1
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Il'in MV, Polonnikov DA, Novikov AS, Sysoeva AA, Safinskaya YV, Bolotin DS. Influence of Coordination to Silver(I) Centers on the Activity of Heterocyclic Iodonium Salts Serving as Halogen-Bond-Donating Catalysts. Chempluschem 2023; 88:e202300304. [PMID: 37675949 DOI: 10.1002/cplu.202300304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/06/2023] [Accepted: 09/07/2023] [Indexed: 09/08/2023]
Abstract
Kinetic data based on 1 H NMR monitoring and computational studies indicate that in solution, pyrazole-containing iodonium triflates and silver(I) triflate bind to each other, and such an interplay results in the decrease of the total catalytic activity of the mixture of these Lewis acids compared to the separate catalysis of the Schiff condensation, the imine-isocyanide coupling, or the nucleophilic attack on a triple carbon-carbon bond. Moreover, the kinetic data indicate that such a cooperation with the silver(I) triflate results in prevention of decomposition of the iodonium salts during the reaction progress. XRD study confirms that the pyrazole-containing iodonium triflate coordinates to the silver(I) center via the pyrazole N atom to produce a rare example of a pentacoordinated trigonal bipyramidal dinuclear silver(I) complex featuring cationic ligands.
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Affiliation(s)
- Mikhail V Il'in
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russia
| | - Denis A Polonnikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russia
| | - Alexander S Novikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russia
- Research Institute of Chemistry, Рeoples' Friendship University of Russia (RUDN University), Miklukho-Maklaya St. 6, Moscow, 117198, Russia
| | - Alexandra A Sysoeva
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russia
| | - Yana V Safinskaya
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russia
| | - Dmitrii S Bolotin
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russia
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2
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Yuan C, Pan C. Recent Advances in the N-Aryl C—H Functionalization Using 7-Azaindole as Intrinsic Directing Group. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202205034] [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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3
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Sanjeam H, Kuhakarn C, Leowanawat P, Reutrakul V, Soorukram D. Nitration of N-acetyl anilides using silver(I) nitrate/persulfate combination. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2081924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Hathaichanok Sanjeam
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Chutima Kuhakarn
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Pawaret Leowanawat
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Vichai Reutrakul
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Bangkok, Thailand
| | - Darunee Soorukram
- Department of Chemistry and Center of Excellence for Innovation in Chemistry (PERCH-CIC), Faculty of Science, Mahidol University, Bangkok, Thailand
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4
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Jia C, Wu N, Li G, Cui X. meta-Allylation of Arenes via Ruthenium-Catalyzed Cross-Dehydrogenative Coupling. J Org Chem 2022; 87:6934-6941. [PMID: 35486707 DOI: 10.1021/acs.joc.2c00332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A successful example of oxidative meta-dehydrogenative allylation of arenes with alkenes has been developed using Ru(PPh3)3Cl2 as a catalyst and DTBP as an oxidant. In the allylation process, pyrimidines, pyrazoles, and purines, found widely in nucleosides, were effective auxiliary groups. Gram-scale experiments took place smoothly under optimized conditions. Mechanistic studies indicated that ruthenium-catalyzed meta-dehydrogenative allylation was a free-radical process. The allylation process developed herein provides an efficient and practical strategy to prepare versatile meta-allylated arenes.
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Affiliation(s)
- Chunqi Jia
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
| | - Nini Wu
- College of Chemistry and Chemical Engineering, Henan Provincial Engineering and Technology Research Center for Precise Synthesis of Fluorine-Containing Drugs, Anyang Normal University, Anyang 455002, P. R. China
| | - Gang Li
- College of Chemistry and Chemical Engineering, Henan Provincial Engineering and Technology Research Center for Precise Synthesis of Fluorine-Containing Drugs, Anyang Normal University, Anyang 455002, P. R. China
| | - Xiuling Cui
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
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5
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Kopf S, Bourriquen F, Li W, Neumann H, Junge K, Beller M. Recent Developments for the Deuterium and Tritium Labeling of Organic Molecules. Chem Rev 2022; 122:6634-6718. [PMID: 35179363 DOI: 10.1021/acs.chemrev.1c00795] [Citation(s) in RCA: 141] [Impact Index Per Article: 70.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Organic compounds labeled with hydrogen isotopes play a crucial role in numerous areas, from materials science to medicinal chemistry. Indeed, while the replacement of hydrogen by deuterium gives rise to improved absorption, distribution, metabolism, and excretion (ADME) properties in drugs and enables the preparation of internal standards for analytical mass spectrometry, the use of tritium-labeled compounds is a key technique all along drug discovery and development in the pharmaceutical industry. For these reasons, the interest in new methodologies for the isotopic enrichment of organic molecules and the extent of their applications are equally rising. In this regard, this Review intends to comprehensively discuss the new developments in this area over the last years (2017-2021). Notably, besides the fundamental hydrogen isotope exchange (HIE) reactions and the use of isotopically labeled analogues of common organic reagents, a plethora of reductive and dehalogenative deuteration techniques and other transformations with isotope incorporation are emerging and are now part of the labeling toolkit.
