Homologation of Acetals of α,β-Unsaturated Carbonyl Compounds with Diazo Esters. Synthesis of Acetals of β,γ-Unsaturated Carbonyl Compounds

Article abstract of DOI:10.1021/jo00173a079

β,γ-Unsaturated acetals are conveniently prepared in good yields by boron trifluoride etherate catalyzed homologation of acetals of α,β-unsaturated aldehydes with ethyl diazoacetate.