An antibacterial 1-cyclopropyl-6-fluoro-1,4- dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid of the formula ##STR1## in which R represents branched or straight-chain propyl or butyl which is optionally substituted by hydroxy or methoxy, unsubstituted tert.-butyl, 2-methylthioethyl, trifluoromethylthiomethyl, 2-trifluoromethylthioethyl, cycloalkyl with 3 to 6 carbon atoms, cycloalkenyl having 5 to 6 carbon atoms optionally substituted by hydroxyl, 1,1-dioxidotetrahydrothiophen-3-yl, cyclopropylmethyl, 1-phenethyl, furylmethyl, allyl or propargyl optionally substituted by phenyl and their pharmaceutically usable hydrates, acid addition salts, metal and guanidinium salts and prodrug forms.
一种抗菌的1-环丙基-6-
氟-1,4-二氢-4-氧基-7-(1-
哌嗪基)-
3-喹啉羧酸,其
化学式为##STR1##其中R代表支链或直链的丙基或丁基,可选地被羟基或甲氧基取代,未取代的叔丁基,2-甲
硫基乙基,三
氟甲
硫基甲基,2-三
氟甲
硫基乙基,环烷基(碳原子数为3至6),
环戊烯基(碳原子数为5至6,可选地被羟基取代),1,1-二氧代
四氢噻吩-3-基,
环丙基甲基,1-苯乙基,
呋喃基甲基,烯丙基或
丙炔基,可选地被苯基取代,以及它们的药用
水合物、酸盐、
金属盐和
胍啶盐以及前药形式。