申请人:Hoechst Aktiengesellschaft
公开号:US04016159A1
公开(公告)日:1977-04-05
Acylamino-cephem-carboxylic acids of the formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or alkyl, R.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 together may form an alkylene radical which may be substituted, X represents a single bond or NH, A represents a phenylene or thienylene radical which may be substituted, Y represents a single bond or oxygen and Z represents a 5- or 6-membered ring which may be substituted and which may be bound to an anellated ring system, and their physiologically tolerated salts and esters, a process for preparing these compounds and preparations containing them.
化学式I的酰胺基头孢菌素羧酸,其中R.sup.1、R.sup.2和R.sup.3代表氢或烷基,R.sup.1和R.sup.2或R.sup.2和R.sup.3可以共同形成一个可以被取代的烷基基团,X代表单键或NH,A代表可以被取代的苯基或噻吩基团,Y代表单键或氧,Z代表一个可以被取代的5-或6-成员环,可以与一个环接系统结合,并且它们的生理耐受盐和酯,以及制备这些化合物的方法和含有它们的制剂。