申请人:Zeneca Ltd.
公开号:US06365751B1
公开(公告)日:2002-04-02
The invention concerns a compound of the formula (I):
wherein, for example:
R1 is of the formula —NHC(═O)Rb wherein Rb is, for example, (1-4C)alkyl;
R2 and R3 are hydrogen or fluoro;
R2 and R3 are hydrogen or fluoro;
D is O;
R4 and R5 are hydrogen, (1-4C)alkyl or AR-oxymethyl;
AR is phenyl or phenyl(1-4C)alkyl;
R6 is hydrogen;
>A—B— is of the formula >C═C(Ra)—, >CHCHRa—, or >C(OH)CHRa— (> represents two single bonds) wherein Ra is hydrogen or (1-4C)alkyl;
and pharmaceutically-acceptable salts thereof; processes for their preparation; pharmaceutical compositions containing them and their use as antibacterial agents.
本发明涉及如下公式(I)的化合物:其中,例如:R1是如下公式的形式—NHC(═O)Rb,其中Rb例如为(1-4C)烷基;R2和R3是氢或氟;D是氧;R4和R5是氢,(1-4C)烷基或AR-甲氧基甲基;AR是苯基或苯基(1-4C)烷基;R6是氢;>A—B—是如下公式的形式>C═C(Ra)—, >CHCHR_a—, 或 >C(OH)CHR_a—(>代表两个单键),其中Ra是氢或(1-4C)烷基;以及它们的药用可接受盐;它们的制备过程;含有它们的药物组合物以及它们作为抗菌剂的用途。