1
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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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Yang T, Yang K, Zhang Y, Zhou R, Zhang F, Zhan G, Guo Z. Metabolites with antioxidant and α-glucosidase inhibitory activities produced by the endophytic fungi Aspergillus niger from Pachysandra terminalis. Biosci Biotechnol Biochem 2022; 86:1343-1348. [PMID: 35973685 DOI: 10.1093/bbb/zbac137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/06/2022] [Indexed: 11/13/2022]
Abstract
One new compound and 13 known compounds were isolated from Aspergillus niger, a plant endophytic fungus of Pachysandra terminalis collected from Qinling Mountains, Xi'an, China. The structure of new compound 1 was classically determined by extensive spectroscopic analysis. Compounds 5, 6, 8, and 14 were firstly reported from Aspergillus, while compound 2 was isolated from A. niger for the first time. All isolated compounds were further evaluated for their antioxidant and α-glucosidase inhibitory activities. Compounds 2 and 3 exhibited significant antioxidant activities with IC50 values of 31.64 μm and 24.32 μm, respectively, similar to the positive control ascorbic acid. Additionally, compound 1 displayed remarkable inhibitory activity against α-glucosidase with an IC50 value of 96.25 μm, which was 3.4-fold more potent than that of the positive control acarbose. Compound 1 has great potential for development as a new lead compound owing to its simple structure and remarkable biological activity.
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Affiliation(s)
- Tao Yang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, P. R. China
| | - Kailing Yang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, P. R. China
| | - Yu Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, P. R. China
| | - Ruixi Zhou
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, P. R. China
| | - Fuxin Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, P. R. China
| | - Guanqun Zhan
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, P. R. China
| | - Zengjun Guo
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, P. R. China
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3
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Berger M, Lenhard MS, Waldvogel SR. Para-Fluorination of Anilides Using Electrochemically Generated Hypervalent Iodoarenes. Chemistry 2022; 28:e202201029. [PMID: 35510825 PMCID: PMC9401020 DOI: 10.1002/chem.202201029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Indexed: 11/23/2022]
Abstract
The para-selective fluorination reaction of anilides using electrochemically generated hypervalent ArIF2 is reported, with Et3 N ⋅ 5HF serving as fluoride source and as supporting electrolyte. This electrochemical reaction is characterized by a simple set-up, easy scalability and affords a broad variety of fluorinated anilides from easily accessible anilides in good yields up to 86 %.
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Affiliation(s)
- Michael Berger
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Marola S. Lenhard
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
| | - Siegfried R. Waldvogel
- Department of ChemistryJohannes Gutenberg University MainzDuesbergweg 10–1455128MainzGermany
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4
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Zhao M, Qin Z, Zhang K, Li J. Metal-free site-selective C-H cyanoalkylation of 8-aminoquinoline and aniline-derived amides with azobisisobutyronitrile. RSC Adv 2021; 11:30719-30724. [PMID: 35479854 PMCID: PMC9041112 DOI: 10.1039/d1ra06013a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 08/25/2021] [Indexed: 12/17/2022] Open
Abstract
Using K2S2O8, an efficient and metal-free site-selective C–H cyanoalkylation of 8-aminoquinoline and aniline-derived amides with AIBN (azobisisobutyronitrile) was developed. Without any catalyst, various substrates and functional groups were compatible to afford corresponding products in moderate to high yields. A mechanism study displayed that a radical–radical coupling process was involved via the N-centered radical generation and delocalization of aryl amides. An efficient metal-free cyanoalkylation of 8-aminoquinoline and aniline-derived amides was achieved in the presence of K2S2O8. The method showed good substrate tolerance and also suitable for bromination and dimerization reactions.![]()
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Affiliation(s)
- Mengfei Zhao
- Department of Organic Chemistry, College of Chemistry, Jilin University 2519 Jiefang Road Changchun 130021 P. R. China
| | - Zengxin Qin
- Department of Organic Chemistry, College of Chemistry, Jilin University 2519 Jiefang Road Changchun 130021 P. R. China
| | - Kaixin Zhang
- Department of Organic Chemistry, College of Chemistry, Jilin University 2519 Jiefang Road Changchun 130021 P. R. China
| | - Jizhen Li
- Department of Organic Chemistry, College of Chemistry, Jilin University 2519 Jiefang Road Changchun 130021 P. R. China
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5
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Mudithanapelli C, Kim MH. Metal-free late-stage C(sp 2)-H functionalization of N-aryl amines with various sodium salts. Org Biomol Chem 2020; 18:450-464. [PMID: 31799581 DOI: 10.1039/c9ob02217a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Metal-free consecutive C(sp2)-X (X = Cl, Br, S, N) bond formations of N-aryl amines (cyclic, fused, carbamate, and aminium radicals) were achieved under mild conditions using [bis(trifluoroacetoxy)iodo]benzene (PIFA) and simple nonharmful sodium salts. This direct and selective C(sp2)-H functionalization showed excellent functional group compatibility, cost effectiveness, and late-stage applicability for the synthesis of biologically active natural products. Two mechanisms were proposed to explain the ortho- or para-preference, as well as the accelerating effect of CH3NO2.
