1
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Nusser BD, Jenkins LE, Lin X, Zhu L. Regiospecific Synthesis of 1,4-Diaryl-5-cyano-1,2,3-triazoles and Their Photoconversion to 2- or 3-Cyanoindoles. J Org Chem 2024; 89:12610-12618. [PMID: 39192715 DOI: 10.1021/acs.joc.4c01533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
We report the synthesis of 1,4-diaryl-5-cyano-1,2,3-triazoles from azides and alkynes via two copper-mediated steps. Aryl-substituted cyanotriazoles are emissive in nonpolar solvents. When the N1-aryl group is electron-donating, the photoconversion of a cyanotriazole to a cyanoindole is efficient. Each of the seven pairs of 4- and 5-cyanotriazole isomers is photoconverted to either distinctive cyanoindoles without rearrangement or a major cyanoindole product via the presumed common intermediate azirine. The resulting cyanoindoles appear to be stronger emitters in polar solvents than the parent cyanotriazoles.
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Affiliation(s)
- Brandon D Nusser
- Department of Chemistry and Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306-4390, United States
| | - Lucia E Jenkins
- Department of Chemistry and Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306-4390, United States
| | - Xinsong Lin
- Department of Chemistry and Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306-4390, United States
| | - Lei Zhu
- Department of Chemistry and Biochemistry, Florida State University, 95 Chieftan Way, Tallahassee, Florida 32306-4390, United States
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2
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Bhuyan M, Sharma S, Dutta NB, Baishya G. tert-Butylhydroperoxide mediated radical cyanoalkylation/cyanoalkenylation of 2-anilino-1,4-naphthoquinones with vinylarenes/arylalkynes and azobis(alkylcarbonitrile)s. Org Biomol Chem 2023; 21:9255-9269. [PMID: 37969100 DOI: 10.1039/d3ob01528a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
A novel sustainable methodology based on one-pot cyanoalkylation/cyanoalkenylation of 2-anilino-1,4-naphthoquinones with vinylarenes/arylalkynes and azobis(alkylcarbonitrile)s involving a three-component radical cascade pathway has been achieved. Here, tert-butylhydroperoxide (TBHP) acts as an efficient oxidant, and it smoothly drives the reaction, producing the three-component products in very good to excellent yields. This cascade reaction eliminates the use of any base, additive, metal and hazardous cyanating agent. Additionally, this protocol exclusively delivers a stereospecific product in the case of arylalkynes. The involvement of radicals is evidenced through various radical trapping experiments.
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Affiliation(s)
- Mayurakhi Bhuyan
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh-201002, India
| | - Suraj Sharma
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh-201002, India
| | | | - Gakul Baishya
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh-201002, India
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3
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Sarkar S, Biswas A, Das S, Sanyal B, Sahoo R, Samanta R. Weakly coordinating tert-amide assisted Rh(III)-catalyzed C4-cyanation of indoles: application in photophysical studies. Chem Commun (Camb) 2023; 59:11200-11203. [PMID: 37650543 DOI: 10.1039/d3cc03075j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
A rhodium(III)-catalyzed indole C4-selective cyanation is described using the bench-stable, user-friendly electrophilic cyanation agent N-cyano-N-phenyl-p-toluenesulfonamide (NCTS) as a coupling partner. A suitably positioned weakly coordinating tert-amide group was utilized for this site selectivity. The developed protocol proceeded with a broad scope. [Cp*Rh(MeCN)3][SbF6]2 was found to be an effective Rh(III) catalyst for this transformation. An initial study was carried out to know the photophysical properties of the C4-cyanated indole frameworks.
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Affiliation(s)
- Souradip Sarkar
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Aniruddha Biswas
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Sarbojit Das
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Bortika Sanyal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Rajkumar Sahoo
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India.
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4
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Wienecke P, Arndt HD. Direct C-H Cyanation by ICN Formed In Situ: Nannozinone B. Org Lett 2023; 25:1188-1191. [PMID: 36763903 DOI: 10.1021/acs.orglett.3c00176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
A novel method for C-H cyanation of different pyrans, pyrroles, indoles, and acyclic nucleophilic double bonds using TMSCN, NIS, and Zn(OTf)2 as a catalyst is described. The transformation is conducted under mild conditions tolerating a variety of functional groups. Zn(OTf)2 is likely to serve a dual catalytic role as an activator for TMSCN and for the cyanogen iodide generated in situ. Optimization, the substrate scope, and mechanistic observations are reported. Furthermore, this method is applied in the first total synthesis of the natural product nannozinone B.
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Affiliation(s)
- Paul Wienecke
- Friedrich-Schiller-Universität, Institut für Organische und Makromolekulare Chemie, Humboldtstrasse 10, D-07743 Jena, Germany
| | - Hans-Dieter Arndt
- Friedrich-Schiller-Universität, Institut für Organische und Makromolekulare Chemie, Humboldtstrasse 10, D-07743 Jena, Germany
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5
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Wang C, Ma Z, Hou X, Yang L, Chen Y. Research and Application of N-Ts Cyanamides in Organic Synthesis. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202207022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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6
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Jardim GAM, de Carvalho RL, Nunes MP, Machado LA, Almeida LD, Bahou KA, Bower JF, da Silva Júnior EN. Looking deep into C-H functionalization: the synthesis and application of cyclopentadienyl and related metal catalysts. Chem Commun (Camb) 2022; 58:3101-3121. [PMID: 35195128 DOI: 10.1039/d1cc07040a] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Metal catalyzed C-H functionalization offers a versatile platform for methodology development and a wide variety of reactions now exist for the chemo- and site-selective functionalization of organic molecules. Cyclopentadienyl-metal (CpM) complexes of transition metals and their correlative analogues have found widespread application in this area, and herein we highlight several key applications of commonly used transition-metal Cp-type catalysts. In addition, an understanding of transition metal Cp-type catalyst synthesis is important, particularly where modifications to the catalyst structure are required for different applications, and a summary of this aspect is given.
