1
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Cominetti MMD, Goddard ZR, Hood BR, Beekman AM, O'Connell MA, Searcey M. Borylation via iridium catalysed C-H activation: a new concise route to duocarmycin derivatives. Org Biomol Chem 2024; 22:5603-5607. [PMID: 38904084 PMCID: PMC11234497 DOI: 10.1039/d4ob00814f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
The synthesis of the ethyl ester analogue of the ultrapotent antitumour antibiotic seco-duocarmycin SA has been achieved in eleven linear steps from commercially available starting materials. The DSA alkylation subunit can be made in ten linear steps from the same precursor. The route involves C-H activation at the equivalent of the C7 position on indole leading to a borylated intermediate 9 that is stable enough for peptide coupling reactions but can be easily converted to the free hydroxyl analogue.
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Affiliation(s)
- Marco M D Cominetti
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
| | - Zoë R Goddard
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
| | - Bethany R Hood
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
| | - Andrew M Beekman
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
| | - Maria A O'Connell
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
| | - Mark Searcey
- School of Pharmacy, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
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2
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Zhou Y, Akkarasereenon K, Liu L, Lin R, Song L, Tong R. Ecofriendly Protocol for ipso-Bromination of Arylboronic Acids. Org Lett 2024; 26:5151-5156. [PMID: 38864512 DOI: 10.1021/acs.orglett.4c01570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
We report a novel and environmentally friendly method for the ipso-bromination of arylboronic acids by exploiting the oxone/KBr system. We discovered that CuBr can catalyze the reaction and increase the yield from 63 to 97%. We believe that CuBr might catalyze the in situ generation of HOBr from oxone/KBr. The mild reaction condition permits tolerance of a diverse array of functional groups with exclusive regio- and chemoselectivity and allows low-cost large-scale reaction without explosion risk.
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Affiliation(s)
- Yiqin Zhou
- Department of Chemistry, The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong 999077, China
| | - Kornkamon Akkarasereenon
- Department of Chemistry, The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong 999077, China
| | - Lifang Liu
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Ran Lin
- College of Bee Science and Biomedicine, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Liyan Song
- Key Laboratory of Biopesticide and Chemical Biology (Ministry of Education), College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Rongbiao Tong
- Department of Chemistry, The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong 999077, China
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3
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Lu H, Wan Y, Wang Q, Li Y, Wu H, Ma N, Zhang Z, Zhang G. Aerobic Oxidative Hydroxylation of Arylboronic Acids under Visible-Light Irradiation without Metal Catalysts or Additives. Org Lett 2024; 26:1959-1964. [PMID: 38407134 DOI: 10.1021/acs.orglett.4c00436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Phenols are versatile synthetic intermediates and key structural motifs in many natural products and biologically active compounds. We herein report a visible-light-induced aerobic oxidative hydroxylation of arylboronic acids/pinacol esters using air as oxidant and without using any catalysts and base, etc., additives, providing a green entry to a variety of phenols in a highly efficient and concise fashion. This novel reaction is enabled by photoactivation of an electron donor-acceptor complex, in which THF serves as both the solvent and electron donor. DFT studies indicated that the oxidation process involves a concerted hydrogen abstraction transfer from THF and dehydroxylation of boronic acid undergoing spin crossover from triplet to singlet to produce an active peroxoboronic acid intermidiate. Salient merits of this chemistry include broad substrate scope and excellent functional group tolerance, gram-scale synthesis, and versatile late-stage functionalizations as well as the use of air, visible light, and catalyst- and additive-free conditions. This strategy introduces a novel photoreaction mode with the aid of a solvent, offering a succinct and environmentally sustainable route for synthesizing phenols. The strong practicability and highly efficient access to modifying complex biorelevant molecules bode well for the potential applications of this chemistry in pharmaceutical chemistry.
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Affiliation(s)
- Hongchen Lu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yameng Wan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- School of Chemistry and Chemical Engineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
| | - Qiongjin Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Yabo Li
- School of Chemistry and Chemical Engineering, Henan University of Science and Technology, Luoyang, Henan 471023, China
| | - Hao Wu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Nana Ma
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zhiguo Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guisheng Zhang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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4
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Liu F, Sohail A, Ablajan K. Metal-Free Oxidative Formation of Aryl Esters by Catalytic Coupling of Acyl and Sulfonyl Chlorides with Arylboronic Acids. J Org Chem 2024; 89:27-33. [PMID: 38096383 DOI: 10.1021/acs.joc.3c01151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
A practical and efficient synthesis of aryl esters was developed through metal-free oxidation. This reaction employs stable and readily available acyl or sulfonyl chlorides and arylboronic acids as the starting materials and proceeds under mild reaction conditions without additional precious metal catalysts. This new strategy exhibits broad substrate tolerance and operational simplicity and gives diverse aryl esters in moderate to high yields.
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Affiliation(s)
- Fang Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, P. R. China
| | - Akbar Sohail
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, P. R. China
| | - Keyume Ablajan
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, P. R. China
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5
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Kang D, Kim J. Enamine N-oxides: Design, Synthesis, and Function in Bioorthogonal Reactions. Synlett 2024; 35:145-154. [PMID: 38947226 PMCID: PMC11210832 DOI: 10.1055/a-2127-1086] [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] [Indexed: 07/02/2024]
Abstract
Enamine N-oxides act as a chemical linchpin bridging two bioorthogonal associative and dissociative reactions. This article describes the design of enamine N-oxides; their synthesis through the retro-Cope elimination reaction; the use of solvent, hyperconjugation, strain, and rehybridization effects to achieve bioorthogonal reactivity; and their rapid reductive cleavage with diboron reagents. The coordinated assembly and disassembly of the enamine N-oxide motif constitutes a powerful chemical operation that enables the attachment and detachment of small molecules from biomacromolecules in a biological setting.
