Methyl bromoacetate → 6-Chloro-4'-(3-chlorophenyl)-2,3-dihydro-1'-[(methoxycarbonyl)-methyl]-2'-(2-methylphenyl)-2,6'-dioxo spiro[indole-3,3'-piperidine]-1-carboxylic acid tert-butyl ester

Reaction equation

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