Macroreticular p-(ω-sulfonic-perfluoroalkylated) polystyrene ion-exchange resins: a new type of selective solid acid catalyst

Chemical Communications Pub Date: 2005-06-15 DOI: 10.1039/B504767F

Abstract

Macroreticular p-(ω-sulfonic-perfluoroalkylated) polystyrene (FPS) cation-exchange resins 3 have been synthesized by sequential p-perfluoroalkylation of macroreticular polystyrene (PS) 1 with ω-fluorosulfonylperfluorodiacyl peroxide 2, hydrolysis and acidification; the fluorinated mesoporous resins exhibited higher activity and selectivity than commercial Amberlyst 36 and Nafion NR50 in the cyclization of pseudoionone.

Graphical abstract: Macroreticular p-(ω-sulfonic-perfluoroalkylated) polystyrene ion-exchange resins: a new type of selective solid acid catalyst
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