1
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Shinde GH, Sundén H. Boron-Mediated Regioselective Aromatic C-H Functionalization via an Aryl BF 2 Complex. Chemistry 2023; 29:e202203505. [PMID: 36383388 DOI: 10.1002/chem.202203505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 11/17/2022]
Abstract
An efficient regioselective functionalization of 2-aryl-heteroarenes and aryl aldehydes via an azaaryl BF2 complex has been developed. Mechanistically the reaction comprises fluoride to bromide ligand exchange on an aryl boron species and consecutive C-B bond cleavage to deliver a broad range of functionalized products. The reaction is high yielding, has a broad substrate scope where several different heteroarenes can be functionalized with chloro, bromo, iodo, hydroxyl, amine and BF2 in a highly regioselective fashion. The method can be applied for late-stage functionalization or for rapid skeleton remodeling with for instance cross-couplings.
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Affiliation(s)
- Ganesh H Shinde
- Department of Chemistry and Molecular Biology, University of Gothenburg, 412 96, Gothenburg, Sweden
| | - Henrik Sundén
- Department of Chemistry and Molecular Biology, University of Gothenburg, 412 96, Gothenburg, Sweden.,Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 96, Gothenburg, Sweden
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2
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Rachor SG, Ahrens M, Braun T. Conversion of a Au I Fluorido Complex into an N-Fluoroamido Derivative: N-F versus Au-N Reactivity. Angew Chem Int Ed Engl 2022; 61:e202212858. [PMID: 36279190 PMCID: PMC10099710 DOI: 10.1002/anie.202212858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Indexed: 11/06/2022]
Abstract
The AuI complex [Au{N(F)SO2 Ph}(SPhos)] (SPhos=dicyclohexyl(2',6'-dimethoxy[1,1'-biphenyl]-2-yl)phosphane) (2) bearing a fluoroamido ligand has been synthesized by reaction of the fluorido complex [Au(F)(SPhos)] (1) with NFSI (NFSI=N-fluorobenzenesulfonimide). A reaction with CO resulted in an unprecedented insertion into the N-F bond at 2. With the carbene precursor N2 CH(CO2 Et) N-F bond cleavage gave the Au-F bond insertion product [Au{CHF(CO2 C2 H5 )}(SPhos)] (7). The presence of CNtBu led to Au-N cleavage at 2 and concomitant amide formation to give the cationic complex [Au(CNtBu)(SPhos)][N(F)SO2 Ph)] (5), which reacted further to give FtBu as well as the cyanido complex [Au(CN)(SPhos)] (6). These results led to the development of a process for the amination of electrophilic organic substrates by transfer of the fluoroamido group NF(SO2 Ph)- .
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Affiliation(s)
- Simon G Rachor
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
| | - Mike Ahrens
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
| | - Thomas Braun
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
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3
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Qian BY, Zhang W, Lin J, Cao W, Xiao JC. anti-Markovnikov Iodofluorination of Alkenes. Chem Asian J 2022; 17:e202200184. [PMID: 35266316 DOI: 10.1002/asia.202200184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 03/09/2022] [Indexed: 11/10/2022]
Abstract
The fluorination of alkenes with electrophilic N-F type reagents usually occurs through a Markovnikov-type addition, and the anti-Markovnikov-type addition may require the use of a transition metal catalyst or an expensive catalyst. Herein we describe a convenient anti-Markovnikov iodofluorination of alkenes with Selectfluor/ nBu4NI. A wide substrate scope and good functional group tolerance were observed. The process allows for the construction of various C-F bonds, especially tertiary C-F bonds. The remarkable features make this protocol attractive, including convenient operations, simple reaction conditions, and the installation of an iodine atom which provides possibilities for further transformations.
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Affiliation(s)
- Bai-Yu Qian
- Shanghai University, Department of Chemistry, CHINA
| | - Wei Zhang
- Shanghai University, Department of Chemistry, CHINA
| | - Jinhong Lin
- Shanghai Institute of Organic Chemistry, Key Laboratory of Organofluorine Chemistry, 345 Lingling Road, 200032, Shanghai, CHINA
| | - Weiguo Cao
- Shanghai University, Department of Chemistry, CHINA
| | - Ji-Chang Xiao
- SIOC: Shanghai Institute of Organic Chemistry, Key Laboratory of Organofluorine Chemistry, CHINA
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4
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Selectfluor Mediated Difunctionalization of Olefins towards the Synthesis of Fluoromethylated Morpholines. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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5
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Rivera‐Chao E, Fañanás‐Mastral M. Stereoselective Synthesis of Highly Substituted 1,3-Dienes via "à la carte" Multifunctionalization of Borylated Dendralenes. Angew Chem Int Ed Engl 2021; 60:16922-16927. [PMID: 34043856 PMCID: PMC8362018 DOI: 10.1002/anie.202104741] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/12/2021] [Indexed: 01/05/2023]
Abstract
Despite the high relevance of 1,3-dienes, stereoselective methods to access tetrasubstituted conjugated dienes are still scarce. We here report an efficient and modular approach that provides access to multifunctional tetrasubstituted 1,3-dienes with excellent levels of regio- and stereoselectivity. This methodology is based on a tetracomponent reaction between a borylated dendralene, an organolithium reagent and two different electrophiles. Mechanistic studies reveal that this transformation proceeds through a regio- and stereoselective carbolithiation/electrophilic trapping of an in situ formed dendralenic boron-ate complex, followed by a stereoretentive halodeborylation. The ease in which complex structural dienes can be accessed and their synthetic versatility highlight the importance and utility of this method.
