Bromine → Ethyl 8-(benzyloxy)-6-bromo-2-(4-fluorobenzyl)-1-oxo-1,2,3,4-tetrahydropyrrolo[1,2-a]-pyrazine-7-carboxylate

Reaction equation

[CH2:1]([O:8][C:9]1[C:10]([C:27]([O:29][CH2:30][CH3:31])=[O:28])=[CH:11][N:12]2[CH2:17][CH2:16][N:15]([CH2:18][C:19]3[CH:24]=[CH:23][C:22]([F:25])=[CH:21][CH:20]=3)[C:14](=[O:26])[C:13]=12)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(=O)(O)[O-].[Na+].[Br:37]Br>ClCCl>[CH2:1]([O:8][C:9]1[C:10]([C:27]([O:29][CH2:30][CH3:31])=[O:28])=[C:11]([Br:37])[N:12]2[CH2:17][CH2:16][N:15]([CH2:18][C:19]3[CH:20]=[CH:21][C:22]([F:25])=[CH:23][CH:24]=3)[C:14](=[O:26])[C:13]=12)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1