Bis(triphenyl-λ5-phosphanylidene)ammonium hydrogendifluoride Chemische Eigenschaften,Einsatz,Produktion Methoden
Verwenden
Bifluoride salt reported by
K. Barry Sharpless and colleagues as a catalyst for sulfur(VI) fluoride exchange (
SuFEx)-based AA-BB polycondensation reactions to prepare polysulfonates with diverse structures, narrow polydispersity, and excellent thermal and hydrolytic stability. Bisalkylsulfonyl fluorides, the AA monomers, were prepared from ethenesulfonyl fluoride (
746959) and amines/anilines while bisphenol bis(t-butyldimethylsilyl) ethers, the BB monomers, were synthesized using tert-butyldimethylsilyl chloride (
190500) and bisphenols. Varying the amines, anilines, and bisphenols results in assorted polymeric backbones, including those bearing orthogonal side chains for modification post-polymerization (e.g. by CuAAC). Reaction is amenable to scale up.
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Bis(triphenyl-λ5-phosphanylidene)ammonium hydrogendifluoride Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
