Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen source

This study reports an efficient heterogeneous catalyst Ru-gC3N4 (Ru-GCN) developed for the selective hydrogen transfer reduction reaction of nitroarenes to the corresponding amine. It helps to avoid multistep reaction in the field of organic synthesis. The catalyst Ru-gC3N4 shows excellent activity...

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Main Authors: Sourav Chakraborty, Yoel Sasson
Format: Article
Language:English
Published: Elsevier 2022-01-01
Series:Results in Chemistry
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2211715622001291
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author Sourav Chakraborty
Yoel Sasson
author_facet Sourav Chakraborty
Yoel Sasson
author_sort Sourav Chakraborty
collection DOAJ
description This study reports an efficient heterogeneous catalyst Ru-gC3N4 (Ru-GCN) developed for the selective hydrogen transfer reduction reaction of nitroarenes to the corresponding amine. It helps to avoid multistep reaction in the field of organic synthesis. The catalyst Ru-gC3N4 shows excellent activity under the mild reaction parameters via using sodium hypophosphite as a hydrogen source and can be effective after many cycles without significant change in activity. The simply separable and recyclable heterogeneous Ru-gC3N4 catalyst is straight forward to operate, non-toxic, eco-friendly and at the same time replaces the comprehensive use of high pressurized hydrogen cylinder. Various types of material characterization and spectral methods such as PXRD, FTIR, SEM, TEM, XPS, and TGA are used to characterize the Ru-gC3N4 catalyst. All these properties such as good reusability and retained activity make our process sustainable and environmentally friendly. Aiming towards industrial potentiality, a gram scale experiment was reported using the developed protocol.
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spelling doaj.art-f5e8444f16534412944c72f35f02bf5c2022-12-22T03:00:46ZengElsevierResults in Chemistry2211-71562022-01-014100410Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen sourceSourav Chakraborty0Yoel Sasson1Corresponding author.; Casali Center of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, 9190401, IsraelCasali Center of Applied Chemistry, Institute of Chemistry, The Hebrew University of Jerusalem, 9190401, IsraelThis study reports an efficient heterogeneous catalyst Ru-gC3N4 (Ru-GCN) developed for the selective hydrogen transfer reduction reaction of nitroarenes to the corresponding amine. It helps to avoid multistep reaction in the field of organic synthesis. The catalyst Ru-gC3N4 shows excellent activity under the mild reaction parameters via using sodium hypophosphite as a hydrogen source and can be effective after many cycles without significant change in activity. The simply separable and recyclable heterogeneous Ru-gC3N4 catalyst is straight forward to operate, non-toxic, eco-friendly and at the same time replaces the comprehensive use of high pressurized hydrogen cylinder. Various types of material characterization and spectral methods such as PXRD, FTIR, SEM, TEM, XPS, and TGA are used to characterize the Ru-gC3N4 catalyst. All these properties such as good reusability and retained activity make our process sustainable and environmentally friendly. Aiming towards industrial potentiality, a gram scale experiment was reported using the developed protocol.http://www.sciencedirect.com/science/article/pii/S2211715622001291Heterogeneous catalystHydrogen transfer reactionGraphitic carbon nitride, Sodium hypophosphiteRuthenium catalyst
spellingShingle Sourav Chakraborty
Yoel Sasson
Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen source
Results in Chemistry
Heterogeneous catalyst
Hydrogen transfer reaction
Graphitic carbon nitride, Sodium hypophosphite
Ruthenium catalyst
title Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen source
title_full Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen source
title_fullStr Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen source
title_full_unstemmed Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen source
title_short Selective reduction of aromatic halonitroarene to corresponding amine with Ru-gC3N4 as a catalyst in presence of sodium hypophosphite as a hydrogen source
title_sort selective reduction of aromatic halonitroarene to corresponding amine with ru gc3n4 as a catalyst in presence of sodium hypophosphite as a hydrogen source
topic Heterogeneous catalyst
Hydrogen transfer reaction
Graphitic carbon nitride, Sodium hypophosphite
Ruthenium catalyst
url http://www.sciencedirect.com/science/article/pii/S2211715622001291
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AT yoelsasson selectivereductionofaromatichalonitroarenetocorrespondingaminewithrugc3n4asacatalystinpresenceofsodiumhypophosphiteasahydrogensource