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Affiliation(s)
- Sara Kopf
- Leibniz-Institut für Katalyse e. V., 18059 Rostock, Germany
| | | | - Wu Li
- Leibniz-Institut für Katalyse e. V., 18059 Rostock, Germany
| | | | - Kathrin Junge
- Leibniz-Institut für Katalyse e. V., 18059 Rostock, Germany
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6
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Li WP, Cheng G, Li SY, Lin CZ, Guan XY, Bing DX, Cao J, Zhu D, Deng QH. Acid-Free Copper-Catalyzed Electrophilic Nitration of Electron-Rich Arenes with Guanidine Nitrate. J Org Chem 2022; 87:3834-3840. [PMID: 35168320 DOI: 10.1021/acs.joc.1c03020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A practical copper-catalyzed nitration of electron-rich arenes with trimethylsilyl chloride and guanidine nitrate is reported. A variety of nitrated products were generated in moderate to excellent yields (32-99%) at ambient temperature under acid-free, open-flask, and operationally simple conditions.
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Affiliation(s)
- Wen-Pei Li
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Guo Cheng
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Si-Yuan Li
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Cheng-Zhou Lin
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Xiao-Yu Guan
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - De-Xian Bing
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Jing Cao
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Di Zhu
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Qing-Hai Deng
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, and Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
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7
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Kudale VS, Chu CP, Wang JJ. Selective C 3-nitrosation of imidazopyridines using AgNO 3 as the NO source. NEW J CHEM 2022. [DOI: 10.1039/d2nj02115c] [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
We developed a novel method for selective radical nitrosation of imidazo[1, 2-a]pyridine derivatives using AgNO3 as a NO source.
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Affiliation(s)
- Vishal Suresh Kudale
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan 1st Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Ching-Piao Chu
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan 1st Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shiquan 1st Rd, Sanmin District, Kaohsiung City, 807, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, No. 100 Tzyou 1st Rd, Sanmin District, Kaohsiung City 807, Taiwan
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8
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Sinha SK, Guin S, Maiti S, Biswas JP, Porey S, Maiti D. Toolbox for Distal C-H Bond Functionalizations in Organic Molecules. Chem Rev 2021; 122:5682-5841. [PMID: 34662117 DOI: 10.1021/acs.chemrev.1c00220] [Citation(s) in RCA: 166] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Transition metal catalyzed C-H activation has developed a contemporary approach to the omnipresent area of retrosynthetic disconnection. Scientific researchers have been tempted to take the help of this methodology to plan their synthetic discourses. This paradigm shift has helped in the development of industrial units as well, making the synthesis of natural products and pharmaceutical drugs step-economical. In the vast zone of C-H bond activation, the functionalization of proximal C-H bonds has gained utmost popularity. Unlike the activation of proximal C-H bonds, the distal C-H functionalization is more strenuous and requires distinctly specialized techniques. In this review, we have compiled various methods adopted to functionalize distal C-H bonds, mechanistic insights within each of these procedures, and the scope of the methodology. With this review, we give a complete overview of the expeditious progress the distal C-H activation has made in the field of synthetic organic chemistry while also highlighting its pitfalls, thus leaving the field open for further synthetic modifications.
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Affiliation(s)
- Soumya Kumar Sinha
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Srimanta Guin
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sudip Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Jyoti Prasad Biswas
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sandip Porey
- 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
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9
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Qian YE, Zheng L, Xiang HY, Yang H. Recent progress in the nitration of arenes and alkenes. Org Biomol Chem 2021; 19:4835-4851. [PMID: 34017966 DOI: 10.1039/d1ob00384d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Nitro compounds are a predominant class of synthetic intermediates and building blocks for the preparation of a wide range of nitrogen-containing compounds in the chemical industry. As such, impressive progress has been currently made in the nitration of aromatics and olefins with excellent functional group tolerance and site-selectivity. In this mini review, we intend to highlight the regiospecific nitration of arenes and alkenes in various reaction systems. The involved mechanisms are discussed as well.
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Affiliation(s)
- Yu-En Qian
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China.
| | - Lan Zheng
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China.
| | - Hao-Yue Xiang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China.
| | - Hua Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China.
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10
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Choi I, Müller V, Ackermann L. Ruthenium(II)-carboxylate-catalyzed C4/C6–H dual alkylations of indoles. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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11
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Ackermann L, Korvorapun K, Samanta RC, Rogge T. Remote C–H Functionalizations by Ruthenium Catalysis. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1485-5156] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AbstractSynthetic transformations of otherwise inert C–H bonds have emerged as a powerful tool for molecular modifications during the last decades, with broad applications towards pharmaceuticals, material sciences, and crop protection. Consistently, a key challenge in C–H activation chemistry is the full control of site-selectivity. In addition to substrate control through steric hindrance or kinetic acidity of C–H bonds, one important approach for the site-selective C–H transformation of arenes is the use of chelation-assistance through directing groups, therefore leading to proximity-induced ortho-C–H metalation. In contrast, more challenging remote C–H activations at the meta- or para-positions continue to be scarce. Within this review, we demonstrate the distinct character of ruthenium catalysis for remote C–H activations until March 2021, highlighting among others late-stage modifications of bio-relevant molecules. Moreover, we discuss important mechanistic insights by experiments and computation, illustrating the key importance of carboxylate-assisted C–H activation with ruthenium(II) complexes.1 Introduction2 Stoichiometric Remote C–H Functionalizations3 meta-C–H Functionalizations4 para-C–H Functionalizations5 meta-/ortho-C–H Difunctionalizations6 Conclusions
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12
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Strategic evolution in transition metal-catalyzed directed C–H bond activation and future directions. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213683] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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13
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Xu HB, Chen YJ, Chai XY, Yang JH, Xu YJ, Dong L. Ruthenium-Catalyzed P III-Directed Remote ε-C-H Alkylation of Phosphines. Org Lett 2021; 23:2052-2056. [PMID: 33630600 DOI: 10.1021/acs.orglett.0c03906] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The ruthenium-catalyzed remote ε-C-H alkylation of phosphines with tertiary alkyl halides has been developed. This novel PIII-directed C-H activation strategy tolerated various functional groups and delivered a wide variety of modified phosphines with excellent meta-site selectivity. Preliminary mechanistic studies indicated that a PIII-assisted ortho-cyclometalation/remote σ-activation pathway might be involved in this methodology.
