Abstract
4-Acetoxy-3-vinylazetidin-2-one and 4-formyl-3-vinylazetidin-2-one are transformed to the carbapenem intermediates 4-acetoxy-3-(1-hydroxyethyl)azetidin-2-one and 4-acetoxy-3-ethylideneazetidin-2-one respectively, and the synthesis of a 6-vinylcarbapenem is reported.
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