Abstract

AbstractA selective reaction of bridged ozonides with Fe(II) salts proceeds through the sequence of O−O, C−C scissions and halogenation to form α‐halogen substituted δ‐ketoesters and δ‐diketones in 15–72% yields. The overall sequence shows how a temporary installation of a peroxide functionality can be used to replace the acyl group within an acetoacetic ester unit with a halogen.

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