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Affiliation(s)
- Dahye Kang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Justin Kim
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
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6
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Min Q, Ji X. Bioorthogonal Bond Cleavage Chemistry for On-demand Prodrug Activation: Opportunities and Challenges. J Med Chem 2023; 66:16546-16567. [PMID: 38085596 DOI: 10.1021/acs.jmedchem.3c01459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
Time- and space-resolved drug delivery is highly demanded for cancer treatment, which, however, can barely be achieved with a traditional prodrug strategy. In recent years, the prodrug strategy based on a bioorthogonal bond cleavage chemistry has emerged with the advantages of high temporospatial resolution over drug activation and homogeneous activation irrespective of individual heterogeneity. In the past five years, tremendous progress has been witnessed in this field with one such bioorthogonal prodrug entering Phase II clinical trials. This Perspective aims to highlight these new advances (2019-2023) and critically discuss their pros and cons. In addition, the remaining challenges and potential strategic directions for future progress will also be included.
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Affiliation(s)
- Qingqiang Min
- Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, College of Pharmaceutical Science, Soochow University, Suzhou 215123, China
| | - Xingyue Ji
- Jiangsu Province Engineering Research Center of Precision Diagnostics and Therapeutics Development, College of Pharmaceutical Science, Soochow University, Suzhou 215123, China
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7
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Zhao J, Hu H, Zhou H, Zhang J, Wang L, Wang R. Reactive oxygen signaling molecule inducible regulation of CRISPR-Cas9 gene editing. Cell Biol Toxicol 2023; 39:2421-2429. [PMID: 35644856 DOI: 10.1007/s10565-022-09723-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 05/11/2022] [Indexed: 11/02/2022]
Abstract
We report development of a controllable gene editing tool that boronated gRNA, simply generated in situ, could regulate binding of gRNA molecules with either Cas9 endonuclease or target genes, thus serving as a modulator that can control CRISPR-Cas9 gene editing. Subsequent treatment with H2O2 facilitates the restoration of gene editing ability of the boronated gRNA to the level of using untreated gRNA. This is one of the few cases using small molecule to regulate CRISPR-Cas9 gene editing, which is a complement to the light approach, displaying great application potential. We develop a controllable gene editing tools based on the CRISPR-Cas9 gene editing system. This tool can be regulated by oxidative small molecule, i.e., H2O2. Compared with the light method, the application scope of our CRISPR-Cas9 systems have been widened with the small-molecule-triggered approaches, preventing the potential damage of cells or organism caused by UV light. In addition, the gain-of-function tools are expanding the gene code expansion for mechanistic studies of target enzymes since it provides a positive route to evaluate the activity of a given enzyme in dynamic and inversible regulation of targeting cellular processes.
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Affiliation(s)
- Jizhong Zhao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hongmei Hu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Hongling Zhou
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Jingwen Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Li Wang
- Wuhan No.1 Hospital, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Rui Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen, Guangdong, 518057, China.
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8
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Castro-Godoy WD, Schmidt LC, Flores-Oña D, Pérez-Prieto J, Galian RE, Argüello JE. Linker-Assisted CdS-TiO 2 Nanohybrids as Reusable Visible Light Photocatalysts for the Oxidative Hydroxylation of Arylboronic Acids. J Org Chem 2023; 88:6489-6497. [PMID: 36930860 DOI: 10.1021/acs.joc.2c02964] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
Abstract
A variety of phenols have been obtained in aqueous media with moderate to excellent chemical yields (≤100%) by using arylboronic acids and esters as substrates, a robust CdS-TiO2 nanohybrid as a heterogeneous photocatalyst, visible light irradiation (467 nm), and an O2-saturated atmosphere. The nanohybrid was prepared through a linker-assisted methodology that uses mercapto alkanoic acids as the organic linkers. The nanohybrid showed improved photocatalytic activity in the hydroxylation of substituted arylboronic acids and phenyl boronic esters compared with that of pristine CdS quantum dots. The nanohybrid can be reused in up to five photocatalytic cycles with ∼90% of its outstanding activity preserved.
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Affiliation(s)
- Willber D Castro-Godoy
- INFIQC-CONICET-UNC, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA Córdoba, Argentina.,CENSALUD-UES, Departamento de Química, Física y Matemática, Facultad de Química y Farmacia, Universidad de El Salvador, Final Av. Mártires y Héroes del 30 de Julio, San Salvador 1101, El Salvador
| | - Luciana C Schmidt
- INFIQC-CONICET-UNC, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA Córdoba, Argentina.,Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida de los Naranjos s/n, 46022 Valencia, Spain
| | - Diego Flores-Oña
- Institute of Molecular Science (ICMol), University of Valencia, Catedrático José Beltrán 2, Paterna 46980, Valencia, Spain.,Facultad de Ingeniería Química Universidad Central de Ecuador, Rither y Bolivia, Ciudadela Universitaria, 170521 Quito, Ecuador
| | - Julia Pérez-Prieto
- Institute of Molecular Science (ICMol), University of Valencia, Catedrático José Beltrán 2, Paterna 46980, Valencia, Spain
| | - Raquel E Galian
- Institute of Molecular Science (ICMol), University of Valencia, Catedrático José Beltrán 2, Paterna 46980, Valencia, Spain
| | - Juan E Argüello
- INFIQC-CONICET-UNC, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA Córdoba, Argentina
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9
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Choudhary P, Kumari K, Sharma D, Kumar S, Krishnan V. Surface Nanoarchitectonics of Boron Nitride Nanosheets for Highly Efficient and Sustainable ipso-Hydroxylation of Arylboronic Acids. ACS APPLIED MATERIALS & INTERFACES 2023; 15:9412-9420. [PMID: 36775910 DOI: 10.1021/acsami.2c21545] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
One of the important industrial processes commonly employed in the pharmaceutical, explosive, and plastic manufacturing industries is ipso-hydroxylation of arylboronic acids. In this work, a straightforward, metal-free methodology for the synthesis of phenols from arylboronic acids has been demonstrated using hydroxyl functionalized boron nitride (BN-OH) nanosheets. The functionalized hydroxyl groups on the BN nanosheets act as the active sites for the hydroxylation reaction to take place. The detailed optimization of reaction parameters was done in order to attain high catalytic efficiency, and the reactions were conducted in water, which eliminates the use of toxic solvents. The as-synthesized catalysts exhibited excellent recyclability and reusability in addition to high product yields and good turnover numbers. The green metrics parameters were also evaluated for the model reaction to examine the sustainable nature of the developed protocol. The use of BN-OH catalysts for the ipso-hydroxylation reactions under base-free and metal-free conditions using environmentally benign solvents is utmost desired for industrial processes and can pave a way toward sustainable organic catalysis.