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Affiliation(s)
- Chandrashekar Mudithanapelli
- Gachon Institute of Pharmaceutical Science & Department of Pharmacy, College of Pharmacy, Gachon University, 191 Hambakmoeiro, Yeonsu-gu, Incheon 21936, Republic of Korea.
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6
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Affiliation(s)
- Saikat Maiti
- School of Chemical SciencesNational Institute of Science Education and Research (NISER)HBNIBhubaneswarPO Bhimpur-Padanpur Via Jatni District Khurda Odisha 752050 India
| | - Md Toufique Alam
- School of Chemical SciencesNational Institute of Science Education and Research (NISER)HBNIBhubaneswarPO Bhimpur-Padanpur Via Jatni District Khurda Odisha 752050 India
| | - Ankita Bal
- School of Chemical SciencesNational Institute of Science Education and Research (NISER)HBNIBhubaneswarPO Bhimpur-Padanpur Via Jatni District Khurda Odisha 752050 India
| | - Prasenjit Mal
- School of Chemical SciencesNational Institute of Science Education and Research (NISER)HBNIBhubaneswarPO Bhimpur-Padanpur Via Jatni District Khurda Odisha 752050 India
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7
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Xu X, Chu Z, Xia C. Transition-metal free oxidative C-H etherification of acylanilines with alcohols through a radical pathway. Org Biomol Chem 2019; 17:6346-6350. [PMID: 31210244 DOI: 10.1039/c9ob01224a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A transition metal free approach for the synthesis of methyl/ethyl aryl ether via oxidative C-H etherification of acylanilines with alcohols has been developed. Various acylanilines are compatible under standard conditions, giving the corresponding products in moderate to good yields. This strategy avoids transition-metal catalyst and excessive alcohol, providing a simple and reliable alternative method for the synthesis of methyl/ethyl aryl ether. Control experiments reveal that a radical mechanism is involved in this transformation.
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Affiliation(s)
- Xiaobo Xu
- Shanghai Synmedia Chemical Co., Ltd, Shanghai 201201, China and Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, China.
| | - Zhengzhou Chu
- Shanghai Synmedia Chemical Co., Ltd, Shanghai 201201, China
| | - Chengcai Xia
- Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Taian 271000, China.
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8
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Farshadfar K, Chipman A, Yates BF, Ariafard A. DFT Mechanistic Investigation into BF3-Catalyzed Alcohol Oxidation by a Hypervalent Iodine(III) Compound. ACS Catal 2019. [DOI: 10.1021/acscatal.9b01599] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Kaveh Farshadfar
- Department of Chemistry, Islamic Azad University, Central Tehran Branch, Poonak, Tehran, Iran
| | - Antony Chipman
- School of Physical Science (Chemistry), University of Tasmania, Private Bag
75, Hobart, TAS 7001, Australia
| | - Brian F. Yates
- School of Physical Science (Chemistry), University of Tasmania, Private Bag
75, Hobart, TAS 7001, Australia
| | - Alireza Ariafard
- Department of Chemistry, Islamic Azad University, Central Tehran Branch, Poonak, Tehran, Iran
- School of Physical Science (Chemistry), University of Tasmania, Private Bag
75, Hobart, TAS 7001, Australia
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9
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Liang T, He X, Ji D, Wu H, Xu Y, Li Y, Wang Z, Xu Y, Zhu Q. Transition Metal-Free C5 Tosyloxylation of 8-Aminoquinolines with Phenyliodine Bistrifluoroacetate and Substituted 1,2-Disulfonyl Hydrazides. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900092] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Tingting Liang
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 211198 China
- Jiangsu Key Laboratory of Drug Design and Optimization; Department of Medicinal Chemistry; China Pharmaceutical University; Nanjing 211198 China
| | - Xin He
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 211198 China
- Changzhou Vocational Institute of Engineering; Changzhou 213164, China
| | - Dezhong Ji
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 211198 China
- Jiangsu Key Laboratory of Drug Design and Optimization; Department of Medicinal Chemistry; China Pharmaceutical University; Nanjing 211198 China
| | - Huanhuan Wu
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 211198 China
| | - Yizhu Xu
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 211198 China
| | - Yuyan Li
- Jiangsu Key Laboratory of Drug Design and Optimization; Department of Medicinal Chemistry; China Pharmaceutical University; Nanjing 211198 China
| | - Zhibin Wang
- Jiangsu Key Laboratory of Drug Design and Optimization; Department of Medicinal Chemistry; China Pharmaceutical University; Nanjing 211198 China
| | - Yungen Xu
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 211198 China
