Abstract

A substitution reaction of O-, S-, or N-nucleophiles onto fluorinated isoxazolines via carbon–fluorine (C-F) bond cleavage was achieved. The C-F bond at the C5 position of fluorinated isoxazolines was dissociated by using SnCl4 for the generation of a carbocation intermediate in this reaction. Subsequently, various nucleophiles such as alcohols, thiols, and amines were introduced, enabling the conversion to CO, C-S, or CN bonds and the formation of a new quaternary carbon center.

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