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Body N, Bevernaegie R, Lefebvre C, Jabin I, Hermans S, Riant O, Troian-Gautier L. Photo-Catalyzed α-Arylation of Enol Acetate Using Recyclable Silica-Supported Heteroleptic and Homoleptic Copper(I) Photosensitizers. Chemistry 2023; 29:e202301212. [PMID: 37582678 DOI: 10.1002/chem.202301212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 07/14/2023] [Accepted: 08/15/2023] [Indexed: 08/17/2023]
Abstract
Earth-abundant photosensitizers are highly sought after for light-mediated applications, such as photoredox catalysis, depollution and energy conversion schemes. Homoleptic and heteroleptic copper(I) complexes are promising candidates in this field, as copper is abundant and the corresponding complexes are easily obtained in smooth conditions. However, some heteroleptic copper(I) complexes suffer from low (photo)stability that leads to the gradual formation of the corresponding homoleptic complex. Such degradation pathways are detrimental, especially when recyclability is desired. This study reports a novel approach for the heterogenization of homoleptic and heteroleptic Cu complexes on silica nanoparticles. In both cases, the photophysical properties upon surface immobilization were only slightly affected. Excited-state quenching with aryl diazonium derivatives occurred efficiently (108 -1010 M-1 s-1 ) with heterogeneous and homogeneous photosensitizers. Moderate but almost identical yields were obtained for the α-arylation of enol acetate using the homoleptic complex in homogeneous or heterogeneous conditions. Importantly, the silica-supported photocatalysts were recycled with moderate loss in photoactivity over multiple experiments. Transient absorption spectroscopy confirmed that excited-state electron transfer occurred from the homogeneous and heterogeneous homoleptic copper(I) complexes to aryl diazonium derivatives, generating the corresponding copper(II) center that persisted for several hundreds of microseconds, compatible with photoredox catalysis applications.
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Affiliation(s)
- Nathalie Body
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Robin Bevernaegie
- Université libre de Bruxelles (ULB), Service de Chimie et PhysicoChimie Organiques (CPCO), Laboratoire de Chimie Organique (LCO), Avenue F. D. Roosevelt 50, 1050, Bruxelles, Belgium
| | - Corentin Lefebvre
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Ivan Jabin
- Université libre de Bruxelles (ULB), Service de Chimie et PhysicoChimie Organiques (CPCO), Laboratoire de Chimie Organique (LCO), Avenue F. D. Roosevelt 50, 1050, Bruxelles, Belgium
| | - Sophie Hermans
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Olivier Riant
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
| | - Ludovic Troian-Gautier
- Université catholique de Louvain (UCLouvain), Institut de la Matière Condensée et des Nanosciences (IMCN), Molecular Chemistry, Materials and Catalysis (MOST), Place Louis Pasteur 1, bte L4.01.02, 1348, Louvain-la-Neuve, Belgium
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2
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Rana P, Saini KM, Kaushik B, Solanki K, Dixit R, Sharma RK. Unleashing the photocatalytic potential of a noble-metal-free heteroleptic copper complex-based nanomaterial for an enhanced aza-Henry reaction. NANOSCALE 2023; 15:14007-14017. [PMID: 37539685 DOI: 10.1039/d3nr01915b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
In this work, we fabricated a versatile and noble metal free copper-based heterogeneous photocatalyst, representing a green shift away from precious group metals such as Ir, Ru, Pt, which have been widely utilized as photocatalysts. The successfully synthesized and characterized copper photocatalyst was employed to establish a cross dehydrogenative coupling via C-H activation between tertiary amines and carbon nucleophiles. The highly efficient copper-based photocatalyst was characterized by numerous physico-chemical techniques, which confirmed its successful formation as well as its high activity. Inductively coupled plasma (ICP-OES) analysis revealed that the composite Cu@Xantphos@ASMNPs had a very high loading of 0.423 mmol g-1 of copper. The magnetic Cu@Xantphos@ASMNPs were utilized as a potential heterogeneous photocatalyst for the very facile and regioselective conversion of aryl tetrahydroqinoline to the respective nitroalkyl aryl tetrahydroisoquinoline in high yield using air as an oxidant and methanol as a green solvent with irradiation with visible light under mild reaction conditions. Additionally, the catalyst shows exceptional chemical stability and reusability without any agglomeration even after several cycles of use, which is one of the key features of this material, rendering it a potential candidate from economic and environmental perspectives.