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Affiliation(s)
- Hui-Bei Xu
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan 610066, China.,Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yin-Jun Chen
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Xin-Yue Chai
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Jia-Hui Yang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Yan-Jun Xu
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan 610066, China
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
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14
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Affiliation(s)
- Rashid Ali
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla New Delhi 110025 India
| | - Rafia Siddiqui
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla New Delhi 110025 India
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15
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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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16
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Choi I, Müller V, Wang Y, Xue K, Kuniyil R, Andreas LB, Karius V, Alauzun JG, Ackermann L. Recyclable Ruthenium Catalyst for Distal meta-C-H Activation. Chemistry 2020; 26:15290-15297. [PMID: 32770682 PMCID: PMC7756437 DOI: 10.1002/chem.202003622] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Indexed: 01/28/2023]
Abstract
We disclose the unprecedented hybrid-ruthenium catalysis for distal meta-C-H activation. The hybrid-ruthenium catalyst was recyclable, as was proven by various heterogeneity tests, and fully characterized with various microscopic and spectroscopic techniques, highlighting the physical and chemical stability. Thereby, the hybrid-ruthenium catalysis proved broadly applicable for meta-C-H alkylations of among others purine-based nucleosides and natural product conjugates. Additionally, its versatility was further reflected by meta-C-H activations through visible-light irradiation, as well as para-selective C-H activations.
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Affiliation(s)
- Isaac Choi
- Institut für Organische und Biomolekulare Chemie andWöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
| | - Valentin Müller
- Institut für Organische und Biomolekulare Chemie andWöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
| | - Yanhui Wang
- Institut Charles Gerhardt MontpellierUMR 5253CNRS-Université de Montpellier-ENSCMMontpellier Cedex 534095France
| | - Kai Xue
- Max Planck Institute for Biophysical ChemistryAm Faßberg 1137077GöttingenGermany
| | - Rositha Kuniyil
- Institut für Organische und Biomolekulare Chemie andWöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
| | - Loren B. Andreas
- Max Planck Institute for Biophysical ChemistryAm Faßberg 1137077GöttingenGermany
| | - Volker Karius
- Geowissenschaftliches ZentrumGeorg-August-Universität GöttingenGoldschmidtstraße 337077GöttingenGermany
| | - Johan G. Alauzun
- Institut Charles Gerhardt MontpellierUMR 5253CNRS-Université de Montpellier-ENSCMMontpellier Cedex 534095France
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie andWöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-UniversitätTammanstraße 237077GöttingenGermany
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17
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Li G, Gao Y, Jia C, Wang S, Yan B, Fang Y, Yang S. Meta-Dehydrogenative Alkylation of Arenes with Ethers, Ketones, and Esters Catalyzed by Ruthenium. Org Lett 2020; 22:8758-8763. [PMID: 33151082 DOI: 10.1021/acs.orglett.0c02698] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A meta-dehydrogenative alkylation of arenes with cyclic ethers, ketones, and esters catalyzed by ruthenium is achieved in the presence of a di-tert-butyl peroxide (DTBP) oxidant. Interestingly, when quinoline and isoquinoline are employed as the directing group, or a chain ether as alkylation reagent, the system produces Minisci reaction products. Mechanistic study indicates that meta-dehydrogenative alkylation is a radical process initiated by DTBP with the assistance of a CAr-Ru bond ortho/para-directing effect.