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Affiliation(s)
- Eva Rivera‐Chao
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS)Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - Martín Fañanás‐Mastral
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS)Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
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6
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Rivera‐Chao E, Fañanás‐Mastral M. Stereoselective Synthesis of Highly Substituted 1,3‐Dienes via “à la carte” Multifunctionalization of Borylated Dendralenes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104741] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Eva Rivera‐Chao
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Martín Fañanás‐Mastral
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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7
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Maria Faisca Phillips A, Pombeiro AJL. Recent Developments in Enantioselective Organocatalytic Cascade Reactions for the Construction of Halogenated Ring Systems. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100364] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Ana Maria Faisca Phillips
- Centro de Química Estrutural Instituto Superior Técnico Universidade de Lisboa Av. Rovisco Pais 1049-001 Lisboa Portugal
| | - Armando J. L. Pombeiro
- Centro de Química Estrutural Instituto Superior Técnico Universidade de Lisboa Av. Rovisco Pais 1049-001 Lisboa Portugal
- Рeoples' Friendship University of Russia RUDN University) 6 Miklukho-Maklaya Street Moscow 117198 Russian Federation
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8
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Li Y, Hu Q, Zhang F, Li Z, Sun X, Yang K. Metal‐Free Selective C−S Bond Cleavage of Thioethers to Access β‐Alkoxy Carbonyl Compounds. ChemistrySelect 2021. [DOI: 10.1002/slct.202101925] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yi Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road Changzhou Jiangsu 213164 China
| | - Qingyue Hu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road Changzhou Jiangsu 213164 China
| | - Feiyang Zhang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road Changzhou Jiangsu 213164 China
| | - Zhengyi Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road Changzhou Jiangsu 213164 China
| | - Xiaoqiang Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road Changzhou Jiangsu 213164 China
| | - Ke Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering Changzhou University 1 Gehu Road Changzhou Jiangsu 213164 China
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9
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Morioka R, Fujita T, Ichikawa J. Facile Synthesis of 2‐Fluorobenzofurans: 5‐
endo
‐
trig
Cyclization of β,β‐Difluoro‐
o‐
hydroxystyrenes. Helv Chim Acta 2020. [DOI: 10.1002/hlca.202000159] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ryutaro Morioka
- Division of Chemistry Faculty of Pure and Applied Sciences University of Tsukuba Tsukuba Ibaraki 305-8571 Japan
| | - Takeshi Fujita
- Division of Chemistry Faculty of Pure and Applied Sciences University of Tsukuba Tsukuba Ibaraki 305-8571 Japan
| | - Junji Ichikawa
- Division of Chemistry Faculty of Pure and Applied Sciences University of Tsukuba Tsukuba Ibaraki 305-8571 Japan
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10
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Zhao J, Xiao Q, Chen J, Xu J. Metal‐Free Synthesis of Imidazo[2,1‐
b
]thiazoles from Thioimidazoles and Ketones Mediated by Selectfluor. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000815] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jinwu Zhao
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Qiannan Xiao
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Jiaxi Chen
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Jingxiu Xu
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
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11
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Aguilar Troyano FJ, Merkens K, Gómez‐Suárez A. Selectfluor® Radical Dication (TEDA
2+.
) – A Versatile Species in Modern Synthetic Organic Chemistry. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000196] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Kay Merkens
- Organic ChemistryBergische Universität Wuppertal Gaußstr. 20 42119 Wuppertal Germany
| | - Adrián Gómez‐Suárez
- Organic ChemistryBergische Universität Wuppertal Gaußstr. 20 42119 Wuppertal Germany
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12
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Rössler SL, Jelier BJ, Magnier E, Dagousset G, Carreira EM, Togni A. Pyridinium Salts as Redox‐Active Functional Group Transfer Reagents. Angew Chem Int Ed Engl 2020; 59:9264-9280. [DOI: 10.1002/anie.201911660] [Citation(s) in RCA: 121] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Indexed: 12/14/2022]
Affiliation(s)
- Simon L. Rössler
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
| | - Benson J. Jelier
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
| | - Emmanuel Magnier
- Institut Lavoisier de VersaillesUMR 8180Université de Versailles-Saint-Quentin 78035 Versailles Cedex France
| | - Guillaume Dagousset
- Institut Lavoisier de VersaillesUMR 8180Université de Versailles-Saint-Quentin 78035 Versailles Cedex France
| | - Erick M. Carreira
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
| | - Antonio Togni
- Department of Chemistry and Applied BiosciencesETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Switzerland
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13
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Rössler SL, Jelier BJ, Magnier E, Dagousset G, Carreira EM, Togni A. Pyridiniumsalze als redoxaktive Reagenzien zur Übertragung funktioneller Gruppen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201911660] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Simon L. Rössler
- Departement Chemie und Angewandte BiowissenschaftenETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Schweiz
| | - Benson J. Jelier