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Affiliation(s)
- Pooja Rana
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Kapil Mohan Saini
- Kalindi College, University of Delhi, New Delhi, Delhi-110008, India
| | - Bhawna Kaushik
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
- Acharya Narendra Dev College, University of Delhi, New Delhi, Delhi-110019, India
| | - Kanika Solanki
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
- Shyamlal College, University of Delhi, New Delhi, Delhi-1100032, India
| | - Ranjana Dixit
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
- Ramjas College, University of Delhi, New Delhi-110007, India
| | - Rakesh K Sharma
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
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3
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Yadav P, Gupta R, Arora G, Srivastava A, Sharma RK. One‐pot Synthesis of Propargylamines using Aldehydes‐Amines‐Acetylene
via
an Efficient Nickel‐Based Silica‐Coated Magnetic Nanocatalyst. ChemistrySelect 2022. [DOI: 10.1002/slct.202200875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Priya Yadav
- Green Chemistry Network Centre Department of Chemistry University of Delhi Delhi 110007 India
- Department of Chemistry, Hindu College University of Delhi Delhi 110007 India
| | - Radhika Gupta
- Green Chemistry Network Centre Department of Chemistry University of Delhi Delhi 110007 India
- Department of Chemistry, Shyam Lal College University of Delhi Delhi 110032 India
| | - Gunjan Arora
- Green Chemistry Network Centre Department of Chemistry University of Delhi Delhi 110007 India
- Department of Chemistry, Hansraj College University of Delhi Delhi 110007 India
| | - Anju Srivastava
- Department of Chemistry, Hindu College University of Delhi Delhi 110007 India
| | - Rakesh K. Sharma
- Green Chemistry Network Centre Department of Chemistry University of Delhi Delhi 110007 India
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4
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Recent Developments in Nanocatalyzed Green Synthetic Protocols of Biologically Potent Diverse O-Heterocycles—A Review. Catalysts 2022. [DOI: 10.3390/catal12060657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The dynamic growth in green organic synthetic methodologies for diverse heterocyclic scaffolds has substantially contributed to the field of medicinal chemistry over the last few decades. The use of hybrid metal nanocatalysts (NCs) is one such benign strategy for ensuring the advancement of modern synthetic chemistry by adhering to the principles of green chemistry, which call for a sustainable catalytic system that converts reacting species into profitable chemicals at a faster rate and tends to reduce waste generation. The metal nanoparticles (NPs) enhance the exposed surface area of the catalytic active sites, thereby making it easier for reactants and metal NCs to have an effective interaction. Several review articles have been published on the preparation of metal NCs and their uses for various catalytic heterocyclic transformations. This review will summarize different metal NCs for the efficient green synthesis of various O-heterocycles. Furthermore, the review will provide a concise overview of the role of metal NCs in the synthesis of O-heterocycles and will be extremely useful to researchers working on developing novel green and simple synthetic pathways to various O-heterocyclic-derived molecules.
