| 摘要 |
<p>7 beta -Acylamino (or 7 beta -protected amino)-3-alkoxycarbonyl (or phenylalkoxycarbonyl)-1-carba(1-dethia)-3-cephem-4-carboxylic acid esters are provided via palladium catalyzed carbonylation in the presence of a C1-C6 alkanol or phenyl substituted C1-C6 alkanol of a 1-carba (1-dethia)-3-cephem-3-triflate ester.</p> |
