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Issue 49, 2016
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Non-covalent immobilisation of p-toluenesulfonic acid in a porous molecular crystal for size-specific acid-catalysed reactions

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Abstract

Non-covalent immobilisation of catalysts in nanoporous materials is a promising way to apply homogeneous catalysts to heterogeneous catalytic reactions. Herein we report a size-specific catalytic reaction with an acid catalyst, p-toluenesulfonic acid, immobilised in a porous molecular crystal, metal–macrocycle framework (MMF), composed of metallo-macrocycles. A tritylated substrate which is smaller than the pore dimension of MMF was deprotected by the heterogeneous catalyst, whereas the reaction with a larger substrate was completely suppressed due to the steric restriction.

Graphical abstract: Non-covalent immobilisation of p-toluenesulfonic acid in a porous molecular crystal for size-specific acid-catalysed reactions

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Publication details

The article was received on 28 Mar 2016, accepted on 26 Apr 2016 and first published on 26 Apr 2016


Article type: Communication
DOI: 10.1039/C6CC02621D
Citation: Chem. Commun., 2016,52, 7657-7660
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    Non-covalent immobilisation of p-toluenesulfonic acid in a porous molecular crystal for size-specific acid-catalysed reactions

    S. Tashiro, H. Yonezawa, R. Kubota, T. Umeki and M. Shionoya, Chem. Commun., 2016, 52, 7657
    DOI: 10.1039/C6CC02621D

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