1
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Batabyal M, Chaurasia D, Panda PR, Jha RK, Kadu R, Kumar S. Benzoimidazolyl Organoseleniums: Antioxidant Activity and Catalysts for Selective Iodination of Arenes and Nitro-Michael Reaction. J Org Chem 2024; 89:14328-14340. [PMID: 39283162 DOI: 10.1021/acs.joc.4c01757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2024]
Abstract
Here, the synthesis and catalytic activities of benzoimidazole-derived organoselenium compounds have been explored. The synthesized bis(2-benzoimidazolyl) diselenide, having increased Lewis acidity on the selenium center, outperforms simple phenyl and N-phenyl benzamide-based diselenides when compared for thiol peroxidase hydrogen peroxide decomposing antioxidant activity with a reduction rate of 18.6 ± 1.9 μM/s. The synthesized diselenide also acted as an efficient catalyst for the activation of N-iodo-succinimide toward the regioselective, monoiodination of electron-rich arenes and activation of nitro-alkene for nitro-Michael reactions for the first time.
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Affiliation(s)
- Monojit Batabyal
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal by-pass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Deeksha Chaurasia
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal by-pass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Priyanka Rani Panda
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal by-pass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Raushan Kumar Jha
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal by-pass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
| | - Rahul Kadu
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal by-pass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
- MIT School of Engineering, MIT Art, Design and Technology University, Pune, Maharashtra 412201, India
| | - Sangit Kumar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Bhopal, Bhopal by-pass Road, Bhauri, Bhopal, Madhya Pradesh 462066, India
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2
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Mondal H. Halogen and Chalcogen Activation by Nucleophilic Catalysis. Chemistry 2024; 30:e202402261. [PMID: 39039960 DOI: 10.1002/chem.202402261] [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: 06/12/2024] [Revised: 07/04/2024] [Accepted: 07/21/2024] [Indexed: 07/24/2024]
Abstract
The high utility of halogenated organic compounds has prompted the development of numerous transformations that install the carbon-halogen motif. Halogen functionalities, deemed as "functional and functionalizable" molecules due to their capacity to modulate diverse internal properties, constitute a pivotal strategy in drug discovery and development. Traditional routes to these building blocks have commonly involved multiple steps, harsh reaction conditions, and the use of stoichiometric and/or toxic reagents. With the emergence of solid halogen carriers such as N-halosuccinimides, and halohydantoins as popular sources of halonium ions, the past decade has witnessed enormous growth in the development of new catalytic strategies for halofunctionalization. This review aims to provide a nuanced perspective on nucleophilic activators and their roles in halogen activation. It will highlight critical discoveries in effecting racemic and asymmetric variants of these reactions, driven by the development of new catalysts, activation modes, and improved understanding of chemical reactivity and reaction kinetics.
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Affiliation(s)
- Haripriyo Mondal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
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3
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Kim GR, Kim S, Kim YO, Han X, Nagel J, Kim J, Song DI, Müller CE, Yoon MH, Jin MS, Kim YC. Discovery of Triazolopyrimidine Derivatives as Selective P2X3 Receptor Antagonists Binding to an Unprecedented Allosteric Site as Evidenced by Cryo-Electron Microscopy. J Med Chem 2024; 67:14443-14465. [PMID: 39102524 DOI: 10.1021/acs.jmedchem.4c01214] [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: 08/07/2024]
Abstract
The P2X3 receptor (P2X3R), an ATP-gated cation channel predominantly expressed in C- and Aδ-primary afferent neurons, has been proposed as a drug target for neurological inflammatory diseases, e.g., neuropathic pain, and chronic cough. Aiming to develop novel, selective P2X3R antagonists, tetrazolopyrimidine-based hit compound 9 was optimized through structure-activity relationship studies by modifying the tetrazole core as well as side chain substituents. The optimized antagonist 26a, featuring a cyclopropane-substituted triazolopyrimidine core, displayed potent P2X3R-antagonistic activity (IC50 = 54.9 nM), 20-fold selectivity versus the heteromeric P2X2/3R, and high selectivity versus other P2XR subtypes. Noncompetitive P2X3R blockade was experimentally confirmed by calcium influx assays. Cryo-electron microscopy revealed that 26a stabilizes the P2X3R in its desensitized state, acting as a molecular barrier to prevent ions from accessing the central pore. In vivo studies in a rat neuropathic pain model (spinal nerve ligation) showed dose-dependent antiallodynic effects of 26a, thus presenting a novel, promising lead structure.
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Affiliation(s)
- Ga-Ram Kim
- School of Life Sciences, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Subin Kim
- School of Life Sciences, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Yeo-Ok Kim
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School, 42 Jebong-ro, Dong-gu, Gwangju 61469, Republic of Korea
| | - Xuehao Han
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School, 42 Jebong-ro, Dong-gu, Gwangju 61469, Republic of Korea
| | - Jessica Nagel
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, Bonn 53113, Germany
| | - Jihyun Kim
- School of Life Sciences, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Dahin Irene Song
- Bioengineering, University of Pennsylvania, 3451 Walnut St, Philadelphia, Pennsylvania 19104, United States
| | - Christa E Müller
- PharmaCenter Bonn, Pharmaceutical Institute, Pharmaceutical & Medicinal Chemistry, University of Bonn, An der Immenburg 4, Bonn 53113, Germany
| | - Myung-Ha Yoon
- Department of Anesthesiology and Pain Medicine, Chonnam National University Medical School, 42 Jebong-ro, Dong-gu, Gwangju 61469, Republic of Korea
| | - Mi Sun Jin
- School of Life Sciences, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Yong-Chul Kim
- School of Life Sciences, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
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4
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Wu F, Tang C, Li X, Li N, Liu M, Li D, Dai R, Shen X, Zhai H. Metal-free iodination of arylaldehydes for total synthesis of aristogins A-F and hernandial. Org Biomol Chem 2024; 22:4667-4671. [PMID: 38804830 DOI: 10.1039/d4ob00603h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Iodine is one of the most effective sources for iodination of aromatic compounds; however, its electrophilicity is insufficient for direct iodination. The selection of appropriate environmentally friendly and cost-effective oxidants in combination with iodine for the iodination of aromatic rings, along with its application in the synthesis of natural products, holds significant importance. A highly efficient method utilizing I(III) as the initiator has been successfully developed for monoiodination of arylaldehydes. The method demonstrates good compatibility with a wide range of (hetero)aromatic aldehydes, resulting in moderate to excellent yields, without the need for any toxic, volatile or explosive reagents. The synthesis of seven natural products, namely aristogins A-F and hernandial, was achieved through this iodination followed by Ullmann-type coupling.
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Affiliation(s)
- Fufang Wu
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Chunmei Tang
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Xuejian Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Nan Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Miao Liu
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Danqin Li
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Rongrong Dai
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Xiaobao Shen
- Biomass Oligosaccharides Engineering Technology Research Center of Anhui Province, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang 236037, China.
| | - Hongbin Zhai
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Engineering Laboratory of Nano Drug Slow-Release, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
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5
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Waddell LJN, Wilson C, Sutherland A. Trifluoromethylthiolation of Arenes Using Lewis Acid and Lewis Base Dual Catalysis. J Org Chem 2024; 89:1275-1284. [PMID: 38156642 PMCID: PMC10804413 DOI: 10.1021/acs.joc.3c02571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Incorporation of the highly lipophilic trifluoromethanesulfenyl group into bioactive molecules facilitates transport through lipid membranes, and thus, CF3S-containing compounds are important for drug discovery. Although reagents and procedures have been reported for arene trifluoromethylthiolation, methods are still required that are applicable to a diverse substrate scope and can be performed under mild conditions. Here, we describe a rapid and efficient approach for the trifluoromethylthiolation of arenes by catalytic activation of N-trifluoromethylthiosaccharin using a combination of iron(III) chloride and diphenyl selenide. This dual catalytic process allowed regioselective functionalization of a wide range of arenes and N-heterocycles under mild conditions and was used for the trifluoromethylthiolation of bioactive compounds such as tyrosine and estradiol.
