Ammonium → Tert-butyl 4-(4-ethoxy-4-oxobutan-2-yl)-2,2-dimethyl-1,3-oxazolidine-3-carboxylate

Reaction equation

[CH2:31]1[O:32][CH2:33][CH2:34][CH2:35]1.[CH2:6]([CH3:7])[O:8][C:9]([CH:10]=[CH:11][CH:12]1[N:13]([C:19](=[O:20])[O:21][C:22]([CH3:23])([CH3:24])[CH3:25])[C:14]([CH3:17])([CH3:18])[O:15][CH2:16]1)=[O:26].[CH3:1][Si:2]([Cl:3])([CH3:4])[CH3:5].[Cl-:29].[Cu:36][I:37].[NH4+:28].[NH4+:30].[OH-:27]>>[CH3:1][CH:11]([CH2:10][C:9]([O:8][CH2:6][CH3:7])=[O:26])[CH:12]1[N:13]([C:19](=[O:20])[O:21][C:22]([CH3:23])([CH3:24])[CH3:25])[C:14]([CH3:17])([CH3:18])[O:15][CH2:16]1