- Departement Chemie und Angewandte BiowissenschaftenETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Schweiz
| | - Emmanuel Magnier
- Institut Lavoisier de VersaillesUMR 8180Université de Versailles-Saint-Quentin 78035 Versailles Cedex Frankreich
| | - Guillaume Dagousset
- Institut Lavoisier de VersaillesUMR 8180Université de Versailles-Saint-Quentin 78035 Versailles Cedex Frankreich
| | - Erick M. Carreira
- Departement Chemie und Angewandte BiowissenschaftenETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Schweiz
| | - Antonio Togni
- Departement Chemie und Angewandte BiowissenschaftenETH Zürich Vladimir-Prelog-Weg 1–5 8093 Zürich Schweiz
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14
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Visible‐Light‐Assisted Gold‐Catalyzed Fluoroarylation of Allenoates. Angew Chem Int Ed Engl 2020; 59:5242-5247. [DOI: 10.1002/anie.201916471] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/17/2020] [Indexed: 01/17/2023]
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15
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Tang H, Zhang X, Zhang Y, Feng C. Visible‐Light‐Assisted Gold‐Catalyzed Fluoroarylation of Allenoates. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916471] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Hai‐Jun Tang
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Xinggui Zhang
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Yu‐Feng Zhang
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
| | - Chao Feng
- Institute of Advanced SynthesisSchool of Chemistry and Molecular EngineeringNanjing Tech University 30 South Puzhu Road Nanjing 211816 P. R. China
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16
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Petrini M. New Perspectives in the Indole Ring Functionalization using 2‐Indolylmethanols. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901245] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Marino Petrini
- School of Science and TechnologyChemistry Division, Università di Camerino via S. Agostino 1 62032 Camerino Italy
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17
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Fischer P, Morris M, Müller-Bunz H, Evans P. Synthesis and Structural Elucidation of 1,2-Disubstituted 3-Fluoropiperidines. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Pauline Fischer
- Centre for Synthesis and Chemical Biology; School of Chemistry; University College Dublin; D04 N2E5 Dublin Ireland
| | - Morgan Morris
- Centre for Synthesis and Chemical Biology; School of Chemistry; University College Dublin; D04 N2E5 Dublin Ireland
| | - Helge Müller-Bunz
- Centre for Synthesis and Chemical Biology; School of Chemistry; University College Dublin; D04 N2E5 Dublin Ireland
| | - Paul Evans
- Centre for Synthesis and Chemical Biology; School of Chemistry; University College Dublin; D04 N2E5 Dublin Ireland
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18
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Yang K, Song M, Ali AIM, Mudassir SM, Ge H. Recent Advances in the Application of Selectfluor as a "Fluorine-free" Functional Reagent in Organic Synthesis. Chem Asian J 2020; 15:729-741. [PMID: 32068956 DOI: 10.1002/asia.202000011] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 02/16/2020] [Indexed: 11/09/2022]
Abstract
Selectfluor, [1-chloromethyl-4-fluoro-1,4-diazoniabicyclo-[2.2.2]octane bis(tetrafluoroborate)], is not only an important electrophilic fluorinating agent but also a facile and efficient "fluorine-free" functional reagent in other organic reactions. In this Minireview, we will present a brief history of Selectfluor as a transition metal oxidant, fluorine cation and radical initiator in "fluorine-free" functionalizations over the last five years.
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Affiliation(s)
- Ke Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu, 213164, China.,Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, 46202, USA
| | - Mengjie Song
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu, 213164, China
| | - Ahmed I M Ali
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, 79409, USA
| | - Syed M Mudassir
- Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, 46202, USA
| | - Haibo Ge
- Department of Chemistry and Chemical Biology, Indiana University Purdue University Indianapolis, Indianapolis, Indiana, 46202, USA.,Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas, 79409, USA
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19
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Nijamudheen A, Datta A. Gold-Catalyzed Cross-Coupling Reactions: An Overview of Design Strategies, Mechanistic Studies, and Applications. Chemistry 2019; 26:1442-1487. [PMID: 31657487 DOI: 10.1002/chem.201903377] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 10/28/2019] [Indexed: 12/14/2022]
Abstract
Transition-metal-catalyzed cross-coupling reactions are central to many organic synthesis methodologies. Traditionally, Pd, Ni, Cu, and Fe catalysts are used to promote these reactions. Recently, many studies have showed that both homogeneous and heterogeneous Au catalysts can be used for activating selective cross-coupling reactions. Here, an overview of the past studies, current trends, and future directions in the field of gold-catalyzed coupling reactions is presented. Design strategies to accomplish selective homocoupling and cross-coupling reactions under both homogeneous and heterogeneous conditions, computational and experimental mechanistic studies, and their applications in diverse fields are critically reviewed. Specific topics covered are: oxidant-assisted and oxidant-free reactions; strain-assisted reactions; dual Au and photoredox catalysis; bimetallic synergistic reactions; mechanisms of reductive elimination processes; enzyme-mimicking Au chemistry; cluster and surface reactions; and plasmonic catalysis. In the relevant sections, theoretical and computational studies of AuI /AuIII chemistry are discussed and the predictions from the calculations are compared with the experimental observations to derive useful design strategies.
