BETA-LACTAM ANTIBIOTICS

摘要

7 beta [2-(2-Aminothiazol(oxazol)-4-yl)-2-oxomino-acetamido]-3-(substituted thiazolium-3-yl)methyl-3-cephem-4-carboxylates and the correspondingly substituted 1-oxadethia and 1-carbadethia 3-cephem compounds are potent antibacterials useful in a therapeutic method for treating bacterial diseases. Also provided are pharmaceutical formulations of these thiazolium-substituted compounds and intermediates useful in the preparation thereof.