Patent ID: 11905251
Assignee: KING FAISAL UNIVERSITY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 16:
17. A method of making the 1-cyclopropyl-6-fluoro-7-(4-(2-hydroxy-3-(naphthalen-2-yloxy)propylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid compound of claim 1, the method comprising:
treating 2-((2naphthyloxy)methyl)oxirane with ciprofloxacin in a presence of triethylamine as a catalyst to obtain a crude product;
purifying the crude product by recrystallization using absolute ethyl alcohol; and
obtaining the 1-cyclopropyl-6-fluoro-7-(4-(2-hydroxy-3-(naphthalen-2-yloxy)propylpiperazin-1-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid compound.