DERIVATIVES OF 7-OXO-1-AZABICYCLO(3.2.0)-HEPT-2-ENE-2-CARBOXYLIC ACID, THEIR PREPARATION, PHARMACEUTICAL COMPOSITIONS CONTAINING THEM AND INTERMEDIATES

摘要

The present invention provides a compound of formula (I):-

wherein G is hydrogen, alkyl, alkenyl, substituted alkyl or substituted alkenyl, R1 is alkyl or aryl, substituted alkyl or substituted aryl, and R is an organic group such that -CO2R is an ester group. The compounds are useful as antibacterial and @@lactamase inhibitory agents.