Disclosed are 2- and 6-substituted-1-carbadethiapen-2-em-3-carboxylic acids having the structure: ##STR1## wherein R.sup.6, R.sup.7 and R.sup.8 are inter alia, independently selected from the group consisting of hydrogen, alkyl, alkenyl, aryl and aralkyl. Such compounds as well as their pharmaceutically acceptable salt, ester and amide 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.
本发明涉及具有以下结构的2-和6-取代的1-卡巴德
硫杂青霉烷-2-
乙烯-3-
羧酸:##STR1## 其中R.sup.6,R.sup.7和R.sup.8是独立选择自氢、烷基、烯基、芳基和芳基烷基等组的。这些化合物以及它们的药学上可接受的盐、酯和酰胺衍
生物可用作抗生素。本发明还涉及制备这些化合物的方法,包括这些化合物的制药组合物和在需要抗生素效应时给予这些化合物和组合物的治疗方法。