申请人:VERNALIS OXFORD LTD
公开号:WO2004056751A1
公开(公告)日:2004-07-08
Compounds of formula (I) have antibacterial activity, wherein Q represents -N(OH)CH(=O) or -C(=O)NH(OH); Y represents -C(=O)-, - C(=S)-, -S(=O)-, or -SO2-; R1 represents hydrogen, C1-C6 alkyl or C1-C6 alkyl substituted by one or more halogen atoms, or, except when Q is a radical of formula -N(OH)CH(=O), a hydroxy, Cl-C6 alkoxy, Cl-C6 alkenyloxy, halogen, amino, Cl-C6 alkylamino, or di-( C1-C6 alkyl)amino group; R2 represents a substituted or unsubstituted C1-C6 alkyl, C1-C3 alkyl-O-Cl-C3 alkyl, Cl-C3 alkyl-S-C1-C3 alkyl, cycloalkyl(C1-C3 alkyl)-, aryl(C1-C3 alkyl)-, heterocyclyl(C1-C3 alkyl)-, or R1R2N-C1-C3 alkyl group wherein R1 represents hydrogen or Cl-C3 alkyl and R2 represents Cl-C3 alkyl, or R1R2N- represents a cyclic amino group; R3 and R5 independently represent hydrogen or a substituted or unsubstituted C1-C6 alkyl group or R3 and R5 taken together with the carbon and nitrogen atoms to which they are respectively attached form a saturated heterocyclic ring of from 5 to 7 ring atoms, which may be fused to a second carbocyclic or heterocyclic ring, either of which rings may optionally be substituted; R4 represents hydrogen or a substituted or unsubstituted Cl-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, cycloalkyl, aryl, heterocyclyl, Cl-C3 alkyl-O-CI-C3 alkyl, C1-C3 alkyl-S-C1-C3 alkyl, C1-C3 alkyl-NH-(CI-C3 alkyl)-, cycloalkyl(C1-C3 alkyl)-, heterocyclic(C1-C3 alkyl)- or aryl(C1-C3 alkyl)- group; and A represents a primary, secondary or tertiary amino group or a group -R6, -OR6, wherein R6 is a substituted or unsubstituted Cl-C6 alkyl, C2-C6 alkenyl, C2-C6 alkynyl, cycloalkyl, aryl, heterocyclyl, C1-C3 alkyl-O-(C1-C3 alky)-l, C1-C3 alkyl-S-(C1-C3 alkyl)-, Cl-C3 alkyl-NH-(C1-C3 alkyl)-, cycloalkyl(C1-C3 alkyl)-, heterocyclic(C1-C3 alky)-l or aryl(C1-C3 alkyl)- group.
式(I)的化合物具有抗菌活性,其中Q代表-N(OH)CH(=O)或-C(=O)NH(OH);Y代表-C(=O)-、-C(=S)-、-S(=O)-或-SO2-;R1代表氢、C1-C6烷基或被一个或多个卤素原子取代的C1-C6烷基,或者当Q是式-N(OH)CH(=O)的基团时,代表羟基、Cl-C6烷氧基、Cl-C6烯氧基、卤素、氨基、Cl-C6烷基氨基或二-(C1-C6烷基)氨基;R2代表取代或未取代的C1-C6烷基、C1-C3烷氧基-C1-C3烷基、Cl-C3烷基-S-C1-C3烷基、环烷基(C1-C3烷基)-、芳基(C1-C3烷基)-、杂环烷基(C1-C3烷基)-,或R1R2N-C1-C3烷基基团,其中R1代表氢或Cl-C3烷基,R2代表Cl-C3烷基,或R1R2N-代表环氨基基团;R3和R5独立地代表氢或取代或未取代的C1-C6烷基基团,或者R3和R5连同它们分别连接的碳和氮原子形成由5至7个环原子组成的饱和杂环烷基,该环可能与第二个碳环或杂环融合,其中任一环可以选择性地被取代;R4代表氢或取代或未取代的Cl-C6烷基、C2-C6烯基、C2-C6炔基、环烷基、芳基、杂环烷基、Cl-C3烷氧基-CI-C3烷基、C1-C3烷基-S-C1-C3烷基、C1-C3烷基-NH-(Cl-C3烷基)-、环烷基(C1-C3烷基)-、杂环(C1-C3烷基)-或芳基(C1-C3烷基)-基团;A代表一次、二次或三次氨基团或一个基团-R6、-OR6,其中R6是取代或未取代的Cl-C6烷基、C2-C6烯基、C2-C6炔基、环烷基、芳基、杂环烷基、C1-C3烷氧基-(C1-C3烷)-、C1-C3烷基-S-(C1-C3烷基)-、Cl-C3烷基-NH-(C1-C3烷基)-、环烷基(C1-C3烷基)-、杂环(C1-C3烷基)-或芳基(C1-C3烷基)-基团。