Patent ID: 11970505
Assignee: KING FAISAL UNIVERSITY
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A  Y | IPC A  C

Claim 10:
11. A method of making the pyridino-2,16-dioxapentacyclo[7.7.5.01,21.0.03,8.010,15]henicosa3(8),10,12,14-tetraene-7,20-dione compound of claim 1, the method comprising:
adding 3-hydroxypyridine-2-carboxaldehyde, cyclohexane-1,3-dione, and (4-aminophenyl)methanol to ethanol as a solvent with stirring to obtain a reaction mixture;
refluxing the reaction mixture;
evaporating the solvent;
filtering a resulting solid;
washing and recrystallizing the resulting solid; and
obtaining the pyridino-2,16-dioxapentacyclo[7.7.5.01,21.0.03,8.010,15]henicosa3(8),10,12,14-tetraene-7,20-dione compound.