ChemInform Abstract: Palladium Catalysis in Cephalosporin Chemistry: General Methodology for the Synthesis of Cephem Side Chains.
Abstract
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ChemInform Abstract
Palladium-catalyzed coupling of the hydroxycephem triflates (I) with the stannanes (II) or (IV) yields stereoselectively the 3-substituted cephems (III) and (V) respectively. Further reactions in this series are described in the original paper.