γ-Lactones are aromatic molecules which constitute the aroma or flavour of many natural products. Functionalized γ-lactones have attracted attention in recent years due to their synthetic importance as building blocks in bioactive natural product synthesis. Furthermore the δ-hydroxy-γ-lactone motif is the core structure of bioactive natural products. To synthesise lactones, an attractive method consists of subjecting β, γ-or γ, δ-unsaturated ...