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Affiliation(s)
- Lachlan J N Waddell
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Claire Wilson
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Andrew Sutherland
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
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6
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Hauenschild T, Hinderberger D. A New Rapid and Specific Iodination Reagent for Phenolic Compounds. ORGANICS 2023. [DOI: 10.3390/org4020011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/08/2023] Open
Abstract
A new rapid iodination reagent, N1,N3,N5-tris[(2,4,6-trimethylpyridine)iodo(I)]-2,4,6-triphenyl-s-triazine trihexafluorophosphate, was synthesized in a modification of the established synthesis of 2,4,6-triiodo-3,5-dimethylphenol in the presence of bis(2,4,6-trimethylpyridine)iodo(I) hexafluorophosphate and used for the precise post-modification of mono- and trisubstituted phenyl compounds. We performed triple iodinations with our new phenyl-based compounds as a proof of principle of selected types of phenols, ß-sympatholytic agents and their spin-labeled derivatives, which can be employed in electron paramagnetic resonance (EPR) spectroscopy. The new rapid iodination reagent can be employed with high reactivity and regioselectivity.
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Affiliation(s)
- Till Hauenschild
- Institute of Chemistry, Physical Chemistry—Complex Self-Organizing Systems, Martin Luther University Halle-Wittenberg, Von-Danckelmann-Platz 4, 06120 Halle (Saale), Germany
- Toxicology—Drug & Medical Analytics, R&D, Head of Laboratory (“General Unknown Screening”), MVZ Medizinische Labore Dessau Kassel GmbH—Limbach Gruppe SE, Bauhüttenstraße 6, 06847 Dessau-Roßlau, Germany
| | - Dariush Hinderberger
- Institute of Chemistry, Physical Chemistry—Complex Self-Organizing Systems, Martin Luther University Halle-Wittenberg, Von-Danckelmann-Platz 4, 06120 Halle (Saale), Germany
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7
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Dong Q, Huang Q, Wang M, Chen H, Zi Y, Huang W. 1,3-Dichloro-5,5-Dimethylhydantoin Promoted Esterification of Carboxylic Acids under Mild Conditions. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154226] [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]
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8
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Li W, Liu J, Zhou M, Ma L, Zhang M. Visible light-enabled regioselective chlorination of coumarins using CuCl 2via LMCT excitation. Org Biomol Chem 2022; 20:6667-6672. [PMID: 35943174 DOI: 10.1039/d2ob01134d] [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
An efficient, regioselective chlorination of coumarins using Earth-abundant and cost-effective CuCl2 under visible light irradiation is reported. A key feature of this protocol is the photocatalytic dissociation of the copper(II) complex in acetonitrile through ligand-to-metal charge transfer (LMCT) to give the chlorine atom which then selectively chlorinates the coumarin. This method can chlorinate a broad scope of coumarins with either electron-withdrawing or electron-donating substituents to regioselectively afford 3-chlorocoumarins in good to excellent yields and can be further extended to other electron-deficient heterocycles and olefins such as flavones, 8-methoxypsoralen and naphthoquinones.
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Affiliation(s)
- Weiming Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, China.
| | - Jinshan Liu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, China.
| | - Min Zhou
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, China.
| | - Lin Ma
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, China.
| | - Min Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, China.
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9
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Moskalik MY, Astakhova VV. Triflamides and Triflimides: Synthesis and Applications. Molecules 2022; 27:5201. [PMID: 36014447 PMCID: PMC9414225 DOI: 10.3390/molecules27165201] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 11/24/2022] Open
Abstract
Among the variety of sulfonamides, triflamides (CF3SO2NHR, TfNHR) occupy a special position in organic chemistry. Triflamides are widely used as reagents, efficient catalysts or additives in numerous reactions. The reasons for the widespread use of these compounds are their high NH-acidity, lipophilicity, catalytic activity and specific chemical properties. Their strong electron-withdrawing properties and low nucleophilicity, combined with their high NH-acidity, makes it possible to use triflamides in a vast variety of organic reactions. This review is devoted to the synthesis and use of N-trifluoromethanesulfonyl derivatives in organic chemistry, medicine, biochemistry, catalysis and agriculture. Part of the work is a review of areas and examples of the use of bis(trifluoromethanesulfonyl)imide (triflimide, (CF3SO2)2NH, Tf2NH). Being one of the strongest NH-acids, triflimide, and especially its salts, are widely used as catalysts in cycloaddition reactions, Friedel-Crafts reactions, condensation reactions, heterocyclization and many others. Triflamides act as a source of nitrogen in C-amination (sulfonamidation) reactions, the products of which are useful building blocks in organic synthesis, catalysts and ligands in metal complex catalysis, and have found applications in medicine. The addition reactions of triflamide in the presence of oxidizing agents to alkenes and dienes are considered separately.
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Affiliation(s)
- Mikhail Y. Moskalik
- Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 664033 Irkutsk, Russia
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10
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Dodds AC, Puddu S, Sutherland A. Thioarylation of anilines using dual catalysis: two-step synthesis of phenothiazines. Org Biomol Chem 2022; 20:5602-5614. [PMID: 35796590 DOI: 10.1039/d2ob01082h] [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
A two-step synthesis of phenothiazines has been developed using a dual-catalytic ortho-thioarylation reaction of anilines as the key step. Activation of N-(2-bromophenylthio)succinimide was achieved using the super Lewis acid, iron(III) triflimide and the Lewis base, diphenyl selenide, resulting in an accelerated and efficient ortho-thioarylation reaction of various protected aniline derivatives and less reactive, unprotected analogues. The thioarylated adducts were then cyclised to the desired phenothiazines using either an Ullmann-Goldberg or Buchwald-Hartwig coupling reaction. The dual catalytic thioarylation and copper(I)-catalysed cyclisation approach was used for the four-step synthesis of methopromazine, a neuroleptic agent with antipsychotic activity.
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Affiliation(s)
- Amy C Dodds
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
| | - Sabrina Puddu
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
| | - Andrew Sutherland
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
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11
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Segura-Quezada LA, Torres-Carbajal KR, Juárez-Ornelas KA, Alonso-Castro AJ, Ortiz-Alvarado R, Dohi T, Solorio-Alvarado CR. Iodine(III) reagents for oxidative aromatic halogenation. Org Biomol Chem 2022; 20:5009-5034. [PMID: 35703407 DOI: 10.1039/d2ob00741j] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iodine(III) reagents have attracted chemical relvance in organic synthesis by their use as safe, non-toxic, green and easy to handle reagents in different transformations. These characteristics make them important alternatives to procedures involving hazardous and harsh reaction conditions. Their versatility as oxidants has been exploited in the functionalization of different aromatic cores, which allow the introduction of several groups. Metal-free arylation using iodine(III) reagents is by far one of the most described topics in the literature; however, other highly relevant non-aromatic groups have been also introduced. Herein, we summarize the most representative developed procedures for the functionalization of aryls and heteroaryls by introducing halogens, using different iodine(III) reagents.
