A Surface‐Active Pt(II) Bis‐N‐Heterocyclic Carbene (NHC) Complex for Interface‐Enhanced Supported Ionic Liquid Phase (SILP) Catalysis

descriptionPublicationkeyboard_double_arrow_right Article 04 Dec 2024 Germany English Publisher:WileyJournal:Chemistry – A European Journal, volume 31 (issn: 0947-6539, eissn: 1521-3765,

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Authors: Bergen, Alexander; Hemmeter, Daniel; Barreto, Jade; Maier, Florian; Scheurer, Andreas; Heinemann, Frank W.; Steinrück, Hans-Peter; +1 Authors

doi: 10.1002/chem.202402827 , 10.5281/zenodo.12772249 , 10.5281/zenodo.12772248

pmid: 39581868

A Surface‐Active Pt(II) Bis‐N‐Heterocyclic Carbene (NHC) Complex for Interface‐Enhanced Supported Ionic Liquid Phase (SILP) Catalysis

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Abstract

AbstractWe present the preparation and investigation of a fluorine‐free surface‐active bis‐N‐heterocyclic carbene (NHC) platinum(II) complex — trans‐[Pt(mPEG3C8Im)2Cl2] — for interface‐enhanced supported ionic liquid phase (SILP) catalysis within a group of (mPEGn)‐substituted ionic liquids (ILs) ([(mPEGn)2Im][A] ILs). The complex was characterized by means of single‐crystal X‐ray diffraction (scXRD) analysis and multinuclear (1H, 13C, 195Pt) NMR spectroscopy, indicating the presence of two almost equimolar syn–anti‐rotamers of the square‐planar complex in solution. Angle‐resolved X‐ray photoelectron spectroscopy (ARXPS) revealed pronounced interface‐accumulation of trans‐[Pt(mPEG3C8Im)2Cl2] in IL solutions of [(mPEG2)2Im][A] (A−=I− and PF6−).

Country

Germany

Related Organizations

University of Erlangen-Nuremberg
Germany

Keywords

X-ray photoelectron spectroscopy, Platinum N-heterocyclic carbene complexes, Interfaces, Ionic liquids

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