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Magnetically recyclable magnetite-nickel nanocatalyst for the reduction of nitroarenes

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Year: 2019
COI code: ICCO02_012
Paper Language: English

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Authors Magnetically recyclable magnetite-nickel nanocatalyst for the reduction of nitroarenes

  Mahsa Niakan - Shiraz University, Shiraz, Iran
  Sabah Karimi - University of Tabriz, Tabriz, Iran

Abstract:

Structurally diverse anilines constitute major building blocks and key intermediates for the production of drugs, pharmaceuticals,pigments, dyes, and agrochemicals [1,2]. The typical route for their production is the selective reduction of the corresponding nitroderivatives.Catalytic reduction using heterogeneous metal catalysts is a well-established technique and often regarded as themethod of choice for the reduction of nitroarenes to anilines [3]. Herein, 1,2-diaminocyclohexane Ni-complex supported onmagnetic nanoparticles was synthesized and characterized by different methods such as scanning electron microscopy (SEM),transmission electron microscopy (TEM), vibrating sample magnetometry (VSM), and inductively couple plasma atomic emissionspectroscopy (ICP-AES). The prepared nanohybrid was used as a highly efficient and magnetically recyclable catalyst for thereduction of diverse functionalized nitro compounds to the corresponding anilines in ethanol at 50 °C. NaBH4 served as the sourceof inexpensive hydride. Furthermore, the synthesized catalyst was separated easily by using an external magnet and recycled up tofour cycles without significant decrease in catalytic activity and selectivity.

Keywords:

Magnetic nanoparticles; Nickel; Reduction; Nitroarene

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COI code: ICCO02_012

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Niakan, Mahsa & Sabah Karimi, 2019, Magnetically recyclable magnetite-nickel nanocatalyst for the reduction of nitroarenes, 2nd Iranian Catalyst Conference, تهران- دانشگاه خوارزمي- دانشكده شيمي, دانشگاه خوارزمي, https://www.civilica.com/Paper-ICCO02-ICCO02_012.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
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Type: state university
Paper No.: 16015
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