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Affiliation(s)
- Luis A Segura-Quezada
- Universidad de Guanajuato, Departamento de Química, División de Ciencias Naturales y Exactas, Campus Guanajuato, Cerro de la Venada S/N, 36040, Guanajuato, Gto., Mexico.
| | - Karina R Torres-Carbajal
- Universidad de Guanajuato, Departamento de Química, División de Ciencias Naturales y Exactas, Campus Guanajuato, Cerro de la Venada S/N, 36040, Guanajuato, Gto., Mexico.
| | - Kevin A Juárez-Ornelas
- Universidad de Guanajuato, Departamento de Química, División de Ciencias Naturales y Exactas, Campus Guanajuato, Cerro de la Venada S/N, 36040, Guanajuato, Gto., Mexico.
| | - Angel J Alonso-Castro
- Universidad de Guanajuato, Departamento de Química, División de Ciencias Naturales y Exactas, Campus Guanajuato, Cerro de la Venada S/N, 36040, Guanajuato, Gto., Mexico.
| | - Rafael Ortiz-Alvarado
- Universidad Michoacana de San Nicolás de Hidalgo, Facultad de Químico Farmacobiología, Tzintzuntzan 173, col. Matamoros, Morelia, Mich., Mexico.
| | - Toshifumi Dohi
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1, Nojihigashi, Kusatsu Shiga, 525-8577, Japan.
| | - César R Solorio-Alvarado
- Universidad de Guanajuato, Departamento de Química, División de Ciencias Naturales y Exactas, Campus Guanajuato, Cerro de la Venada S/N, 36040, Guanajuato, Gto., Mexico.
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12
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Kreisel T, Mendel M, Queen AE, Deckers K, Hupperich D, Riegger J, Fricke C, Schoenebeck F. Modular Generation of (Iodinated) Polyarenes Using Triethylgermane as Orthogonal Masking Group. Angew Chem Int Ed Engl 2022; 61:e202201475. [PMID: 35263493 PMCID: PMC9314983 DOI: 10.1002/anie.202201475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Indexed: 02/06/2023]
Abstract
While the modular construction of molecules from suitable building blocks is a powerful means to more rapidly generate a diversity of molecules than through customized syntheses, the further evolution of the underlying coupling methodology is key to realize widespread applications. We herein disclose a complementary modular coupling approach to the widely employed Suzuki coupling strategy of boron containing precursors, which relies on organogermane containing building blocks as key orthogonal functionality and an electrophilic (rather than nucleophilic) unmasking event paired with air-stable PdI dimer based bond construction. This allows to significantly shorten the reaction times for the iterative coupling steps and/or to close gaps in the accessible compound space, enabling straightforward access also to iodinated compounds.
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Affiliation(s)
- Tatjana Kreisel
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Marvin Mendel
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Adele E. Queen
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Kristina Deckers
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Daniel Hupperich
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Julian Riegger
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
| | - Christoph Fricke
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152074AachenGermany
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13
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Yuan Y, Guo D, Liu Y, Wan C, Lu D, Yang H, Lu Y, Meng W, Wang H, Zhang X. Iron(III)‐Mediated Nucleophilic Halogenation of Phenols Using an Amido Directing Group. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200387] [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)
- Ye Yuan
- Northwest Agriculture and Forestry University School of Chemistry and Pharmacy Yangling CHINA
| | - Dou Guo
- Northwest Agriculture and Forestry University School of Chemistry Yangling CHINA
| | - Yibo Liu
- Northwest Agriculture and Forestry University School of Chemistry Yangling CHINA
| | - Congcong Wan
- Northwest Agriculture and Forestry University School of Chemistry Yangling CHINA
| | - Dongbiao Lu
- Northwest Agriculture and Forestry University School of Chemistry Yangling CHINA
| | - Hongxiang Yang
- Northwest Agriculture and Forestry University School of Chemistry Yangling CHINA
| | - Yufan Lu
- Northwest Agriculture and Forestry University School of Chemistry Yangling CHINA
| | - Wei Meng
- Northwest Agriculture and Forestry University School of Chemistry CHINA
| | - Hongling Wang
- Northwest Agriculture and Forestry University School of Chemistry Yangling CHINA
| | - Xiang Zhang
- Northwest A&F University: Northwest Agriculture and Forestry University College of Science 22 Xinong Road 712100 Yangling CHINA
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14
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Kreisel T, Mendel M, Queen AE, Deckers K, Hupperich D, Riegger J, Fricke C, Schoenebeck F. Modular Generation of (Iodinated) Polyarenes Using Triethylgermane as Orthogonal Masking Group. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tatjana Kreisel
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Marvin Mendel
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Adele E. Queen
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Kristina Deckers
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Daniel Hupperich
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Julian Riegger
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Christoph Fricke
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Franziska Schoenebeck
- Institute of Organic Chemistry RWTH Aachen University Landoltweg 1 52074 Aachen Germany
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15
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Paik A, Paul S, Bhowmik S, Das R, Naveen T, Rana S. Recent Advances in First Row Transition Metal Mediated C‐H Halogenation of (Hetero)arenes and Alkanes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Aniruddha Paik
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Sabarni Paul
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Sabyasachi Bhowmik
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Rahul Das
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Togati Naveen
- Sardar Vallabhbhai National Institute of Technology Department of Chemistry 395007 Surat INDIA
| | - Sujoy Rana
- University of North Bengal Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India, 734013 734013 Siliguri INDIA
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16
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Xu H, Hu L, Zhu G, Zhu Y, Wang Y, Wu ZG, Zi Y, Huang W. DABCO as a practical catalyst for aromatic halogenation with N-halosuccinimides. RSC Adv 2022; 12:7115-7119. [PMID: 35424677 PMCID: PMC8982236 DOI: 10.1039/d2ra00197g] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/23/2022] [Indexed: 11/21/2022] Open
Abstract
A simple and practical synthetic approach for synthesis of aromatic halides is developed. Simple Lewis base, DABCO, is used as the catalyst. This arene halogenation process proceedes conveniently and efficiently at ambient conditions, providing the desired products in good to excellent yields and selectivity.
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Affiliation(s)
- Haiyan Xu
- Nantong Normal College Nantong 226010 Jiangsu P. R. China
| | - Lanping Hu
- School of Chemistry and Chemical Engineering, Nantong University Nantong 226019 Jiangsu P. R. China
| | - Guanghua Zhu
- School of Chemistry and Chemical Engineering, Nantong University Nantong 226019 Jiangsu P. R. China
| | - Yueping Zhu
- Nantong Normal College Nantong 226010 Jiangsu P. R. China
| | - Yang Wang
- School of Chemistry and Chemical Engineering, Nantong University Nantong 226019 Jiangsu P. R. China
| | - Zheng-Guang Wu
- School of Chemistry and Chemical Engineering, Nantong University Nantong 226019 Jiangsu P. R. China
| | - You Zi
- School of Chemistry and Chemical Engineering, Nantong University Nantong 226019 Jiangsu P. R. China
| | - Weichun Huang
- School of Chemistry and Chemical Engineering, Nantong University Nantong 226019 Jiangsu P. R. China
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17
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Dodds AC, Sutherland A. Synthesis of phenoxathiins using an iron-catalysed C-H thioarylation. Org Biomol Chem 2022; 20:1738-1748. [PMID: 35142330 DOI: 10.1039/d2ob00022a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Phenoxathiins are an important class of sulfur-containing heterocycle, found as the core component in numerous pharmaceutically active agents and materials. Despite this importance, there are relatively few methods for the synthesis of these heterocycles that avoid complex starting materials, harsh conditions or precious transition metals. We report a two-step synthesis of phenoxathiins from phenols using iron and copper-mediated reactions. The first step involves the accelerated ortho-thioarylation of phenols using N-(2-bromophenylthio)succinimide, catalysed by the Lewis acid, iron(III) triflimide and the Lewis base, bis(4-methoxyphenyl)sulfane. In the second step, the thioarylated products were converted to a series of phenoxathiins using a copper-mediated, Ullmann-type, C-O bond forming cyclisation reaction. The synthetic utility of this two-step approach for the preparation of biologically relevant phenoxathiins was demonstrated using natural product-based phenols.
