Ethyl bromoacetate → 2-{3-[3-(1-Triphenylmethyl-imidazol-4-yl)-propyl]-5-methyl-5-naphthalen-1-yl-2,4-dioxo-imidazolidin-1-yl}-acetic acid ethyl ester

Reaction equation

[C:1]1([C:7]([C:40]2[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=2)([C:34]2[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=2)[N:8]2[CH:12]=[C:11]([CH2:13][CH2:14][CH2:15][N:16]3[C:20](=[O:21])[C:19]([CH3:32])([C:22]4[C:31]5[C:26](=[CH:27][CH:28]=[CH:29][CH:30]=5)[CH:25]=[CH:24][CH:23]=4)[NH:18][C:17]3=[O:33])[N:10]=[CH:9]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.Br[CH2:47][C:48]([O:50][CH2:51][CH3:52])=[O:49].[H-].[Na+]>CN(C)C=O>[CH2:51]([O:50][C:48](=[O:49])[CH2:47][N:18]1[C:19]([CH3:32])([C:22]2[C:31]3[C:26](=[CH:27][CH:28]=[CH:29][CH:30]=3)[CH:25]=[CH:24][CH:23]=2)[C:20](=[O:21])[N:16]([CH2:15][CH2:14][CH2:13][C:11]2[N:10]=[CH:9][N:8]([C:7]([C:1]3[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=3)([C:34]3[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=3)[C:40]3[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=3)[CH:12]=2)[C:17]1=[O:33])[CH3:52]