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Pintus A, Mantovani S, Kovtun A, Bertuzzi G, Melucci M, Bandini M. Recyclable GO-Arginine Hybrids for CO 2 Fixation into Cyclic Carbonates. Chemistry 2023; 29:e202202440. [PMID: 36260641 DOI: 10.1002/chem.202202440] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Indexed: 11/30/2022]
Abstract
New covalently modified GO-guanidine materials have been realized in a gram-scale synthesis and purified by an innovative microfiltration. The use of these composites in the fixation of CO2 into cyclic carbonates is demonstrated. Mild operating conditions, high yields (up to 85 %), wide scope (15 examples) and recoverability/reusability (up to 5 cycles) of the material account for the efficiency of the protocol. Dedicated control experiments shed light on the activation modes exerted by GO-l-arginine during the ring-opening/closing synthetic sequence.
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Affiliation(s)
- Angela Pintus
- Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy
| | - Sebastiano Mantovani
- Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy
| | - Alessandro Kovtun
- Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy
| | - Giulio Bertuzzi
- Dipartimento di Chimica, "Giacomo Ciamcian", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis-C3, Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
| | - Manuela Melucci
- Istituto per la Sintesi Organica e Fotoreattività (ISOF)-CNR, via Gobetti 101, 40129, Bologna, Italy
| | - Marco Bandini
- Dipartimento di Chimica, "Giacomo Ciamcian", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis-C3, Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126, Bologna, Italy
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Lombardi L, Kovtun A, Mantovani S, Bertuzzi G, Favaretto L, Bettini C, Palermo V, Melucci M, Bandini M. Visible-Light Assisted Covalent Surface Functionalization of Reduced Graphene Oxide Nanosheets with Arylazo Sulfones. Chemistry 2022; 28:e202200333. [PMID: 35319124 DOI: 10.1002/chem.202200333] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Indexed: 01/05/2023]
Abstract
We present an environmentally benign methodology for the covalent functionalization (arylation) of reduced graphene oxide (rGO) nanosheets with arylazo sulfones. A variety of tagged aryl units were conveniently accommodated at the rGO surface via visible-light irradiation of suspensions of carbon nanostructured materials in aqueous media. Mild reaction conditions, absence of photosensitizers, functional group tolerance and high atomic fractions (XPS analysis) represent some of the salient features characterizing the present methodology. Control experiments for the mechanistic elucidation (Raman analysis) and chemical nanomanipulation of the tagged rGO surfaces are also reported.
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Affiliation(s)
- Lorenzo Lombardi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
| | - Alessandro Kovtun
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Sebastiano Mantovani
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Giulio Bertuzzi
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
| | - Laura Favaretto
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Cristian Bettini
- Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
| | - Vincenzo Palermo
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Manuela Melucci
- Istituto per la Sintesi e la Fotoreattività (ISOF) - CNR, Via Gobetti, 101, 40129, Bologna, Italy
| | - Marco Bandini
- Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum - Università di Bologna, Via Selmi 2, 40126, Bologna, Italy.,Center for Chemical Catalysis - C3, Via Selmi 2, 40126, Bologna, Italy
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3
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Pan GF, Wang Z, Chang YY, Hao Y, Wang YC, Xing RG. An efficient Pd@Pro-GO heterogeneous catalyst for the α, β-dehydrogenation of saturated aldehyde and ketones. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2021.153596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mäkelä MK, Bulatov E, Malinen K, Talvitie J, Nieger M, Melchionna M, Lenarda A, Hu T, Wirtanen T, Helaja J. Carbocatalytic Cascade Synthesis of Polysubstituted Quinolines from Aldehydes and 2‐Vinyl Anilines. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100711] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mikko K. Mäkelä
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
| | - Evgeny Bulatov
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
| | - Kiia Malinen
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
| | - Juulia Talvitie
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
| | - Martin Nieger
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
| | - Michele Melchionna
- Department of Chemical and Pharmaceutical Sciences University of Trieste Via L. Giorgieri 1 34127 Trieste Italy
| | - Anna Lenarda
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
| | - Tao Hu
- Research Unit of Sustainable Chemistry Faculty of Technology University of Oulu, FI- 90014 Oulu Finland
| | - Tom Wirtanen
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
| | - Juho Helaja
- Department of Chemistry University of Helsinki A.I. Virtasen aukio 1 00014 Helsinki Finland
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