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Affiliation(s)
- Amy C Dodds
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
| | - Andrew Sutherland
- School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
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18
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Shukla PM, Bhattacharya A, Pratap A, Pradhan A, Sinha P, Soni T, Maji B. HFIP-promoted halo-carbocyclizations of N- and O-tethered arene–alkene substrates to access all halo (X = Br, I, Cl)-functionalized tetrahydroquinoline and chroman cores. Org Biomol Chem 2022; 20:8136-8144. [DOI: 10.1039/d2ob01597h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Herein, a HFIP-promoted mild and efficient method for the synthesis of all halo (X = Br, I, Cl)-functionalized tetrahydroquinoline and chroman building blocks is disclosed.
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Affiliation(s)
- Pushpendra Mani Shukla
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Aditya Bhattacharya
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Aniruddh Pratap
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Akash Pradhan
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Puspita Sinha
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Tanishk Soni
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
| | - Biswajit Maji
- Department of Chemistry, Indira Gandhi National Tribal University, Amarkantak-484886, Madhya Pradesh, India
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19
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Rahmatpour A, Zamani M. MBA-cross-linked poly(N-vinyl-2-pyrrolidone)/ferric chloride macromolecular coordination complex as a novel and recyclable Lewis acid catalyst: Synthesis, characterization, and performance toward for regioselective ring-opening alcoholysis of epoxides. REACT FUNCT POLYM 2021. [DOI: 10.1016/j.reactfunctpolym.2021.105032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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20
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Maity P, Sarkar P, Mukhopadhyay C. Generation of I-, ArS- and ArSe- substituted pyrrolo[3,4–c]pyridine derivatives using copper iodide as an iodinating agent. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153479] [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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21
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Wang W, Li X, Yang X, Ai L, Gong Z, Jiao N, Song S. Oxoammonium salts are catalysing efficient and selective halogenation of olefins, alkynes and aromatics. Nat Commun 2021; 12:3873. [PMID: 34162859 PMCID: PMC8222362 DOI: 10.1038/s41467-021-24174-w] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/01/2021] [Indexed: 12/19/2022] Open
Abstract
Electrophilic halogenation reactions have been a reliable approach to accessing organohalides. During the past decades, various catalytic systems have been developed for the activation of haleniums. However, there is still a short of effective catalysts, which could cover various halogenation reactions and broad scope of unsaturated compounds. Herein, TEMPO (2,2,6,6-tetramethylpiperidine nitroxide) and its derivatives are disclosed as active catalysts for electrophilic halogenation of olefins, alkynes, and aromatics. These catalysts are stable, readily available, and reactive enough to activate haleniums including Br+, I+ and even Cl+ reagents. This catalytic system is applicable to various halogenations including haloarylation of olefins or dibromination of alkynes, which were rarely realized in previous Lewis base catalysis or Lewis acid catalysis. The high catalytic ability is attributed to a synergistic activation model of electrophilic halogenating reagents, where the carbonyl group and the halogen atom are both activated by present TEMPO catalysis. Organohalides are widely used as synthetic precursors and target products, but for various halogenation reactions there is a need for effective catalysts to activate commercially available haleniums. Here, the authors report that TEMPO and its derivatives are active catalysts for electrophilic halogenation of olefins, alkynes and aromatics, under mild reaction conditions and with good functional group tolerance.
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Affiliation(s)
- Weijin Wang
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China
| | - Xinyao Li
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China
| | - Xiaoxue Yang
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China
| | - Lingsheng Ai
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China
| | - Zhiwen Gong
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China.,State Key Laboratory of Organometallic Chemistry, Chinese Academy of Sciences, Shanghai, China
| | - Song Song
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, China.
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22
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Sulfated polyborate-H2O assisted tunable activation of N-iodosuccinimide for expeditious mono and diiodination of arenes. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153154] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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23
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Dodds AC, Sutherland A. Regioselective C-H Thioarylation of Electron-Rich Arenes by Iron(III) Triflimide Catalysis. J Org Chem 2021; 86:5922-5932. [PMID: 33783222 DOI: 10.1021/acs.joc.1c00448] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A mild and regioselective method for the preparation of unsymmetrical biaryl sulfides using iron(III) catalysis is described. Activation of N-(arylthio)succinimides using the powerful Lewis acid iron(III) triflimide allowed the efficient thiolation of a range of arenes, including anisoles, phenols, acetanilides, and N-heterocycles. The method was applicable for the late-stage thiolation of tyrosine and tryptophan derivatives and was used as the key step for the synthesis of pharmaceutically relevant biaryl sulfur-containing compounds such as the antibiotic dapsone and the antidepressant vortioxetine. Kinetic studies revealed that while N-(arylthio)succinimides bearing electron-deficient arenes underwent thioarylation catalyzed entirely by iron(III) triflimide, N-(arylthio)succinimides with electron-rich arenes displayed an autocatalytic mechanism promoted by the Lewis basic product.
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Affiliation(s)
- Amy C Dodds
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
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24
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Qu Z, Zhu H, Grimme S. Mechanistic Insights for Aniline‐Catalyzed Halogenation Reactions. ChemCatChem 2020. [DOI: 10.1002/cctc.202000981] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Zheng‐Wang Qu
- Mulliken Center for Theoretical Chemistry University of Bonn Beringstr. 4 53115 Bonn Germany
| | - Hui Zhu
- Mulliken Center for Theoretical Chemistry University of Bonn Beringstr. 4 53115 Bonn Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry University of Bonn Beringstr. 4 53115 Bonn Germany
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25
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Mamontov A, Martin-Mingot A, Métayer B, Karam O, Zunino F, Bouazza F, Thibaudeau S. Complementary Site-Selective Halogenation of Nitrogen-Containing (Hetero)Aromatics with Superacids. Chemistry 2020; 26:10411-10416. [PMID: 32212405 DOI: 10.1002/chem.202000902] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Indexed: 12/11/2022]
Abstract
Site-selective functionalization of arenes that is complementary to classical aromatic substitution reactions remains a long-standing quest in organic synthesis. Exploiting the generation of halenium ion through oxidative process and the protonation of the nitrogen containing function in HF/SbF5 , the chlorination and iodination of classically inert Csp2 -H bonds of aromatic amines occurs. Furthermore, the superacid-promoted (poly)protonation of the molecules acts as a protection, favoring the late-stage selective halogenation of natural alkaloids and active pharmaceutical ingredients.
