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Roy S, Panja S, Sahoo SR, Chatterjee S, Maiti D. Enroute sustainability: metal free C-H bond functionalisation. Chem Soc Rev 2023; 52:2391-2479. [PMID: 36924227 DOI: 10.1039/d0cs01466d] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
The term "C-H functionalisation" incorporates C-H activation followed by its transformation. In a single line, this can be defined as the conversion of carbon-hydrogen bonds into carbon-carbon or carbon-heteroatom bonds. The catalytic functionalisation of C-H bonds using transition metals has emerged as an atom-economical technique to engender new bonds without activated precursors which can be considered as a major drawback while attempting large-scale synthesis. Replacing the transition-metal-catalysed approach with a metal-free strategy significantly offers an alternative route that is not only inexpensive but also environmentally benign to functionalize C-H bonds. Recently metal free synthetic approaches have been flourishing to functionalize C-H bonds, motivated by the search for greener, cost-effective, and non-toxic catalysts. In this review, we will highlight the comprehensive and up-to-date discussion on recent examples of ground-breaking research on green and sustainable metal-free C-H bond functionalisation.
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Affiliation(s)
- Sayan Roy
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Subir Panja
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Sumeet Ranjan Sahoo
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Sagnik Chatterjee
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India. .,Department of Interdisciplinary Program in Climate Studies, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
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2
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Sonam, Shinde VN, Rangan K, Kumar A. Selectfluor-Mediated Regioselective C-3 Alkoxylation, Amination, Sulfenylation, and Selenylation of Quinoxalin-2(1 H)-ones. J Org Chem 2023; 88:2344-2357. [PMID: 36735722 DOI: 10.1021/acs.joc.2c02756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A Selectfluor-promoted oxidative coupling of quinoxalin-2(1H)-ones with alcohols, amines, thiols, and selenols leading to the formation of C-O, C-N, C-S, and C-Se bonds has been developed. The protocol provided good to excellent (53-95%) yields of a wide range of quinoxalin-2(1H)-ones decorated with alkoxy, alkylamino, alkylthio, and arylselenyl groups at the C3-position under metal- and photocatalyst-free conditions. The reaction is believed to proceed through a radical pathway. A broad substrate scope including bioactive molecules, mild reaction conditions, readily available coupling partners, high yields, scalability, step-economy, and metal- and photocatalyst-free conditions are the highlighting features of the method. The synthetic utility of the developed protocol was demonstrated by gram-scale synthesis, C3-alkoxylation of quinoxaline-2(1H)-one with natural alcohols, and synthesis of aldose reductase (ALR2) inhibitor and histamine-4 receptor antagonist in good yields.
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Affiliation(s)
- Sonam
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India
| | - Vikki N Shinde
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India
| | - Krishnan Rangan
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Hyderabad Campus, Telangana 500078, India
| | - Anil Kumar
- Department of Chemistry, Birla Institute of Technology and Science, Pilani, Pilani Campus, Rajasthan 333031, India
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Monsigny L, Doche F, Besset T. Transition-metal-catalyzed C-H bond activation as a sustainable strategy for the synthesis of fluorinated molecules: an overview. Beilstein J Org Chem 2023; 19:448-473. [PMID: 37123090 PMCID: PMC10130906 DOI: 10.3762/bjoc.19.35] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 03/24/2023] [Indexed: 05/02/2023] Open
Abstract
The last decade has witnessed the emergence of innovative synthetic tools for the synthesis of fluorinated molecules. Among these approaches, the transition-metal-catalyzed functionalization of various scaffolds with a panel of fluorinated groups (XRF, X = S, Se, O) offered straightforward access to high value-added compounds. This review will highlight the main advances made in the field with the transition-metal-catalyzed functionalization of C(sp2) and C(sp3) centers with SCF3, SeCF3, or OCH2CF3 groups among others, by C-H bond activation. The scope and limitations of these transformations are discussed in this review.
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Affiliation(s)
- Louis Monsigny
- Normandie University, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Floriane Doche
- Normandie University, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Tatiana Besset
- Normandie University, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
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Wu H, Zhou M, Qiao L, Zhang P. Synthesis of fluoroolefin derivatives by nickel(II)-catalyzed trifluorovinylation and 1,2,2-trifluoroethylation of cinnamyl alcohols. Org Biomol Chem 2022; 20:6537-6541. [PMID: 35900033 DOI: 10.1039/d2ob01078j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nickel(II)-catalyzed regioselective trifluorovinylation and 1,2,2-trifluoroethylation of allyl alcohols with trifluorovinyl reagents were performed. The reaction of (E)-3-phenylprop-2-en-1-ol and trifluorovinylzinc bromide (TFVZ) afforded 1,2,2-trifluorovinyl diene in moderate to high yields. The reaction of (E)-3-phenylprop-2-en-1-ol and trifluorovinyl trimethylsilane (TFVTMS) resulted in the novel nucleophilic addition product 1,1,2-trifluoroethoxy aryl olefin.
