Patent ID: 11952371
Assignee: KING FAISAL UNIVERSITY
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 10:
11. A method of making the 2-[(1,3-benzoxazol-2-yl)imino]-5,5-diphenylimidazolidin-4-one compound of claim 1, the method comprising:
adding benzil, 2-(benzo[d]oxazol-2-yl)guanidine, and sodium ethoxide to ethanol to obtain a solution;
refluxing the solution followed by cooling to room temperature to obtain a solid;
purifying the solid by filtering and recrystallization using ethanol; and
obtaining the 2-[(1,3-benzoxazol-2-yl)imino]-5,5-diphenylimidazolidin-4-one compound.