申请人:Bayer Aktiengesellschaft
公开号:US04806539A1
公开(公告)日:1989-02-21
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。