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Issue 7, 2018
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An efficient halometallate ionic liquid functionalized mesoporous ZSM-5 for the reduction of carbon–carbon multiple bonds

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Abstract

Transition metal-containing halometallate ionic liquids (ILs)-based economical catalysts have been developed for the selective reduction of carbon–carbon multiple bonds with hydrazine hydrate in ethanol under mild reaction condition. ILs have been tethered to the surface of mesoporous ZSM-5. The Mn-based halometallate IL tethered to the surface of mesoporous ZSM-5 exhibited the best activity compared to the parent halometallate ILs. It demonstrated efficient recyclability with no appreciable loss in the catalytic activity even after being recycled five times. In order to establish the reaction mechanism, ILs-hydrazine complexes were prepared and investigated in reduction reactions. The structure–activity relationship was established by their catalytic activities, physicochemical characterizations, ILs-hydrazine complex formation, and probe reactions. The catalyst also exhibited excellent activity in the reduction of alkynes to alkanes. This catalytic process demonstrated several key advantages such as mild and convenient reaction condition, low substrate to hydrazine ratio, reusability, and the cost-effectiveness of the catalyst.

Graphical abstract: An efficient halometallate ionic liquid functionalized mesoporous ZSM-5 for the reduction of carbon–carbon multiple bonds

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Publication details

The article was received on 19 Mar 2018, accepted on 09 May 2018 and first published on 10 May 2018


Article type: Research Article
DOI: 10.1039/C8QI00245B
Citation: Inorg. Chem. Front., 2018,5, 1609-1621
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    An efficient halometallate ionic liquid functionalized mesoporous ZSM-5 for the reduction of carbon–carbon multiple bonds

    B. Sarmah, R. Kore and R. Srivastava, Inorg. Chem. Front., 2018, 5, 1609
    DOI: 10.1039/C8QI00245B

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