申请人:Pfizer, Inc.
公开号:US05578591A1
公开(公告)日:1996-11-26
Compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen, methoxy or formamido; R.sup.2 is an acyl group, in particular that of an antibacterially active cephalosporin; CO.sub.2 R.sup.3 is a carboxy group or a carboxylate anion, or R.sup.3 is a readily removable carboxy promoting group or a pharmaceutically acceptable salt-forming group or in vivo hydrolysable ester group; R.sup.4 represents hydrogen or up to four substituents, which my be present on any of the carbon atoms in the ring system shown, selected from alkyl, alkenyl, alkynyl, alkoxy, hydroxy, halogen, amino, alkylamino, acylamino, dialkylamino, CO.sub.2 R, CONR.sub.2, SO.sub.2 NR.sub.2 where R is hydrogen or alkyl, aryl and heterocyclyl, which may be the same or different and wherein any R.sup.4 aryl substituent is optionally substituted by one or more substituents selected from the list from which R.sup.4 is selected Y is O, S, SO or SO.sub.2 ; n is 0 or 1; and m is 1 or 2; for use in the treatment of bacterial infections in humans and animals.
该公式的化合物为:##STR1## 其中 R.sup.1 是氢、甲氧基或甲酰胺基;R.sup.2 是酰基,特别是抗菌活性头孢菌素的酰基;CO.sub.2 R.sup.3 是羧基或羧酸盐阴离子,或者 R.sup.3 是易于去除的羧基促进基团或药用可接受的盐形成基团或体内水解的酯基团;R.sup.4 代表氢或最多四个取代基,这些取代基可以存在于所示环系的任何碳原子上,从烷基、烯基、炔基、烷氧基、羟基、卤素、氨基、烷基氨基、酰基氨基、二烷基氨基、CO.sub.2 R、CONR.sub.2、SO.sub.2 NR.sub.2 中选择,其中 R 为氢或烷基、芳基和杂环基,这些基团可以相同也可以不同,其中任何 R.sup.4 芳基取代基可选择性地由列表中 R.sup.4 所选取的一个或多个取代基取代,Y 为 O、S、SO 或 SO.sub.2;n 为 0 或 1;m 为 1 或 2;用于治疗人类和动物的细菌感染。