The Preparation of (α-Alkylidene)tetrahydrofuran by Tungsten Catalyzed Decarboxylation of Aldol Precursors

Article abstract of DOI:10.1016/S0040-4039(00)61775-6

A series of substituted (α-alkylidene)tetrahydrofurans was prepared by tungsten catalyzed reaction of substituted hydroxyfuroic acids.These reactions likely involve β-lactone intermediates which decarboxylate under the reaction conditions, and rates for o