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Affiliation(s)
- Guilherme A M Jardim
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil. .,Centre for Excellence for Research in Sustainable Chemistry (CERSusChem), Department of Chemistry, Federal University of São Carlos, UFSCar, 13565-905, Brazil
| | - Renato L de Carvalho
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
| | - Mateus P Nunes
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
| | - Luana A Machado
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil. .,Department of Chemistry, Fluminense Federal University, Niteroi, 24020-141, RJ, Brazil
| | - Leandro D Almeida
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
| | - Karim A Bahou
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK.
| | - John F Bower
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK.
| | - Eufrânio N da Silva Júnior
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais - UFMG, Belo Horizonte, 31270-901, MG, Brazil.
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7
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Ahmad MS, Meguellati K. Recent Advances in Metal Catalyzed C−H Functionalization with a Wide Range of Directing Groups. ChemistrySelect 2022. [DOI: 10.1002/slct.202103716] [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)
| | - Kamel Meguellati
- School of Pharmacy Jinan University 855 Xingye Avenue East Guangzhou 511436 China
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8
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An efficient studies on C-2 cyanomethylation of the indole synthesis: The electronic and spectroscopic characterization (FT-IR, NMR, UV-Vis), antioxidant activity, and theoretical calculations. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131416] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Bhuyan M, Sharma S, Baishya G. Metal-free three-component cyanoalkylation of quinoxalin-2(1H)-ones with vinylarenes and azobis(alkylcarbonitrile)s. Org Biomol Chem 2022; 20:1462-1474. [DOI: 10.1039/d1ob02143e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A K2S2O8-mediated C3 cyanoalkylation of quinoxalin-2(1H)-ones via a three-component radical cascade reaction with vinylarenes and azobis(alkylcarbonitrile)s has been achieved.
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Affiliation(s)
- Mayurakhi Bhuyan
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Suraj Sharma
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
| | - Gakul Baishya
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat-785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh 201002, India
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10
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Li J, Liu Z, Liu YY, Liu J, Li YY, Qiao XY, Huang WM, Niu YY. POM-based metal–organic compounds: Assembly, structures and properties. MAIN GROUP CHEMISTRY 2021. [DOI: 10.3233/mgc-210080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Four POM-based inorganic-organic hybrid compounds, which are {[(Cu·L1’·H2O)·(α-Mo8O26)0.5]·H2O}n (1), {(Cu·L2’·H2O)·(α-Mo8O26)0.5}n (2), {[(Cu·L3’·H2O)·(β-Mo8O26)0.5]·5H2O}n (3), {(Cu·L4’·H2O)·(β-Mo8O26)}n (4)[L1’ = 1,5-bis (4-carboxylpyridine) pentane dibromide, L2’ = 1,7-bis (4-carboxylpyridine) heptane dibromide, L3’ = 1,2-bis [(4-carboxylpyridine) - N-methylene] benzene dibromide, L4’ = 1,4-bis [(4-carboxylpyridine) - N-methylene] benzene dibromide] have been successfully synthesized under hydrothermal conditions by tuning ligands. Compounds 1–4 were characterized by single crystal X-ray diffraction, infrared spectrum (IR), powder X-ray diffraction (PXRD), and thermogravimetric (TG). The transformation of ligands have a momentous effect on the [Mo8O26]4 - structures of this series. In addition, the adsorption and photocatalytic properties of organic dyes for compounds 1–4 have been investigated.
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Affiliation(s)
- Jian Li
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
- College of Ecology and Environment, Zhengzhou University, Henan, P.R. China
| | - Zhe Liu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
| | - Yue-Yan Liu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
| | - Jie Liu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
| | - Yuan-Yuan Li
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
| | - Xiu-Ying Qiao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
| | - Wen-Ming Huang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
| | - Yun-Yin Niu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Henan, P.R. China
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11
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Carvalho MA, Demin S, Martinez-Lamenca C, Romanov-Michailidis F, Lam K, Rombouts F, Lecomte M. Expedient Access to Cyanated N-Heterocycles by Direct Flow-Electrochemical C(sp 2 )-H Activation. Chemistry 2021; 28:e202103384. [PMID: 34658083 DOI: 10.1002/chem.202103384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Indexed: 01/30/2023]
Abstract
Nitriles are recurring motifs in bioactive molecules and versatile functional groups in synthetic chemistry. Despite recent progress, direct introduction of a nitrile moiety in heteroarenes remains challenging. Recent developments in electrochemical reactions pave the way to more practical cyanation protocols. However, currently available methods typically require hazardous cyanide sources, expensive mediators, and often suffer from narrow substrate scope and laborious reaction set-up. To address the limitations of current synthetic methods, herein, an effective, sustainable, and scalable procedure for the direct C(sp2 )-H cyanation of aromatic N-heterocycles with a user-friendly flow-electrochemical set-up is reported. Furthermore, high substrate and functional-group tolerance is demonstrated, allowing late-stage functionalization of drug-like scaffolds, such as natural products and pharmaceuticals.