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Affiliation(s)
- Haifeng Wu
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, China.,College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, China
| | - Min Zhou
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, China
| | - Li Qiao
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, China
| | - Pengfei Zhang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, China.,College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, China
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A HCl-Mediated, Metal- and Oxidant-Free Photocatalytic Strategy for C3 Arylation of Quinoxalin(on)es with Arylhydrazine. Catalysts 2022. [DOI: 10.3390/catal12060633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A novel and simple HCl-mediated, photocatalytic method for quinoxaline(on)es C3-H arylation with arylhydrazine under transition metal catalyst- and oxidant-free conditions is presented. Various quinoxaline(on)es underwent this transformation smoothly, demonstrating a broad substrate tolerance and providing the corresponding aryl products in moderate to excellent yields. Mechanistic studies indicated that a radical pathway may be involved in this transformation.
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Yuan YR, Li L, Bu X, Wang X, Sun R, Zhou MD, Wang H. Visible‐Light Photoredox‐Catalyzed Three‐Component Difluoromethylative Heteroarylation of Unactivated Alkenes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200139] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Ya-Ru Yuan
- Liaoning petrochemical University School of Petrochemical Engineering CHINA
| | - Lei Li
- Liaoning petrochemical University School of Petrochemical Engineering CHINA
| | - Xiubin Bu
- Shenyang Normal University Institute of Catalysis for Energy and Environment, College of Chemistry & Chemical Engineering CHINA
| | - Xin Wang
- Liaoning petrochemical University School of Petrochemical Engineering CHINA
| | - Ran Sun
- Liaoning petrochemical University School of Petrochemical Engineering CHINA
| | - Ming-Dong Zhou
- Liaoning petrochemical University School of Petrochemical Engineering CHINA
| | - He Wang
- Liaoning Shihua University School of Chemistry and Materials Science Dandong road 1, Wanghua District 113001 Fushun CHINA
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Song S, Shi X, Zhu Y, Ren Q, Zhou P, Zhou J, Li J. Electrochemical Oxidative C-H Arylation of Quinoxalin(on)es with Arylhydrazine Hydrochlorides under Mild Conditions. J Org Chem 2022; 87:4764-4776. [PMID: 35319891 DOI: 10.1021/acs.joc.2c00043] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A practical and scalable protocol for electrochemical arylation of quinoxalin(on)es with arylhydrazine hydrochlorides under mild conditions has been developed. This method exhibits high efficiency, easy scalability, and broad functional group tolerance. Various quinoxalin(on)es and arylhydrazines underwent this transformation smoothly in an undivided cell, providing the corresponding aryl-substituted quinoxalin(on)es in moderate to good yields. A radical mechanism is involved in this arylation reaction.
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Affiliation(s)
- Shengjie Song
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Xiangjun Shi
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yunsheng Zhu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Quanlei Ren
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Peng Zhou
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Jiadi Zhou
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Jianjun Li
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, P. R. China.,Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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Zhang L, He J, Zhang P, Zheng K, Shen C. Visible-light-induced decarboxylative alkylation of quinoxalin-2(1H)-ones with phenyliodine(III) dicarboxylates by cerium photocatalysis. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112145] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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9
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You G, Yan J. A CF
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Na‐Mediated Photocatalytic Strategy for Aerobic C3‐H Fluoroalkoxylation of Quinoxalinones with Fluoroalkyl Alcohols. ChemistrySelect 2021. [DOI: 10.1002/slct.202103693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Guirong You
- College of Pharmaceutical Science Zhejiang University of Technology Hangzhou 310014 China
- Pharmacy College Shandong First Medical University (Shandong Academy of Medical Sciences) Taian 271000 China
| | - Jizhong Yan
- College of Pharmaceutical Science Zhejiang University of Technology Hangzhou 310014 China
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10
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Sun K, Xiao F, Yu B, He WM. Photo-/electrocatalytic functionalization of quinoxalin-2(1H)-ones. CHINESE JOURNAL OF CATALYSIS 2021. [DOI: 10.1016/s1872-2067(21)63850-0] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ruyet L, Poisson T, Besset T. Transition Metal‐Free Regioselective Remote C−H Bond 2,2,2‐Trifluoroethoxylation of 8‐Aminoquinoline Derivatives at the C5 Position. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Louise Ruyet
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
| | - Thomas Poisson
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
- Institut Universitaire de France 75231 Paris France
| | - Tatiana Besset
