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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 for the green, one-pot, pseudo five-component synthesis of tetrahydropyridine derivatives at room temperature

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 for at least ten times without any appreciable loss of its catalytic reactivity. Moreover, TEM image of the recovered catalyst after ten consecutive runs clearly proved the privileged durability and stability of the presented catalyst under the applied reaction condition.

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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, Accepted Manuscript
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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 for the green, one-pot, pseudo five-component synthesis of tetrahydropyridine derivatives at room temperature

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

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