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Dadaei M, Naeimi H. An Environment-Friendly Method for Green Synthesis of Pyranopyrazole Derivatives Catalyzed by CoCuFe 2O 4 Magnetic Nanocrystals under Solvent-Free Conditions. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2020.1725897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Mahla Dadaei
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, I. R. Iran
| | - Hossein Naeimi
- Department of Organic Chemistry, Faculty of Chemistry, University of Kashan, Kashan, I. R. Iran
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2
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Penrose C, Steiner P, Gladden LF, Sederman AJ, York APE, Bentley M, Mantle MD. A simple liquid state 1H NMR measurement to directly determine the surface hydroxyl density of porous silica. Chem Commun (Camb) 2021; 57:12804-12807. [PMID: 34783334 DOI: 10.1039/d1cc03959h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Silica is widely used in industrial applications and its performance is partially decided by its surface hydroxyl density αOH. Here we report a quick, simple liquid 1H NMR method to determine αOH using a benchtop 1H NMR spectrometer. The results show excellent agreement with the literature with an αOH range from 4.16 to 6.56 OH per nm2.
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Affiliation(s)
- C Penrose
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
| | - P Steiner
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK. .,Gdanska 335/23, Praha 8, 181 00, Czech Republic
| | - L F Gladden
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
| | - A J Sederman
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
| | - A P E York
- Johnson Matthey Technology Centre, Blounts Court, Sonning Common, Reading, RG4 9NH, UK
| | - M Bentley
- Johnson Matthey Technology Centre, Blounts Court, Sonning Common, Reading, RG4 9NH, UK
| | - M D Mantle
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Dr, Cambridge CB3 0AS, UK.
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3
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Satheeshkumar R, Shanmugaraj K, Delgado T, Bertrand J, Brito I, Salas CO. Friedländer Synthesis of Novel Polycyclic Quinolines Using Solid SiO2/H2SO4 Catalyst. ORG PREP PROCED INT 2021. [DOI: 10.1080/00304948.2020.1865069] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Rajendran Satheeshkumar
- Departamento de Química Orgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
| | - Krishnamoorthy Shanmugaraj
- Departamento de Físico-Química, Facultad de Ciencias Químicas, Universidad de Concepción, Concepción, Chile
| | - Thalia Delgado
- Departamento de Química Orgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
| | - Jeanluc Bertrand
- Departamento de Química Orgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
| | - Iván Brito
- Departamento de Química, Facultad de Ciencias Básicas, Universidad de Antofagasta, Antofagasta, Chile
| | - Cristian O. Salas
- Departamento de Química Orgánica, Facultad de Química y de Farmacia, Pontificia Universidad Católica de Chile, Santiago de Chile, Chile
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4
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Efficient synthesis of 6,6a-dihydroisoindolo[2,1-a]quinazoline-5,11-dione derivatives catalyzed by functionalized nanoporous silica. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-020-02720-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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5
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Gao M, Ye R, Shen W, Xu B. Copper nitrate: a privileged reagent for organic synthesis. Org Biomol Chem 2019; 16:2602-2618. [PMID: 29565088 DOI: 10.1039/c8ob00332g] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Copper has been explored as an ideal candidate for replacing noble metals in organic synthesis, especially for practical large scale preparation. Recent decades have witnessed the renaissance and improvement of copper-catalyzed and copper-mediated organic reactions. Copper nitrate is a common inorganic copper salt which has been proved to be a ubiquitous reactant in organic synthesis due to its commercial availability, stability, inexpensiveness and environmentally benign nature. Copper nitrate could be used as a nitration reagent, oxidant, catalyst or promoter, and Lewis acid as well. Remarkably, great attention has been devoted to the efficient transformation of copper nitrate into functionalized or complicated compounds through various reaction types including cyclization, C-H activation, difunctionalization, nitration, rearrangement and asymmetric synthesis with chiral ligands. Further modification of copper nitrate, such as solid-supported copper nitrate or copper nitrate complexes, extends its applications in organic synthesis. The present review highlights recent advances of copper nitrate in organic synthesis, along with the mechanisms.
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Affiliation(s)
- Mingchun Gao
- Department of Chemistry, Innovative Drug Research Center, School of Materials Science and Engineering, Qianweichang College, Shanghai University, Shanghai 200444, China.
| | - Rongxuan Ye
- Department of Chemistry, Innovative Drug Research Center, School of Materials Science and Engineering, Qianweichang College, Shanghai University, Shanghai 200444, China.
| | - Weijia Shen
- Department of Chemistry, Innovative Drug Research Center, School of Materials Science and Engineering, Qianweichang College, Shanghai University, Shanghai 200444, China.
