Acetone → Indole-2-carboxylic acid, 1-benzyl-, ethyl ester

Reaction equation

[C:23](=[O:24])([O-:25])[O-:26].[CH2:15]([c:16]1[cH:17][cH:18][cH:19][cH:20][cH:21]1)[Br:22].[CH2:1]([CH3:2])[O:3][C:4](=[O:5])[c:6]1[nH:7][c:8]2[cH:9][cH:10][cH:11][cH:12][c:13]2[cH:14]1.[CH3:29][C:30](=[O:31])[CH3:32].[Cs+:27].[Cs+:28]>>[CH2:1]([CH3:2])[O:3][C:4](=[O:5])[c:6]1[n:7]([CH2:15][c:16]2[cH:17][cH:18][cH:19][cH:20][cH:21]2)[c:8]2[cH:9][cH:10][cH:11][cH:12][c:13]2[cH:14]1