ChemInform Abstract: The Oxidation Induced Rearrangement of Carbapenems to Carbacephams.
Abstract
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ChemInform Abstract
Attempted dihydroxylation of the carbapenem (I) with an exocyclic double bond at C-2 results in isolation of 2-keto-3-hydroxy carbacephem (II) via rearrangement of the intermediate osmate ester. The product can be converted to carbacephems.