:30][CH2:31][C:32]([N:34]1[CH2:41][CH2:40][CH2:39][C@H:35]1[C:36]([OH:38])=[O:37])=[O:33])=[O:29].[Br:46]Br>C(O)(=O)C>[Br:46][CH:30]([C:28](=[O:29])[C:27]1[CH:42]=[CH:43][C:44]([Cl:45])=[C:25]([Cl:24])[CH:26]=1)[CH2:31][C:32]([N:34]1[CH2:41][CH2:40][CH2:39][C@H:35]1[C:36]([OH:38])=[O:37])=[O:33]