Preparation of β-Trifluoromethyl-γ-butyrolactones via Claisen Rearrangement

All articles of this category The Claisen rearrangement of allylic alcohol 2 provided the β-trifluoromethyl γ, δ-ethylenic ester 3 which gave access to a series of βtrifluoromethyl-γ-butyrolactones 1 .