Patent ID: 11939315
Assignee: KING FAISAL UNIVERSITY
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 4:
5. A method of making the ethyl 2-[9-(2-hydroxypyridin-3-yl)-3,6-diphenyl-1,8-dioxo-3,4,9,10-tetrahydroacridine-10-yl]-acetate compound of claim 1, the method comprising:
mixing 5-Phenyl-1,3-cyclohexanedione, 2-hydroxynicotinaldehyde, and ethyl 2-aminoacetate in ethanol to obtain a reaction mixture;
refluxing the reaction mixture;
cooling the reaction mixture to form a solid product and filtering the solid product under vacuum;
recrystallizing the solid product from ethanol; and
obtaining the ethyl 2-[9-(2-hydroxypyridin-3-yl)-3,6-diphenyl-1,8-dioxo-3,4,9,10-tetrahydroacridine-10-yl]-acetate compound.