Lewis Superacidic Ionic Liquids with Tricoordinate Borenium Cations

Sesime Coffie; James M. Hogg; Lucie Cailler; Albert Ferrer-Ugalde; Richard W. Murphy; John D. Holbrey; Fergal Coleman; Malgorzata Swadzba-Kwasny

doi:10.1002/anie.201508653

Lewis Superacidic Ionic Liquids with Tricoordinate Borenium Cations

Sesime Coffie, James M. Hogg, Lucie Cailler, Albert Ferrer-Ugalde, Richard W. Murphy, John D. Holbrey, Fergal Coleman, Malgorzata Swadzba-Kwasny

School of Chemistry and Chemical Engineering

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Abstract

The first examples of ionic liquids based on borenium cations, [BCl2L](+), are reported. These compounds form highly Lewis acidic liquids under solvent-free conditions. Their acidity was quantified by determining the Gutmann acceptor number (AN). Extremely high ANs were recorded (up to AN=182, delta(31P)=120 ppm), demonstrating that these borenium ionic liquids are the strongest Lewis superacids reported to date, with the acidity enhanced by the ionic liquid environment.

Original language	English
Pages (from-to)	14970-14973
Number of pages	4
Journal	Angewandte Chemie International Edition
Volume	54
Issue number	49
Early online date	23 Oct 2015
DOIs	https://doi.org/10.1002/anie.201508653
Publication status	Published - 01 Dec 2015

Keywords

borenium cations
boron
Group 13 elements
ionic liquids
Lewis acids

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10.1002/anie.201508653

Lewis superacidic ionic liquids with tricoordinate borenium cations
© The Authors, 2015 This is the pre-peer reviewed version of the following article: Coffie, S., Hogg, J. M., Cailler, L., Ferrer-Ugalde, A., Murphy, R. W., Holbrey, J. D., Coleman, F. and Swadzba-Kwasny, M. (2015), Lewis Superacidic Ionic Liquids with Tricoordinate Borenium Cations. Angew. Chem. Int. Ed., 54: 14970–14973. doi:10.1002/anie.201508653, which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/anie.201508653/abstract.
Submitted manuscript, 2.84 MB

Gosia Swadzba-Kwasny
- m.swadzba-kwasnyqub.acuk
Person: Research, Academic

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title = "Lewis Superacidic Ionic Liquids with Tricoordinate Borenium Cations",

abstract = "The first examples of ionic liquids based on borenium cations, [BCl2L](+), are reported. These compounds form highly Lewis acidic liquids under solvent-free conditions. Their acidity was quantified by determining the Gutmann acceptor number (AN). Extremely high ANs were recorded (up to AN=182, delta(31P)=120 ppm), demonstrating that these borenium ionic liquids are the strongest Lewis superacids reported to date, with the acidity enhanced by the ionic liquid environment.",

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author = "Sesime Coffie and Hogg, \{James M.\} and Lucie Cailler and Albert Ferrer-Ugalde and Murphy, \{Richard W.\} and Holbrey, \{John D.\} and Fergal Coleman and Malgorzata Swadzba-Kwasny",

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T1 - Lewis Superacidic Ionic Liquids with Tricoordinate Borenium Cations

AU - Coffie, Sesime

AU - Hogg, James M.

AU - Cailler, Lucie

AU - Ferrer-Ugalde, Albert

AU - Murphy, Richard W.

AU - Holbrey, John D.

AU - Coleman, Fergal

AU - Swadzba-Kwasny, Malgorzata

PY - 2015/12/1

Y1 - 2015/12/1

N2 - The first examples of ionic liquids based on borenium cations, [BCl2L](+), are reported. These compounds form highly Lewis acidic liquids under solvent-free conditions. Their acidity was quantified by determining the Gutmann acceptor number (AN). Extremely high ANs were recorded (up to AN=182, delta(31P)=120 ppm), demonstrating that these borenium ionic liquids are the strongest Lewis superacids reported to date, with the acidity enhanced by the ionic liquid environment.

AB - The first examples of ionic liquids based on borenium cations, [BCl2L](+), are reported. These compounds form highly Lewis acidic liquids under solvent-free conditions. Their acidity was quantified by determining the Gutmann acceptor number (AN). Extremely high ANs were recorded (up to AN=182, delta(31P)=120 ppm), demonstrating that these borenium ionic liquids are the strongest Lewis superacids reported to date, with the acidity enhanced by the ionic liquid environment.

KW - borenium cations

KW - boron

KW - Group 13 elements

KW - ionic liquids

KW - Lewis acids

U2 - 10.1002/anie.201508653

DO - 10.1002/anie.201508653

M3 - Article

SN - 1433-7851

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JO - Angewandte Chemie International Edition

JF - Angewandte Chemie International Edition

IS - 49

ER -

Lewis Superacidic Ionic Liquids with Tricoordinate Borenium Cations

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