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Affiliation(s)
- Gang Li
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455002, P.R. China
| | - Yuan Gao
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455002, P.R. China
| | - Chunqi Jia
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P.R. China
| | - Shichong Wang
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455002, P.R. China
| | - Bingxu Yan
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455002, P.R. China
| | - Yu Fang
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455002, P.R. China
| | - Suling Yang
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455002, P.R. China
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18
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Sasmal S, Dutta U, Lahiri GK, Maiti D. Transition Metals and Transition Metals/Lewis Acid Cooperative Catalysis for Directing Group Assisted para-C–H Functionalization. CHEM LETT 2020. [DOI: 10.1246/cl.200500] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Sheuli Sasmal
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Uttam Dutta
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Goutam Kumar Lahiri
- 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
- Tokyo Tech World Research Hub Initiative (WRHI) Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, Tokyo 152-8550, Japan
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19
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Chen J, Huang T, Gong X, Yu Z, Shi Y, Yan Y, Zheng Y, Liu X, Li G, Wu Y. Ruthenium‐Catalyzed
meta
‐Selective C−H Nitration of Biologically Important Aryltetrazoles. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000475] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Jian Chen
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Tianle Huang
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Xinrui Gong
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Zhu‐Jun Yu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Yuesen Shi
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Yu‐Hang Yan
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Yang Zheng
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Xuexin Liu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Guo‐Bo Li
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
| | - Yong Wu
- Key Laboratory of Drug-Targeting of Education Ministry and Department of Medicinal Chemistry, West China School of PharmacySichuan University Chengdu 610041 People's Republic of China
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20
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Huang J, Ding F, Rojsitthisak P, He FS, Wu J. Recent advances in nitro-involved radical reactions. Org Chem Front 2020. [DOI: 10.1039/d0qo00563k] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Significant progress in the chemistry of nitro radicals has been witnessed in the past decades, providing efficient and rapid access to nitro-containing compounds. This review describes recent advances in nitro-involved radical reactions, and summarizes various transformations.
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Affiliation(s)
- Jiapian Huang
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies
- Taizhou University
- Taizhou 318000
- China
| | - Feng Ding
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies
- Taizhou University
- Taizhou 318000
- China
| | - Pornchai Rojsitthisak
- Department of Food and Pharmaceutical Chemistry
- Faculty of Pharmaceutical Sciences
- Chulalongkorn University
- Bangkok 10330
- Thailand
| | - Fu-Sheng He
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies
- Taizhou University
- Taizhou 318000
- China
| | - Jie Wu
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies
- Taizhou University
- Taizhou 318000
- China
- State Key Laboratory of Organometallic Chemistry
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21
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Yang S, Yan B, Zhong L, Jia C, Yao D, Yang C, Sun K, Li G. AIBN for Ru-catalyzed meta-C Ar–H alkylation. Org Chem Front 2020. [DOI: 10.1039/d0qo00703j] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The meta-CAr–H alkylation of arenes with radicals produced from AIBN in the presence of a RuCl3 catalyst is presented.
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Affiliation(s)
- Suling Yang
- College of Chemistry and Chemical Engineering
- Henan Province Key Laboratory of New Optoelectronic Functional Materials
- Anyang Normal University
- Anyang 455002
- PR China
| | - Bingxu Yan
- College of Chemistry and Chemical Engineering
- Henan Province Key Laboratory of New Optoelectronic Functional Materials
- Anyang Normal University
- Anyang 455002
- PR China
| | - Lei Zhong
- College of Chemistry and Chemical Engineering
- Henan Province Key Laboratory of New Optoelectronic Functional Materials
- Anyang Normal University
- Anyang 455002
- PR China
| | - Chunqi Jia
- Engineering Research Center of Molecular Medicine of Ministry of Education
- Key Laboratory of Fujian Molecular Medicine
- Key Laboratory of Xiamen Marine and Gene Drugs
- School of Biomedical Sciences
- Huaqiao University
| | - Dan Yao
- College of Chemistry and Chemical Engineering
- Henan Province Key Laboratory of New Optoelectronic Functional Materials
- Anyang Normal University
- Anyang 455002
- PR China
| | - Chunli Yang
- College of Chemistry and Chemical Engineering
- Henan Province Key Laboratory of New Optoelectronic Functional Materials
- Anyang Normal University
- Anyang 455002
- PR China
| | - Kai Sun
- College of Chemistry and Chemical Engineering
- Henan Province Key Laboratory of New Optoelectronic Functional Materials
- Anyang Normal University
- Anyang 455002
- PR China
| | - Gang Li
- College of Chemistry and Chemical Engineering
- Henan Province Key Laboratory of New Optoelectronic Functional Materials
- Anyang Normal University
- Anyang 455002
- PR China
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22
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Sasmal S, Sinha SK, Lahiri GK, Maiti D. A directing group-assisted ruthenium-catalyzed approach to access meta-nitrated phenols. Chem Commun (Camb) 2020; 56:7100-7103. [DOI: 10.1039/d0cc02851g] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
meta-Selective C–H nitration of phenol derivatives was developed using a Ru-catalyzed σ-activation strategy. Cu(NO3)2·3H2O was employed as the nitrating source, whereas Ru3(CO)12 was found to be the most suitable metal catalyst for the protocol.
