[O:1]=[C:2]1[CH2:6][CH:5]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)[CH2:4][N:3]1[CH2:13][C:14]([O:16]C)=O.[CH2:18]([N:20]([CH2:24][CH3:25])[CH2:21][CH2:22][NH2:23])[CH3:19]>>[CH2:18]([N:20]([CH2:24][CH3:25])[CH2:21][CH2:22][NH:23][C:14](=[O:16])[CH2:13][N:3]1[CH2:4][CH:5]([C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=2)[CH2:6][C:2]1=[O:1])[CH3:19]From 7.0 g. of methyl 2-oxo-4-phenyl-1-pyrrolidineacetate and 5.0 g of 2-(diethylamino)ethylamine, following the procedure of Example 1, there is obtained N-[2-(diethylamino)ethyl]-2-oxo-4-phenyl-1-pyrrolidineacetamide in pure form as an oil, without need for distillation.
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