Graphene oxide as a catalyst for one-pot sequential aldol coupling/aza-Michael addition of amines to chalcones through in situ generation of Michael acceptors under neat conditions
Graphene oxide (GO) in conjunction with tetra n-butyl ammonium bromide (TBAB) was found to function as an efficient catalyst for one-pot sequential aldol coupling/aza-Michael addition of amines to chalcones in a single reaction vessel. Benzaldehydes and acetophenone were coupled in situ to produce their corresponding chalcones which underwent a subsequent aza-Michael addition under solvent-free condition. This procedure avoids the use of precious metals and the heterogeneous nature of the GO simplifies purification and isolation of the products by simple filtration of the catalyst. (C) 2019 Elsevier Ltd. All rights reserved.
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Univ Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Ctr Rech Sci & Tech Anal Physicochim CRAPC, BP 384, Bou Ismail 42004, Tipaza, AlgeriaUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Lakhdari, Houria
Talhi, Oualid
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Ctr Rech Sci & Tech Anal Physicochim CRAPC, BP 384, Bou Ismail 42004, Tipaza, Algeria
Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal
Univ Aveiro, Dept Chem, P-3810193 Aveiro, PortugalUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Talhi, Oualid
Hassaine, Ridha
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Ctr Rech Sci & Tech Anal Physicochim CRAPC, BP 384, Bou Ismail 42004, Tipaza, Algeria
Univ Tlemcen, Fac Sci, Lab Catalyse & Synth Chim Organ, BP 119, Tilimsen 13000, AlgeriaUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Hassaine, Ridha
Taibi, Nadia
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Ctr Rech Sci & Tech Anal Physicochim CRAPC, BP 384, Bou Ismail 42004, Tipaza, AlgeriaUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Taibi, Nadia
Mendes, Ricardo F.
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Univ Aveiro, CICECO, Aveiro Inst Mat, P-3810193 Aveiro, PortugalUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Mendes, Ricardo F.
Almeida Paz, Filipe A.
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Univ Aveiro, CICECO, Aveiro Inst Mat, P-3810193 Aveiro, PortugalUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Almeida Paz, Filipe A.
Bennamane, Norah
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Univ Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, AlgeriaUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Bennamane, Norah
Nedjar-Kolli, Bellara
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Univ Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, AlgeriaUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Nedjar-Kolli, Bellara
Bachari, Khaldoun
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Ctr Rech Sci & Tech Anal Physicochim CRAPC, BP 384, Bou Ismail 42004, Tipaza, AlgeriaUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
Bachari, Khaldoun
Silva, Artur M. S.
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Univ Aveiro, QOPNA, P-3810193 Aveiro, Portugal
Univ Aveiro, Dept Chem, P-3810193 Aveiro, PortugalUniv Sci & Technol Houari Boumediene, Fac Chim, Lab Chim Organ Appl, BP 32, El Alia Bab Ezzouar 16111, Alger, Algeria
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Univ Paris 11, Equipe Chim Subst Nat, UMR CNRS BioCIS 8076, F-92296 Chatenay Malabry, FranceUniv Paris 11, Equipe Chim Subst Nat, UMR CNRS BioCIS 8076, F-92296 Chatenay Malabry, France
Amara, Zacharias
Drege, Emmanuelle
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Univ Paris 11, Equipe Chim Subst Nat, UMR CNRS BioCIS 8076, F-92296 Chatenay Malabry, FranceUniv Paris 11, Equipe Chim Subst Nat, UMR CNRS BioCIS 8076, F-92296 Chatenay Malabry, France
Drege, Emmanuelle
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Troufflard, Claire
Retailleau, Pascal
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CNRS, Inst Chim Subst Nat, UPR 2301, F-91198 Gif Sur Yvette, FranceUniv Paris 11, Equipe Chim Subst Nat, UMR CNRS BioCIS 8076, F-92296 Chatenay Malabry, France
Retailleau, Pascal
Joseph, Delphine
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Univ Paris 11, Equipe Chim Subst Nat, UMR CNRS BioCIS 8076, F-92296 Chatenay Malabry, FranceUniv Paris 11, Equipe Chim Subst Nat, UMR CNRS BioCIS 8076, F-92296 Chatenay Malabry, France