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23
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Liu L, Wang N, Dai C, Han Y, Yang S, Huang Z, Zhao Y. Rh(III)-Catalyzed Direct Amination of Aromatic Ketoximes Enabled by Potassium Acetate. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901517] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lingling Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province; College of Chemistry and Chemical Engineering; Soochow University; 199 Renai Street 215123 Suzhou Jiangsu China
| | - Ning Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province; College of Chemistry and Chemical Engineering; Soochow University; 199 Renai Street 215123 Suzhou Jiangsu China
| | - Chenyang Dai
- Key Laboratory of Organic Synthesis of Jiangsu Province; College of Chemistry and Chemical Engineering; Soochow University; 199 Renai Street 215123 Suzhou Jiangsu China
| | - Yi Han
- Key Laboratory of Organic Synthesis of Jiangsu Province; College of Chemistry and Chemical Engineering; Soochow University; 199 Renai Street 215123 Suzhou Jiangsu China
| | - Shan Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province; College of Chemistry and Chemical Engineering; Soochow University; 199 Renai Street 215123 Suzhou Jiangsu China
| | - Zhibin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province; College of Chemistry and Chemical Engineering; Soochow University; 199 Renai Street 215123 Suzhou Jiangsu China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province; College of Chemistry and Chemical Engineering; Soochow University; 199 Renai Street 215123 Suzhou Jiangsu China
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24
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Zhao LL, Liu W, Zhang Z, Zhao H, Wang Q, Yan X. Ruthenium-Catalyzed ortho- and meta-H/D Exchange of Arenes. Org Lett 2019; 21:10023-10027. [PMID: 31797670 DOI: 10.1021/acs.orglett.9b03955] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Ruthenium-catalyzed aromatic H/D exchange in [D4]acetic acid has been developed. By using N-heteroarenes as directing groups, both ortho and meta positions are selectively deuterated with high levels of D incorporation. Moreover, this strategy provides an alternative way to achieve meta-C-H activation.
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Affiliation(s)
- Liang-Liang Zhao
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Wei Liu
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Zengyu Zhang
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Hongyan Zhao
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Qi Wang
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
| | - Xiaoyu Yan
- Department of Chemistry , Renmin University of China , Beijing 100872 , China
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25
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Zhang D, Gao D, Cai J, Wu X, Qin H, Qiao K, Liu C, Fang Z, Guo K. The ruthenium-catalyzed meta-selective C-H nitration of various azole ring-substituted arenes. Org Biomol Chem 2019; 17:9065-9069. [PMID: 31584058 DOI: 10.1039/c9ob01930h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The efficient ruthenium-catalyzed meta-selective CAr-H nitration of azole ring substituted arenes has been developed. In this work, Ru3(CO)12 was used as the catalyst, AgNO2 as the nitro source, HPcy3+·BF4- as the ligand, pivalic acid as the additive, and DCE as the solvent, and a wide spectrum of arenes bearing thiazole, pyrazolyl or removable oxazoline directing groups were tolerated in this meta-selective CAr-H nitration, affording the nitrated products in moderate to good yields. Moreover, this study reveals a gentler and environmentally friendly way to access meta-nitration arenes compared to the traditional process.
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Affiliation(s)
- Dong Zhang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Di Gao
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Jinlin Cai
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Xiaoyu Wu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Hong Qin
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Kai Qiao
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Chengkou Liu
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China.
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China. and State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, 30 Puzhu Rd S., Nanjing 211816, China
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26
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Gao S, Ma Y, Tang H, Luo J, Wang K. Cu–Catalyzed C5 Nitration of Indolines under Mild Conditions. ChemistrySelect 2019. [DOI: 10.1002/slct.201902743] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shanshan Gao
- Materials Science and Chemical EngineeringNingbo University, Ningbo P. R. China 315211
| | - Yaorui Ma
- Materials Science and Chemical EngineeringNingbo University, Ningbo P. R. China 315211
| | - Hao Tang
- Materials Science and Chemical EngineeringNingbo University, Ningbo P. R. China 315211
| | - Junfei Luo
- Materials Science and Chemical EngineeringNingbo University, Ningbo P. R. China 315211
| | - Kuan Wang
- College of Chemistry and Chemistry EngineeringShanxi Key Laboratory of Chemistry Additives for IndustryShanxi University of Science & Technology,Xi'an P. R. China 710021
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27
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Liu D, Luo P, Ge J, Jiang Z, Peng Y, Ding Q. Synthesis of 2-Arylbenzothiazole and 2-Arylthiazole Derivatives via a Ru-Catalyzed meta-Selective C–H Nitration Reaction. J Org Chem 2019; 84:12784-12791. [DOI: 10.1021/acs.joc.9b01194] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Deming Liu
- Key Laboratory of Small Functional Organic Molecules, Ministry of Education and Jiangxi’s Key Laboratory of Green Chemistry, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Puying Luo
- Department of Obstetrics and Gynecology, Jiangxi Provincial people’s Hospital, Nanchang, Jiangxi 330006, P. R. China
| | - Junying Ge
- Key Laboratory of Small Functional Organic Molecules, Ministry of Education and Jiangxi’s Key Laboratory of Green Chemistry, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Zilin Jiang
- Key Laboratory of Small Functional Organic Molecules, Ministry of Education and Jiangxi’s Key Laboratory of Green Chemistry, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Yiyuan Peng
- Key Laboratory of Small Functional Organic Molecules, Ministry of Education and Jiangxi’s Key Laboratory of Green Chemistry, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
| | - Qiuping Ding
- Key Laboratory of Small Functional Organic Molecules, Ministry of Education and Jiangxi’s Key Laboratory of Green Chemistry, Jiangxi Normal University, Nanchang, Jiangxi 330022, P. R. China
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28
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Li X, Deng X, Coyne AG, Srinivasan R. meta-Nitration of Arenes Bearing ortho/para Directing Group(s) Using C-H Borylation. Chemistry 2019; 25:8018-8023. [PMID: 30974007 DOI: 10.1002/chem.201901633] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Indexed: 11/07/2022]
Abstract
Herein, we report the meta-nitration of arenes bearing ortho/para directing group(s) using the iridium-catalyzed C-H borylation reaction followed by a newly developed copper(II)-catalyzed transformation of the crude aryl pinacol boronate esters into the corresponding nitroarenes in a one-pot fashion. This protocol allows the synthesis of meta-nitrated arenes that are tedious to prepare or require multistep synthesis using the existing methods. The reaction tolerates a wide array of ortho/para-directing groups, such as -F, -Cl, -Br, -CH3 , -Et, -iPr -OCH3 , and -OCF3 . It also provides regioselective access to the nitro derivatives of π-electron-deficient heterocycles, such as pyridine and quinoline derivatives. The application of this method is demonstrated in the late-stage modification of complex molecules and also in the gram-scale preparation of an intermediate en route to the FDA-approved drug Nilotinib. Finally, we have shown that the nitro product obtained by this strategy can also be directly converted to the aniline or hindered amine through Baran's amination protocol.