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Affiliation(s)
- Priyanka Choudhary
- School of Chemical Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
| | - Kamlesh Kumari
- School of Chemical Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
| | - Devendra Sharma
- School of Chemical Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
| | - Sahil Kumar
- School of Chemical Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
| | - Venkata Krishnan
- School of Chemical Sciences and Advanced Materials Research Center, Indian Institute of Technology Mandi, Mandi 175075, Himachal Pradesh, India
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10
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Choi SJ, Kim SH. Bench-stable oxidant sodium percarbonate for functional group transformation of arylboronic acids. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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11
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Chandra Saikia T, Borgohain X, Iraqui S, Rashid MH. Template-Less and Surfactant-Less Synthesis of CeO 2 Nanostructures for Catalytic Application in Ipso-hydroxylation of Aryl Boronic Acids and the aza-Michael Reaction. ACS OMEGA 2022; 7:42126-42137. [PMID: 36440121 PMCID: PMC9685755 DOI: 10.1021/acsomega.2c04614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 11/01/2022] [Indexed: 06/16/2023]
Abstract
Due to its excellent physicochemical properties, CeO2 has found great importance as an electrochemical and in electronics, photocatalysis, sensing, and heterogeneous catalysis. Herein, we report the surfactant-less and template-less synthesis of CeO2 nanostructures by the hydrothermal method. The synthesized CeO2 nanostructures have been characterized in detail by electron microscopy, spectroscopy, diffractometry, and other analytical methods. The XRD studies revealed the formation of pure crystalline CeO2, possessing a cubic fluorite structure with an average crystallite size of 15.6 to 16.4 nm. Electron microscopy studies reveal the formation of cube-shaped CeO2 nanostructures with sizes below 25 nm. The cube-shaped CeO2 nanostructures exhibited a higher BET surface area compared to their bulk counterparts. The XPS analysis has confirmed the existence of Ce in the mixed oxidation states of +3 and +4, while O is present as O2- in the sample. The as-synthesized CeO2 nanostructures exhibit excellent catalytic activity in both the ipso-hydroxylation of aryl boronic acids and the aza-Michael reaction. The analysis of the used catalyst has confirmed its stability under the reported reaction conditions. The catalysts retain their catalytic activity up to the fifth run in both types of reactions, which is economically beneficial for industrial application.
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12
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Soloviev DO, Hanna FE, Misuraca MC, Hunter CA. H-bond cooperativity: polarisation effects on secondary amides. Chem Sci 2022; 13:11863-11868. [PMID: 36320903 PMCID: PMC9580511 DOI: 10.1039/d2sc04271a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/19/2022] [Indexed: 11/21/2022] Open
Abstract
Formation of a H-bond with an amide carbonyl oxygen atom increases the strength of subsequent H-bonds formed by the amide NH, due to polarisation of the bond. The magnitude of this effect has been quantified by measuring association constants for the formation of 1 : 1 complexes of 2-hydroxylbenzamides with tri-n-butyl phosphine oxide. In 2-hydroxybenzamides, there is an intramolecular H-bond between the phenol OH group and the carbonyl oxygen atom. Comparison of the association constants measured for compounds with and without the 2-hydroxy group allows direct quantification of the effect of the intramolecular H-bond on the H-bond donor properties of the amide NH group. Substituents were used to modulate the strength of the intramolecular and intermolecular H-bonds. The presence of an intramolecular H-bond increases the strength of the intermolecular H-bond by more than one order of magnitude in n-octane solution. The increase in the H-bond donor parameter used to describe the amide NH group is directly proportional to the H-bond donor parameter of the phenol OH group that makes the intramolecular H-bond. These polarisation effects will lead to substantial cooperativity in complex systems that feature networks of non-covalent interactions, and the measurements described here provide a quantitative basis for understanding such phenomena. Formation of an intramolecular phenol-amide H-bond leads to a dramatic increase in the H-bond donor strength of the amide NH group. Polarisation of the amide group is directly proportional to the polarity of the phenol H-bond donor.![]()
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Affiliation(s)
- Daniil O. Soloviev
- Yusuf Hamied Department of Chemistry, University of CambridgeLensfield RoadCambridge CB2 1EWUK
| | - Fergal E. Hanna
- Yusuf Hamied Department of Chemistry, University of CambridgeLensfield RoadCambridge CB2 1EWUK
| | - Maria Cristina Misuraca
- Yusuf Hamied Department of Chemistry, University of CambridgeLensfield RoadCambridge CB2 1EWUK
| | - Christopher A. Hunter
- Yusuf Hamied Department of Chemistry, University of CambridgeLensfield RoadCambridge CB2 1EWUK
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13
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Zhang K, Li C, Jia Y, Zhao W. Asymmetric Oxidative Lactonization of Enynyl Boronates. Angew Chem Int Ed Engl 2022; 61:e202209004. [DOI: 10.1002/anie.202209004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Kezhuo Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University 410082 Changsha Hunan P. R. China
| | - Chenchen Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University 410082 Changsha Hunan P. R. China
| | - Yining Jia
- State Key Laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University 410082 Changsha Hunan P. R. China
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University 410082 Changsha Hunan P. R. China
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14
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Zhang K, Li C, Jia Y, Zhao W. Asymmetric Oxidative Lactonization of Enynyl Boronates. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209004] [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)
| | | | | | - Wanxiang Zhao
- Hunan University chemistry Yuelushan, Changsha 410082 changsha CHINA
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15
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Bhuyan AJ, Bharali SJ, Sharma A, Dutta D, Gogoi P, Saikia L. Copper-Catalyzed Direct Syntheses of Phenoxypyrimidines from Chloropyrimidines and Arylboronic Acids: A Cascade Avenue and Unconventional Substrate Pairs. J Org Chem 2022; 87:11846-11851. [PMID: 35976814 DOI: 10.1021/acs.joc.2c00658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This letter describes the first synthetic methodology for phenoxypyrimidines that avoids the direct use of phenols or their salts. In contrast to the general trend of delivering Suzuki-Miyaura cross-coupling products in reactions between aryl or alky halides and arylboronic acids, the substrate pairs used herein (chloropyrimidines and arylboronic acids) led to C-O bond formation under the reaction conditions. In total, 25 phenoxypyrimidines were successfully synthesized using the described protocol, 6 of which had a structural resemblance to etravirine.
