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Chem. Commun., 2001, 2484 - 2485, DOI: 10.1039/b109340c

Hydrophobic ionic liquids incorporating N-alkylisoquinolinium cations and their utilization in liquid–liquid separations

Ann E. Visser, John D. Holbrey and Robin D. Rogers

The first examples of Room Temperature Ionic Liquids (RTIL) containing fused polycyclic N-alkylisoquinolinium cations ([Cnisoq]+) in combination with the bis(perfluoroethylsulfonyl)imide anion ([BETI]–) have been synthesized, characterized, and utilized in liquid–liquid partitioning from water; these salts have unexpectedly low melting points and give high distribution ratios for aromatic solutes, especially chlorobenzenes, between the RTIL and water.

Graphical abstract image for this article (ID: b109340c)