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Affiliation(s)
- A Nijamudheen
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India.,Department of Chemical & Biomedical Engineering, Florida A&M University-Florida State University, Joint College of Engineering, 2525 Pottsdamer Street, Tallahassee, FL, 32310, USA
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the, Cultivation of Sciences, 2A & 2B Raja S C Mullick Road, Kolkata, 700032, India
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20
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Aguilar Troyano FJ, Ballaschk F, Jaschinski M, Özkaya Y, Gómez‐Suárez A. Light-Mediated Formal Radical Deoxyfluorination of Tertiary Alcohols through Selective Single-Electron Oxidation with TEDA 2+.. Chemistry 2019; 25:14054-14058. [PMID: 31452265 PMCID: PMC6899844 DOI: 10.1002/chem.201903702] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Indexed: 01/28/2023]
Abstract
The synthesis of tertiary alkyl fluorides through a formal radical deoxyfluorination process is described herein. This light-mediated, catalyst-free methodology is fast and broadly applicable allowing for the preparation of C-F bonds from (hetero)benzylic, propargylic, and non-activated tertiary alcohol derivatives. Preliminary mechanistic studies support that the key step of the reaction is the single-electron oxidation of cesium oxalates-which are readily available from the corresponding tertiary alcohols-with in situ generated TEDA2+. (TEDA: N-(chloromethyl)triethylenediamine), a radical cation derived from Selectfluor®.
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Affiliation(s)
| | - Frederic Ballaschk
- Organic ChemistryBergische Universität WuppertalGaußstrasse 2042119WuppertalGermany
| | - Marcel Jaschinski
- Organic ChemistryBergische Universität WuppertalGaußstrasse 2042119WuppertalGermany
| | - Yasemin Özkaya
- Organic ChemistryBergische Universität WuppertalGaußstrasse 2042119WuppertalGermany
| | - Adrián Gómez‐Suárez
- Organic ChemistryBergische Universität WuppertalGaußstrasse 2042119WuppertalGermany
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21
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Yang K, Li Y, Ma Z, Tang L, Yin Y, Zhang H, Li Z, Sun X. Metal-Free C-S Bond Cleavage to Access N
-Substituted Acrylamide and β-Aminopropanamide. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900960] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ke Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
| | - Yi Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
| | - Zhiyan Ma
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
| | - Long Tang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
| | - Yue Yin
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
| | - Hao Zhang
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
| | - Zhengyi Li
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
| | - Xiaoqiang Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology; School of Petrochemical Engineering; Changzhou University; 1 Gehu Road 213164 Changzhou Jiangsu China
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22
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Phae-nok S, Pohmakotr M, Kuhakarn C, Reutrakul V, Soorukram D. Site-Specific Synthesis of β-Fluorinated γ-Butyrolactams via Decarboxylative Fluorination of β-Carboxyl-γ-Butyrolactams. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900685] [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)
- Supasorn Phae-nok
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC); Faculty of Science; Mahidol University; Rama VI Road 10400 Bangkok Thailand
| | - Manat Pohmakotr
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC); Faculty of Science; Mahidol University; Rama VI Road 10400 Bangkok Thailand
| | - Chutima Kuhakarn
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC); Faculty of Science; Mahidol University; Rama VI Road 10400 Bangkok Thailand
| | - Vichai Reutrakul
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC); Faculty of Science; Mahidol University; Rama VI Road 10400 Bangkok Thailand
| | - Darunee Soorukram
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC); Faculty of Science; Mahidol University; Rama VI Road 10400 Bangkok Thailand
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23
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Wood SH, Etridge S, Kennedy AR, Percy JM, Nelson DJ. The Electrophilic Fluorination of Enol Esters Using SelectFluor: A Polar Two-Electron Process. Chemistry 2019; 25:5574-5585. [PMID: 30724406 DOI: 10.1002/chem.201900029] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Indexed: 11/11/2022]
Abstract
The reaction of enol esters with SelectFluor is facile and leads to the corresponding α-fluoroketones under mild conditions and, as a result, this route is commonly employed for the synthesis of medicinally important compounds such as fluorinated steroids. However, despite the use of this methodology in synthesis, the mechanism of this reaction and the influence of structure on reactivity are unclear. A rigorous mechanistic study of the fluorination of these substrates is presented, informed primarily by detailed and robust kinetic experiments. The results of this study implicate a polar two-electron process via an oxygen-stabilised carbenium species, rather than a single-electron process involving radical intermediates. The structure-reactivity relationships revealed here will assist synthetic chemists in deploying this type of methodology in the syntheses of α-fluoroketones.
