申请人:Pfizer Inc.
公开号:US04826833A1
公开(公告)日:1989-05-02
Beta-lactamase inhibiting compounds of the formula ##STR1## or a pharmaceutically acceptable acid addition or carboxylate salt thereof; where n is zero, 1 or 2; X.sub.3 is H or Br, R.sup.1 is H, the residue of certain carboxy-protecting groups or the residue of an ester group readily hydrolyzable in vivo; one of R.sup.12 and R.sup.13 is H and the other is vinyl, certain aryl, alkylthio, alkylsulfonyl or certain heterocyclyl, aminomethyl, thiocarboxamido or amidino groups; one or R.sup.2 and R.sup.3 is H and the other is as disclosed for the other of R.sup.12 and R.sup.13, or is Cl or CH.sub.2 OH, and R.sup.18 is H or certain acyl groups; intermediates useful in their production, methods for their preparation and use, and pharmaceutical compositions containing them.
β-内酰胺酶抑制化合物的结构式为##STR1##或其药学上可接受的酸加合物或羧酸盐;其中n为零、1或2;X.sub.3为H或Br,R.sup.1为H,某些羧基保护基的残基或在体内容易水解的酯基残基;R.sup.12和R.sup.13中的一个为H,另一个为乙烯基、某些芳基、烷基硫基、烷基磺酰基或某些杂环基、氨甲基、硫代羧酰胺基或胍基;R.sup.2和R.sup.3中的一个为H,另一个如R.sup.12和R.sup.13的另一个所披露的,或为Cl或CH.sub.2 OH,R.sup.18为H或某些酰基;在其生产中有用的中间体、其制备和使用的方法,以及含有它们的药物组合物。