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Kumar A, Kujur S, Kujur JP, Sharma R, Pathak DD. Copper‐triazine‐dendrimer‐functionalized‐graphene oxide (CTD‐GO): Synthesis, characterization and application in green synthesis of propargylamines. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Akash Kumar
- Department of Chemistry and Chemical Biology Indian Institute of Technology (ISM) Dhanbad India
| | - Shelly Kujur
- Department of Chemistry and Chemical Biology Indian Institute of Technology (ISM) Dhanbad India
| | - Jyoti Prabha Kujur
- Department of Chemistry and Chemical Biology Indian Institute of Technology (ISM) Dhanbad India
| | - Richa Sharma
- Faculty of Science, Department of Chemistry Dayalbagh Educational Institute, Dayalbagh Agra India
| | - Devendra Deo Pathak
- Department of Chemistry and Chemical Biology Indian Institute of Technology (ISM) Dhanbad India
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6
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Rana P, Kaushik B, Gaur R, Dutta S, Yadav S, Rana P, Solanki K, Arora B, Biradar AV, Gawande MB, Sharma RK. An Earth-abundant cobalt based photocatalyst: visible light induced direct (het)arene C-H arylation and CO 2 capture. Dalton Trans 2022; 51:2452-2463. [PMID: 35048925 DOI: 10.1039/d1dt03625d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, we have reported a noble metal free heterogeneous photocatalyst to carry out direct (het)arene C-H arylation and solvent-free CO2 capture via single-electron transfer processes at room temperature and under pressure. The catalytic system comprises a cobalt(III) complex grafted over the silica coated magnetic support for the efficient recovery of the photocatalytic moiety without hampering its light-harvesting capability. The novel Earth-abundant cobalt(III) based photocatalyst possesses various fascinating properties such as high surface area to volume ratios, large pore volume, crystalline behaviour, high metal loading, excellent stability and reusability. The general efficacy of the highly abundant and low-cost cobalt based heterogeneous nanocatalyst was checked for the selective conversion of aryldiazonium salts into synthetically and pharmaceutically significant biaryl motifs under ambient conditions upon irradiation with visible light. The highly efficient photocatalytic conversion of carbon dioxide (CO2) to a value-added chemical was accomplished under mild reaction conditions with high selectivity, showing the added benefit of operational simplicity.
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Affiliation(s)
- Pooja Rana
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Bhawna Kaushik
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Rashmi Gaur
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Sriparna Dutta
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Sneha Yadav
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Pooja Rana
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Kanika Solanki
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Bhavya Arora
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
| | - Ankush V Biradar
- Inorganic Materials and Catalysis Division, CSIR-Central Salt and Marine Chemicals Research Institute, Bhavnagar 364002, Gujarat, India
| | - Manoj B Gawande
- Institute of Chemical Technology Mumbai-Marathwada Campus, Jalna, 431213, Maharashtra, India
| | - R K Sharma
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, New Delhi-110007, India.
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7
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Yadav P, Gupta R, Arora G, Srivastava A, Sharma RK. Synthesis of phenol esters by direct C–H activation of aldehydes using a highly efficient and reusable copper-immobilized polyimide covalent organic framework (Cu@PI-COF). NEW J CHEM 2022. [DOI: 10.1039/d1nj06055d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the present study, we report the design and fabrication of a thermally and chemically stable copper-based polyimide covalent organic framework (Cu@PI-COF) via a facile and straightforward synthetic approach for the oxidative esterification of aldehydes.
