申请人:Hoechst Aktiengesellschaft
公开号:US04018933A1
公开(公告)日:1977-04-19
Acylaminopenicillanic acids of the general formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or lower alkyl which may be substituted, and in which the radicals R.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 may form together an alkylene radical which may be substituted, R.sup.4 and R.sup.5 represent hydrogen or lower alkyl, R.sup.6 represents phenyl which may be substituted, a monocyclic aromatic heterocycle which may be substituted, or dihydrophenyl, A represents a benzene or thiophene ring which may be substituted, and X represents oxygen or a single bond, a process for preparing them and pharmaceutical compositions active against bacterial infections containing these compounds.
通用公式为##STR1##的酰胺青霉酸,其中R.sup.1、R.sup.2和R.sup.3代表氢或可以被取代的较低烷基,且基团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,R.sup.4和R.sup.5代表氢或较低烷基,R.sup.6代表可以被取代的苯基、可以被取代的单环芳香杂环或二氢苯基,A代表可以被取代的苯环或噻吩环,X代表氧或单键,一种制备它们的方法以及含有这些化合物的对抗细菌感染活性的药物组合物。