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Affiliation(s)
- Xuejing Li
- School of Pharmaceutical Science and Technology (SPST), Tianjin University, 92 Weijin Road, Building 24, Nankai District, Tianjin, 300072, P.R. China
| | - Xingwang Deng
- School of Pharmaceutical Science and Technology (SPST), Tianjin University, 92 Weijin Road, Building 24, Nankai District, Tianjin, 300072, P.R. China
| | - Anthony G Coyne
- University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Rajavel Srinivasan
- School of Pharmaceutical Science and Technology (SPST), Tianjin University, 92 Weijin Road, Building 24, Nankai District, Tianjin, 300072, P.R. China
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29
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Gandeepan P, Koeller J, Korvorapun K, Mohr J, Ackermann L. Visible-Light-Enabled Ruthenium-Catalyzed meta-C-H Alkylation at Room Temperature. Angew Chem Int Ed Engl 2019; 58:9820-9825. [PMID: 31075177 DOI: 10.1002/anie.201902258] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 04/19/2019] [Indexed: 11/08/2022]
Abstract
Visible-light-induced ruthenium catalysis has enabled remote C-H alkylations with excellent levels of position control under exceedingly mild conditions at room temperature. The metallaphotocatalysis occurred under exogenous-photosensitizer-free conditions and features an ample substrate scope. The robust nature of the photo-induced mild meta-C-H functionalization is reflected by the broad functional group tolerance, and the reaction can be carried out in an operationally simple manner, setting the stage for challenging secondary and tertiary meta-C-H alkylations by ruthenaphotoredox catalysis.
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Affiliation(s)
- Parthasarathy Gandeepan
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Julian Koeller
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Korkit Korvorapun
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Jens Mohr
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
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30
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Gandeepan P, Koeller J, Korvorapun K, Mohr J, Ackermann L. Sichtbares Licht ermöglicht Ruthenium‐katalysierte
meta
‐C‐H‐Alkylierung bei Raumtemperatur. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902258] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Parthasarathy Gandeepan
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Julian Koeller
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Korkit Korvorapun
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Jens Mohr
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
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31
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Shoberu A, Li C, Tao Z, Zhang G, Zou J. NaNO
2
/K
2
S
2
O
8
‐mediated Selective Radical Nitration/Nitrosation of Indoles: Efficient Approach to 3‐Nitro‐ and 3‐Nitrosoindoles. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900070] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Adedamola Shoberu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical EngineeringSoochow University 199 Renai Street, Suzhou Jiangsu 215123 People's Republic of China
| | - Cheng‐Kun Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical EngineeringSoochow University 199 Renai Street, Suzhou Jiangsu 215123 People's Republic of China
| | - Ze‐Kun Tao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical EngineeringSoochow University 199 Renai Street, Suzhou Jiangsu 215123 People's Republic of China
| | - Guo‐Yu Zhang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical EngineeringSoochow University 199 Renai Street, Suzhou Jiangsu 215123 People's Republic of China
| | - Jian‐Ping Zou
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry and Chemical EngineeringSoochow University 199 Renai Street, Suzhou Jiangsu 215123 People's Republic of China
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32
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Xie DX, Yu HJ, Liu H, Xue WC, Qin YS, Shao G. Sodium persulfate-promoted site-selective synthesis of mononitroarylamines under transition-metal-free conditions. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.01.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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33
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Song LR, Fan Z, Zhang A. Recent advances in transition metal-catalyzed C(sp2)–H nitration. Org Biomol Chem 2019; 17:1351-1361. [DOI: 10.1039/c8ob02750a] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review updates advances of direct C(sp2)–H nitration for the synthesis of nitroaromatic compounds and the mechanisms during the past decade.