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Affiliation(s)
- Amar Jyoti Bhuyan
- Department of Chemistry, Rajiv Gandhi University, Rono-Hills, Doimukh, Arunachal Pradesh 791112, India
| | - Sourav Jyoti Bharali
- Department of Chemistry, Rajiv Gandhi University, Rono-Hills, Doimukh, Arunachal Pradesh 791112, India
| | - Abhilash Sharma
- Applied Organic Chemistry Group, Chemical Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, Assam 785006, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Dhiraj Dutta
- Applied Organic Chemistry Group, Chemical Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, Assam 785006, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Pranjal Gogoi
- Applied Organic Chemistry Group, Chemical Science and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat, Assam 785006, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Lakhinath Saikia
- Department of Chemistry, Rajiv Gandhi University, Rono-Hills, Doimukh, Arunachal Pradesh 791112, India
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16
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Kang D, Lee S, Kim J. Bioorthogonal Click and Release: A General, Rapid, Chemically Revertible Bioconjugation Strategy Employing Enamine N-oxides. Chem 2022; 8:2260-2277. [PMID: 36176744 PMCID: PMC9514142 DOI: 10.1016/j.chempr.2022.05.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A chemically revertible bioconjugation strategy featuring a new bioorthogonal dissociative reaction employing enamine N-oxides is described. The reaction is rapid, complete, directional, traceless, and displays a broad substrate scope. Reaction rates for cleavage of fluorophores from proteins are on the order of 82 M-1s-1, and the reaction is relatively insensitive to common aqueous buffers and pHs between 4 and 10. Diboron reagents with bidentate and tridentate ligands also effectively reduce the enamine N-oxide to induce dissociation and compound release. This reaction can be paired with the corresponding bioorthogonal hydroamination reaction to afford an integrated system of bioorthogonal click and release via an enamine N-oxide linchpin with a minimal footprint. The tandem associative and dissociative reactions are useful for the transient attachment of proteins and small molecules with access to a discrete, isolable intermediate. We demonstrate the effectiveness of this revertible transformation on cells using chemically cleavable antibody-drug conjugates.
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Affiliation(s)
- Dahye Kang
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Sanghyeon Lee
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Justin Kim
- Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, Massachusetts 02215, United States
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, Massachusetts 02115, United States
- Lead Contact
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17
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Gennaiou K, Petsi M, Kakarikas B, Iordanidis N, Zografos A. Divergent Synthesis of Bisphenols and Diaryl Ethers by Metal Compatible Organocatalytic Aerobic Oxidation of Boronic Acids. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | - Marina Petsi
- Aristotle University of Thessaloniki Faculty of Sciences GREECE
| | - Basil Kakarikas
- Aristotle University of Thessaloniki Faculty of Sciences GREECE
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18
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Allen MA, Ly HM, O'Keefe GF, Beauchemin AM. A redox-enabled strategy for intramolecular hydroamination. Chem Sci 2022; 13:7264-7268. [PMID: 35799811 PMCID: PMC9214914 DOI: 10.1039/d2sc00481j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/27/2022] [Indexed: 12/18/2022] Open
Abstract
Metal- or acid-catalyzed intramolecular hydroamination and Cope-type intramolecular hydroamination, a distinct concerted approach using hydroxylamines, typically suffer from significant synthetic limitations. Herein we report a process for intramolecular hydroamination that uses a redox-enabled strategy relying on efficient in situ generation of hydroxylamines by oxidation, followed by Cope-type hydroamination, then reduction of the resulting pyrrolidine N-oxide. The steps are performed sequentially in a single pot, no catalyst is required, the conditions are mild, the process is highly functional group tolerant, and no chromatography is generally required for isolation. A robustness screen and a gram-scale example further support the practicality of this approach.