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Affiliation(s)
- Mary-Ambre Carvalho
- Discovery Chemistry, Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - Samuël Demin
- Discovery Chemistry, Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
| | | | | | - Kevin Lam
- Department of Pharmaceutical, Chemical and Environmental Sciences, School of Science, University of Greenwich, Chatham Maritime, Kent, ME4 4TB, UK
| | - Frederik Rombouts
- Discovery Chemistry, Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
| | - Morgan Lecomte
- Discovery Chemistry, Janssen Research and Development, Turnhoutseweg 30, 2340, Beerse, Belgium
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12
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Soumya PK, Vaishak TB, Saranya S, Anilkumar G. Recent advances in the rhodium‐catalyzed cyanation reactions. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6340] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | | | - Salim Saranya
- School of Chemical Sciences Mahatma Gandhi University Kottayam Kerala India
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Kottayam Kerala India
- Advanced Molecular Materials Research Centre (AMMRC) Mahatma Gandhi University Kottayam Kerala India
- Institute for Integrated Programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Kottayam Kerala India
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13
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Zhang Y, Liu X, Wang Y, Zhang Y, Wang J, Hu L. KSeCN as an efficient cyanide source for the one-step synthesis of imino-1-oxoisoindolines via copper-promoted C–H activation. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Zhan Y, Li Y, Tong J, Liu P, Sun P. Electrochemical Oxidative C−H Cyanation of Quinoxalin‐2(1
H
)‐ones with TMSCN. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100348] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yanling Zhan
- College of Chemistry and Materials Science Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control Jiangsu Collaborative Innovation Center of Biomedical Functional Materials Nanjing Normal University Nanjing 210023 People's Republic of China
| | - Yifan Li
- College of Chemistry and Materials Science Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control Jiangsu Collaborative Innovation Center of Biomedical Functional Materials Nanjing Normal University Nanjing 210023 People's Republic of China
| | - Jinwen Tong
- College of Chemistry and Materials Science Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control Jiangsu Collaborative Innovation Center of Biomedical Functional Materials Nanjing Normal University Nanjing 210023 People's Republic of China
| | - Ping Liu
- College of Chemistry and Materials Science Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control Jiangsu Collaborative Innovation Center of Biomedical Functional Materials Nanjing Normal University Nanjing 210023 People's Republic of China
| | - Peipei Sun
- College of Chemistry and Materials Science Jiangsu Provincial Key Laboratory of Material Cycle Processes and Pollution Control Jiangsu Collaborative Innovation Center of Biomedical Functional Materials Nanjing Normal University Nanjing 210023 People's Republic of China
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15
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Dongbang S, Ellman JA. Synthesis of Nitrile Bearing Acyclic Quaternary Centers through Co(III)-Catalyzed Sequential C-H Bond Addition to Dienes and N-Cyanosuccinimide. Angew Chem Int Ed Engl 2021; 60:2135-2139. [PMID: 33017508 DOI: 10.1002/anie.202010735] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Indexed: 12/12/2022]
Abstract
Herein we disclose a three-component strategy to access quaternary centers bearing nitriles by cobalt-catalyzed C-H bond activation and sequential addition to internally substituted 1,3-dienes and an electrophilic cyanating reagent with high regio and stereocontrol. 2-Aryl and alkyl monosubstituted dienes provide α-aryl and α-alkyl α-methyl-substituted nitriles, respectively. An even wider variety of functionality can be installed at the quaternary carbon by using 1,2-disubstituted dienes. The synthetic utility of the nitrile products was successfully demonstrated by various transformations, including conversions to γ-lactones and tetrazoles. The observed connectivity in the products along with studies with deuterium labeled reactants provide insight into the mechanism. Formation of a 7-membered cobaltacycle by C-H activation and migratory insertion of the diene is followed by β-hydride elimination and hydride reinsertion to give a 6-membered cobaltacycle that then reacts with the cyanating agent.
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Affiliation(s)
- Sun Dongbang
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06520, USA
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06520, USA
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16
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Kumar P, Nagtilak PJ, Kapur M. Transition metal-catalyzed C–H functionalizations of indoles. NEW J CHEM 2021. [DOI: 10.1039/d1nj01696b] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
This review summarises a wide range of transformations on the indole skeleton, including arylation, alkenylation, alkynylation, acylation, nitration, borylation, and amidation, using transition-metal catalyzed C–H functionalization as the key step.
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Affiliation(s)
- Pravin Kumar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal Bypass Road, Bhauri, Bhopal 462066, MP, India
| | - Prajyot Jayadev Nagtilak
- 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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17
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Cheng HC, Guo PH, Ma JL, Hu XQ. Directing group strategies in catalytic sp2 C–H cyanations: scope, mechanism and limitations. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00241d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Directing group strategy in transition metal catalyzed sp2 C–H bond cyanation has contributed to the direct conversion of hydrocarbons to cyano-containing compounds. Recent developments in transition metal-mediated sp2 C–H bond cyanation using this strategy are reviewed.
