Organic reactions in ionic liquids studied by in situ XPS

Niedermaier I, Kolbeck C, Taccardi N, Schulz P, Li J, Drewello T, Wasserscheid P, Steinrück HP, Maier F (2012)


Publication Type: Journal article

Publication year: 2012

Journal

Original Authors: Niedermaier I., Kolbeck C., Taccardi N., Schulz P.S., Li J., Drewello T., Wasserscheid P., Steinrück H.-P., Maier F.

Publisher: Wiley-Blackwell / Wiley-VCH Verlag

Book Volume: 13

Pages Range: 1725-1735

Journal Issue: 7

DOI: 10.1002/cphc.201100965

Abstract

We demonstrate the application of in situ X-ray photoelectron spectroscopy (XPS) to monitor organic, liquid-phase reactions. By covalently attaching ionic head groups to the reacting organic molecules, their volatility can be reduced such that they withstand ultra high vacuum conditions. The applied method, which is new for the investigation of organic reactions, allows for following the fate of all elements present in the reaction mixtureexcept for hydrogenin a quantitative and oxidation-state-sensitive manner in one experiment. This concept is demonstrated for the alkylation of a tertiary amine attached to an imidazolium or phosphonium moiety by the anion 4-chlorobutylsulfonate ([ClC H SO ] ). In the course of the reaction, the covalently bound chlorine is converted to chloride and the amine to ammonium as reflected by the distinct shifts in the N 1s and Cl 2p binding energies. © 2012 Wiley-VCH Verlag GmbH& Co. KGaA, Weinheim.

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APA:

Niedermaier, I., Kolbeck, C., Taccardi, N., Schulz, P., Li, J., Drewello, T.,... Maier, F. (2012). Organic reactions in ionic liquids studied by in situ XPS. ChemPhysChem, 13(7), 1725-1735. https://dx.doi.org/10.1002/cphc.201100965

MLA:

Niedermaier, Inga, et al. "Organic reactions in ionic liquids studied by in situ XPS." ChemPhysChem 13.7 (2012): 1725-1735.

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