申请人:Zenyaku Kogyo Kabushiki Kaisha
公开号:US06294527B1
公开(公告)日:2001-09-25
An antibacterial compound
wherein
represents benzene ring, pyridine ring, pyrazine ring or 5-membered aromatic neterocycle (having one oxygen or sulfur atom as ring-constituting atom), there being no R4 where
represents 5-membered aromatic heterocycle;
X and Y respectively represent hydrogen atom or CXY represents C═N—OR5 wherein R5 represents hydrogen atom, halo C1-C6 alkyl or C3-C7 cycloalkyl;
R1 represents phenyl, furyl, thienyl, thiazolyl (which may be substituted by amino group), tetrazolyl or thiadiazolyl,
R2, R3 and R4 respectively represent hydrogen atom, halogen, hydroxyl group, nitro, C1-C6 alkoxy, trifluoromethyl, isothiuronium C1-C6 alkyl, amino C1-C6 alkyl, halo C1-C6 alkyl, morpholino, piperidino or piperazinyl.
一种抗菌化合物,其中表示苯环、吡啶环、吡嗪环或5-成员芳香杂环(具有一个氧或硫原子作为环构成原子),其中没有R4表示5-成员芳香杂环;X和Y分别表示氢原子或CXY表示C═N—OR5,其中R5表示氢原子,卤代C1-C6烷基或C3-C7环烷基;R1表示苯基、呋喃基、噻吩基、噻唑基(可以被氨基取代)、四唑基或噻二唑基,R2、R3和R4分别表示氢原子、卤素、羟基、硝基、C1-C6烷氧基、三氟甲基、异硫脲基C1-C6烷基、氨基C1-C6烷基、卤代C1-C6烷基、吗啉基、哌啶基或哌嗪基。