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Immobilization of Ru(II)(salen)(PPh3)2 on Mesoporous MCM-41/SBA-15: Characterization and Catalytic Applications

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Abstract

Ru(II)(salen)(PPh3)2 immobilized on MCM-41 and SBA-15 modified with aminopropyl groups as linkers has been synthesized and characterized by elemental analysis, TEM, FTIR, BET, and TGA. Elemental analysis shows that the grafted samples contain 0.7–0.8 wt.% Ru. The retaining of long range ordering of the mesoporous MCM-41 and SBA-15 supporting materials after grafting is evident from TEM and N2 adsorption/desorption measurements. FTIR and TGA spectra show the formation of metal salen complexes with the amino groups acting as connectors to the SiO2 surface. Both grafted materials were successfully applied as catalysts for the olefination of various aldehydes with very good yields and high E-selectivity. The catalyst materials are recyclable for several catalytic runs.

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Acknowledgments

S. is grateful to the TPSDP (Technological Professional Skills and Development Project) supported by Asian Development Bank Loan no. 1792-INO for financial support. A.S. thanks the Bayerische Forschungsstiftung for the financial support. S. W. thanks the Alexander von Humboldt foundation for financial support. The authors also thank Dr. Marianne Hanzlik for experimental support. The Fonds der Chemischen Industrie and the Leonhard-Lorenz-Stiftung are acknowledged for financial support.

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Authors and Affiliations

  1. Department für Chemie der Technischen Universität München, Molekulare Katalyse, Lichtenbergstrasse 4, 85747, Garching, Germany

    Syukri Syukri, Ayyamperumal Sakthivel, Wei Sun & Fritz E. Kühn

  2. Department of Chemistry, Instituto Tecnológico e Nuclear (ITN), Estrada Nacional No. 10, 2686-953, Sacavém, Portugal

    Syukri Syukri, Ayyamperumal Sakthivel, Wei Sun & Fritz E. Kühn

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  1. Syukri Syukri
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  2. Ayyamperumal Sakthivel
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  3. Wei Sun
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  4. Fritz E. Kühn
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Correspondence to Fritz E. Kühn.

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Syukri, S., Sakthivel, A., Sun, W. et al. Immobilization of Ru(II)(salen)(PPh3)2 on Mesoporous MCM-41/SBA-15: Characterization and Catalytic Applications. Catal Lett 128, 18–24 (2009). https://doi.org/10.1007/s10562-008-9699-7

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  • DOI: https://doi.org/10.1007/s10562-008-9699-7

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