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Tanemura K. Halogenation of aromatic compounds with N-halosuccinimides (NXS) catalysed by D-camphorsulfonic acid-BiCl 3. Org Biomol Chem 2024; 22:5105-5111. [PMID: 38864412 DOI: 10.1039/d4ob00837e] [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
Aromatic bromination catalysed by 0.5-10 mol% of D-camphorsulfonic acid-BiCl3 with N-bromosuccinimides (NBS) was carried out in MeCN under air conditions, and the procedure was extended to the reactions with N-chlorosuccinimides (NCS) and N-iodosuccinimides (NIS). The halogenation of some drugs and natural products was also attempted. One-pot bromination/Suzuki-Miyaura cross-coupling and bromination/Sonogashira coupling reactions were achieved without the removal of the solvent.
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Affiliation(s)
- Kiyoshi Tanemura
- Chemical Laboratory, School of Life Dentistry at Niigata, Nippon Dental University, Hamaura-cho, Niigata 951-8580, Japan.
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Reactivity of substrates with multiple competitive reactive sites toward NBS under neat reaction conditions promoted by visible light. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01711-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
AbstractRegioselectivity of visible-light-induced transformations of a range of (hetero)aryl alkyl-substituted ketones bearing several competitive reactive sites (α-carbonyl, benzyl and aromatic ring) with N-bromosuccinimide (NBS) was studied under solvent-free reaction conditions (SFRC) and in the absence of inert-gas atmosphere, radical initiators and catalysts. An 8-W energy-saving household lamp was used for irradiation. Heterogeneous reaction conditions were dealt with throughout the study. All substrates were mono- or dibrominated at the α-carbonyl position, and additionally, some benzylic or aromatic bromination was observed in substrates with benzylic carbon atoms or electron-donating methoxy groups, respectively. Surprisingly, ipso-substitution of the acyl group with a bromine atom took place with (4-methoxynaphthyl) alkyl ketones. While the addition of the radical scavenger TEMPO (2,2,6,6-tetramethylpiperidin-1-yloxy) decreased the extent of α- and ring bromination, it completely suppressed the benzylic bromination and α,α-dibromination with NBS under SFRC.
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Abstract
Most of the synthetic chemical transformation reactions involve the use of different organic solvents. Unfortunately, some of these toxic solvents are used in chemical laboratory, industry and have been considered a very serious problem for the health, safety of workers and environmental damage through pollution. The purpose of green chemistry is to provide a path that reduces or eliminates the use of such hazardous toxic solvents. Therefore, the key factor of the green synthetic approach is to utilize renewable materials, nontoxic chemical and to perform the reactions under solvent-free conditions. In this review, we have discussed most recent literature survey on applications of solvent-free techniques in organic synthesis which would offer a new opportunity to a researcher to overcome the problem of using environmental harmful solvents.
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Affiliation(s)
- Sainath Zangade
- Department of Chemistry Madhavrao Patil ACS College Palam Dist. Parbhani-431720 (M S), India
| | - Pravinkumar Patil
- Research Laboratory in Organic Synthesis, Department of Chemistry, N.E.S. Science College, Nanded-431605(M S), India
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Ospina F, Ramirez A, Cano M, Hidalgo W, Schneider B, Otálvaro F. Synthesis of Positional Isomeric Phenylphenalenones. J Org Chem 2017; 82:3873-3879. [PMID: 28345339 DOI: 10.1021/acs.joc.6b02985] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A series of isomeric phenylphenalenones in which the phenyl ring is located at all possible peripheral positions of the phenalenone nuclei was synthesized. The structural characteristics of the series, in which topological variation is permitted with minimal electronic disturbance, could, in principle, allow for easy pharmacophore recognition when the compounds are aligned in steroidomimetic conformations.
