申请人:Haydon David John
公开号:US20100273837A1
公开(公告)日:2010-10-28
Compounds of formula (IA) or (IB) have antibacterial activity: wherein W is ═CH— or ═N—; Ri and R2 are independently selected from hydrogen, fluoro and chloro, provided that Ri and R2 are not each hydrogen when W is ═CH—; n is 0 or 1; X is —O—, —S—, or —CH
2
—; and Q is (i) a phenyl radical, a naphthyl radical, a monocyclic carbocyclic or heteroaryl radical having 3 to 6 ring atoms, or a bicyclic heteroaryl radical having 5 to 10 ring atoms, any of which radicals being optionally substituted; or (ii) an optionally substituted C
1
-C
6
alkyl, C
2
-C
6
alkenyl, or C
2
-C
6
alkynyl radical, which may optionally be interrupted by —O—, —S—, —S(O)—, —S(O
2
)—, —NH—, —N(CH
3
)—, —N(CH
2
CH
3
)—, —C—K═Oh or —C(═O)—O—.
式为(IA)或(IB)的化合物具有抗菌活性:其中W为═CH—或═N—;Ri和R2独立选择氢,氟或氯,但当W为═CH—时,Ri和R2不能同时为氢;n为0或1;X为—O—,—S—或—CH2—;而Q为(i)苯基基团,萘基基团,具有3到6个环原子的单环碳环或杂环基团,或具有5到10个环原子的双环杂环基团,其中任何基团均可选择性地被取代;或(ii)选择性地被取代的C1-C6烷基,C2-C6烯基或C2-C6炔基基团,其可以选择性地被—O—,—S—,—S(O)—,—S(O2)—,—NH—,—N(CH3)—,—N(CH2CH3)—,—C—K═Oh或—C(═O)—O—所中断。