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Issue 6, 2009
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N-alkylation of N-heterocyclic ionic liquid precursors in ionic liquids

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Abstract

The room temperature ionic liquids [BMIM][PF6] and [P14][Tf2N] in conjunction with KOH are superior reaction media for the alkylation of the secondary amine 3-azabicyclo[3.2.2]nonane under mild conditions. The factors examined were alkyl halide chain length (C1 to C4) and halide identity (Cl, Br, I). The tertiary amine products are released from the reaction medium as a separate layer and can be isolated in good yields by simple decantation.

Graphical abstract: N-alkylation of N-heterocyclic ionic liquid precursors in ionic liquids

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Publication details

The article was received on 07 Oct 2008, accepted on 23 Feb 2009 and first published on 12 Mar 2009


Article type: Paper
DOI: 10.1039/B817526H
Citation: Green Chem., 2009,11, 804-809
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    N-alkylation of N-heterocyclic ionic liquid precursors in ionic liquids

    T. Rüther, T. Ross, E. J. Mensforth and A. F. Hollenkamp, Green Chem., 2009, 11, 804
    DOI: 10.1039/B817526H

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