反应详情

A suspension of 0.80 g (2.69 mmol) of 1-cyclopropyl-6,7,8-trifluoro-1,4-dihydro-5-methyl-4-oxo-3-quinolinecarboxylic acid, 1.08 g (10.8 mmol) of 2-methylpiperazine, and 20 ml of acetonitrile was refluxed for three hours, then cooled in an ice bath. The precipitate was filtered, washed with water and acetonitrile, and dried to give 0.76 g of the title compound, mp 187°-188° C.

1. temperaturewas refluxed for three hours
2. temperaturecooled in an ice bath
3. filtrationThe precipitate was filtered
4. washwashed with water and acetonitrile
5. customdried