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Keywords:

  • diastereoselectivity;
  • rearrangement;
  • sulfides;
  • sulfones;
  • sulfoxides

Abstract

Highly diastereoselective Claisen rearrangements of acyclic allyl vinyl ethers bearing a chiral sulfoxide at C-5 provide γ-δ-unsaturated aldehydes or ketones with up to two consecutive asymmetric centers in the molecule whilst preserving a useful vinyl sulfoxide. The reactivity of related vinyl sulfides and sulfones has also been examined in this work.