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Affiliation(s)
- Li-Rui Song
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica (SIMM)
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Zhoulong Fan
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica (SIMM)
- Chinese Academy of Sciences
- Shanghai 201203
- China
| | - Ao Zhang
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica (SIMM)
- Chinese Academy of Sciences
- Shanghai 201203
- China
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34
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An D, Song W, Peng Z, Zhang Y, Dong W. Transition‐Metal‐Free Hypervalent Iodine(III) Reagent‐Promoted Site‐Selective Solid‐Phase Synthesis of Mononitroarylamines. ChemistrySelect 2018. [DOI: 10.1002/slct.201801783] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Delie An
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Lushan Rd. 2, Changsha 410082, Hunan Province P.R.China
| | - Wenkang Song
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Lushan Rd. 2, Changsha 410082, Hunan Province P.R.China
| | - Zhihong Peng
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Lushan Rd. 2, Changsha 410082, Hunan Province P.R.China
| | - Yingjun Zhang
- State Key Laboratory of Anti-Infective Drug Development (NO. 2015DQ780357) Sunshine Lake Pharma Co., Ltd Zhenan Rd. 368 Dongguan, 523871, Guangdong Province P.R. China
| | - Wanrong Dong
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Lushan Rd. 2, Changsha 410082, Hunan Province P.R.China
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35
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Jing K, Li ZY, Wang GW. Direct Decarboxylative Meta-Selective Acylation of Arenes via an Ortho-Ruthenation Strategy. ACS Catal 2018. [DOI: 10.1021/acscatal.8b03695] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kun Jing
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Center for Excellence in Molecular Synthesis of CAS, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Zhong-Yuan Li
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Center for Excellence in Molecular Synthesis of CAS, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Guan-Wu Wang
- Hefei National Laboratory for Physical Sciences at Microscale, CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Center for Excellence in Molecular Synthesis of CAS, and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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36
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37
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Dou Y, Yin B, Zhang P, Zhu Q. Copper-Catalyzed Regioselective Nitration and Azidation of 1-Naphthylamine Derivatives via Remote C-H Activation. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800912] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yandong Dou
- College of Biotechnology and Bioengineering; Zhejiang University of Technology; 310014 Hangzhou China
- Collaborative Innovation Center of Yangtze River Delta Region GreenPharmaceuticals; Zhejiang University of Technology; 310014 Hangzhou China
| | - Biao Yin
- Collaborative Innovation Center of Yangtze River Delta Region GreenPharmaceuticals; Zhejiang University of Technology; 310014 Hangzhou China
| | - Pengfei Zhang
- College of Material; Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou China
| | - Qing Zhu
- College of Biotechnology and Bioengineering; Zhejiang University of Technology; 310014 Hangzhou China
- Collaborative Innovation Center of Yangtze River Delta Region GreenPharmaceuticals; Zhejiang University of Technology; 310014 Hangzhou China
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38
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Gao X, Peng X, Chen K. The application of nitrogen oxides in industrial preparations of nitro compounds. CAN J CHEM ENG 2018. [DOI: 10.1002/cjce.23246] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xi Gao
- School of Chemical Engineering; Nanjing University of Science and Technology; Nanjing 210094, China
| | - Xinhua Peng
- School of Chemical Engineering; Nanjing University of Science and Technology; Nanjing 210094, China
| | - Kaihao Chen
- School of Chemical Engineering; Nanjing University of Science and Technology; Nanjing 210094, China
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39
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Wang CM, Tang KX, Gao TH, Chen L, Sun LP. Cu(II)-Catalyzed Ortho-C–H Nitration of Aryl Ureas By C–H Functionalization. J Org Chem 2018; 83:8315-8321. [DOI: 10.1021/acs.joc.8b01016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Chun-Meng Wang
- Jiangsu Key Laboratory of Drug Design & Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Kai-Xiang Tang
- Jiangsu Key Laboratory of Drug Design & Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Tian-Hong Gao
- Jiangsu Key Laboratory of Drug Design & Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Lin Chen
- Jiangsu Key Laboratory of Drug Design & Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Li-Ping Sun
- Jiangsu Key Laboratory of Drug Design & Optimization, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
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40
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Khan FF, Sinha SK, Lahiri GK, Maiti D. Ruthenium-Mediated Distal C−H Activation. Chem Asian J 2018; 13:2243-2256. [DOI: 10.1002/asia.201800545] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Farheen Fatima Khan
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Soumya Kumar Sinha
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Goutam Kumar Lahiri
- 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
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41
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Ghosh M, De Sarkar S. meta
- and para
-Selective C−H Functionalization using Transient Mediators and Noncovalent Templates. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800225] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Munmun Ghosh
- Department of Chemical Sciences; Indian Institute of Science Education and Research Kolkata; Mohanpur 741246 West Bengal India
| | - Suman De Sarkar
- Department of Chemical Sciences; Indian Institute of Science Education and Research Kolkata; Mohanpur 741246 West Bengal India
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42
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Fan Z, Lu H, Cheng Z, Zhang A. Ligand-promoted ruthenium-catalyzed meta C-H chlorination of arenes using N-chloro-2,10-camphorsultam. Chem Commun (Camb) 2018; 54:6008-6011. [PMID: 29796497 DOI: 10.1039/c8cc03195a] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A practical meta C-H chlorination protocol is established via a Ru(0)-catalyzed ortho-metalation strategy. The use of N-chloro-2,10-camphorsultam as a new chlorinating agent is crucial for the success of the current reaction and an N-heterocyclic carbene (NHC) ligand could significantly enhance the reactivity of the catalytic transformation. The mechanistic studies reveal that an unusual ortho C-H ruthenation relay process with ortho chlorination of the C-Ru bond is probably involved.
