Synthesis of fused acetal derivatives by manganic acetate promoted additions to endocyclic enol ethers

Article abstract of DOI:10.1016/S0040-4020(01)87230-6

Reaction of manganic acetate in acetic acid with β-diketones and β-ketoesters leads to generation of intermediates, which add efficiently to endocyclic unsaturated enol ethers to afford fused acetals.