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Affiliation(s)
- Meredith A Allen
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
| | - Huy M Ly
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
| | - Geneviève F O'Keefe
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
| | - André M Beauchemin
- Centre for Catalysis Research and Innovation, Department of Chemistry and Biomolecular Sciences, University of Ottawa 10 Marie-Curie Ottawa ON K1N 6N5 Canada
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19
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Copper(II)-Catalyzed 1,6-Hydroboration Reactions of p‑Quinone Methides Under Ligand-Free Conditions: A Sequential Methodology to gem-Disubstituted Methanols. Catal Letters 2022. [DOI: 10.1007/s10562-022-04063-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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20
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Kim SH, Cho HA, Lee YK. Bare Magnetite-Promoted Oxidative Hydroxylation of Arylboronic Acids and Subsequent Conversion into Phenolic Compounds. Synlett 2022. [DOI: 10.1055/s-0040-1719926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AbstractThe simple combination of readily available, recoverable, and recyclable magnetite (Fe3O4) nanoparticles and an environmentally friendly oxidant (H2O2) induced the effective functional group transformation of arylboronic acids into their corresponding phenols under mild conditions. Moreover, subsequent treatment of the reaction intermediate with appropriate electrophiles was accomplished in a one-pot system, leading to the formation of halophenols and phenolic derivatives.
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21
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Xie Q, Dong G. Programmable Ether Synthesis Enabled by Oxa-Matteson Reaction. J Am Chem Soc 2022; 144:8498-8503. [DOI: 10.1021/jacs.2c03621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Qiqiang Xie
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
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22
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Jin Choi S, Lee YG, Sang Shin U, Kim SH. Carbocatalyst-promoted oxidative hydroxylation of arylboronic acids. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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Rincón JA, Navarro A, Nieves-Remacha MJ, Eugenio de Diego J, Ruble JC, de la Puente ML, Trigo MJ, Schaefer BA. Hybrid Flow-Batch Model for the Efficient Synthesis of 2-(Dimethylamino)-6-methylpyridin-4-ol. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.1c00264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Juan A. Rincón
- Centro de Investigación Lilly S.A.U., Alcobendas-Madrid 28108, Spain
| | - Antonio Navarro
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | | | | | - J. Craig Ruble
- Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285, United States
| | | | - María Jesús Trigo
- Centro de Investigación Lilly S.A.U., Alcobendas-Madrid 28108, Spain
| | - Brian A. Schaefer
- Eastman Chemical Company, 200 S. Wilcox Drive, Kingsport, Tennessee 37660, United States
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24
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Wu Y, Hu C, Wang T, Eberle L, Hashmi ASK. Gold‐Catalyzed Reaction of Anthranils with Alkynyl Sulfones for the Regioselective Formation of 3‐Hydroxyquinolines. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yufeng Wu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery School of Pharmaceutical Sciences Sun Yat-sen University Guangzhou Guangdong 510006 People's Republic of China
| | - Chao Hu
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Tao Wang
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Lukas Eberle
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Chemistry Department, Faculty of Science King Abdulaziz University (KAU) 21589 Jeddah Saudi Arabia
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25
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Zhang F, Zhou L, Yang K, Song Q. Recent Progress on 1,2-Metallate Shift Reactions Based on Tetracoordinate Boron Intermediates. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202110017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Zhao J, Hu H, Zhang J, Li Y, Wang L, Zhou H, Wang R. Endogenous hydrogen peroxide can efficiently regulate CRISPR-Cas9 based gene editing. NEW J CHEM 2022. [DOI: 10.1039/d1nj04203c] [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
We report controllable gene editing tools for the CRISPR-Cas9 system via genetic code expansion triggered by oxidative small molecule H2O2.
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Affiliation(s)
- Jizhong Zhao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Hongmei Hu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Jingwen Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yuanyuan Li
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Li Wang
- Wuhan No. 1 Hospital, Huazhong University of Science and Technology, Wuhan, Hubei 430022, China
| | - Hongling Zhou
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Rui Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation, School of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
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27
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Greener AJ, Ubysz P, Owens-Ward W, Smith G, Ocaña I, Whitwood AC, Chechik V, James MJ. Radical-anion coupling through reagent design: hydroxylation of aryl halides. Chem Sci 2021; 12:14641-14646. [PMID: 34881017 PMCID: PMC8580057 DOI: 10.1039/d1sc04748e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/20/2021] [Indexed: 01/09/2023] Open
Abstract
The design and development of an oxime-based hydroxylation reagent, which can chemoselectively convert aryl halides (X = F, Cl, Br, I) into phenols under operationally simple, transition-metal-free conditions is described. Key to the success of this approach was the identification of a reducing oxime anion which can interact and couple with open-shell aryl radicals. Experimental and computational studies support the proposed radical-nucleophilic substitution chain mechanism.
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Affiliation(s)
- Andrew J Greener
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Patrycja Ubysz
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Will Owens-Ward
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - George Smith
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Ivan Ocaña
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Adrian C Whitwood
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Victor Chechik
- Department of Chemistry, University of York Heslington York YO10 5DD UK
| | - Michael J James
- Department of Chemistry, University of York Heslington York YO10 5DD UK
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28
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Tao L, Yang W, Zhao W. Synthesis of Carboxylic Acids, Esters, and Amides from 1,1‐Dibromoalkenes via Oxidation of Alkynyl Boronate Intermediates. ChemistrySelect 2021. [DOI: 10.1002/slct.202102150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lei Tao
- State Key Laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University South Lushan Road Changsha 410082 P. R. China
| | - Wen Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University South Lushan Road Changsha 410082 P. R. China
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics Advanced Catalytic Engineering Research Center of the Ministry of Education College of Chemistry and Chemical Engineering Hunan University South Lushan Road Changsha 410082 P. R. China
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29
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Kwon GT, Kim SH. TYLENOL® and ASPIRIN® as green promoters for ipso-hydroxylation of arylboronic acids. LETT ORG CHEM 2021. [DOI: 10.2174/1570178618666210907164813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
:
We explored the most expedient pathway for phenolic compound preparation using a combination of arylboronic acids, a green oxidant (H2O2) and a catalytic amount of readily available medicinal materials (TYLENOL® and ASPIRIN®). The ayrlboronic acids were successfully transformed into the corresponding phenols in high yields under metal- and base-free aqueous aerobic conditions. We demonstrated that enhanced availability and sustainability are some advantages associated with the use of medicinal supports.
