The invention relates to antibacterial compounds of formula Iwherein R1is alkoxy or halogen U and V each independently are CH or N "----" is a bond or is absent W is CH or N or, when "----" is absent, W is CH2or NH, with the proviso that U, V and W are not all N A is a bond or CH2 R2is H or, provided A is CH2, may also be OH m and n each independently are 0 or 1 D is CH2or a bond G represents a phenyl group substituted once or twice in the meta and/or para position(s) by substituents selected from alkyl, (C1-C3)alkoxy and halogen, or G is a group G1or G2wherein Z1, Z2and Z3may each represent CH or N X is N or CH and Q is O or S it being understood that if m and n each are 0, then A is CH2 and salts of such compounds.本發明係關於式I之抗細菌化合物:其中R1為烷氧基或鹵素;U及V各獨立地為CH或N;「----」為一鍵或不存在;W為CH或N,或當「----」不存在時,W為CH2或NH,其限制條件為U、V及W不全為N;A為一鍵或CH2;R2為H,或若A為CH2,則R2亦可為OH;m及n各獨立地為0或1;D為CH2或一鍵;G表示苯基,其在間位及/或對位經選自烷基、(C1-C3)烷氧基及鹵素之取代基取代一或兩次,或G為基團G1或G2:其中Z1、Z2及Z3各可表示CH或N;X為N或CH且Q為O或S;應瞭解若m及n各為0,則A為CH2;及該等化合物之鹽。
