One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts

We concocted peculiar and exceedingly sound bifunctional MNPs/AA-rGO (MNPs = Fe and/or Nb2O5 nanoparticles; AA = aromatic and/or aliphatic primary amine derivatives such as benzene-1,4-diamine (BD) or ethylenediamine (ED); rGO = reduced graphene oxide) catalysts with an acid-base twofold activation...

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Main Authors: Dikin Patel, Sanjeev R. Kane, Chetan K. Modi
Format: Article
Language:English
Published: Elsevier 2022-09-01
Series:Catalysis Communications
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1566736722000814
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author Dikin Patel
Sanjeev R. Kane
Chetan K. Modi
author_facet Dikin Patel
Sanjeev R. Kane
Chetan K. Modi
author_sort Dikin Patel
collection DOAJ
description We concocted peculiar and exceedingly sound bifunctional MNPs/AA-rGO (MNPs = Fe and/or Nb2O5 nanoparticles; AA = aromatic and/or aliphatic primary amine derivatives such as benzene-1,4-diamine (BD) or ethylenediamine (ED); rGO = reduced graphene oxide) catalysts with an acid-base twofold activation mechanism bestowing base characteristics by the amine scaffold and Lewis acidic sites triggered by MNPs doped on the peripheral of rGO. Surprisingly, Nb2O5/BD-rGO demonstrated excellent performance for one-pot Henry-Michael reaction via acid-base supportive effect with 90.6 and 88.9% conversions of benzaldehyde and β-nitrostyrene, respectively, and an admirable product selectivity (i.e., 93.2%) of 2-(2-nitro-phenylethyl)malononitrile.
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spelling doaj.art-d4c2cacf9c464ad986054278f16b556d2022-12-22T03:41:58ZengElsevierCatalysis Communications1873-39052022-09-01169106476One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalystsDikin Patel0Sanjeev R. Kane1Chetan K. Modi2Applied Chemistry Department, Faculty of Technology & Engineering, The Maharaja Sayajirao University of Baroda, Vadodara 390 001, Gujarat, IndiaSynchrotrons Utilisation Section, Raja Ramanna Centre for Advanced Technology, Indore 452013, IndiaApplied Chemistry Department, Faculty of Technology & Engineering, The Maharaja Sayajirao University of Baroda, Vadodara 390 001, Gujarat, India; Corresponding author.We concocted peculiar and exceedingly sound bifunctional MNPs/AA-rGO (MNPs = Fe and/or Nb2O5 nanoparticles; AA = aromatic and/or aliphatic primary amine derivatives such as benzene-1,4-diamine (BD) or ethylenediamine (ED); rGO = reduced graphene oxide) catalysts with an acid-base twofold activation mechanism bestowing base characteristics by the amine scaffold and Lewis acidic sites triggered by MNPs doped on the peripheral of rGO. Surprisingly, Nb2O5/BD-rGO demonstrated excellent performance for one-pot Henry-Michael reaction via acid-base supportive effect with 90.6 and 88.9% conversions of benzaldehyde and β-nitrostyrene, respectively, and an admirable product selectivity (i.e., 93.2%) of 2-(2-nitro-phenylethyl)malononitrile.http://www.sciencedirect.com/science/article/pii/S1566736722000814Bifunctional catalystGraphene-based solid supportMultiactive sitesHenry-Michael reactionOne-pot multistep reaction
spellingShingle Dikin Patel
Sanjeev R. Kane
Chetan K. Modi
One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts
Catalysis Communications
Bifunctional catalyst
Graphene-based solid support
Multiactive sites
Henry-Michael reaction
One-pot multistep reaction
title One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts
title_full One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts
title_fullStr One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts
title_full_unstemmed One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts
title_short One-pot multistep Henry-Michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts
title_sort one pot multistep henry michael reaction with notable upshots using reduced graphene oxide supported bifunctional catalysts
topic Bifunctional catalyst
Graphene-based solid support
Multiactive sites
Henry-Michael reaction
One-pot multistep reaction
url http://www.sciencedirect.com/science/article/pii/S1566736722000814
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AT sanjeevrkane onepotmultistephenrymichaelreactionwithnotableupshotsusingreducedgrapheneoxidesupportedbifunctionalcatalysts
AT chetankmodi onepotmultistephenrymichaelreactionwithnotableupshotsusingreducedgrapheneoxidesupportedbifunctionalcatalysts