Reactant: 3-phenyl-4-ureido-butyric acid
Product: 2-oxo-4-phenyl-pyrrolidine-1-carboxylic acid amide
Reagent: acetic anhydride
Time: 1 hour
Other Conditions: Heating
Yield: 93%
Avetisyan, S. A.; Korachov, S. L.; Azaryan, L. V.; Karapetyan, A. A.; Struchkov, Yu. T.
Chem. Heterocycl. Compd. (Engl.Transl.); 31(1), 28-32 (1995)
Khim. Geterotsikl. Soedin. 1, 33-38 (1995)