Covalent Immobilization of Imidazolium Cations Inside a Silica Support: Palladium-Catalyzed Olefin Hydrogenation

Wang L, Shylesh S, Dehe D, Philippi T, Doerr G, Seifert A, Zhou Z, Hartmann M, Klupp Taylor R, Jia M, Ernst S, Thiel WR (2012)

Publication Language: English

Publication Status: Published

Publication Type: Journal article, Original article

Publication year: 2012

Journal

ChemCatChem Wiley-VCH Verlag

Publisher: Wiley-VCH Verlag

Book Volume: 4

Pages Range: 395-400

Journal Issue: 3

DOI: 10.1002/cctc.201100329

Abstract

Mesoporous organosilica materials with different contents of bistrialkoxysilyl imidazolium salts in the framework were synthesized by a one-step synthesis. Textural characterization of the materials confirmed that the morphology and surface properties of the imidazolium-bridged organosilicas depended critically on the amount of organic groups in the framework, whereas solid-state NMR characterization showed that the imidazolium fragments were integrated covalently into the framework. Further reaction of these materials with Pd(OAc)(2), followed by reduction with NaBH4 yielded palladium nanoparticles stabilized in the mesoporous organosilicas. The stabilizing effect of the imidazolium cations and the mesostructure contributed to the high activity, selectivity, and stability of the palladium nanoparticles and allowed olefin hydrogenation under mild reaction conditions.

Authors with CRIS profile

Zhou Zhou Interdisziplinäres Zentrum Erlangen Catalysis Resource Center (ECRC) Martin Hartmann Professur für Katalyse Robin Klupp Taylor Professur für Nanostructured Particles

Additional Organisation(s)

Interdisziplinäres Zentrum Erlangen Catalysis Resource Center (ECRC) Exzellenz-Cluster Engineering of Advanced Materials (EAM)

Related research project(s)

EnCN 2 - Wasserstoffspeicherung Energie Campus 2 (EnCN 2) - Speicher, Projektteil B - Speicher mit Marktreife bis 2022 Jan. 1, 2017 - Dec. 31, 2021

Involved external institutions

Technische Universität Chemnitz DE Germany (DE) Technische Universität Kaiserslautern DE Germany (DE) Jilin University (JLU) / 吉林大学 CN China (CN)

How to cite

APA:

Wang, L., Shylesh, S., Dehe, D., Philippi, T., Doerr, G., Seifert, A.,... Thiel, W.R. (2012). Covalent Immobilization of Imidazolium Cations Inside a Silica Support: Palladium-Catalyzed Olefin Hydrogenation. ChemCatChem, 4(3), 395-400. https://doi.org/10.1002/cctc.201100329

MLA:

Wang, Lei, et al. "Covalent Immobilization of Imidazolium Cations Inside a Silica Support: Palladium-Catalyzed Olefin Hydrogenation." ChemCatChem 4.3 (2012): 395-400.

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