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Affiliation(s)
- Alexander Mamontov
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Group - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073, Poitiers Cedex 9, France.,@rtMolecule, 1 rue Georges Bonnet, Bâtiment B37, 86000, Poitiers, France
| | - Agnès Martin-Mingot
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Group - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073, Poitiers Cedex 9, France
| | - Benoit Métayer
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Group - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073, Poitiers Cedex 9, France.,@rtMolecule, 1 rue Georges Bonnet, Bâtiment B37, 86000, Poitiers, France
| | - Omar Karam
- @rtMolecule, 1 rue Georges Bonnet, Bâtiment B37, 86000, Poitiers, France
| | - Fabien Zunino
- @rtMolecule, 1 rue Georges Bonnet, Bâtiment B37, 86000, Poitiers, France
| | - Fodil Bouazza
- @rtMolecule, 1 rue Georges Bonnet, Bâtiment B37, 86000, Poitiers, France
| | - Sébastien Thibaudeau
- Université de Poitiers, UMR-CNRS 7285, IC2MP, Superacid Group - Organic Synthesis Team, 4 rue Michel Brunet, TSA 51106, 86073, Poitiers Cedex 9, France
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26
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Payard P, Zheng Y, Zhou W, Khrouz L, Bonneviot L, Wischert R, Grimaud L, Pera‐Titus M. Iron Triflate Salts as Highly Active Catalysts for the Solvent‐Free Oxidation of Cyclohexane. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000263] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Pierre‐Adrien Payard
- Eco‐Efficient Products and Processes Laboratory (E2P2L) UMI 3464 CNRS Solvay 3966 Jin Du Road, Xin Zhuang Ind Zone 201108 Shanghai China
- Laboratoire des Biomolécules LBM PSL University, Sorbonne Université 24 rue Lhomond 75005 Paris France
| | - Yu‐Ting Zheng
- Eco‐Efficient Products and Processes Laboratory (E2P2L) UMI 3464 CNRS Solvay 3966 Jin Du Road, Xin Zhuang Ind Zone 201108 Shanghai China
| | - Wen‐Juan Zhou
- Eco‐Efficient Products and Processes Laboratory (E2P2L) UMI 3464 CNRS Solvay 3966 Jin Du Road, Xin Zhuang Ind Zone 201108 Shanghai China
| | - Lhoussain Khrouz
- Université Claude Bernard Lyon 1, Laboratoire de Chimie LBM Univ Lyon, ENS de Lyon, CNRS UMR 5182 46 Allée d'Italie 69342 Lyon France
| | - Laurent Bonneviot
- Université Claude Bernard Lyon 1, Laboratoire de Chimie LBM Univ Lyon, ENS de Lyon, CNRS UMR 5182 46 Allée d'Italie 69342 Lyon France
| | - Raphael Wischert
- Eco‐Efficient Products and Processes Laboratory (E2P2L) UMI 3464 CNRS Solvay 3966 Jin Du Road, Xin Zhuang Ind Zone 201108 Shanghai China
| | - Laurence Grimaud
- Laboratoire des Biomolécules LBM PSL University, Sorbonne Université 24 rue Lhomond 75005 Paris France
| | - Marc Pera‐Titus
- Eco‐Efficient Products and Processes Laboratory (E2P2L) UMI 3464 CNRS Solvay 3966 Jin Du Road, Xin Zhuang Ind Zone 201108 Shanghai China
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27
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Henry MC, Sutherland A. Synthesis of Benzo[ b]furans by Intramolecular C-O Bond Formation Using Iron and Copper Catalysis. Org Lett 2020; 22:2766-2770. [PMID: 32186389 PMCID: PMC7146889 DOI: 10.1021/acs.orglett.0c00754] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Indexed: 01/08/2023]
Abstract
One-pot processes for the synthesis of benzo[b]furans from 1-aryl- or 1-alkylketones using nonprecious transition metal catalysts have been developed. Regioselective iron(III)-catalyzed halogenation of the aryl ring, followed by iron- or copper-catalyzed O-arylation allowed the synthesis of various structural analogues, including the benzo[b]furan-derived natural products corsifuran C, moracin F, and caleprunin B.
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Affiliation(s)
- Martyn C. Henry
- WestCHEM, School of Chemistry, The Joseph
Black Building, University of Glasgow, University Avenue, Glasgow G12 8QQ, United Kingdom
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, The Joseph
Black Building, University of Glasgow, University Avenue, Glasgow G12 8QQ, United Kingdom
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28
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Henry MC, Abbinante VM, Sutherland A. Iron-Catalyzed Regioselective Synthesis of 2-Arylbenzoxazoles and 2-Arylbenzothiazoles via Alternative Reaction Pathways. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000014] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Martyn C. Henry
- WestCHEM, School of Chemistry; The Joseph Black Building; University of Glasgow; G12 8QQ Glasgow United Kingdom
| | - Vincenzo Mirco Abbinante
- WestCHEM, School of Chemistry; The Joseph Black Building; University of Glasgow; G12 8QQ Glasgow United Kingdom
| | - Andrew Sutherland
- WestCHEM, School of Chemistry; The Joseph Black Building; University of Glasgow; G12 8QQ Glasgow United Kingdom
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29
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Nishii Y, Ikeda M, Hayashi Y, Kawauchi S, Miura M. Triptycenyl Sulfide: A Practical and Active Catalyst for Electrophilic Aromatic Halogenation Using N-Halosuccinimides. J Am Chem Soc 2020; 142:1621-1629. [PMID: 31868360 DOI: 10.1021/jacs.9b12672] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A Lewis base catalyst Trip-SMe (Trip = triptycenyl) for electrophilic aromatic halogenation using N-halosuccinimides (NXS) is introduced. In the presence of an appropriate activator (as a noncoordinating-anion source), a series of unactivated aromatic compounds were halogenated at ambient temperature using NXS. This catalytic system was applicable to transformations that are currently unachievable except for the use of Br2 or Cl2: e.g., multihalogenation of naphthalene, regioselective bromination of BINOL, etc. Controlled experiments revealed that the triptycenyl substituent exerts a crucial role for the catalytic activity, and kinetic experiments implied the occurrence of a sulfonium salt [Trip-S(Me)Br][SbF6] as an active species. Compared to simple dialkyl sulfides, Trip-SMe exhibited a significant charge-separated ion pair character within the halonium complex whose structural information was obtained by the single-crystal X-ray analysis. A preliminary computational study disclosed that the π system of the triptycenyl functionality is a key motif to consolidate the enhancement of electrophilicity.
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Affiliation(s)
- Yuji Nishii
- Frontier Research Base for Global Young Researchers, Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan
| | - Mitsuhiro Ikeda
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan
| | - Yoshihiro Hayashi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , 2-12-1-E4-6 Ookayama , Meguro-ku , Tokyo 152-8552 , Japan
| | - Susumu Kawauchi
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology , Tokyo Institute of Technology , 2-12-1-E4-6 Ookayama , Meguro-ku , Tokyo 152-8552 , Japan
| | - Masahiro Miura
- Department of Applied Chemistry, Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan
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30
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Khan I, Zaib S, Ibrar A. New frontiers in the transition-metal-free synthesis of heterocycles from alkynoates: an overview and current status. Org Chem Front 2020. [DOI: 10.1039/d0qo00698j] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review highlights the successful utilization of transition-metal-free approaches for the modular assembly of various heterocycles from alkynoates.
