PROCESS FOR THE PREPARATION OF 7.alpha.-METHOXY- CEPHALOSPORANIC ACID DERIVATIVES
摘要
<p>PROCESS FOR THE PREPARATION OF 7.alpha.-METHOXY CEPHALOSPORANIC ACID DERIVATIVES Novel 7.alpha.-methoxy-7.beta.-heterocyclic thioacetamido-3-heterocyclic thiomethyl-.DELTA.3-cephem-4-carboxylic acid derivatives and pharmaceutically acceptable salts thereof. These compounds show high antibiotic activities against various microorganisms including gram positive and negative bacteria.</p>
