Patent ID: 11932604
Assignee: KING FAISAL UNIVERSITY
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A  Y | IPC A  C

Claim 9:
10. A method of making the 9-(2-hydroxyphenyl)-10-[3-(dimethylamino)propyl]-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione compound of claim 1, the method comprising:
refluxing a reaction mixture of 2-hydroxybenzaldehyde, 1,3-cyclohexanedione, and N,N′-Dimethyl-1,3-propanediamine (DMPA) in ethanol at a temperature of about 340 K to about 360 K;
cooling the reaction mixture at ambient temperature;
purifying a precipitated product by filtering and recrystallization from ethanol; and
obtaining the 9-(2-hydroxyphenyl)-10-[3-(dimethylamino)propyl]-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione compound.