ANTIBACTERIAL POLYCYCLIC COMPOUNDS*THEIR MANUFACTURE AND MEDICAL COMPOSITION CONTAINING THEM

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.