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Affiliation(s)
- Hui-cheng Cheng
- College of Chemistry
- Guangdong University of Petrochemical Technology
- Maoming 525000
- PR China
| | - Peng-hu Guo
- College of Chemistry
- Guangdong University of Petrochemical Technology
- Maoming 525000
- PR China
| | - Jiao-li Ma
- College of Chemistry
- Guangdong University of Petrochemical Technology
- Maoming 525000
- PR China
| | - Xiao-Qiang Hu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science
- School of Chemistry and Materials Science
- South-Central University for Nationalities
- Wuhan 430074
- China
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18
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Carvalho RL, Almeida RG, Murali K, Machado LA, Pedrosa LF, Dolui P, Maiti D, da Silva Júnior EN. Removal and modification of directing groups used in metal-catalyzed C–H functionalization: the magical step of conversion into ‘conventional’ functional groups. Org Biomol Chem 2021; 19:525-547. [DOI: 10.1039/d0ob02232b] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This feature review is focused on recent approaches for removing versatile directing groups.
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Affiliation(s)
- Renato L. Carvalho
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Renata G. Almeida
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Karunanidhi Murali
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Luana A. Machado
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | | | - Pravas Dolui
- Department of Chemistry
- IIT Bombay
- Mumbai 400076
- India
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19
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Dongbang S, Ellman JA. Synthesis of Nitrile Bearing Acyclic Quaternary Centers through Co(III)‐Catalyzed Sequential C−H Bond Addition to Dienes and
N
‐Cyanosuccinimide. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010735] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Sun Dongbang
- Department of Chemistry Yale University 225 Prospect St. New Haven CT 06520 USA
| | - Jonathan A. Ellman
- Department of Chemistry Yale University 225 Prospect St. New Haven CT 06520 USA
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20
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Muhammad Siddique A, Neel Pulidindi I, Shen Z. RETRACTED: Metal-catalyzed cyanation of aromatic hydrocarbon with less toxic nitriles as a cyano source. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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Li J, Shi L, Zhang SP, Wang XY, Zhu X, Hao XQ, Song MP. Rh(III)-Catalyzed C-H Cyanation of 2 H-Indazole with N-Cyano- N-phenyl- p-toluenesulfonamide. J Org Chem 2020; 85:10835-10845. [PMID: 32692175 DOI: 10.1021/acs.joc.0c01386] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A Rh(III)-catalyzed direct cyanation of 2H-indazoles with N-cyano-N-phenyl-p-toluenesulfonamide has been realized via a chelation-assisted strategy. The methodology enables regioselective access to various ortho-cyanated phenylindazoles in good yields with a broad substrate scope and good functional group compatibility. The obtained cyanated indazoles could further be converted into other value-added chemicals. Importantly, the current protocol is featured with several characteristics, including a novel cyanating agent, good regioselectivity, and operational convenience.
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Affiliation(s)
- Jing Li
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Linlin Shi
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Shu-Ping Zhang
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Xu-Yan Wang
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Xinju Zhu
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Xin-Qi Hao
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Mao-Ping Song
- College of Chemistry, Zhengzhou University, No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
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22
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Singh J, Suryan A, Kumar S, Sharma S. Phthalazinone Scaffold: Emerging Tool in the Development of Target Based Novel Anticancer Agents. Anticancer Agents Med Chem 2020; 20:2228-2245. [PMID: 32767957 DOI: 10.2174/1871520620666200807220146] [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: 04/14/2020] [Revised: 07/02/2020] [Accepted: 07/03/2020] [Indexed: 11/22/2022]
Abstract
Phthalazinones are important nitrogen-rich heterocyclic compounds which have been a topic of considerable medicinal interest because of their diversified pharmacological activities. This versatile scaffold forms a common structural feature for many bioactive compounds, which leads to the design and development of novel anticancer drugs with fruitful results. The current review article discusses the progressive development of novel phthalazinone analogues that are targets for various receptors such as PARP, EGFR, VEGFR-2, Aurora kinase, Proteasome, Hedgehog pathway, DNA topoisomerase and P-glycoprotein. It describes mechanistic insights into the anticancer properties of phthalazinone derivatives and also highlights various simple and economical techniques for the synthesis of phthalazinones.
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Affiliation(s)
- Jyoti Singh
- Chandigarh College of Pharmacy, Landran, Punjab, India
| | - Amruta Suryan
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India
| | | | - Shweta Sharma
- Chandigarh College of Pharmacy, Landran, Punjab, India
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23
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Li Y, Lu Y, Qiao X, Huang W, Niu Y. In situ formation of 4-cyanopyridinecarboxylic acid and its polyacid doping coordination polymer for adsorption of organic dyes in wastewater. INORG CHEM COMMUN 2020. [DOI: 10.1016/j.inoche.2020.108002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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24
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Wang J, Sun B, Zhang L, Xu T, Xie Y, Jin C. Transition-metal-free direct C-3 cyanation of quinoxalin-2(1H)-ones with ammonium thiocyanate as the “CN” source. Org Chem Front 2020. [DOI: 10.1039/c9qo01055f] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A practical protocol for TBHP-mediated oxidative C–H cyanation of quinoxalin-2(1H)-ones utilizing ammonium thiocyanate as the cyanide source has been developed under metal free conditions.
