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

We present the preparation and investigation of a fluorine-free surface-active bis-N-heterocyclic carbene (NHC) platinum(II) complex - trans-[Pt(mPEG<sub>3</sub>C<sub>8</sub>Im)<sub>2</sub>Cl<sub>2</sub>] - for interface-enhanced supported ionic liquid phase (SILP) catalysis within a group of (mPEG<sub>n</sub>)-substituted ionic liquids (ILs) ([(mPEG<sub>n</sub>)<sub>2</sub>Im][A] ILs). The complex was characterized by means of single-crystal X-ray diffraction (scXRD) analysis and multinuclear (<sup>1</sup>H, <sup>13</sup>C, <sup>195</sup>Pt) 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(mPEG<sub>3</sub>C<sub>8</sub>Im)<sub>2</sub>Cl<sub>2</sub>] in IL solutions of [(mPEG<sub>2</sub>)<sub>2</sub>Im][A] (A<sup>-</sup>=I<sup>-</sup> and PF<sub>6</sub> <sup>-</sup>).

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Publication Details

Journal
Chemistry - A European Journal
Published
2024-11-24
DOI
https://doi.org/10.1002/chem.202402827
Citations
4
Primary Topic
N-Heterocyclic Carbenes in Organic and Inorganic Chemistry
Type
article
Field-Weighted Citation Impact
1.00

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article

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

Karsten Meyer, Jade Barreto, Daniel Hemmeter, Hans‐Peter Steinrück et al.
4 citations
Chemistry - A European Journal
N-Heterocyclic Carbenes in Organic and Inorganic Chemistry
1.00
article

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

Karsten Meyer, Jade Barreto, Daniel Hemmeter, Hans‐Peter Steinrück, Frank W. Heinemann, Alexander Bergen, Florian Maier, Andreas Scheurer
article en
4 citations

Abstract

We present the preparation and investigation of a fluorine-free surface-active bis-N-heterocyclic carbene (NHC) platinum(II) complex - trans-[Pt(mPEG<sub>3</sub>C<sub>8</sub>Im)<sub>2</sub>Cl<sub>2</sub>] - for interface-enhanced supported ionic liquid phase (SILP) catalysis within a group of (mPEG<sub>n</sub>)-substituted ionic liquids (ILs) ([(mPEG<sub>n</sub>)<sub>2</sub>Im][A] ILs). The complex was characterized by means of single-crystal X-ray diffraction (scXRD) analysis and multinuclear (<sup>1</sup>H, <sup>13</sup>C, <sup>195</sup>Pt) 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(mPEG<sub>3</sub>C<sub>8</sub>Im)<sub>2</sub>Cl<sub>2</sub>] in IL solutions of [(mPEG<sub>2</sub>)<sub>2</sub>Im][A] (A<sup>-</sup>=I<sup>-</sup> and PF<sub>6</sub> <sup>-</sup>).

Chemistry - A European JournalVol. 31(2)
Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
Verband der Chemischen Industrie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Deutsche Forschungsgemeinschaft, Bundesministerium für Bildung und Forschung, Studienstiftung des Deutschen Volkes
Clean water and sanitation
Openalex Percentile: Top 26%
N-Heterocyclic Carbenes in Organic and Inorganic Chemistry
1.00
DOIOpen Access PDFOpenAlex
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