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Issue 15, 2017
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Cu(II)-grafted SBA-15 functionalized S-methylisothiourea aminated epibromohydrin (SBA-15/E-SMTU-CuII): a novel and efficient heterogeneous mesoporous catalyst

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Abstract

Cu(II)-grafted SBA-15 functionalized S-methylisothiourea aminated epibromohydrin (SBA-15/E-SMTU-CuII) as a novel and efficient, heterogeneous mesoporous catalyst was synthesized and characterized by different techniques, such as FT-IR, BET, small-angle XRD, FE-SEM, TEM, TGA, ICP-OES and CHNS analysis. The as-synthesized catalyst revealed a superior catalytic activity towards the one-pot synthesis of tetrahydropyridine derivatives through the pseudo five-component reactions of aromatic aldehydes, aromatic amines and ethyl/methyl acetoacetate, in ethanol at room temperature. Importantly, the synthesized mesoporous catalyst can be recovered and reused at least ten times without any appreciable loss in its catalytic reactivity. Moreover, a TEM image of the recovered catalyst after ten consecutive runs clearly proved the advantageous durability and stability of the presented catalyst under the applied reaction condition.

Graphical abstract: Cu(ii)-grafted SBA-15 functionalized S-methylisothiourea aminated epibromohydrin (SBA-15/E-SMTU-CuII): a novel and efficient heterogeneous mesoporous catalyst

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Publication details

The article was received on 14 Mar 2017, accepted on 15 Jun 2017 and first published on 15 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ00849J
Citation: New J. Chem., 2017,41, 7203-7219
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    Cu(II)-grafted SBA-15 functionalized S-methylisothiourea aminated epibromohydrin (SBA-15/E-SMTU-CuII): a novel and efficient heterogeneous mesoporous catalyst

    R. Jahanshahi and B. Akhlaghinia, New J. Chem., 2017, 41, 7203
    DOI: 10.1039/C7NJ00849J

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