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Affiliation(s)
- Jiayang Wang
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Bin Sun
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Liang Zhang
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Tengwei Xu
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Yuanyuan Xie
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
| | - Can Jin
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P. R. China
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25
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Xu S, Teng J, Yu JT, Sun S, Cheng J. Copper-Mediated Direct Cyanation of Heteroarene and Arene C–H Bonds by the Combination of Ammonium and DMF. Org Lett 2019; 21:9919-9923. [DOI: 10.1021/acs.orglett.9b03861] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Shengbo Xu
- School of Petrochemical Engineering and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Jiangang Teng
- School of Petrochemical Engineering and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Jin-Tao Yu
- School of Petrochemical Engineering and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Song Sun
- School of Petrochemical Engineering and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Jiang Cheng
- School of Petrochemical Engineering and Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, Changzhou University, Changzhou 213164, P. R. China
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26
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Liu M, You E, Cao W, Shi J. Rh(III)‐Catalyzed Direct C−H Cyanation of Arenes with
p
‐Toluenesulfonyl Cyanide. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900455] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mingliang Liu
- School of Environmental and Chemical EngineeringShanghai University 99 Shangda Road Shanghai 200444 P. R. China
- Shanghai Institute of MateriaMedicaChinese Academy of Sciences nstitution 501 Haike Road Shanghai 201203 P. R. China
| | - Erli You
- Shanghai Institute of MateriaMedicaChinese Academy of Sciences nstitution 501 Haike Road Shanghai 201203 P. R. China
| | - Weiguo Cao
- School of Environmental and Chemical EngineeringShanghai University 99 Shangda Road Shanghai 200444 P. R. China
- Department of Chemistry Innovative Drug Research CenterShanghai University 99 Shangda Road Shanghai 200444 P. R. China
| | - Jingjing Shi
- Shanghai Institute of MateriaMedicaChinese Academy of Sciences nstitution 501 Haike Road Shanghai 201203 P. R. China
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27
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Wang X, Makha M, Chen SW, Zheng H, Li Y. GaCl3-Catalyzed C–H Cyanation of Indoles with N-Cyanosuccinimide. J Org Chem 2019; 84:6199-6206. [DOI: 10.1021/acs.joc.9b00416] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Xue Wang
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100 P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, P. R. China
| | - Mohamed Makha
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, P. R. China
| | - Shu-Wei Chen
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100 P. R. China
| | - Huaiji Zheng
- College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100 P. R. China
| | - Yuehui Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, P. R. China
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28
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Sardarian AR, Dindarloo Inaloo I, Modarresi-Alam AR, Kleinpeter E, Schilde U. Metal-Free Regioselective Monocyanation of Hydroxy-, Alkoxy-, and Benzyloxyarenes by Potassium Thiocyanate and Silica Sulfuric Acid as a Cyanating Agent. J Org Chem 2019; 84:1748-1756. [DOI: 10.1021/acs.joc.8b02191] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Ali Reza Sardarian
- Chemistry Department, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran
| | - Iman Dindarloo Inaloo
- Chemistry Department, College of Sciences, Shiraz University, Shiraz 71946-84795, Iran
| | - Ali Reza Modarresi-Alam
- Chemistry Department, College of Sciences, University of Sistan and Baluchestan, Zahedan 98167-45845, Iran
| | - Erich Kleinpeter
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Strasse 24-25, Potsdam D-14476, Germany
| | - Uwe Schilde
- Institute of Chemistry, University of Potsdam, Karl-Liebknecht-Strasse 24-25, Potsdam D-14476, Germany
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29
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Li H, Zhang S, Yu X, Feng X, Yamamoto Y, Bao M. Rhodium(iii)-catalyzed aromatic C–H cyanation with dimethylmalononitrile as a cyanating agent. Chem Commun (Camb) 2019; 55:1209-1212. [DOI: 10.1039/c8cc08930b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Safe, bench-stable, and commercially available DMMN was used as a cyanating reagent in Rh(iii)-catalyzed aromatic C–H bond direct cyanation in the presence of copper oxide as a promotor.
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Affiliation(s)
- He Li
- State Key Laboratory of Fine Chemicals, Dalian University of Technology
- Dalian 116023
- China
| | - Sheng Zhang
- State Key Laboratory of Fine Chemicals, Dalian University of Technology
- Dalian 116023
- China
| | - Xiaoqiang Yu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology
- Dalian 116023
- China
| | - Xiujuan Feng
- State Key Laboratory of Fine Chemicals, Dalian University of Technology
- Dalian 116023
- China
| | - Yoshinori Yamamoto
- State Key Laboratory of Fine Chemicals, Dalian University of Technology
- Dalian 116023
- China
- WPI-Advanced Institute for Materials Research, Tohoku University
- Sendai 980-8577
| | - Ming Bao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology
- Dalian 116023
- China
- School of Petroleum and Chemical Engineering, Dalian University of Technology
- Panjin 124221
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30
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Zhang T, Qiao J, Song H, Xu F, Liu X, Xu C, Ma J, Liu H, Sun Z, Chu W. Cu(OAc)2-Mediated benzimidazole-directed C–H cyanation using 2-(4-methylpiperazin-1-yl)acetonitrile as the cyano source. NEW J CHEM 2019. [DOI: 10.1039/c9nj00776h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The C–H activation catalytic system was originally applied to the C(sp2)–H cyanation of aryls/heteroaryls to synthesize 2-(1H-benzo[d]imidazol-2-yl)aryl nitriles.