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Affiliation(s)
- Imtiaz Khan
- Department of Chemistry
- School of Natural Sciences
- The University of Manchester
- Manchester M13 9PL
- UK
| | - Sumera Zaib
- Department of Biochemistry
- Faculty of Life Sciences
- University of Central Punjab
- Lahore-54590
- Pakistan
| | - Aliya Ibrar
- Department of Chemistry
- Faculty of Natural Sciences
- The University of Haripur
- Haripur, KPK-22620
- Pakistan
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31
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Henry MC, McGrory R, Faggyas RJ, Mostafa MAB, Sutherland A. One-pot ortho-amination of aryl C-H bonds using consecutive iron and copper catalysis. Org Biomol Chem 2019; 17:4629-4639. [PMID: 31020305 DOI: 10.1039/c9ob00712a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A one-pot approach for ortho-coupling of arenes with non-actived N-nucleophiles has been developed using sequential iron and copper catalysis. Regioselective ortho-activation of anisoles, anilines and phenols was achieved through iron(iii) triflimide catalysed iodination, followed by a copper(i)-catalysed, ligand-assisted coupling reaction with N-heterocycle, amide and sulfonamide-based nucleophiles. The synthetic utility of this one-pot, two-step method for the direct amination of ortho-aryl C-H bonds was demonstrated with the late-stage functionalisation of 3,4-dihydroquinolin-2-ones. This allowed the preparation of a TRIM24 bromodomain inhibitor and a series of novel analogues.
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Affiliation(s)
- Martyn C Henry
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, UK.
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32
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Bell JD, Morgan TEF, Buijs N, Harkiss AH, Wellaway CR, Sutherland A. Synthesis and Photophysical Properties of Benzotriazole-Derived Unnatural α-Amino Acids. J Org Chem 2019; 84:10436-10448. [DOI: 10.1021/acs.joc.9b01685] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jonathan D. Bell
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Timaeus E. F. Morgan
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Ned Buijs
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Alexander H. Harkiss
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Christopher R. Wellaway
- Medicinal Chemistry, GlaxoSmithKline Medicines Research Centre, Gunnels Wood Road, Stevenage SG1 2NY, U.K
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, U.K
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33
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Ma X, Yu J, Jiang M, Wang M, Tang L, Wei M, Zhou Q. Mild and Regioselective Bromination of Phenols with TMSBr. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900794] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xiantao Ma
- College of Chemistry and Chemical Engineering; Xinyang Normal University; 464000 Xinyang Henan China
| | - Jing Yu
- College of Chemistry and Chemical Engineering; Xinyang Normal University; 464000 Xinyang Henan China
| | - Mengyuan Jiang
- College of Chemistry and Chemical Engineering; Xinyang Normal University; 464000 Xinyang Henan China
| | - Mengyu Wang
- College of Chemistry and Chemical Engineering; Xinyang Normal University; 464000 Xinyang Henan China
| | - Lin Tang
- College of Chemistry and Chemical Engineering; Xinyang Normal University; 464000 Xinyang Henan China
| | - Mengmeng Wei
- College of Chemistry and Chemical Engineering; Xinyang Normal University; 464000 Xinyang Henan China
| | - Qiuju Zhou
- College of Chemistry and Chemical Engineering; Xinyang Normal University; 464000 Xinyang Henan China
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34
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Iida K, Ishida S, Watanabe T, Arai T. Disulfide-Catalyzed Iodination of Electron-Rich Aromatic Compounds. J Org Chem 2019; 84:7411-7417. [DOI: 10.1021/acs.joc.9b00769] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Keisuke Iida
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), and Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Shunsuke Ishida
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), and Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
| | - Takamichi Watanabe
- Nippoh Chemicals Co., Ltd. Neo Kawai Building, 8-15,4-Chome, Nihonbashi-Honchou,
Chuo-Ku, Tokyo 103-0023, Japan
| | - Takayoshi Arai
- Soft Molecular Activation Research Center (SMARC), Chiba Iodine Resource Innovation Center (CIRIC), Molecular Chirality Research Center (MCRC), and Department of Chemistry, Graduate School of Science, Chiba University, 1-33 Yayoi, Inage, Chiba 263-8522, Japan
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35
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Satkar Y, Yera-Ledesma LF, Mali N, Patil D, Navarro-Santos P, Segura-Quezada LA, Ramírez-Morales PI, Solorio-Alvarado CR. Iodine(III)-Mediated, Controlled Di- or Monoiodination of Phenols. J Org Chem 2019; 84:4149-4164. [PMID: 30888169 DOI: 10.1021/acs.joc.9b00161] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
An oxidative procedure for the electrophilic iodination of phenols was developed by using iodosylbenzene as a nontoxic iodine(III)-based oxidant and ammonium iodide as a cheap iodine atom source. A totally controlled monoiodination was achieved by buffering the reaction medium with K3PO4. This protocol proceeds with short reaction times, at mild temperatures, in an open flask, and generally with high yields. Gram-scale reactions, as well as the scope of this protocol, were explored with electron-rich and electron-poor phenols as well as heterocycles. Quantum chemistry calculations revealed PhII(OH)·NH3 to be the most plausible iodinating active species as a reactive "I+" synthon. In light of the relevance of the iodoarene moiety, we present herein a practical, efficient, and simple procedure with a broad functional group scope that allows access to the iodoarene core unit.
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Affiliation(s)
- Yuvraj Satkar
- Universidad de Guanajuato , Campus Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Química , Noria Alta S/N , 36050 , Guanajuato , Guanajuato , México
| | - Luisa F Yera-Ledesma
- Universidad de Guanajuato , Campus Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Química , Noria Alta S/N , 36050 , Guanajuato , Guanajuato , México
| | - Narendra Mali
- Universidad de Guanajuato , Campus Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Química , Noria Alta S/N , 36050 , Guanajuato , Guanajuato , México
| | - Dipak Patil
- Universidad de Guanajuato , Campus Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Química , Noria Alta S/N , 36050 , Guanajuato , Guanajuato , México
| | - Pedro Navarro-Santos
- Universidad Michoacana de San Nicolás de Hidalgo , Instituto de Ciencias Químico Biológicas , Av. Universidad S/N , 58000 , Morelia , Michoacán , México
| | - Luis A Segura-Quezada
- Universidad de Guanajuato , Campus Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Química , Noria Alta S/N , 36050 , Guanajuato , Guanajuato , México
| | - Perla I Ramírez-Morales
- Universidad de Guanajuato , Campus Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Química , Noria Alta S/N , 36050 , Guanajuato , Guanajuato , México
| | - César R Solorio-Alvarado
- Universidad de Guanajuato , Campus Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Química , Noria Alta S/N , 36050 , Guanajuato , Guanajuato , México
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36
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Yang X, Tsui GC. Trifluoromethylation of Unactivated Alkenes with Me3SiCF3 and N-Iodosuccinimide. Org Lett 2019; 21:1521-1525. [DOI: 10.1021/acs.orglett.9b00332] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xinkan Yang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR
| | - Gavin Chit Tsui
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR
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37
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Zhou Y, Chen X, Yin D, Ling Y, Wang S, Zhang X, Rao W. Gold-Catalyzed Cycloisomerization-Halogenation Sequence of 1,3-Enyne Esters with NXS: Efficient Synthesis of 5-Bromo/Iodo Cyclopentenones. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801530] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Yuanyuan Zhou
- Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; 210037 Nanjing P. R. China
| | - Xianxiao Chen
- Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; 210037 Nanjing P. R. China
| | - Dongliang Yin
- Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; 210037 Nanjing P. R. China
| | - Yuan Ling
- Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; 210037 Nanjing P. R. China
| | - Shifa Wang
- Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; 210037 Nanjing P. R. China
| | - Xiaoxiang Zhang
- Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; 210037 Nanjing P. R. China
| | - Weidong Rao
- Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals; College of Chemical Engineering; Nanjing Forestry University; 210037 Nanjing P. R. China
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38
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Gayakwad EM, Patel KP, Shankarling GS. Sodium sulfate–hydrogen peroxide–sodium chloride adduct: selective protocol for the oxidative bromination, iodination and temperature dependent oxidation of sulfides to sulfoxides and sulfones. NEW J CHEM 2019. [DOI: 10.1039/c8nj06038j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Sodium sulfate–hydrogen peroxide–sodium chloride adduct: selective protocols for anilines and sulfides oxidation.