| | - Bin Xu
- Department of Chemistry, Innovative Drug Research Center, School of Materials Science and Engineering, Qianweichang College, Shanghai University, Shanghai 200444, China. and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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6
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Gabla JJ, Lathiya DR, Revawala AA, Maheria KC. Propyl–SO3H functionalized SBA-15: Microwave-mediated green synthesis of biologically active multi-substituted imidazole scaffolds. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3707-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Kouznetsov VV, Galvis CEP. Strecker reaction and α-amino nitriles: Recent advances in their chemistry, synthesis, and biological properties. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.01.005] [Citation(s) in RCA: 95] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Beerappa M, Shivashankar K. Four component synthesis of highly functionalized pyrano[2,3-c]pyrazoles from benzyl halides. SYNTHETIC COMMUN 2017. [DOI: 10.1080/00397911.2017.1386788] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Mallappa Beerappa
- Department of Chemistry, Bangalore University, Bangalore, Karnataka, India
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9
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Sadjadi S, Heravi M. Current advances in the utility of functionalized SBA mesoporous silica for developing encapsulated nanocatalysts: state of the art. RSC Adv 2017. [DOI: 10.1039/c7ra04833e] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The cavities of SBA mesoporous silica materials can be used as nanoreactors for embedding catalytic species such as nanoparticles, complexes and heteropolyacids etc.
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Affiliation(s)
- S. Sadjadi
- Gas Conversion Department
- Faculty of Petrochemicals
- Iran Polymer and Petrochemical Institute
- Tehran
- Iran
| | - M. M. Heravi
- Department of Chemistry
- School of Science
- Alzahra University
- Tehran
- Iran
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10
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Vekariya RH, Prajapati NP, Patel HD. MCM-41-anchored sulfonic acid (MCM-41-SO3H): An efficient heterogeneous catalyst for green organic synthesis. SYNTHETIC COMMUN 2016. [DOI: 10.1080/00397911.2016.1212380] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Rajesh H. Vekariya
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat, India
| | - Neelam P. Prajapati
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat, India
| | - Hitesh D. Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad, Gujarat, India
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11
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Moore DL, Denton AE, Kohinke RM, Craig BR, Brenzovich WE. Silica sulfuric acid as a highly efficient catalyst for the synthesis of diarylacetic acids. SYNTHETIC COMMUN 2016. [DOI: 10.1080/00397911.2016.1158269] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
| | | | - Rose M. Kohinke
- Department of Chemistry, Roanoke College, Salem, Virginia, USA
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Vekariya RH, Prajapati NP, Patel HD. Silica-supported polyphosphoric acid (PPA-SiO2): An efficient and reusable heterogeneous catalyst for ecofriendly organic synthesis. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1114633] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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A green and one-pot synthesis of a library of 1,4-dihydropyrano[2,3-c]-pyrazole-5-carbonitrile derivatives using thiourea dioxide (TUD) as an efficient and reusable organocatalyst. RESEARCH ON CHEMICAL INTERMEDIATES 2015. [DOI: 10.1007/s11164-015-2308-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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14
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Prajapati NP, Vekariya RH, Patel HD. Ceric Ammonium Nitrate (CAN)–Catalyzed Multicomponent Reactions: An Efficient Catalyst for Green Organic Synthesis. SYNTHETIC COMMUN 2015. [DOI: 10.1080/00397911.2015.1045986] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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15
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Vekariya RH, Patel KD, Patel HD. Melamine trisulfonic acid (MTSA): an efficient and recyclable heterogeneous catalyst in green organic synthesis. RSC Adv 2015. [DOI: 10.1039/c5ra17489a] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Melamine trisulfonic acid (MTSA) as a highly efficient heterogeneous solid acid catalyst catalyzes various organic transformations.
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Affiliation(s)
- Rajesh H. Vekariya
- Department of Chemistry
- School of Sciences
- Gujarat University
- Ahmedabad
- India
| | - Kinjal D. Patel
- Department of Chemistry
- School of Sciences
- Gujarat University
- Ahmedabad
- India
| | - Hitesh D. Patel
- Department of Chemistry
- School of Sciences
- Gujarat University
- Ahmedabad
- India
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16
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Vekariya RH, Patel HD. Sulfonated polyethylene glycol (PEG-OSO3H) as a polymer supported biodegradable and recyclable catalyst in green organic synthesis: recent advances. RSC Adv 2015. [DOI: 10.1039/c5ra06532a] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The objective of this review is to summarize some of the recent advances in a sulfuric acid-modified polyethylene glycol 6000 (PEG-OSO3H) as a stable, recyclable and bio-degradable polymeric catalyst in green organic synthesis.
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Affiliation(s)
- Rajesh H. Vekariya
- Department of Chemistry
- School of Sciences
- Gujarat University
- Ahmedabad
- India
| | - Hitesh D. Patel
- Department of Chemistry
- School of Sciences
- Gujarat University
- Ahmedabad
- India
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