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Affiliation(s)
- Gyu-Tae Kwon
- Department of chemistry, Dankook University, Cheonan, South Korea
| | - Seung-Hoi Kim
- Department of chemistry, Dankook University, Cheonan, South Korea
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30
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Kawamoto T, Ryu I. Blacklight‐Induced Hydroxylation of Arylboronic Acids Leading to Hydroxyarenes Using Molecular Oxygen and Tetrabutylammonium Borohydride. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100102] [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)
- Takuji Kawamoto
- Department of Applied Chemistry Yamaguchi University Ube, Yamaguchi 755-8611 Japan
| | - Ilhyong Ryu
- Organization for Research Promotion Osaka Prefecture University Sakai, Osaka 599-8531 Japan
- Department of Applied Chemistry National Yang Ming Chiao Tung University (NYCU) Hsinchu 30010 Taiwan
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31
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Upadhyay R, Singh D, Maurya SK. Highly efficient heterogeneous V
2
O
5
@TiO
2
catalyzed the rapid transformation of boronic acids to phenols. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100614] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Rahul Upadhyay
- Chemical Technology Division CSIR-Institute of Himalayan Bioresource Technology Palampur Himachal Pradesh 176 061 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Deepak Singh
- Chemical Technology Division CSIR-Institute of Himalayan Bioresource Technology Palampur Himachal Pradesh 176 061 India
| | - Sushil K. Maurya
- Chemical Technology Division CSIR-Institute of Himalayan Bioresource Technology Palampur Himachal Pradesh 176 061 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
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32
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Wang T, Wang Y, Xu K, Zhang Y, Guo J, Liu L. Transition‐Metal‐Free DMAP‐Mediated Aromatic Esterification of Amides with Organoboronic Acids. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Tao Wang
- School of Chemistry and Chemical Engineering Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals Shangqiu Normal University Shangqiu Henan 476000 China
- School of Chemistry and Chemical Engineering Henan Key Laboratory of Biomolecular Recognition and Sensing Shangqiu Normal University Shangqiu Henan 476000 China
| | - Yanqing Wang
- School of Chemistry and Chemical Engineering Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals Shangqiu Normal University Shangqiu Henan 476000 China
| | - Kai Xu
- School of Chemistry and Chemical Engineering Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals Shangqiu Normal University Shangqiu Henan 476000 China
- School of Chemistry and Chemical Engineering Henan Key Laboratory of Biomolecular Recognition and Sensing Shangqiu Normal University Shangqiu Henan 476000 China
| | - Yuheng Zhang
- School of Chemistry and Chemical Engineering Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals Shangqiu Normal University Shangqiu Henan 476000 China
- School of Chemistry and Chemical Engineering Henan Key Laboratory of Biomolecular Recognition and Sensing Shangqiu Normal University Shangqiu Henan 476000 China
| | - Jiarui Guo
- School of Chemistry and Chemical Engineering Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals Shangqiu Normal University Shangqiu Henan 476000 China
- School of Chemistry and Chemical Engineering Henan Key Laboratory of Biomolecular Recognition and Sensing Shangqiu Normal University Shangqiu Henan 476000 China
| | - Lantao Liu
- School of Chemistry and Chemical Engineering Henan Engineering Laboratory of Green Synthesis for Pharmaceuticals Shangqiu Normal University Shangqiu Henan 476000 China
- School of Chemistry and Chemical Engineering Henan Key Laboratory of Biomolecular Recognition and Sensing Shangqiu Normal University Shangqiu Henan 476000 China
- College of Chemistry Zhengzhou University Zhengzhou Henan 450001 China
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33
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Dandia A, Sharma R, Saini P, Badgoti RS, Rathore KS, Parewa V. The graphite-catalyzed ipso-functionalization of arylboronic acids in an aqueous medium: metal-free access to phenols, anilines, nitroarenes, and haloarenes. RSC Adv 2021; 11:18040-18049. [PMID: 35480165 PMCID: PMC9033238 DOI: 10.1039/d1ra01940f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 04/30/2021] [Indexed: 12/20/2022] Open
Abstract
An efficient, metal-free, and sustainable strategy has been described for the ipso-functionalization of phenylboronic acids using air as an oxidant in an aqueous medium. A range of carbon materials has been tested as carbocatalysts. To our surprise, graphite was found to be the best catalyst in terms of the turnover frequency. A broad range of valuable substituted aromatic compounds, i.e., phenols, anilines, nitroarenes, and haloarenes, has been prepared via the functionalization of the C-B bond into C-N, C-O, and many other C-X bonds. The vital role of the aromatic π-conjugation system of graphite in this protocol has been established and was observed via numerous analytic techniques. The heterogeneous nature of graphite facilitates the high recyclability of the carbocatalyst. This effective and easy system provides a multipurpose approach for the production of valuable substituted aromatic compounds without using any metals, ligands, bases, or harsh oxidants.
