申请人:Merck & Co., Inc.
公开号:US04820817A1
公开(公告)日:1989-04-11
Disclosed is a process for preparing 3-substituted-thio-6-(1'-hydroxyethyl)-7-oxo-1-azabicyclo[3.2.0]hept-2-ene -2-carboxylic acids (I) ##STR1## wherein X is a leaving group such as chloro, bromo, tosyl, mesyl or the like; and R.sup.8 is, inter alia, selected from the group consisting of hydrogen, alkyl, alkenyl, aryl and aralkyl. The compounds I as well as their pharmaceutically acceptable O- and carboxyl derivatives are useful as antibiotics.
揭示了一种制备3-取代硫-6-(1'-羟乙基)-7-氧代-1-氮杂双环[3.2.0]庚-2-烯-2-羧酸(I)的过程##STR1##其中X是氯、溴、对甲苯磺酰基、甲磺酰基或类似物等离去基团;R.sup.8包括氢、烷基、烯基、芳基和芳基烷基等,化合物I及其药用可接受的O-和羧基衍生物可用作抗生素。