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Affiliation(s)
- Felipe Ospina
- Instituto de Química, Síntesis y Biosíntesis de Metabolitos Naturales, Universidad de Antioquia , AA 1226 Medellín, Colombia
| | - Adrian Ramirez
- Instituto de Química, Síntesis y Biosíntesis de Metabolitos Naturales, Universidad de Antioquia , AA 1226 Medellín, Colombia
| | - Marisol Cano
- Instituto de Química, Síntesis y Biosíntesis de Metabolitos Naturales, Universidad de Antioquia , AA 1226 Medellín, Colombia
| | - William Hidalgo
- Max Planck Institute für Chemische Ökologie, Beutenberg Campus , Hans-Knöll-Strasse 8, 07745 Jena, Germany
| | - Bernd Schneider
- Max Planck Institute für Chemische Ökologie, Beutenberg Campus , Hans-Knöll-Strasse 8, 07745 Jena, Germany
| | - Felipe Otálvaro
- Instituto de Química, Síntesis y Biosíntesis de Metabolitos Naturales, Universidad de Antioquia , AA 1226 Medellín, Colombia
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Saikia I, Borah AJ, Phukan P. Use of Bromine and Bromo-Organic Compounds in Organic Synthesis. Chem Rev 2016; 116:6837-7042. [PMID: 27199233 DOI: 10.1021/acs.chemrev.5b00400] [Citation(s) in RCA: 283] [Impact Index Per Article: 35.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Bromination is one of the most important transformations in organic synthesis and can be carried out using bromine and many other bromo compounds. Use of molecular bromine in organic synthesis is well-known. However, due to the hazardous nature of bromine, enormous growth has been witnessed in the past several decades for the development of solid bromine carriers. This review outlines the use of bromine and different bromo-organic compounds in organic synthesis. The applications of bromine, a total of 107 bromo-organic compounds, 11 other brominating agents, and a few natural bromine sources were incorporated. The scope of these reagents for various organic transformations such as bromination, cohalogenation, oxidation, cyclization, ring-opening reactions, substitution, rearrangement, hydrolysis, catalysis, etc. has been described briefly to highlight important aspects of the bromo-organic compounds in organic synthesis.
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Affiliation(s)
| | - Arun Jyoti Borah
- Department of Chemistry, Gauahti University , Guwahati-781014, Assam, India
| | - Prodeep Phukan
- Department of Chemistry, Gauahti University , Guwahati-781014, Assam, India
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Bose A, Mal P. Electrophilic aryl-halogenation using N-halosuccinimides under ball-milling. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.02.064] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Khosravi K, Kazemi S. Green, mild and efficient bromination of aromatic compounds by HBr promoted by trans-3,5-dihydroperoxy-3,5-dimethyl-1,2-dioxolane in water as a solvent. CHINESE CHEM LETT 2012. [DOI: 10.1016/j.cclet.2012.01.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Azarifar D, Khosravi K, Najminejad Z, Soleimani K. Regioselective bromination and iodination of aromatic substrates promoted by trans-3,5-dihydroperoxy-3,5-dimethyl-1,2-dioxolane. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2012. [DOI: 10.1007/s13738-011-0026-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Hidalgo W, Duque L, Saez J, Arango R, Gil J, Rojano B, Schneider B, Otálvaro F. Structure-activity relationship in the interaction of substituted perinaphthenones with Mycosphaerella fijiensis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:7417-7421. [PMID: 19630386 DOI: 10.1021/jf901052e] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The levels of native fungitoxic perinaphthenone phytoalexins in susceptible Musa varieties (banana), which are commercially grown in large plantations, are too low to provide plants with long-lasting protection against highly pathogenic fungi. Novel strategies for plant protection are necessary to reduce crop losses and to prevent the development of resistant fungal strains. The synthesis of novel fungicides based on the structures of perinaphthenone natural products is considered to be a promising strategy. Thirteen substituted perinaphthenones, among them two known natural products (1, 2) and 11 synthetics (3-13), were evaluated for their activity against Mycosphaerella fijiensis , and their half-maximal inhibitory concentrations (IC(50)) were calculated to establish structure-activity relationships (SAR). A SAR trend was hypothesized, leading to the design of a new compound, 4-methoxy-2-nitro-1H-phenalen-1-one (14); the new compound displayed significantly enhanced in vitro activity against M. fijiensis compared to other perinaphthenone derivatives. The activity of 14 was comparable to that of two commercial fungicides.
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Affiliation(s)
- William Hidalgo
- Universidad Nacional de Colombia sede Medellín, Autopista Norte, Calle 64 Cra 65, Medellín, Colombia
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IMANZADEH GH, MOLLAEI TAVANA M, ZAMANLOO MR, MANSOORI Y. Aza-Michael Addition of Isatin and Phthalimide to Symmetrical Fumaric Esters in Ionic Liquid Media. CHINESE J CHEM 2009. [DOI: 10.1002/cjoc.200990064] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Nanclares J, Gil J, Rojano B, Saez J, Schneider B, Otálvaro F. Synthesis of 4-methoxy-1H-phenalen-1-one: a subunit related to natural phenalenone-type compounds. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.04.095] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Pravst I, Zupan M, Stavber S. Halogenation of ketones with N-halosuccinimides under solvent-free reaction conditions. Tetrahedron 2008. [DOI: 10.1016/j.tet.2008.03.048] [Citation(s) in RCA: 101] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Stropnik T, Bombek S, Kočevar M, Polanc S. Regioselective bromination of activated aromatic substrates with a ZrBr4/diazene mixture. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.01.072] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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