Merging Domino and Redox Chemistry: Stereoselective Access to Di‐ and Trisubstituted β,γ‐Unsaturated Acids and Esters.

Depending on the solvent, MeOH or water, the microwave-assisted rearrangement of propargyl vinyl ethers affords alkenes bearing a malonate unit, or an ester/free acid group at the allylic position.