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Affiliation(s)
- Anshu Dandia
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Ruchi Sharma
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Pratibha Saini
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Ranveer Singh Badgoti
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
| | - Kuldeep S Rathore
- Department of Physics, Arya College of Engineering and IT Jaipur India
| | - Vijay Parewa
- Centre of Advanced Studies, Department of Chemistry, University of Rajasthan Jaipur India
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34
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Wang S, Zhao J, Wang L, Zhang J, Hu H, Yu P, Wang R. Inducible DNA Polymerase Chain Reaction Triggered by Oxidative Species. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000377] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Sheng Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy Tongji Medical College Huazhong University of Science and Technology 13 Hangkong Road Wuhan Hubei 430030 P. R. China
| | - Jizhong Zhao
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy Tongji Medical College Huazhong University of Science and Technology 13 Hangkong Road Wuhan Hubei 430030 P. R. China
| | - Li Wang
- Wuhan No.1 Hospital 215 Zhongshan Avenue Wuhan Hubei 430022 P. R. China
| | - Jingwen Zhang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy Tongji Medical College Huazhong University of Science and Technology 13 Hangkong Road Wuhan Hubei 430030 P. R. China
| | - Hongmei Hu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy Tongji Medical College Huazhong University of Science and Technology 13 Hangkong Road Wuhan Hubei 430030 P. R. China
| | - Ping Yu
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy Tongji Medical College Huazhong University of Science and Technology 13 Hangkong Road Wuhan Hubei 430030 P. R. China
| | - Rui Wang
- Hubei Key Laboratory of Natural Medicinal Chemistry and Resource Evaluation School of Pharmacy Tongji Medical College Huazhong University of Science and Technology 13 Hangkong Road Wuhan Hubei 430030 P. R. China
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35
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Elumalai V, Hansen JH. A scalable and green one-minute synthesis of substituted phenols. RSC Adv 2020; 10:40582-40587. [PMID: 35520826 PMCID: PMC9057563 DOI: 10.1039/d0ra08580d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 10/23/2020] [Indexed: 12/23/2022] Open
Abstract
A mild, green and highly efficient protocol was developed for the synthesis of substituted phenols via ipso-hydroxylation of arylboronic acids in ethanol. The method utilizes the combination of aqueous hydrogen peroxide as the oxidant and H2O2/HBr as the reagent under unprecedentedly simple and convenient conditions. A wide range of arylboronic acids were smoothly transformed into substituted phenols in very good to excellent yields without chromatographic purification. The reaction is scalable up to at least 5 grams at room temperature with one-minute reaction time and can be combined in a one-pot sequence with bromination and Pd-catalyzed cross-coupling to generate more diverse, highly substituted phenols.
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Affiliation(s)
- Vijayaragavan Elumalai
- UiT The Arctic University of Norway, Department of Chemistry, Chemical Synthesis and Analysis Group N9037 Tromsø Norway
| | - Jørn H Hansen
- UiT The Arctic University of Norway, Department of Chemistry, Chemical Synthesis and Analysis Group N9037 Tromsø Norway
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36
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Oxidative Hydroxylation of Aryl Boronic Acid Catalyzed by Co-porphyrin Complexes via Blue-Light Irradiation. Catalysts 2020. [DOI: 10.3390/catal10111262] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Oxidative reactions often require unstable and environmentally harmful oxidants; therefore, the investigation of safer alternatives is urgent. Here, the hydroxylation of aryl boronic acid in the presence of Co-complexes is demonstrated. Tetrakis(4-carboxyphenyl) Co(II)-porphyrin was combined with biodegradable polymers such as chitosan catalyzed hydroxylation of phenyl boronic acids to form phenol derivatives under blue-light irradiation. This catalytic system can be used as an eco-friendly oxidation process that does not release oxidizing agents into the atmosphere.
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37
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Ghorai SK, Dasgupta M, Dutta P, Dumeunier R, Mal S, Patre R, Kuilya TK, Pal S, Manjunath BN. Convenient synthesis of 3-Hydroxyquinolines via dakin oxidation: A short synthesis of Jineol. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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38
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Chutia R, Chetia B. An efficient base and H2O2 free protocol for the synthesis of phenols in water and oxygen using spinel CuFe2O4 magnetic nanoparticles. J COORD CHEM 2020. [DOI: 10.1080/00958972.2020.1802437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Rituparna Chutia
- Department of Chemistry, Dibrugarh University, Dibrugarh, Assam, India
| | - Bolin Chetia
- Department of Chemistry, Dibrugarh University, Dibrugarh, Assam, India
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39
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Muhammad I, Mannathan S, Sasidharan M. Quaternary ammonium hydroxide‐functionalized
g‐C
3
N
4
catalyst for aerobic hydroxylation of arylboronic acids to phenols. J CHIN CHEM SOC-TAIP 2020. [DOI: 10.1002/jccs.202000141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ibrahim Muhammad
- SRM Research Institute and Department of ChemistrySRM Institute of Science and Technology Kattankulathur Tamilnadu India
| | | | - Manickam Sasidharan
- SRM Research Institute and Department of ChemistrySRM Institute of Science and Technology Kattankulathur Tamilnadu India
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40
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McCarthy C, Losada‐Garcia N, Palomo JM. Direct Synthesis of Phenols from Phenylboronic Acids in Aqueous Media Catalyzed by a Cu(0)‐Nanoparticles Biohybrid. ChemistrySelect 2020. [DOI: 10.1002/slct.202002110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Caitlin McCarthy
- Department of Biocatalysis Institute of Catalysis (CSIC) Cantoblanco campus UAM 28049 Madrid Spain) E-mail
| | - Noelia Losada‐Garcia
- Department of Biocatalysis Institute of Catalysis (CSIC) Cantoblanco campus UAM 28049 Madrid Spain) E-mail
| | - Jose M. Palomo
- Department of Biocatalysis Institute of Catalysis (CSIC) Cantoblanco campus UAM 28049 Madrid Spain) E-mail
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41
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Yu K, Zhang H, Sheng Y, Zhu Y. Visible-light-promoted aerobic oxidative hydroxylation of arylboronic acids in water by hydrophilic organic semiconductor. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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42
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Synthesis of Phenols via Metal-Free Hydroxylation of Aryl Boronic Acids with Aqueous TBHP. J CHEM-NY 2020. [DOI: 10.1155/2020/1543081] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
An alternate procedure for oxidative hydroxylation of aryl boronic acids with aqueous TBHP to access phenols is described. The protocol tolerated various functional groups substituted with aromatic rings. The reaction was performed in water and free from transition metal oxidants.