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
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12
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Guo J, Zhang L, Du X, Zhang L, Cai Y, Xia Q. Metal‐Free Direct Oxidative C−N Bond Coupling of Quinoxalin‐2(1
H
)‐ones with Azoles under Mild Conditions. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100269] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jingwen Guo
- School of Pharmaceutical Sciences Wenzhou Medical University Wenzhou 325035 P. R. China
| | - Lina Zhang
- School of Pharmaceutical Sciences Wenzhou Medical University Wenzhou 325035 P. R. China
| | - Xinyue Du
- School of Pharmaceutical Sciences Wenzhou Medical University Wenzhou 325035 P. R. China
| | - Liting Zhang
- School of Pharmaceutical Sciences Wenzhou Medical University Wenzhou 325035 P. R. China
| | - Yuepiao Cai
- School of Pharmaceutical Sciences Wenzhou Medical University Wenzhou 325035 P. R. China
| | - Qinqin Xia
- School of Pharmaceutical Sciences Wenzhou Medical University Wenzhou 325035 P. R. China
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Zhang H, Yang Z, Zhang H, Han Y, Zhao J, Zhang Y. The Cross‐Dehydrogenative Coupling Reaction of β‐Ketoesters with Quinoxalin‐2(1
H
)‐ones. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100310] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Hong‐Yu Zhang
- School of Chemical Engineering and Technology Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving Tianjin Key Laboratory of Chemical Process Safety Hebei University of Technology Tianjin 300130 P. R. China
| | - Zibing Yang
- School of Chemical Engineering and Technology Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving Tianjin Key Laboratory of Chemical Process Safety Hebei University of Technology Tianjin 300130 P. R. China
| | - Huizhen Zhang
- School of Chemical Engineering and Technology Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving Tianjin Key Laboratory of Chemical Process Safety Hebei University of Technology Tianjin 300130 P. R. China
| | - Ya‐Ping Han
- School of Chemical Engineering and Technology Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving Tianjin Key Laboratory of Chemical Process Safety Hebei University of Technology Tianjin 300130 P. R. China
| | - Jiquan Zhao
- School of Chemical Engineering and Technology Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving Tianjin Key Laboratory of Chemical Process Safety Hebei University of Technology Tianjin 300130 P. R. China
| | - Yuecheng Zhang
- School of Chemical Engineering and Technology Hebei Provincial Key Lab of Green Chemical Technology & High Efficient Energy Saving Tianjin Key Laboratory of Chemical Process Safety Hebei University of Technology Tianjin 300130 P. R. China
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Su HY, Zhu XL, Huang Y, Xu XH, Qing FL. Copper-catalyzed chemoselective C-H functionalization of quinoxalin-2(1 H)-ones with hexafluoroisopropanol. Chem Commun (Camb) 2020; 56:12805-12808. [PMID: 32966399 DOI: 10.1039/d0cc05623e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
An unexpected three-component reaction of quinoxalin-2(1H)-ones, tert-butyl peroxybenzoate (TBPB), and hexafluoroisopropanol (HFIP) is described. Under CuBr-catalyzed and TBPB-oxidized conditions, a variety of hydroxyhexafluoroisobutylated quinoxalin-2(1H)-ones were formed. Furthermore, the first hexafluoroisopropoxylation of the quinoxalin-2(1H)-ones with HFIP is also demonstrated with Cu2O as the catalyst and PhI(OAc)2 as the oxidant. These new transformations of HFIP furnish previously unknown and potentially useful fluorinated quinoxalin-2(1H)-one derivatives.
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Affiliation(s)
- Hai-Yan Su
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai 201620, China.
| | - Xiao-Lei Zhu
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai 201620, China.
| | - Yangen Huang
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai 201620, China.
| | - Xiu-Hua Xu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Science, 345 Lingling Lu, Shanghai 200032, China.
| | - Feng-Ling Qing
- College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, 2999 North Renmin Lu, Shanghai 201620, China. and Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Science, Chinese Academy of Science, 345 Lingling Lu, Shanghai 200032, China.
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Direct Introduction of Sulfonamide Groups into Quinoxalin‐2(1
H
)‐ones by Cu‐Catalyzed C3‐H Functionalization. Chem Asian J 2020; 15:3365-3369. [DOI: 10.1002/asia.202000916] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Indexed: 12/14/2022]
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Rostoll‐Berenguer J, Blay G, Pedro JR, Vila C. Recent Advances in Photocatalytic Functionalization of Quinoxalin‐2‐ones. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000746] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Jaume Rostoll‐Berenguer
- Departament de Química Orgànica Facultat de Química Universitat de València Dr. Moliner 50 46100 Burjassot, València Spain
| | - Gonzalo Blay
- Departament de Química Orgànica Facultat de Química Universitat de València Dr. Moliner 50 46100 Burjassot, València Spain
| | - José R. Pedro
- Departament de Química Orgànica Facultat de Química Universitat de València Dr. Moliner 50 46100 Burjassot, València Spain
| | - Carlos Vila
- Departament de Química Orgànica Facultat de Química Universitat de València Dr. Moliner 50 46100 Burjassot, València Spain
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