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Affiliation(s)
- Susanna H Wood
- WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, UK
| | - Stephen Etridge
- GMS Manufacturing and Supply, GlaxoSmithKline, Cobden Street, Montrose, DD10 8EA, UK
| | - Alan R Kennedy
- WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, UK
| | - Jonathan M Percy
- WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, UK
| | - David J Nelson
- WestCHEM Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow, G1 1XL, UK
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24
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Pirzer AS, Alvarez E, Friedrich H, Heinrich MR. Radical Carbofluorination of Alkenes with Arylhydrazines and Selectfluor: Additives, Mechanistic Pathways, and Polar Effects. Chemistry 2019; 25:2786-2792. [DOI: 10.1002/chem.201805256] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 11/23/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Anna S. Pirzer
- Department of Chemistry and Pharmacy, Pharmaceutical Chemistry Friedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Str. 10 91058 Erlangen Germany
| | - Eva‐Maria Alvarez
- Department of Chemistry and Pharmacy, Pharmaceutical Chemistry Friedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Str. 10 91058 Erlangen Germany
| | - Heike Friedrich
- Department of Chemistry and Pharmacy, Pharmaceutical Chemistry Friedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Str. 10 91058 Erlangen Germany
| | - Markus R. Heinrich
- Department of Chemistry and Pharmacy, Pharmaceutical Chemistry Friedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Str. 10 91058 Erlangen Germany
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25
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Qian D, Sun J. Recent Progress in Asymmetric Ion‐Pairing Catalysis with Ammonium Salts. Chemistry 2019; 25:3740-3751. [DOI: 10.1002/chem.201803752] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Indexed: 12/29/2022]
Affiliation(s)
- Deyun Qian
- Department of ChemistryThe Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong P. R. China
| | - Jianwei Sun
- Department of ChemistryThe Hong Kong University of Science and Technology Clear Water Bay Kowloon, Hong Kong P. R. China
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26
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Abstract
This review highlights recent improvement in trifluoromethylene functionalization processes with CF3 reagents, includes: Togni’s, Umemoto’s, CF3SO2Cl, CF3I, Yagupol’skii-Umemoto, TMSCF3, Langlois (CF3SO2Na) and clarifies the several designing to result the corresponding trifluoromethylated products. In this article, the selective trifluoromethylation reactions with Togni’s reagents and their analogs are detailed, which work transition metals or photoactivated Ru or Ir catalysts as single electron giver to yield CF3 radical intermediate species. This issue is to introduce a draft of diverse reports, presenting the modern reaction collect and mechanics produced during the past five years. This task is demanded by the key protocol connected with the trifluoromethylation reactions, designing to sustain researchers a straight forward understanding of such reactions and to award information for further implements.
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Affiliation(s)
- Maher Khalid
- Department of Chemistry, Faculty of Science, University of Zakho, Kir-Iraq
| | - Shireen Mohammed
- Department of Chemistry, Faculty of Science, University of Zakho, Kir-Iraq
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27
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Yan D, Zhao Q, Rao L, Chen J, Xiao W. Eosin Y as a Redox Catalyst and Photosensitizer for Sequential Benzylic C−H Amination and Oxidation. Chemistry 2018; 24:16895-16901. [DOI: 10.1002/chem.201804229] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Indexed: 12/11/2022]
Affiliation(s)
- Dong‐Mei Yan
- CCNU–uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of, Pesticide and Green Synthesis Key Laboratory of Pesticides &, Chemical Biology Ministry of Education College of Chemistry Central China Normal University 52 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - Quan‐Qing Zhao
- CCNU–uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of, Pesticide and Green Synthesis Key Laboratory of Pesticides &, Chemical Biology Ministry of Education College of Chemistry Central China Normal University 52 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - Li Rao
- CCNU–uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of, Pesticide and Green Synthesis Key Laboratory of Pesticides &, Chemical Biology Ministry of Education College of Chemistry Central China Normal University 52 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - Jia‐Rong Chen
- CCNU–uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of, Pesticide and Green Synthesis Key Laboratory of Pesticides &, Chemical Biology Ministry of Education College of Chemistry Central China Normal University 52 Luoyu Road Wuhan Hubei 430079 P. R. China
| | - Wen‐Jing Xiao
- CCNU–uOttawa Joint Research Centre Hubei International Scientific and Technological Cooperation Base of, Pesticide and Green Synthesis Key Laboratory of Pesticides &, Chemical Biology Ministry of Education College of Chemistry Central China Normal University 52 Luoyu Road Wuhan Hubei 430079 P. R. China
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 P. R. China
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28
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Nikolayenko VI, Castell DC, van Heerden DP, Barbour LJ. Guest-Induced Structural Transformations in a Porous Halogen-Bonded Framework. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806399] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Varvara I. Nikolayenko
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
| | - Dominic C. Castell
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
| | - Dewald P. van Heerden
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
| | - Leonard J. Barbour
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
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29
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Jiang H, Studer A. Amidyl Radicals by Oxidation of α‐Amido‐oxy Acids: Transition‐Metal‐Free Amidofluorination of Unactivated Alkenes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804966] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Heng Jiang
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Corrensstraße 40 48149 Münster Germany
| | - Armido Studer
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Corrensstraße 40 48149 Münster Germany
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30
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Nikolayenko VI, Castell DC, van Heerden DP, Barbour LJ. Guest-Induced Structural Transformations in a Porous Halogen-Bonded Framework. Angew Chem Int Ed Engl 2018; 57:12086-12091. [DOI: 10.1002/anie.201806399] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Indexed: 12/28/2022]
Affiliation(s)
- Varvara I. Nikolayenko
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
| | - Dominic C. Castell
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
| | - Dewald P. van Heerden
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
| | - Leonard J. Barbour
- Department of Chemistry and Polymer Science; University of Stellenbosch; Matieland 7600 South Africa
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31
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Jiang H, Studer A. Amidyl Radicals by Oxidation of α-Amido-oxy Acids: Transition-Metal-Free Amidofluorination of Unactivated Alkenes. Angew Chem Int Ed Engl 2018; 57:10707-10711. [PMID: 29855130 DOI: 10.1002/anie.201804966] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 05/28/2018] [Indexed: 01/23/2023]
Abstract
A three-component transition-metal-free amidofluorination of unactivated alkenes and styrenes is presented. α-Amido-oxy acids are introduced as efficient and easily accessible amidyl radical precursors that are oxidized by a photoexcited organic sensitizer (Mes-Acr-Me) to the corresponding carboxyl radical. Sequential CO2 and aldehyde/ketone fragmentation leads to an N-centered radical that adds to an alkene. Commercial Selectfluor is used to trap the adduct radical through fluorine-atom transfer. The transformation features by high functional-group tolerance, broad substrate scope, and practical mild conditions. Mechanistic studies support the radical nature of the cascade.
