An 8-sulfonamidoquinoline derivative with imidazolium unit as an extraction reagent for use in ionic liquid chelate extraction systems

作者：Morita Keisuke; Hirayama Naoki^*; Morita Kotaro; Imura Hisanori

来源：Analytica Chimica Acta, 2010, 680(1-2): 21-25.

DOI：10.1016/j.aca.2010.09.031

• Ionic liquids
• Chelate extraction
• Divalent metal cations
• 8-Sulfonamidoquinoline derivative
• Task-specific onium salt

To evaluate the superiority of using a task-specific onium salt (TSOS), a novel TSOS reagent 1-methyl-3-12-(8-quinolinylaminosulfonyl)ethyl]imidazolium chloride (HmimesqCl) was synthesized, and its performance in extraction of different divalent metal cations was investigated. This TSOS reagent has both a cationic imidazolium unit and an anionic (proton-dissociable) complexation unit for the extraction of metal cations into an ionic liquid. In the use of HmimesqCl, relatively high extraction of metals resulted in comparison with the use of its non-imidazolium analogs, without changing the extraction selectivity.

• 出版日期2010-11-8