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Affiliation(s)
- Eknath M. Gayakwad
- Institute of Chemical Technology
- Department of Dyestuff Technology
- Mumbai
- India
| | - Khushbu P. Patel
- Institute of Chemical Technology
- Department of Dyestuff Technology
- Mumbai
- India
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39
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Henry MC, Senn HM, Sutherland A. Synthesis of Functionalized Indolines and Dihydrobenzofurans by Iron and Copper Catalyzed Aryl C-N and C-O Bond Formation. J Org Chem 2018; 84:346-364. [PMID: 30520304 DOI: 10.1021/acs.joc.8b02888] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A simple and effective one-pot, two-step intramolecular aryl C-N and C-O bond forming process for the preparation of a wide range of benzo-fused heterocyclic scaffolds using iron and copper catalysis is described. Activated aryl rings were subjected to a highly regioselective, iron(III) triflimide-catalyzed iodination, followed by a copper(I)-catalyzed intramolecular N- or O-arylation step leading to indolines, dihydrobenzofurans, and six-membered analogues. The general applicability and functional group tolerance of this method were exemplified by the total synthesis of the neolignan natural product, (+)-obtusafuran. DFT calculations using Fukui functions were also performed, providing a molecular orbital rationale for the highly regioselective arene iodination process.
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Affiliation(s)
- Martyn C Henry
- WestCHEM, School of Chemistry, The Joseph Black Building , University of Glasgow , Glasgow G12 8QQ , United Kingdom
| | - Hans Martin Senn
- WestCHEM, School of Chemistry, The Joseph Black Building , University of Glasgow , Glasgow G12 8QQ , United Kingdom
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, The Joseph Black Building , University of Glasgow , Glasgow G12 8QQ , United Kingdom
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40
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Faggyas RJ, Grace M, Williams L, Sutherland A. Multibond Forming Tandem Reactions of Anilines via Stable Aryl Diazonium Salts: One-Pot Synthesis of 3,4-Dihydroquinolin-2-ones. J Org Chem 2018; 83:12595-12608. [DOI: 10.1021/acs.joc.8b01910] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Réka J. Faggyas
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Megan Grace
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Lewis Williams
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, The Joseph Black Building, University of Glasgow, Glasgow G12 8QQ, United Kingdom
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41
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Ji P, Drake T, Murakami A, Oliveres P, Skone JH, Lin W. Tuning Lewis Acidity of Metal–Organic Frameworks via Perfluorination of Bridging Ligands: Spectroscopic, Theoretical, and Catalytic Studies. J Am Chem Soc 2018; 140:10553-10561. [DOI: 10.1021/jacs.8b05765] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Pengfei Ji
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Tasha Drake
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Akiko Murakami
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Pau Oliveres
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Jonathan H. Skone
- Research Computing Center, The University of Chicago, 5607 South Drexel Avenue, Chicago, Illinois 60637, United States
| | - Wenbin Lin
- Department of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
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42
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Mendes JA, Salustiano EJ, Pires CDS, Oliveira T, Barcellos JCF, Cifuentes JMC, Costa PRR, Rennó MN, Buarque CD. 11a-N-tosyl-5-carbapterocarpans: Synthesis, antineoplastic evaluation and in silico prediction of ADMETox properties. Bioorg Chem 2018; 80:585-590. [PMID: 30036814 DOI: 10.1016/j.bioorg.2018.07.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Revised: 06/28/2018] [Accepted: 07/01/2018] [Indexed: 11/19/2022]
Abstract
11a-N-tosyl-5-carbapterocarpans (5a-c and 6a-c), 9-N-tosyl-4,4a,9,9a-tetrahydro-3H-carbazole (7), 11a-N-tosyl-5-carbapterocarpen (8) analogues of LQB-223 (4a), were synthesized through palladium catalyzed azaarylation of substituted dihydronaphtalenes (14a-c) and cyclohexadiene (15), respectively, with N-tosyl-o-iodoaniline (11). In order to understand the role of the N-tosyl moiety for the pharmacological activity, the azacarbapterocarpen (9) was also synthesized by Fischer indol reaction. The structural requirements at the A and D-rings for the antineoplastic activity toward human leukemias and breast cancer cells were evaluated as well. Substitutions on the A-ring of 4a and analogues alter the effect on different breast cancer subtypes. On the other hand, A-ring is not essential for antileukemic activity since compound 7, which does not contain the A-ring, showed efficacy with high selectivity indices for drug-resistant leukemias. On the other hand, substitutions on the D-ring of 4a for fluorine or iodine did not improve the antileukemic activity. In silico studies concerning Lipinskís rule of five, ADMET properties and drug scores of those compounds were performed, indicating good physicochemical properties for all compounds, in special for compound 7.
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Affiliation(s)
- Joseane A Mendes
- Departamento de Química, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente, 225, Gávea, Rio de Janeiro, RJ 22435-900, Brazil
| | - Eduardo J Salustiano
- Laboratório de Imunologia Tumoral, Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Bloco H sala 003, Universidade Federal do Rio de Janeiro, RJ 21941-590, Brazil; Laboratório de Glicobiologia, Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências da Saúde, Bloco C sala C1-042, Universidade Federal do Rio de Janeiro, RJ 21941-590, Brazil
| | - Carulini de S Pires
- Laboratório de Modelagem Molecular e Pesquisa em Ciências Farmacêuticas, Núcleo em Ecologia e Desenvolvimento Sócio-Ambiental de Macaé, Universidade Federal do Rio de Janeiro Campus Macaé Professor Aloísio Teixeira, Macaé, RJ 27965-045, Brazil
| | - Thaís Oliveira
- Laboratório de Bioquímica e Biologia Molecular do Câncer, Instituto de Bioquímica Médica Leopoldo de Meis, Centro de Ciências da Saúde, Bloco C sala E1-022, Universidade Federal do Rio de Janeiro, RJ 21941-590, Brazil
| | - Julio C F Barcellos
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais, Centro de Ciências da Saúde, Bloco H, Universidade Federal do Rio de Janeiro, RJ 21941-590, Brazil
| | - Jhonny M C Cifuentes
- Departamento de Química, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente, 225, Gávea, Rio de Janeiro, RJ 22435-900, Brazil
| | - Paulo R R Costa
- Laboratório de Química Bioorgânica, Instituto de Pesquisas de Produtos Naturais, Centro de Ciências da Saúde, Bloco H, Universidade Federal do Rio de Janeiro, RJ 21941-590, Brazil
| | - Magdalena N Rennó
- Laboratório de Modelagem Molecular e Pesquisa em Ciências Farmacêuticas, Núcleo em Ecologia e Desenvolvimento Sócio-Ambiental de Macaé, Universidade Federal do Rio de Janeiro Campus Macaé Professor Aloísio Teixeira, Macaé, RJ 27965-045, Brazil.
| | - Camilla D Buarque
- Departamento de Química, Pontifícia Universidade Católica do Rio de Janeiro, Rua Marquês de São Vicente, 225, Gávea, Rio de Janeiro, RJ 22435-900, Brazil.