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31
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Deng C, Sun Y, Ren Y, Zhang W. Theoretical studies on Rh(iii)-catalyzed regioselective C-H bond cyanation of indole and indoline. Dalton Trans 2018; 48:168-175. [PMID: 30516212 DOI: 10.1039/c8dt04079f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Density functional theory calculations were carried out to study the reaction mechanism of the Rh(iii)-catalyzed regioselective C-H cyanation of indole and indoline with N-cyano-N-phenyl-para-methylbenzenesulfonamide (NCTS). This mechanism involves four major steps: C-H activation, cyano group insertion, β-N elimination, and regeneration of active species. How different indole and indoline substrates affect the regioselectivity of C-H bond cyanation has been examined and analyzed in detail. Our calculation results indicate that the regioselectivity of C-H bond cyanation of indole depends on the nucleophilicity of carbon atoms in C-Rh(iii) bonds to the cyano group. For indoline, it can be attributed to the different hybridization platforms of the C-H bond activation.
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Affiliation(s)
- Chao Deng
- Jiangsu Key Laboratory of Pesticide Science, College of Sciences, Nanjing Agricultural University, Nanjing 210095, P. R. China.
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32
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Ghorai J, Reddy ACS, Anbarasan P. Divergent Functionalization of N-Alkyl-2-alkenylanilines: Efficient Synthesis of Substituted Indoles and Quinolines. Chem Asian J 2018; 13:2499-2504. [PMID: 29697205 DOI: 10.1002/asia.201800441] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 04/24/2018] [Indexed: 11/10/2022]
Abstract
An efficient divergent functionalization of N-alkylated ortho-alkenylanilines to substituted indoles and quinolines has been accomplished by employing rhodium-catalyzed cross-dehydrogenative coupling and silver-mediated oxidative cyclization, respectively. The developed methods tolerate various functional groups and allow the synthesis of substituted indoles and quinolines in good to excellent yield. Synthetic utility is demonstrated through conversion to an indole with antimicrobial activity and C-H bond functionalization of 2-arylquinolines. Furthermore, a plausible mechanism was proposed based on preliminary mechanistic investigations.
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Affiliation(s)
- Jayanta Ghorai
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | | | - Pazhamalai Anbarasan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
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33
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Sambiagio C, Schönbauer D, Blieck R, Dao-Huy T, Pototschnig G, Schaaf P, Wiesinger T, Zia MF, Wencel-Delord J, Besset T, Maes BUW, Schnürch M. A comprehensive overview of directing groups applied in metal-catalysed C-H functionalisation chemistry. Chem Soc Rev 2018; 47:6603-6743. [PMID: 30033454 PMCID: PMC6113863 DOI: 10.1039/c8cs00201k] [Citation(s) in RCA: 1105] [Impact Index Per Article: 184.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Indexed: 12/20/2022]
Abstract
The present review is devoted to summarizing the recent advances (2015-2017) in the field of metal-catalysed group-directed C-H functionalisation. In order to clearly showcase the molecular diversity that can now be accessed by means of directed C-H functionalisation, the whole is organized following the directing groups installed on a substrate. Its aim is to be a comprehensive reference work, where a specific directing group can be easily found, together with the transformations which have been carried out with it. Hence, the primary format of this review is schemes accompanied with a concise explanatory text, in which the directing groups are ordered in sections according to their chemical structure. The schemes feature typical substrates used, the products obtained as well as the required reaction conditions. Importantly, each example is commented on with respect to the most important positive features and drawbacks, on aspects such as selectivity, substrate scope, reaction conditions, directing group removal, and greenness. The targeted readership are both experts in the field of C-H functionalisation chemistry (to provide a comprehensive overview of the progress made in the last years) and, even more so, all organic chemists who want to introduce the C-H functionalisation way of thinking for a design of straightforward, efficient and step-economic synthetic routes towards molecules of interest to them. Accordingly, this review should be of particular interest also for scientists from industrial R&D sector. Hence, the overall goal of this review is to promote the application of C-H functionalisation reactions outside the research groups dedicated to method development and establishing it as a valuable reaction archetype in contemporary R&D, comparable to the role cross-coupling reactions play to date.
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Affiliation(s)
- Carlo Sambiagio
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - David Schönbauer
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Remi Blieck
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Toan Dao-Huy
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Gerit Pototschnig
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Patricia Schaaf
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Thomas Wiesinger
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Muhammad Farooq Zia
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Joanna Wencel-Delord
- Laboratoire de Chimie Moléculaire (UMR CNRS 7509)
, Université de Strasbourg
,
ECPM 25 Rue Becquerel
, 67087 Strasbourg
, France
| | - Tatiana Besset
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Bert U. W. Maes
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - Michael Schnürch
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
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34
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35
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Yu L, Chen X, Song ZN, Liu D, Hu L, Yu Y, Tan Z, Gui Q. Selective Synthesis of Aryl Nitriles and 3-Imino-1-oxoisoindolines via Nickel-Promoted C(sp 2)-H Cyanations. Org Lett 2018; 20:3206-3210. [PMID: 29787284 DOI: 10.1021/acs.orglett.8b01056] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An efficient nickel-promoted selective monocyanation of benzamides with TMSCN via 8-aminoquinoline directed ortho C-H activation has been developed. Varieties of functionalized ortho-cyanated (hetero)aryl nitriles can be selectively synthesized in moderate to good yields. These cyanation products can be easily transformed into various 3-imino-1-oxoisoindolines in a one-pot procedure. The mild reaction conditions, use of cheap and commercially available reagents, wide functional group tolerance, and operational convenience make this protocol practical to the synthetic community.
