New ionic liquids containing an appended hydroxyl functionality from the atom-efficient, one-pot reaction of 1-methylimidazole and acid with propylene oxide

John Holbrey, M.B. Turner, W.M. Reichert, Robin Rogers

Research output: Contribution to journalArticlepeer-review

113 Citations (Scopus)

Abstract

New ionic liquids containing ( 2- hydroxypropyl)- functionalized imidazolium cations have been synthesized by the atom- efficient, room temperature reaction of 1- methylimidazole with acid and propylene oxide; the acid providing the anionic component of the resultant ionic liquids. The incorporation of the secondary hydroxyl- functionality in the cation causes some interesting modifications to the behavior of these ionic liquids, increasing hydrophilicity and resulting in the unprecedented formation of liquid - liquid biphases with acetone. The single crystal structure of 1-( 2- hydroxypropyl)- 3- methylimidazolium tetraphenylborate, prepared by metathesis of the corresponding chloride- containing ionic liquid, has also been determined.
Original languageEnglish
Pages (from-to)731-736
Number of pages6
JournalGreen Chemistry
Volume5
Issue number6
DOIs
Publication statusPublished - Dec 2003

ASJC Scopus subject areas

  • Chemistry(all)

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