Definition: Four-membered cyclic AMIDES, best known for the PENICILLINS based on a bicyclo-thiazolidine, as well as the CEPHALOSPORINS based on a bicyclo-thiazine, and including monocyclic MONOBACTAMS. The BETA-LACTAMASES hydrolyze the beta lactam ring, accounting for BETA-LACTAM RESISTANCE of infective bacteria.
Other names beta Lactams; 4-Thia-1-Azabicyclo(4.2.0)Octanes; 4-Thia-1-Azabicyclo(3.2.0)Heptanes
ertapenem [ Invanoz,Invanz,MSD brand of ertapenem,MSD brand of ertapenem sodium,Merck brand of ertapenem sodium,ertapenem sodium ] a 1-beta-methyl carbapenem; structure in first source