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Affiliation(s)
- Lin Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Xiang Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Ze-Nan Song
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Da Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Liang Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Yongqi Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Ze Tan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China
| | - Qingwen Gui
- College of Science , Hunan Agricultural University , Changsha 410128 , P. R. China
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36
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Cui J, Song J, Liu Q, Liu H, Dong Y. Transition-Metal-Catalyzed Cyanation by Using an Electrophilic Cyanating Agent, N
-Cyano-N
-phenyl-p
-toluenesulfonamide (NCTS). Chem Asian J 2018; 13:482-495. [PMID: 29446549 DOI: 10.1002/asia.201701611] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 01/12/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Jie Cui
- School of Chemistry and Chemical Engineering; Shandong University of Technology; 266 West Xincun Road Zibo 255049 P. R. China
| | - Jian Song
- School of Chemistry and Chemical Engineering; Shandong University of Technology; 266 West Xincun Road Zibo 255049 P. R. China
| | - Qing Liu
- School of Chemistry and Chemical Engineering; Shandong University of Technology; 266 West Xincun Road Zibo 255049 P. R. China
| | - Hui Liu
- School of Chemistry and Chemical Engineering; Shandong University of Technology; 266 West Xincun Road Zibo 255049 P. R. China
| | - Yunhui Dong
- School of Chemistry and Chemical Engineering; Shandong University of Technology; 266 West Xincun Road Zibo 255049 P. R. China
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37
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Boosa V, Bilakanti V, Velisoju VK, Gutta N, Inkollu S, Akula V. An insight on the influence of surface Lewis acid sites for regioselective C H bond C3-cyanation of indole using NH4I and DMF as combined cyanide source over Cu/SBA-15 catalyst. MOLECULAR CATALYSIS 2018. [DOI: 10.1016/j.mcat.2017.11.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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38
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Yu X, Tang J, Jin X, Yamamoto Y, Bao M. Manganese-Catalyzed C−H Cyanation of Arenes with N
-Cyano-N-(
4-methoxy)phenyl-p
-toluenesulfonamide. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201700628] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Xiaoqiang Yu
- State Key Laboratory of Fine Chemicals; Dalian Universi ty of Technology; Dalian 116023 China
| | - Jingjing Tang
- State Key Laboratory of Fine Chemicals; Dalian Universi ty of Technology; Dalian 116023 China
| | - Xinxin Jin
- State Key Laboratory of Fine Chemicals; Dalian Universi ty of Technology; Dalian 116023 China
| | - Yoshinori Yamamoto
- State Key Laboratory of Fine Chemicals; Dalian Universi ty of Technology; Dalian 116023 China
- WPI-AIMR (WPI-Advanced Institute for Materials Research); Tohoku University; Sendai 980-8577 Japan
| | - Ming Bao
- State Key Laboratory of Fine Chemicals; Dalian Universi ty of Technology; Dalian 116023 China
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39
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An overview on the progress and development on metals/non-metal catalyzed cyanation reactions. Inorganica Chim Acta 2018. [DOI: 10.1016/j.ica.2017.09.058] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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40
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Ghorai J, Chaitanya M, Anbarasan P. Cp*Co(iii)-catalysed selective alkylation of C–H bonds of arenes and heteroarenes with α-diazocarbonyl compounds. Org Biomol Chem 2018; 16:7346-7350. [DOI: 10.1039/c8ob02111b] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cp*Co(iii)-catalysed selective alkylation of directed C–H bonds of arenes and heteroarenes has been accomplished employing donor–acceptor carbenes, derived from α-diazocarbonyl compounds.
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Affiliation(s)
- Jayanta Ghorai
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai – 600036
- India
| | - Manthena Chaitanya
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai – 600036
- India
| | - Pazhamalai Anbarasan
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai – 600036
- India
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41
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Qiao K, Zhang D, Zhang K, Yuan X, Zheng MW, Guo TF, Fang Z, Wan L, Guo K. Iron(ii)-catalyzed C-2 cyanomethylation of indoles and pyrroles via direct oxidative cross-dehydrogenative coupling with acetonitrile derivatives. Org Chem Front 2018. [DOI: 10.1039/c7qo01086a] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A novel and efficient approach for the C(sp2)–H/C(sp3)–H oxidative coupling of indoles and pyrroles with acetonitrile derivatives was reported by using the Fe(ii) complex.
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Affiliation(s)
- Kai Qiao
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Dong Zhang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Kai Zhang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Xin Yuan
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Ming-Wei Zheng
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Tian-Fo Guo
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Li Wan
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
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42
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Chaitanya M, Anbarasan P. Recent developments and applications of cyanamides in electrophilic cyanation. Org Biomol Chem 2018; 16:7084-7103. [DOI: 10.1039/c8ob01770k] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This review summarizes the recent developments and applications of readily accessible cyanamides in the electrophilic cyanation of various nucleophiles.
