Base‐Mediated Syntheses of New 6,6′‐Di(polyfluoroalkoxy)‐2,2′‐bipyridines with 100% Regioselectivity.

Abstract

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Fluoroalkyl-functional imidazoles and imidazolium–based ionic liquids prepared via thiol-ene/yne click chemistry

“…A synthetic strategy for obtaining hydrophobic ionic liquids is to incorporate fluorinated anions, 13 commonly bis(trifluoromethylsulfonyl)imide (Tf 2 N -) and hexafluorophosphate (PF 6 -), or cations with fluorinated arms or "ponytails." [14][15][16][17] It should be noted that cation-fluorinated moiety development has received considerably less attention, probably due to high materials cost and synthetic challenges. 14,[18][19] Fluorinated ionic liquids should have lower surface energies relative to their hydrocarbon analogues, offering an intriguing new array of potential omniphobic applications.…”