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Affiliation(s)
- Heng Jiang
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149, Münster, Germany
| | - Armido Studer
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstraße 40, 48149, Münster, Germany
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32
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Baumgärtner K, Rominger F, Mastalerz M. Gulf-Selective Postsynthetic Functionalization of a Soluble Hexabenzoovalene. Chemistry 2018; 24:8751-8755. [DOI: 10.1002/chem.201800968] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 03/27/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Kevin Baumgärtner
- Organisch-Chemisches Institut; Ruprecht-Karls-Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Frank Rominger
- Organisch-Chemisches Institut; Ruprecht-Karls-Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Michael Mastalerz
- Organisch-Chemisches Institut; Ruprecht-Karls-Universität Heidelberg; Im Neuenheimer Feld 270 69120 Heidelberg Germany
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33
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Buß F, Mück-Lichtenfeld C, Mehlmann P, Dielmann F. Nucleophilic Activation of Sulfur Hexafluoride: Metal-Free, Selective Degradation by Phosphines. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201713206] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Florenz Buß
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
| | - Christian Mück-Lichtenfeld
- Organisch-Chemisches Institut; Westfälische Wilhelms-Universität Münster; Corrensstrasse 40 48149 Münster Germany
| | - Paul Mehlmann
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
| | - Fabian Dielmann
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
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34
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Buß F, Mück-Lichtenfeld C, Mehlmann P, Dielmann F. Nucleophilic Activation of Sulfur Hexafluoride: Metal-Free, Selective Degradation by Phosphines. Angew Chem Int Ed Engl 2018; 57:4951-4955. [DOI: 10.1002/anie.201713206] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Florenz Buß
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
| | - Christian Mück-Lichtenfeld
- Organisch-Chemisches Institut; Westfälische Wilhelms-Universität Münster; Corrensstrasse 40 48149 Münster Germany
| | - Paul Mehlmann
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
| | - Fabian Dielmann
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
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35
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Qian D, Chen M, Bissember AC, Sun J. Counterion-Induced Asymmetric Control in Ring-Opening of Azetidiniums: Facile Access to Chiral Amines. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712395] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Deyun Qian
- Shenzhen Research Institute; The Hong Kong University of Science and Technology (HKUST); Shenzhen China
- Department of Chemistry; HKUST; Clear Water Bay Kowloon Hong Kong China
| | - Min Chen
- Shenzhen Research Institute; The Hong Kong University of Science and Technology (HKUST); Shenzhen China
- Department of Chemistry; HKUST; Clear Water Bay Kowloon Hong Kong China
| | - Alex C. Bissember
- School of Natural Sciences-Chemistry; University of Tasmania; Hobart Australia
| | - Jianwei Sun
- Shenzhen Research Institute; The Hong Kong University of Science and Technology (HKUST); Shenzhen China
- Department of Chemistry; HKUST; Clear Water Bay Kowloon Hong Kong China
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36
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Qian D, Chen M, Bissember AC, Sun J. Counterion-Induced Asymmetric Control in Ring-Opening of Azetidiniums: Facile Access to Chiral Amines. Angew Chem Int Ed Engl 2018; 57:3763-3766. [DOI: 10.1002/anie.201712395] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Revised: 01/25/2018] [Indexed: 01/01/2023]
Affiliation(s)
- Deyun Qian
- Shenzhen Research Institute; The Hong Kong University of Science and Technology (HKUST); Shenzhen China
- Department of Chemistry; HKUST; Clear Water Bay Kowloon Hong Kong China
| | - Min Chen
- Shenzhen Research Institute; The Hong Kong University of Science and Technology (HKUST); Shenzhen China
- Department of Chemistry; HKUST; Clear Water Bay Kowloon Hong Kong China
| | - Alex C. Bissember
- School of Natural Sciences-Chemistry; University of Tasmania; Hobart Australia
| | - Jianwei Sun
- Shenzhen Research Institute; The Hong Kong University of Science and Technology (HKUST); Shenzhen China
- Department of Chemistry; HKUST; Clear Water Bay Kowloon Hong Kong China
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37
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Liang S, Hammond GB, Xu B. Hydrogen Bonding: Regulator for Nucleophilic Fluorination. Chemistry 2017; 23:17850-17861. [PMID: 28833711 PMCID: PMC5740003 DOI: 10.1002/chem.201702664] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Indexed: 11/07/2022]
Abstract
The recent advances in nucleophilic fluorination, regulated through hydrogen bonding interactions are summarized. Two main categories of fluorine nucleophiles are discussed. Alkali-metal fluorides are widely used in various fluorination transformations because they are inexpensive and safe nucleophilic fluorine sources. But the non-controllable nucleophilicity and strong basicity of some of them cause undesired side reactions, which led to the introduction of hydrogen bonding to fine tune their nucleophilicity and basicity. In contrast, an HF-based fluorine nucleophile, HF/DMPU, is in some aspects superior to the conventional HF/pyridine (Olah's reagent) or HF/Et3 N because of the higher hydrogen bond basicity of DMPU. It has been used in several nucleophilic fluorinations such as fluorination of alkynes, fluoro-Prins reaction and fluorination of aziridines.
