The invention relates to antibacterial compounds of formula (I), wherein R1 is H, halogen, (C1-C3)alkyl or (C1-C3)alkoxy; R2 is H, halogen, (C1-C3)alkyl, (C1-C3)alkoxy or pyrrolidin-l-yl; R3 is H, halogen, (C1-C3)alkyl, (C1-C3)alkoxy, vinyl or 2-methoxycarbonylvinyl or R2 and R3 together with the two carbon atoms which bear them form a phenyl ring; R4 is H, halogen, (C1-C3)alkyl or (C1-C3)alkoxy and R5 is H, (C1-C3)alkyl or cyclopropyl, or R4 and R5 form together a -CH2CH2CH2- group; A is the divalent group -CH2-, -CH2CH2-, #-CH(OH)CH2-*, #-CH2N(R6)-* or -CH2NHCH2-, wherein # indicates the point of attachment to the optionally substituted (quinazoline-2,4-dione-3-yl)methyl residue and * represents the point of attachment to the substituted (oxazolidinon-4-yl)methyl residue; R6 is H or acetyl; Y is CH or N; and Q is O or S; and salts of such compounds.
该发明涉及式(I)的抗菌化合物,其中R1为H、卤素、(C1-C3)烷基或(C1-C3)氧烷基;R2为H、卤素、(C1-C3)烷基、(C1-C3)氧烷基或
吡咯烷-1-基;R3为H、卤素、(C1-C3)烷基、(C1-C3)氧烷基、
乙烯基或2-甲氧羰基
乙烯基,或者R2和R3与它们所连接的两个碳原子一起形成苯环;R4为H、卤素、(C1-C3)烷基或(C1-C3)氧烷基,R5为H、(C1-C3)烷基或环丙基,或者R4和R5一起形成一个- -基团;A为二价基团-
CH2-、- -、#-CH(OH) -*、#- N(R6)-*或- NH -,其中#表示可选择取代的(
喹唑啉-2,4-二酮-3-基)甲基残基的连接点,*表示取代的(
噁唑烷酮-4-基)甲基残基的连接点;R6为H或乙酰基;Y为CH或N;Q为O或S;以及这类化合物的盐。