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Affiliation(s)
- Priya Yadav
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi 110007, India
- Department of Chemistry, Hindu College, University of Delhi, Delhi 110007, India
| | - Radhika Gupta
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Gunjan Arora
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Anju Srivastava
- Department of Chemistry, Hindu College, University of Delhi, Delhi 110007, India
| | - Rakesh K. Sharma
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi 110007, India
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Rana P, Gaur R, Kaushik B, Rana P, Yadav S, Yadav P, Sharma P, Gawande MB, Sharma RK. Surface engineered Iridium-based magnetic photocatalyst paving a path towards visible light driven C-H arylation and cyanation reaction. J Catal 2021. [DOI: 10.1016/j.jcat.2021.08.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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9
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Neshat A, Gholinejad M, Afrasi M, Mastrorilli P, Todisco S, Gilanchi S, Osanlou F. Heterocyclic thiolates and phosphine ligands in copper‐catalyzed synthesis of propargylamines in water. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Abdollah Neshat
- Department of Chemistry Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
| | - Mohammad Gholinejad
- Department of Chemistry Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
| | - Mahmoud Afrasi
- Department of Chemistry Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
| | | | | | - Shirin Gilanchi
- Department of Chemistry Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
| | - Farzane Osanlou
- Department of Chemistry Institute for Advanced Studies in Basic Sciences (IASBS) Zanjan Iran
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10
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Gupta R, Arora G, Yadav P, Dixit R, Srivastava A, Sharma RK. A magnetically retrievable copper ionic liquid nanocatalyst for cyclooxidative synthesis of 2-phenylquinazolin-4(3 H)-ones. Dalton Trans 2021; 50:890-898. [PMID: 33350417 DOI: 10.1039/d0dt03634j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
In the present work, we report the design and fabrication of a copper-containing ionic liquid supported magnetic nanocatalyst via a convenient and straightforward synthetic approach for the formation of 2-phenylquinazolin-4(3H)-ones using o-aminobenzamide and benzaldehydes as the reaction partners. The successful formation and properties of the as-prepared catalyst have been thoroughly investigated using diverse physico-chemical techniques including FT-IR, XRD, FE-SEM, TEM, ICP, VSM, BET and TGA. Using this nanocatalytic system, a variety of 2-phenylquinazolin-4(3H)-ones are synthesized in excellent yields with operational ease and short reaction times in an environmentally preferable solvent under open air and without using any external oxidizing agent. Besides, the catalyst possessed facile magnetic recoverability and remarkable reusability for six consecutive runs without any appreciable decrease in the catalytic efficiency.
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Affiliation(s)
- Radhika Gupta
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Gunjan Arora
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Priya Yadav
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India. and Department of Chemistry, Hindu College, University of Delhi, Delhi-110007, India
| | - Ranjana Dixit
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
| | - Anju Srivastava
- Department of Chemistry, Hindu College, University of Delhi, Delhi-110007, India
| | - Rakesh Kumar Sharma
- Green Chemistry Network Centre, Department of Chemistry, University of Delhi, Delhi-110007, India.
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11
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Arora G, Yadav M, Gaur R, Gupta R, Rana P, Yadav P, Sharma RK. A template free protocol for fabrication of a Ni(ii)-loaded magnetically separable nanoreactor scaffold for confined synthesis of unsymmetrical diaryl sulfides in water. RSC Adv 2020; 10:19390-19396. [PMID: 35515473 PMCID: PMC9054047 DOI: 10.1039/d0ra02287j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 05/14/2020] [Indexed: 01/19/2023] Open
Abstract
In the present report, an environmentally benign magnetically recoverable nickel(ii)-based nanoreactor as a heterogeneous catalyst has been developed via a template free approach. The catalytic performance of the synthesized catalyst is assessed in the confined oxidative coupling of arenethiols with arylhydrazines to form unsymmetrical diaryl sulfides under aerobic conditions. The salient features of our protocol include oxidant- and ligand-free conditions, use of water as a green solvent, room temperature and formation of nitrogen and water as the only by-products. Moreover, a broad range of functional groups are tolerated well and provide the corresponding diaryl sulfides in moderate to good yields. Moreover, the heterogeneous nature of the catalyst permits facile magnetic recovery and reusability for up to seven runs, making the present protocol highly desirable from industrial and environmental standpoints. An environmentally benign nickel(ii)-based magnetic nanoreactor has been developed for oxidative coupling of arenethiols with arylhydrazines to form unsymmetrical diaryl sulfides in water at room temperature.![]()
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Affiliation(s)
- Gunjan Arora
- Green Chemistry Network Centre
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Manavi Yadav
- Green Chemistry Network Centre
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Rashmi Gaur
- Green Chemistry Network Centre
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Radhika Gupta
- Green Chemistry Network Centre
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Pooja Rana
- Green Chemistry Network Centre
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Priya Yadav
- Green Chemistry Network Centre
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Rakesh Kumar Sharma
- Green Chemistry Network Centre
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
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