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43
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Das R, Kapur M. Transition-Metal-Catalyzed Site-Selective C−H Halogenation Reactions. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800142] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Riki Das
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal; Bhopal Bypass Road Bhauri, Bhopal 462066 MP India
| | - Manmohan Kapur
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal; Bhopal Bypass Road Bhauri, Bhopal 462066 MP India
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44
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Yao H, Liu Y, Tyagarajan S, Streckfuss E, Reibarkh M, Chen K, Zamora I, Fontaine F, Goracci L, Helmy R, Bateman KP, Krska SW. Enabling Efficient Late-Stage Functionalization of Drug-Like Molecules with LC-MS and Reaction-Driven Data Processing. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701573] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Huifang Yao
- Department of Pharmacokinetics; Pharmacodynamics and Drug Metabolism; Merck Sharp & Dohme Corp.; Kenilworth NJ USA
| | - Yong Liu
- Department of Process Research & Development; Merck Sharp & Dohme Corp.; Rahway NJ USA
| | - Sriram Tyagarajan
- HTE & Lead Discovery Capabilities; Merck Sharp & Dohme Corp.; Kenilworth NJ USA
| | - Eric Streckfuss
- HTE & Lead Discovery Capabilities; Merck Sharp & Dohme Corp.; Kenilworth NJ USA
| | - Mikhail Reibarkh
- Department of Process Research & Development; Merck Sharp & Dohme Corp.; Rahway NJ USA
| | - Kuanchang Chen
- HTE & Lead Discovery Capabilities; Merck Sharp & Dohme Corp.; Kenilworth NJ USA
| | - Ismael Zamora
- Lead Molecular Design, S.L.; Sant Cugat Del Valles Spain
| | | | - Laura Goracci
- Department of Chemistry, Biology and Biotechnology; University of Perugia; Perugia Italy
| | - Roy Helmy
- Department of Process Research & Development; Merck Sharp & Dohme Corp.; Rahway NJ USA
| | - Kevin P. Bateman
- Department of Pharmacokinetics; Pharmacodynamics and Drug Metabolism; Merck Sharp & Dohme Corp.; Kenilworth NJ USA
| | - Shane W. Krska
- HTE & Lead Discovery Capabilities; Merck Sharp & Dohme Corp.; Kenilworth NJ USA
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45
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Zhang J, Li S, Deng GJ, Gong H. Metal-Free, Oxidant-Free, and Controllable Graphene Oxide Catalyzed Direct Iodination of Arenes and Ketones. ChemCatChem 2017. [DOI: 10.1002/cctc.201701182] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jingyu Zhang
- The Key Laboratory of Environmentally Friendly Chemistry, and Application of the Ministry of Education; College of Chemistry; Xiangtan University; Xiangtan 411105 P.R. China
| | - Shiguang Li
- The Key Laboratory of Environmentally Friendly Chemistry, and Application of the Ministry of Education; College of Chemistry; Xiangtan University; Xiangtan 411105 P.R. China
| | - Guo-Jun Deng
- The Key Laboratory of Environmentally Friendly Chemistry, and Application of the Ministry of Education; College of Chemistry; Xiangtan University; Xiangtan 411105 P.R. China
| | - Hang Gong
- The Key Laboratory of Environmentally Friendly Chemistry, and Application of the Ministry of Education; College of Chemistry; Xiangtan University; Xiangtan 411105 P.R. China
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46
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Verma K, Banerjee P. Lewis Acid Catalyzed Formal [3+2] Cycloaddition of Donor-Acceptor Cyclopropanes and 1-Azadienes: Synthesis of Imine Functionalized Cyclopentanes and Pyrrolidine Derivatives. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700744] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kamal Verma
- Department of Chemistry; Indian Institute of Technology Ropar; Nangal Road Ropar, Punjab India Pin 140001
| | - Prabal Banerjee
- Department of Chemistry; Indian Institute of Technology Ropar; Nangal Road Ropar, Punjab India Pin 140001
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47
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Patil AM, Kamble DA, Lokhande PD. A Metal-Free Iodination of Aryl Ethers and Phenols Using I2. ChemistrySelect 2017. [DOI: 10.1002/slct.201701645] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Avinash M. Patil
- Center for Advance Studies; Department of Chemistry; Savitribai Phule Pune University (Formerly University of Pune); Pune-411007 India
| | - Dayanand A. Kamble
- Center for Advance Studies; Department of Chemistry; Savitribai Phule Pune University (Formerly University of Pune); Pune-411007 India
| | - Pradeep D. Lokhande
- Center for Advance Studies; Department of Chemistry; Savitribai Phule Pune University (Formerly University of Pune); Pune-411007 India
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48
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Mostafa MAB, Bowley RM, Racys DT, Henry MC, Sutherland A. Iron(III)-Catalyzed Chlorination of Activated Arenes. J Org Chem 2017; 82:7529-7537. [PMID: 28661157 DOI: 10.1021/acs.joc.7b01225] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A general and regioselective method for the chlorination of activated arenes has been developed. The transformation uses iron(III) triflimide as a powerful Lewis acid for the activation of N-chlorosuccinimide and the subsequent chlorination of a wide range of anisole, aniline, acetanilide, and phenol derivatives. The reaction was utilized for the late-stage mono- and dichlorination of a range of target compounds such as the natural product nitrofungin, the antibacterial agent chloroxylenol, and the herbicide chloroxynil. The facile nature of this transformation was demonstrated with the development of one-pot, tandem, iron-catalyzed dihalogenation processes allowing highly regioselective formation of different carbon-halogen bonds. The synthetic utility of the resulting dihalogenated aryl compounds as building blocks was established with the synthesis of natural products and pharmaceutically relevant targets.
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Affiliation(s)
- Mohamed A B Mostafa
- WestCHEM, School of Chemistry, University of Glasgow , The Joseph Black Building, Glasgow G12 8QQ, United Kingdom
| | - Rosalind M Bowley
- WestCHEM, School of Chemistry, University of Glasgow , The Joseph Black Building, Glasgow G12 8QQ, United Kingdom
| | - Daugirdas T Racys
- WestCHEM, School of Chemistry, University of Glasgow , The Joseph Black Building, Glasgow G12 8QQ, United Kingdom
| | - Martyn C Henry
- WestCHEM, School of Chemistry, University of Glasgow , The Joseph Black Building, Glasgow G12 8QQ, United Kingdom
| | - Andrew Sutherland
- WestCHEM, School of Chemistry, University of Glasgow , The Joseph Black Building, Glasgow G12 8QQ, United Kingdom
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49
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Bergström M, Suresh G, Naidu VR, Unelius CR. N
-Iodosuccinimide (NIS) in Direct Aromatic Iodination. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700173] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Maria Bergström
- Department of Chemistry and Biomedical Sciences; Linnaeus University; 39182 Kalmar Sweden
| | - Ganji Suresh
- Department of Chemistry and Biomedical Sciences; Linnaeus University; 39182 Kalmar Sweden
| | - Veluru Ramesh Naidu
- Department of Chemistry and Biomedical Sciences; Linnaeus University; 39182 Kalmar Sweden
| | - C. Rikard Unelius
- Department of Chemistry and Biomedical Sciences; Linnaeus University; 39182 Kalmar Sweden
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50
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Iskra J, Murphree SS. Rapid aerobic iodination of arenes mediated by hypervalent iodine in fluorinated solvents. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.01.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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