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PLA-TiO2 particle brush as novel support for CuNPs: A catalyst for fast sequential reduction and N-arylation of nitroarenes

Abstract

The present study describes the synthesis and characterization of dispersible copper nanoparticles on a biodegradable PLA-TiO2 particle brush and its catalytic efficiency in conducting sequential reactions. The prepared CuNPs@ PLA-TiO2 was characterized by various techniques like SEM, TEM, EDAX, FT-IR, TGA, XRD and UV-Vis spectroscopy. The support controlled the size of nanoparticles between 2-6 nm and prevented their agglomeration during catalysis. Zeta potential of -70.3 mV was measured for the dispersed catalyst which indicated its high stability. The nanoparticles were effectively used for the synthesis of biphenyl amines from nitro arenes by sequentially carrying out reduction and N-arylation in a single pot. Large reduction in reaction time of N-arylation and recyclability are the hallmark of developed catalytic system.

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Publication details

The article was received on 20 Dec 2016, accepted on 03 May 2017 and first published on 05 May 2017


Article type: Paper
DOI: 10.1039/C6NJ04007A
Citation: New J. Chem., 2017, Accepted Manuscript
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    PLA-TiO2 particle brush as novel support for CuNPs: A catalyst for fast sequential reduction and N-arylation of nitroarenes

    N. Barot, T. Shaikh and H. Kaur, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C6NJ04007A

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