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43
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Li C, Zhao P, Li R, Zhang B, Zhao W. Oxidation of Alkynyl Boronates to Carboxylic Acids, Esters, and Amides. Angew Chem Int Ed Engl 2020; 59:10913-10917. [PMID: 32219974 DOI: 10.1002/anie.202000988] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Revised: 03/16/2020] [Indexed: 12/13/2022]
Abstract
A general efficient protocol was developed for the synthesis of carboxylic acids, esters, and amides through oxidation of alkynyl boronates, generated directly from terminal alkynes. This protocol represents the first example of C(sp)-B bond oxidation. This approach displays a broad substrate scope, including aryl and alkyl alkynes, and exhibits excellent functional group tolerance. Water, primary and secondary alcohols, and amines are suitable nucleophiles for this transformation. Notably, amino acids and peptides can be used as nucleophiles, providing an efficient method for the synthesis and modification of peptides. The practicability of this methodology was further highlighted by the preparation of pharmaceutical molecules.
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Affiliation(s)
- Chenchen Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, P. R. China
| | - Pei Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, P. R. China
| | - Ruoling Li
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, P. R. China
| | - Bing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, P. R. China
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, P. R. China
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44
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Li C, Zhao P, Li R, Zhang B, Zhao W. Oxidation of Alkynyl Boronates to Carboxylic Acids, Esters, and Amides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000988] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Chenchen Li
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Pei Zhao
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Ruoling Li
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Bing Zhang
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
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45
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Kwon G, Lim I, Shin US, Kim S. Highly Porous Polycaprolactone Membrane: A Biocompatible Promotor for Oxidative Hydroxylation of Arylboronic Acids. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.12012] [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)
- Gyu‐Tae Kwon
- Department of ChemistryDankook University Yongin‐si South Korea
| | - In‐Kyun Lim
- Department of ChemistryDankook University Yongin‐si South Korea
| | - Ueon Sang Shin
- Graduate School of Nanobiomedical ScienceDankook University Cheonan 31116 South Korea
| | - Seung‐Hoi Kim
- Department of ChemistryDankook University Yongin‐si South Korea
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46
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Nickel-catalyzed oxidative hydroxylation of arylboronic acid: Ni(HBTC)BPY MOF as an efficient and ligand-free catalyst to access phenolic motifs. CATAL COMMUN 2020. [DOI: 10.1016/j.catcom.2019.105911] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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47
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Gujjarappa R, Vodnala N, Garg A, Hazra CK, Gupta S, Malakar CC. Amino‐Acid‐Mediated Aerobic Oxidation of Organoborons for the Synthesis of Phenolic Derivatives Using Single Electron Transfer. ChemistrySelect 2020. [DOI: 10.1002/slct.201904059] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Raghuram Gujjarappa
- Department of Chemistry National Institute of Technology Manipur Langol, Imphal 795004, Manipur India
| | - Nagaraju Vodnala
- Department of Chemistry National Institute of Technology Manipur Langol, Imphal 795004, Manipur India
| | - Aakriti Garg
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research (NIPER) Kolkata, Chunilal Bhawan, 168, Maniktala Main Road, Kolkata 700054 India
| | - Chinmoy K. Hazra
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas New Delhi 110016 India
| | - Sreya Gupta
- Department of Medicinal Chemistry National Institute of Pharmaceutical Education and Research (NIPER) Kolkata, Chunilal Bhawan, 168, Maniktala Main Road, Kolkata 700054 India
| | - Chandi C. Malakar
- Department of Chemistry National Institute of Technology Manipur Langol, Imphal 795004, Manipur India
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48
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Rongalite-promoted metal-free aerobic ipso-hydroxylation of arylboronic acids under sunlight: DFT mechanistic studies. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2019.151539] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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49
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Chen Y, Hu J, Ding A. Aerobic photooxidative hydroxylation of boronic acids catalyzed by anthraquinone-containing polymeric photosensitizer. RSC Adv 2020; 10:7927-7932. [PMID: 35492190 PMCID: PMC9049903 DOI: 10.1039/d0ra00176g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Accepted: 02/17/2020] [Indexed: 11/21/2022] Open
Abstract
We report herein the synthesis of a polymeric photosensitizer and its application in aerobic photooxidative hydroxylation of boronic acids.
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Affiliation(s)
- Yang Chen
- State Key Laboratory of Molecular Engineering of Polymers
- Department of Macromolecular Science
- Fudan University
- Shanghai 200438
- PR China
| | - Jianhua Hu
- State Key Laboratory of Molecular Engineering of Polymers
- Department of Macromolecular Science
- Fudan University
- Shanghai 200438
- PR China
| | - Aishun Ding
- Department of Chemistry
- Fudan University
- Shanghai 200438
- PR China
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50
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Hao L, Ding G, Deming DA, Zhang Q. Recent Advances in Green Synthesis of Functionalized Phenols from Aromatic Boronic Compounds. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901303] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Leiduan Hao
- Department of Chemistry; Washington State University; 99164 Pullman Washington USA
| | - Guodong Ding
- Department of Chemistry; Washington State University; 99164 Pullman Washington USA
| | - Derek A. Deming
- Department of Chemistry; Washington State University; 99164 Pullman Washington USA
| | - Qiang Zhang
- Department of Chemistry; Washington State University; 99164 Pullman Washington USA
- Materials Science and Engineering Program; Washington State University; 99164 Pullman Washington USA
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