The synthesis and lactamase inhibitory activity of 6-(carboxymethylene)penicillins and 7-(carboxymethylene)cephalosporins

The synthesis and lactamase inhibitory activity of 6-(carboxymethylene)penicillins and 7-(carboxymethylene)cephalosporins Studies on penam sulfones III. Synthesis and β-lactamase inhibitory activity of sodium (6R)-6-(α-hydroxybenzyl)-2β-methoxyiminomethyl-2α-methylpenam-3α-carboxylate 1,1-dioxide and sodium 2β-acyl-2α-methylpenam-3α-carboxylate 1,1-dioxide Penicillin-derived inhibitors that simultaneously target both metallo- and serine-β-lactamases 6-(1-Hydroxyalkyl)penam sulfone derivatives as inhibitors of class A and class C β-lactamases II 6-(1-hydroxyalkyl)penam sulfone derivatives as inhibitors of class a and class C β-lactamases I Synthesis and .beta.-lactamase inhibitory properties of 2.beta.-[(acyloxy)methyl]-2.alpha.-methylpenam-3.alpha.-carboxylic acid 1,1-dioxides The synthesis and evaluation of 6-alkylidene-2'β-substituted penam sulfones as β-lactamase inhibitors Synthesis and .beta.-lactamase inhibitory properties of 2.beta.-(chloromethyl)-2.alpha.-methylpenam-3.alpha.-carboxylic acid 1,1-dioxide The synthesis and serine β-lactamase inhibitory activity of some phosphonamidate analogues of dipeptides Structure-Activity Relationship of 6-Methylidene Penems Bearing 6,5 Bicyclic Heterocycles as Broad-Spectrum β-Lactamase Inhibitors:  Evidence for 1,4-Thiazepine Intermediates with C7 R Stereochemistry by Computational Methods