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Affiliation(s)
- Shengzong Liang
- Department of Chemistry, University of Louisville, Louisville, Kentucky, 40292, USA
| | - Gerald B Hammond
- Department of Chemistry, University of Louisville, Louisville, Kentucky, 40292, USA
| | - Bo Xu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai, 201620, P. R. China
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38
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Chen H, Liu Z, Lv Y, Tan X, Shen H, Yu HZ, Li C. Selective Radical Fluorination of Tertiary Alkyl Halides at Room Temperature. Angew Chem Int Ed Engl 2017; 56:15411-15415. [DOI: 10.1002/anie.201708197] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 09/27/2017] [Indexed: 11/10/2022]
Affiliation(s)
- He Chen
- Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P. R. China
| | - Zhonglin Liu
- Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P. R. China
| | - Ying Lv
- AnHui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials; Anhui University; Hefei Anhui 230601 P. R. China
| | - Xinqiang Tan
- Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P. R. China
| | - Haigen Shen
- Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P. R. China
| | - Hai-Zhu Yu
- AnHui Province Key Laboratory of Chemistry for Inorganic/Organic Hybrid Functionalized Materials; Anhui University; Hefei Anhui 230601 P. R. China
| | - Chaozhong Li
- Key Laboratory of Organofluorine Chemistry and Collaborative Innovation Center of Chemistry for Life Sciences; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P. R. China
- School of Materials and Chemical Engineering; Ningbo University of Technology; 201 Fenghua Road Ningbo 315211 P. R. China
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39
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40
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Zaikin PA, Dyan OT, Evtushok DV, Usoltsev AN, Borodkin GI, Karpova EV, Shubin VG. Solvent-Free Fluorination of Electron-Rich Aromatic Compounds with F-TEDA-BF4
: Toward “Dry” Processes. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700179] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Pavel A. Zaikin
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of the Siberian Branch of Russian Academy of Sciences; 9 Acad. Lavrentiev Ave. 630090 Novosibirsk Russian Federation
| | - Ok Ton Dyan
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of the Siberian Branch of Russian Academy of Sciences; 9 Acad. Lavrentiev Ave. 630090 Novosibirsk Russian Federation
| | - Darya V. Evtushok
- A. V. Nikolaev Institute of Inorganic Chemistry of the Siberian Branch of Russian Academy of Sciences; 3 Acad. Lavrentiev Ave. 630090 Novosibirsk Russian Federation
| | - Andrey N. Usoltsev
- A. V. Nikolaev Institute of Inorganic Chemistry of the Siberian Branch of Russian Academy of Sciences; 3 Acad. Lavrentiev Ave. 630090 Novosibirsk Russian Federation
| | - Gennady I. Borodkin
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of the Siberian Branch of Russian Academy of Sciences; 9 Acad. Lavrentiev Ave. 630090 Novosibirsk Russian Federation
- Department of Natural Sciences; Novosibirsk State University; 2 Pirogov St 630090 Novosibirsk Russian Federation
| | - Elena V. Karpova
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of the Siberian Branch of Russian Academy of Sciences; 9 Acad. Lavrentiev Ave. 630090 Novosibirsk Russian Federation
- Department of Natural Sciences; Novosibirsk State University; 2 Pirogov St 630090 Novosibirsk Russian Federation
| | - Vyacheslav G. Shubin
- N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry of the Siberian Branch of Russian Academy of Sciences; 9 Acad. Lavrentiev Ave. 630090 Novosibirsk Russian Federation
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41
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Zhao J, Jiang M, Liu JT. Synthesis of Fluoromethyl-Substituted Isoxazolines via
Transition Metal-Free Oxyfluorination of Alkenyl Oximes. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601405] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Juan Zhao
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 People's Republic of China
| | - Min Jiang
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 People's Republic of China
| | - Jin-Tao Liu
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 People's Republic of China
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42
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Jiang X, Zhang F, Yang J, Yu P, Yi P, Sun Y, Wang Y. Fluorination-Oxidation of 2-Hydroxymethylindole Using Selectfluor. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600786] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaojian Jiang
- Institute of New Drug Research and Guangzhou Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, J; inan University College of Pharmacy; Guangzhou 510632 People's Republic of China
| | - Feng Zhang
- Institute of New Drug Research and Guangzhou Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, J; inan University College of Pharmacy; Guangzhou 510632 People's Republic of China
| | - Junjie Yang
- Institute of New Drug Research and Guangzhou Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, J; inan University College of Pharmacy; Guangzhou 510632 People's Republic of China
| | - Pei Yu
- Institute of New Drug Research and Guangzhou Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, J; inan University College of Pharmacy; Guangzhou 510632 People's Republic of China
| | - Peng Yi
- Institute of New Drug Research and Guangzhou Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, J; inan University College of Pharmacy; Guangzhou 510632 People's Republic of China
| | - Yewei Sun
- Institute of New Drug Research and Guangzhou Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, J; inan University College of Pharmacy; Guangzhou 510632 People's Republic of China
| | - Yuqiang Wang
- Institute of New Drug Research and Guangzhou Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, J; inan University College of Pharmacy; Guangzhou 510632 People's Republic of China
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43
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Zhang J, Zhang H, Shi D, Jin H, Liu Y. Facile and Diverse Synthesis of Benzo[b]fluorenone Derivatives through a Copper/Selectfluor-Catalyzed Tandem Annulation of 1,6-Enynes. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600982] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jian Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
| | - Haifeng Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
| | - Dongdong Shi
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
| | - Hongwei Jin
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
| | - Yunkui Liu
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
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44
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Abstract
Fluorination reactions of medicinal and biologically-active compounds will be discussed. Late stage fluorination strategies of medicinal targets have recently attracted considerable attention on account of the influence that a fluorine atom can impart to targets of medicinal importance, such as modulation of lipophilicity, electronegativity, basicity and bioavailability, the latter as a consequence of membrane permeability. Therefore, the recourse to late-stage fluorine substitution on compounds with already known and relevant biological activity can provide the pharmaceutical industry with new leads with improved medicinal properties. The fluorination strategies will take into account different fluorinating reagents, either of nucleophilic or electrophilic, and of radical nature. Diverse families of organic compounds such as (hetero)aromatic rings, and aliphatic substrates (sp(3), sp(2), and sp carbon atoms) will be studied in late-stage fluorination reaction strategies.