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Affiliation(s)
- Zhoulong Fan
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai 201203, China.
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43
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Lu H, Fan Z, Xiong C, Zhang A. Highly Stereoselective Assembly of Polycyclic Molecules from 1,6-Enynes Triggered by Rhodium(III)-Catalyzed C–H Activation. Org Lett 2018; 20:3065-3069. [DOI: 10.1021/acs.orglett.8b01099] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Heng Lu
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Zhoulong Fan
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- College of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chaodong Xiong
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- College of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ao Zhang
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- College of Pharmacy, University of Chinese Academy of Sciences, Beijing 100049, China
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44
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Saxena P, Kapur M. Cobalt-Catalyzed C−H Nitration of Indoles by Employing a Removable Directing Group. Chem Asian J 2018; 13:861-870. [DOI: 10.1002/asia.201800036] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/07/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Paridhi Saxena
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal, Academic Building II; Bhopal Bypass Road Bhauri, Bhopal 462066 MP India
| | - Manmohan Kapur
- Department of Chemistry; Indian Institute of Science Education and Research Bhopal, Academic Building II; Bhopal Bypass Road Bhauri, Bhopal 462066 MP India
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45
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Fan Z, Lu H, Zhang A. PMes3-Promoted Ruthenium-Catalyzed Meta C–H Nitration of 6-Arylpurines. J Org Chem 2018; 83:3245-3251. [DOI: 10.1021/acs.joc.8b00149] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Zhoulong Fan
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Heng Lu
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
| | - Ao Zhang
- CAS Key Laboratory of Receptor Research and the State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai 201210, China
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46
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Fumagalli F, Warratz S, Zhang SK, Rogge T, Zhu C, Stückl AC, Ackermann L. Arene-Ligand-Free Ruthenium(II/III) Manifold for meta
-C−H Alkylation: Remote Purine Diversification. Chemistry 2018; 24:3984-3988. [DOI: 10.1002/chem.201800530] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Fernando Fumagalli
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität; Tammannstaße 2 37077 Göttingen Germany
| | - Svenja Warratz
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität; Tammannstaße 2 37077 Göttingen Germany
| | - Shou-Kun Zhang
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität; Tammannstaße 2 37077 Göttingen Germany
| | - Torben Rogge
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität; Tammannstaße 2 37077 Göttingen Germany
| | - Cuiju Zhu
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität; Tammannstaße 2 37077 Göttingen Germany
| | - A. Claudia Stückl
- Institut für Anorganische Chemie; Georg-August-Universität; Tammannstaße 4 37077 Göttingen Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität; Tammannstaße 2 37077 Göttingen Germany
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47
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Korvorapun K, Kaplaneris N, Rogge T, Warratz S, Stückl AC, Ackermann L. Sequential meta-/ortho-C–H Functionalizations by One-Pot Ruthenium(II/III) Catalysis. ACS Catal 2018. [DOI: 10.1021/acscatal.7b03648] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Korkit Korvorapun
- Institut
für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Nikolaos Kaplaneris
- Institut
für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Torben Rogge
- Institut
für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Svenja Warratz
- Institut
für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - A. Claudia Stückl
- Institut
für Anorganische Chemie, Georg-August-Universität Göttingen, Tammannstraße
4, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut
für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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48
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Tu D, Luo J, Jiang C. Copper-mediated domino C–H iodination and nitration of indoles. Chem Commun (Camb) 2018; 54:2514-2517. [DOI: 10.1039/c8cc00267c] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
An efficient and cost-effective copper-mediated aerobic oxidative C–H iodination and nitration of indoles via double C–H functionalization is reported. The domino process proceeds smoothly under mild aerobic conditions to give 3-iodo-2-nitroindoles in one step with high regioselectivity and a broad substrate scope.
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Affiliation(s)
- Daoquan Tu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Jun Luo
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
| | - Chao Jiang
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing
- China
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49
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Mihai MT, Genov GR, Phipps RJ. Access to the meta position of arenes through transition metal catalysed C–H bond functionalisation: a focus on metals other than palladium. Chem Soc Rev 2018; 47:149-171. [DOI: 10.1039/c7cs00637c] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The elaboration of simple arenes in order to access more complex substitution patterns is a crucial endeavor for synthetic chemists, given the central role that aromatic rings play in all manner of important molecules.
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50
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Mariappan A, Das KM, Jeganmohan M. Remote alkylation of N-(quinolin-8-yl)benzamides with alkyl bromides via ruthenium(ii)-catalyzed C–H bond activation. Org Biomol Chem 2018; 16:3419-3427. [PMID: 29675524 DOI: 10.1039/c8ob00581h] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A ruthenium(ii) catalyzed remote C-5 alkylation of the quinoline ring of N-(quinolin-8-yl)benzamides with alkyl bromides via C–H bond activation is described.
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Affiliation(s)
- Arumugam Mariappan
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai 600036
- India
| | - Krishna Mohan Das
- Department of Chemistry
- Indian Institute of Technology Madras
- Chennai 600036
- India
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