Non disponible en dehors du Royaume-Uni et de l'Irlande
Application
Pyrylium tetrafluoroborate is used for the functionalization of heterocyclic amines, activating them for nucleophilic substitution. As demonstrated by the Cornella lab, the intermediate pyridinium salts can react with a vast array of nucelophiles to form new C-N, C-O, and C-S bonds, making pyrylium tetrafluoroborate a valuable reagent for late-stage functionalization.
Other Notes
Selective Functionalization of Aminoheterocycles by a Pyrylium SaltSelective Late-Stage Sulfonyl Chloride Formation from Sulfonamides Enabled by PyryBF4Synthesis of Sulfonyl Fluorides from Sulfonamides
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