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Affiliation(s)
- Damian E Yerien
- Departamento de Química Orgánica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires-CONICET, Junín 954 CP, 1113-Buenos Aires, Argentina.
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45
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Yuan YC, Liu HL, Hu XB, Wei Y, Shi M. Visible-Light-Induced Trifluoromethylation of Isonitrile-Substituted Methylenecyclopropanes: Facile Access to 6-(Trifluoromethyl)-7,8-Dihydrobenzo[k]phenanthridine Derivatives. Chemistry 2016; 22:13059-63. [PMID: 27433794 DOI: 10.1002/chem.201602920] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Indexed: 11/06/2022]
Abstract
A new visible-light-induced trifluoromethylation of isonitrile-substituted methylenecyclopropanes is developed. A range of substituted 6-(trifluoromethyl)-7,8-dihydrobenzo[k]phenanthridine derivatives are readily furnished by this newly developed tandem reaction with moderate to good yields. This reaction allows the direct formation of two six-membered rings and three new C-C bonds, including the C-CF3 bond, under visible light irradiation.
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Affiliation(s)
- Yu-Chao Yuan
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P.R. China
| | - Hou-Lu Liu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai, 200444, P.R. China
| | - Xu-Bo Hu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, Meilong Road No. 130, Shanghai, 200237, P.R. China
| | - Yin Wei
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P.R. China.
| | - Min Shi
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai, 200032, P.R. China. .,Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science and Technology, Meilong Road No. 130, Shanghai, 200237, P.R. China.
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46
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Lv WX, Zeng YF, Li Q, Chen Y, Tan DH, Yang L, Wang H. Oxidative Difunctionalization of Alkenyl MIDA Boronates: A Versatile Platform for Halogenated and Trifluoromethylated α-Boryl Ketones. Angew Chem Int Ed Engl 2016; 55:10069-73. [DOI: 10.1002/anie.201604898] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Indexed: 01/02/2023]
Affiliation(s)
- Wen-Xin Lv
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Yao-Fu Zeng
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Qingjiang Li
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
- Stake Key Laboratory of Natural and Biomimetic Drugs; Peking University; China
| | - Yunyun Chen
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Dong-Hang Tan
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Ling Yang
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Honggen Wang
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
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47
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Lv WX, Zeng YF, Li Q, Chen Y, Tan DH, Yang L, Wang H. Oxidative Difunctionalization of Alkenyl MIDA Boronates: A Versatile Platform for Halogenated and Trifluoromethylated α-Boryl Ketones. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604898] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Wen-Xin Lv
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Yao-Fu Zeng
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Qingjiang Li
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
- Stake Key Laboratory of Natural and Biomimetic Drugs; Peking University; China
| | - Yunyun Chen
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Dong-Hang Tan
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Ling Yang
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
| | - Honggen Wang
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 China
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48
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Zeng X, Liu S, Shi Z, Liu G, Xu B. Synthesis of α-Fluoroketones by Insertion of HF into a Gold Carbene. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603914] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Xiaojun Zeng
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Shiwen Liu
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Zhenyu Shi
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Guangchang Liu
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Bo Xu
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
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49
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Zeng X, Liu S, Shi Z, Liu G, Xu B. Synthesis of α-Fluoroketones by Insertion of HF into a Gold Carbene. Angew Chem Int Ed Engl 2016; 55:10032-6. [DOI: 10.1002/anie.201603914] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 06/12/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Xiaojun Zeng
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Shiwen Liu
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Zhenyu Shi
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Guangchang Liu
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
| | - Bo Xu
- College of Chemistry, Chemical Engineering and Biotechnology; Donghua University; 2999 North Renmin Lu Shanghai 201620 China
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50
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Hiramatsu K, Tamamura H. A Mild Method for the Direct Fluorination of Pyrroles by Using a Lipophilic Anionic Phase-Transfer Catalyst. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600570] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kenichi Hiramatsu
- Department of Medicinal Chemistry; Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; Chiyoda-ku 101-0062 Tokyo Japan
| | - Hirokazu Tamamura
- Department of Medicinal Chemistry; Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; Chiyoda-ku 101-0062 Tokyo Japan
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