反应详情

In a sealed tube, 1-cyclopropyl-5,6-difluoro-7-(3-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid was aminated with ammonia/dimethylformamide as in Example 13 to give 5-amino-1-cyclopropyl-6-fluoro-7-(3-methyl-1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid. m.p. 181°-183° C.