Disclosed are 6-(1'-hydroxyethyl)-3-substituted-1-azabicyclo[3.2.0]hept-2-en-7-one-2-car boxylic acids(I): ##STR1## wherein X is halo, oxygen (the 2-3 bond is saturated and the species I exists as the carboxylate salt or ester), or --OR wherein R is, inter alia, acyl, alkyl or aralkyl. Such compounds and their O- and carboxyl derivatives are useful as antibiotics. Also disclosed are processes for the preparation of such compounds, pharmaceutical compositions comprising such compounds and methods of treatment comprising administering such compounds and compositions when an antibiotic effect is indicated.
本发明涉及6-(1'-羟乙基)-3-取代-1-
氮杂双环[3.2.0]庚-2-
烯-7-
酮-2-
羧酸(I):##
STR1## 其中X为卤素,
氧(2-3键饱和,物种I存在为
羧酸盐或
酯)或--OR,其中R为酰基、烷基或芳基烷基等。这些化合物及其O-和羧基衍
生物可用作
抗生素。本发明还涉及制备这些化合物的方法、包含这些化合物的制药组合物以及在需要
抗生素作用时给予这些化合物和组合物的治疗方法。