申请人:Zeneca Limited
公开号:US05541178A1
公开(公告)日:1996-07-30
A carbapenem compound of the formula (I) ##STR1## wherein: R.sup.1 is 1-hydroxyethyl, 1-fluoroethyl or hydroxymethyl; R.sup.2 is hydrogen or C.sub.1-4 alkyl; R.sup.3 is hydrogen or C.sub.1-4 alkyl; R.sup.4 is hydroxy or carboxy; and the phenyl ring is optionally further substituted by one or two substituents selected from halo, cyano, C.sub.1-4 alkyl, nitro, hydroxy, carboxy, C.sub.1-4 alkoxy, trifluoromethyl, C.sub.1-4 alkoxycarbonyl, carbamoyl, C.sub.1-4 alkylcarbamoyl, di-C.sub.1-4 alkylcarbamoyl, amino, C.sub.1-4 alkylamino, di-C.sub.1-4 alkylamino sulphonic acid, C.sub.1-4 alkylS(O).sub.n --(wherein n is 0-2), N-C.sub.1-4 alkanesulphonamido, C.sub.1-4 alkanoylamino and C.sub.1-4 alkanoyl(N-C.sub.1-4 alkyl)amino: provided that the phenyl ring is substituted by at least one carboxy; or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof.
化合物的结构式(I)如下:其中:R.sup.1为1-羟乙基,1-氟乙基或羟甲基;R.sup.2为氢或C.sub.1-4烷基;R.sup.3为氢或C.sub.1-4烷基;R.sup.4为羟基或羧基;苯环可选择进一步由卤素、氰基、C.sub.1-4烷基、硝基、羟基、羧基、C.sub.1-4烷氧基、三氟甲基、C.sub.1-4烷氧羰基、氨基、C.sub.1-4烷基氨基、二C.sub.1-4烷基氨基磺酸、C.sub.1-4烷基S(O).sub.n--(其中n为0-2)、N-C.sub.1-4烷磺酰胺基、C.sub.1-4烷酰胺基和C.sub.1-4烷酰(N-C.sub.1-4烷基)氨基等取代基取代;前提是苯环至少被一个羧基取代;或其药学上可接受的盐或体内可水解的酯。