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Affiliation(s)
- Manthena Chaitanya
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai-600036
- India
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43
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Affiliation(s)
- Guobing Yan
- Department of Chemistry; Lishui University; Lishui Zhejiang 323000 People's Republic of China
| | - Yan Zhang
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; College of Chemistry; Peking University; Beijing 100871 People's Republic of China
| | - Jianbo Wang
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; College of Chemistry; Peking University; Beijing 100871 People's Republic of China
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44
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Zeidan N, Bognar S, Lee S, Lautens M. Palladium-Catalyzed Synthesis of 2-Cyanoindoles from 2-gem-Dihalovinylanilines. Org Lett 2017; 19:5058-5061. [DOI: 10.1021/acs.orglett.7b02244] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Nicolas Zeidan
- Davenport Research
Laboratories,
Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Sabine Bognar
- Davenport Research
Laboratories,
Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Sophia Lee
- Davenport Research
Laboratories,
Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
| | - Mark Lautens
- Davenport Research
Laboratories,
Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada
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45
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Affiliation(s)
- Kuppan Ramachandran
- Department of Chemistry; Indian Institute of Technology Madras; 600036 Chennai India
| | - Pazhamalai Anbarasan
- Department of Chemistry; Indian Institute of Technology Madras; 600036 Chennai India
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46
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Zhu X, Shen XJ, Tian ZY, Lu S, Tian LL, Liu WB, Song B, Hao XQ. Rhodium-Catalyzed Direct Bis-cyanation of Arylimidazo[1,2-α]pyridine via Double C-H Activation. J Org Chem 2017; 82:6022-6031. [PMID: 28581299 DOI: 10.1021/acs.joc.6b03036] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
An efficient Cp*Rh(III)-catalyzed selective bis-cyanation of arylimidazo[1,2-α]pyridines with N-cyano-N-phenyl-p-methylbenzenesulfonamide via N-directed ortho double C-H activation has been developed. The reaction proceeds with broad functional group tolerance to furnish various cyanated imidazopyridines in high yields. The current methodology exhibits unique characteristics, including high bis-cyanation selectivity, operational convenience, and gram-scale production.
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Affiliation(s)
- Xinju Zhu
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Xiao-Jing Shen
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Zi-Yao Tian
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Shuai Lu
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Lu-Lu Tian
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Wen-Bo Liu
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Bing Song
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
| | - Xin-Qi Hao
- College of Chemistry and Molecular Engineering, School of Life Sciences, Zhengzhou University , No. 100 of Science Road, Zhengzhou, Henan 450001, P. R. China
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47
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Recent Advances in Cyanamide Chemistry: Synthesis and Applications. Molecules 2017; 22:molecules22040615. [PMID: 28417938 PMCID: PMC6154562 DOI: 10.3390/molecules22040615] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 04/06/2017] [Accepted: 04/07/2017] [Indexed: 11/17/2022] Open
Abstract
The application of alkyl and aryl substituted cyanamides in synthetic chemistry has diversified multi-fold in recent years. In this review, we discuss recent advances (since 2012) in the chemistry of cyanamides and detail their application in cycloaddition chemistry, aminocyanation reactions, as well as electrophilic cyanide-transfer agents and their unique radical and coordination chemistry.
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48
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Jiang L, Peng X, Huang P, Chen Z, Liu L. TEMPO-catalyzed oxidative dimerization and cyanation of indoles for the synthesis of 2-(1H-indol-3-yl)-3-oxoindoline-2-carbonitriles. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.01.032] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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49
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Ping L, Chung DS, Bouffard J, Lee SG. Transition metal-catalyzed site- and regio-divergent C–H bond functionalization. Chem Soc Rev 2017; 46:4299-4328. [DOI: 10.1039/c7cs00064b] [Citation(s) in RCA: 354] [Impact Index Per Article: 50.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The regioselectivity of C–H functionalization reactions can be redirected to obtain regioisomeric products form the same starting materials.
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Affiliation(s)
- Lucy Ping
- Department of Chemistry and Nano Science (BK 21 Plus)
- Ewha Womans University
- 03760 Seoul
- Korea
| | - Da Sol Chung
- Department of Chemistry and Nano Science (BK 21 Plus)
- Ewha Womans University
- 03760 Seoul
- Korea
| | - Jean Bouffard
- Department of Chemistry and Nano Science (BK 21 Plus)
- Ewha Womans University
- 03760 Seoul
- Korea
| | - Sang-gi Lee
- Department of Chemistry and Nano Science (BK 21 Plus)
- Ewha Womans University
- 03760 Seoul
- Korea
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50
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Liao ZY, Liao PY, Chien TC. CuI-Catalyzed intramolecular aminocyanation of terminal alkynes in N-(2-ethynylphenyl)-N-sulfonylcyanamides via Cu-vinylidene intermediates. Chem Commun (Camb) 2016; 52:14404-14407. [PMID: 27896336 DOI: 10.1039/c6cc08601b] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
CuI-Catalyzed intramolecular aminocyanation of terminal alkynes in N-(2-ethynylphenyl)-N-sulfonylcyanamides was initiated by the formation of Cu-acetylide to trigger N-CN bond cleavage of the N-sulfonylcyanamide moiety followed by CN migration to form a β-cyano Cu-vinylidene intermediate. Subsequently, the indole ring closure furnished the corresponding 1-sulfonyl-3-cyanoindoles.
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Affiliation(s)
- Zhen-Yuan Liao
- Department of Chemistry, National Taiwan Normal University, No. 88, Sec. 4, Ting-Zhou Road, Taipei 11677, Taiwan.
| | - Pen-Yuan Liao
- Department of Chemistry, National Taiwan Normal University, No. 88, Sec. 4, Ting-Zhou Road, Taipei 11677, Taiwan.
| | - Tun-Cheng Chien
- Department of Chemistry, National Taiwan Normal University, No. 88, Sec. 4, Ting-Zhou Road, Taipei 11677, Taiwan.
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