Patent ID: 11926599
Assignee: KING FAISAL UNIVERSITY
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 9:
10. A method of making the 1-(2-chlorobenzylideneamino)-5,5-diphenylimidazolidine-2,4-dione compound of claim 1, the method comprising:
adding a mixture of semicarbazide hydrochloride, 2-chlorobenzaldehyde, and sodium ethoxide to ethanol with stirring to obtain a first reaction mixture;
adding benzil to the first reaction mixture to obtain a second reaction mixture;
stirring the second reaction with reflux followed by cooling to room temperature to obtain a solid;
purifying the solid by filtering and recrystallization using ethanol; and
obtaining the 1-(2-chlorobenzylideneamino)-5,5-diphenylimidazolidine-2,4-dione compound.