申请人:Eli Lilly and Company
公开号:US04382931A1
公开(公告)日:1983-05-10
Broad spectrum cephalosporin antibiotics represented by the formula ##STR1## are provided. In the formula, R represents a 2-aminooxazol-4-yl, 5-amino-1,2,4-oxadiazol-3-yl, or 5-aminoisoxazol-3-yl heterocyclic group; R' is hydrogen, C.sub.1 -C.sub.4 alkyl, a carboxy-substituted alkyl or cycloalkyl group or a C.sub.1 -C.sub.4 alkyl ester or carboxy-protecting ester derivative thereof; or an N-substituted carbamoyl group; and R.sub.1 and R.sub.2 are independently hydrogen or a substituent group, eg. halo, hydroxy, amino, carbamoyl, alkyl, or trifluoromethyl. The antibiotics are useful in a method for treating bacterial infections and can be formulated into pharmaceutical formulations for such use.
提供了以##STR1##表示的广谱头孢菌素抗生素。在公式中,R代表2-氨基噁唑-4-基,5-氨基-1,2,4-噁二唑-3-基,或5-氨基异噁唑-3-基杂环基团;R'是氢,C.sub.1 -C.sub.4烷基,羧基取代的烷基或环烷基团,或C.sub.1 -C.sub.4烷基酯或羧基保护酯衍生物;或N-取代的氨基甲酰基团;而R.sub.1和R.sub.2独立地是氢或取代基团,例如,卤素,羟基,氨基,氨基甲酰基,烷基,或三氟甲基。这些抗生素可用于治疗细菌感染的方法,并可制成用于此类用途的药物制剂。