Colored Ionic Liquid Based on Stable Polycyclic Anion Salt Showing Halochromism with HCl Vapor,Organic Letters

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Colored Ionic Liquid Based on Stable Polycyclic Anion Salt Showing Halochromism with HCl Vapor
Organic Letters ( IF 4.9 ) Pub Date : 2019-03-21 00:00:00 , DOI: 10.1021/acs.orglett.9b00468
Hideo Enozawa ₁ , Shusaku Ukai ₁ , Hiroshi Ito ₁ , Tsuyoshi Murata ₁ , Yasushi Morita ₁

Affiliation

A sodium salt of a polycyclic trioxotriangulene (TOT) anion with six triethylene glycol chains exhibiting the formation of a colored ionic liquid at room temperature was synthesized. The ionic liquid is air- and water-stable, reflecting thermodynamic stabilization of a charge-delocalized TOT anion. Upon protonation of the TOT anion, the salt shows halochromic behaviors in solution and even in the neat liquid state with HCl vapor. The ionic liquid shows no morphological change with the chromism, presumably as a result of poor intermolecular interactions between π skeletons.

中文翻译：

基于稳定的多环阴离子盐的有色离子液体，显示出具有HCl蒸气的卤致变色现象

合成了具有六个三甘醇链的多环三氧三angululene（TOT）阴离子的钠盐，该钠盐在室温下显示出有色离子液体的形成。离子液体是空气和水稳定的，反映了电荷离域的TOT阴离子的热力学稳定性。在对TOT阴离子进行质子化后，该盐在溶液中甚至在纯净的HCl蒸汽状态下均显示出卤化行为。离子液体没有显示出与色度有关的形态变化，这可能是由于π骨架之间不良的分子间相互作用所致。

更新日期：2019-03-21

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