Patent ID: 11970475
Assignee: KING FAISAL UNIVERSITY
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A  Y | IPC A  C

Claim 10:
11. A method of making the 4-(1-(2-Hydroxypropyl)-4,5-diphenyl-1H-imidazol-2-yl)pyridin-3-ol compound of claim 1, the method comprising:
adding benzil, 3-hydroxyisonicotinaldehyde, ammonium acetate, and isopropylamine to piperidinium hydrogen sulfate in an oil bath to obtain a reaction mixture;
heating the reaction mixture with stirring until reaction completion to obtain a crude product;
purifying the crude product by recrystallization using absolute ethyl alcohol; and
obtaining the 4-(1-(2-Hydroxypropyl)-4,5-diphenyl-1H-imidazol-2-yl)pyridin-3-ol compound.