Are ionic liquids and liquid coordination complexes really different? – Synthesis, characterization, and catalytic activity of AlCl3/base catalysts

Rajkumar Kore; Steven P. Kelley; Anand D. Sawant; Manish Kumar Mishra; Robin D. Rogers

doi:10.1039/D0CC01452D

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Are ionic liquids and liquid coordination complexes really different? – Synthesis, characterization, and catalytic activity of AlCl₃/base catalysts†

Rajkumar Kore,

^a Steven P. Kelley,

^a Anand D. Sawant,^a Manish Kumar Mishra

^a and Robin D. Rogers

*^ab

Author affiliations

* Corresponding authors

^a College of Arts & Sciences, The University of Alabama, Tuscaloosa, AL 35487, USA
E-mail: rdrogers@ua.edu

^b 525 Solutions, Inc., P.O. Box 2206, Tuscaloosa, AL 35403, USA

Abstract

Lewis acid/base catalysts of AlCl₃/N-methyl-2-pyrrolidone (O-NMP) and AlCl₃/1-methylimidazole (N-Mim) were prepared and found to have higher catalytic activity in the Friedel–Crafts alkylation of benzene than the known super acidic ionic liquid chloroaluminate [HN₂₂₂][Al₂Cl₇] ([HN₂₂₂]⁺ = triethylammonium). Crystals structures were obtained for AlCl₃(N-Mim), [AlCl₂(O-NMP)₂][AlCl₄], and [Al(O-NMP)₆][AlCl₄]₃·(C₆H₆)₃ supporting the assignments of neutral and charged catalytic species.

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Article information

DOI: https://doi.org/10.1039/D0CC01452D
Article type: Communication
Submitted: 24 Feb 2020
Accepted: 27 Mar 2020
First published: 27 Mar 2020

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Chem. Commun., 2020,56, 5362-5365

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Are ionic liquids and liquid coordination complexes really different? – Synthesis, characterization, and catalytic activity of AlCl₃/base catalysts

R. Kore, S. P. Kelley, A. D. Sawant, M. K. Mishra and R. D. Rogers, Chem. Commun., 2020, 56, 5362 DOI: 10.1039/D0CC01452D

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