- Jiangsu Key Laboratory of Drug Design and Optimization; Department of Medicinal Chemistry; China Pharmaceutical University; Nanjing 211198 China
| | - Qihua Zhu
- State Key Laboratory of Natural Medicines; China Pharmaceutical University; Nanjing 211198 China
- Jiangsu Key Laboratory of Drug Design and Optimization; Department of Medicinal Chemistry; China Pharmaceutical University; Nanjing 211198 China
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10
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Wan Y, Zhang Z, Ma N, Bi J, Zhang G. Acylamino-Directed Specific Sequential Difunctionalizations of Anilides via Metal-Free Relay Reactions for p-Oxygen and o-Nitrogen Incorporation. J Org Chem 2018; 84:780-791. [DOI: 10.1021/acs.joc.8b02636] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yameng Wan
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zhiguo Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Nana Ma
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jingjing Bi
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Guisheng Zhang
- Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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11
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Xiong B, Wang G, Xiong T, Wan L, Zhou C, Liu Y, Zhang P, Yang C, Tang K. Direct synthesis of N-arylamides via the coupling of aryl diazonium tetrafluoroborates and nitriles under transition-metal-free conditions. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.07.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Maiti S, Alam T, Mal P. Soft-Hard Acid-Base-Controlled C−H Trifluoroethoxylation and Trideuteriomethoxylation of Anilides. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800069] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Saikat Maiti
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar, PO Bhimpur-Padanpur; Via Jatni District Khurda Odisha 752050 India
| | - Toufique Alam
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar, PO Bhimpur-Padanpur; Via Jatni District Khurda Odisha 752050 India
| | - Prasenjit Mal
- School of Chemical Sciences; National Institute of Science Education and Research (NISER), HBNI, Bhubaneswar, PO Bhimpur-Padanpur; Via Jatni District Khurda Odisha 752050 India
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13
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Dey A, Maity S, Maiti D. Reaching the south: metal-catalyzed transformation of the aromatic para-position. Chem Commun (Camb) 2018; 52:12398-12414. [PMID: 27559937 DOI: 10.1039/c6cc05235e] [Citation(s) in RCA: 116] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Regioselective functionalization of aromatic arenes has created a rapid insurgence in the modern era of organic chemistry. While the last few years have witnessed significant developments on site-selective ortho- and meta-C-H transformations, there existed very few reports on para-C-H functionalization. Recent advancements on template assisted protocols in para-C-H activation has emerged as a popular and convenient feat in this area. This review highlights the various protocols developed over the years for selective installation of suitable functional groups at the para-position of arenes thereby transforming them into value-added organic cores.
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Affiliation(s)
- Aniruddha Dey
- Department of Chemistry, Indian Institute of Technology Bombay, India.
| | - Soham Maity
- Department of Chemistry, Indian Institute of Technology Bombay, India.
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, India.
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14
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Abstract
There has been increasing use of hypervalent iodine reagents in the field of nucleoside chemistry. Applications span: (a) synthesis of nucleoside analogues with sulfur and seleno sugar surrogates, (b) synthesis of unusual carbocyclic and ether ring-containing nucleosides, (c) introduction of sulfur and selenium into pyrimidine bases of nucleosides and analogues, (d) synthesis of isoxazole and isoxazoline ring-containing nucleoside analogues, (e) involvement of purine ring nitrogen atoms for remote C-H bond oxidation, and (f) metal-catalyzed and uncatalyzed synthesis of benzimidazolyl purine nucleoside analogues by intramolecular C-N bond formation. This review offers a perspective on developments involving the use of hypervalent iodine reagents in the field of nucleoside chemistry that have appeared in the literature in the 2003-2017 time frame.
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Affiliation(s)
- Mahesh K. Lakshman
- Department of Chemistry & Biochemistry, The City College of New York, 160 Convent Avenue, New York, NY 10031, USA, and The Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY 10016, USA
| | - Barbara Zajc
- Department of Chemistry & Biochemistry, The City College of New York, 160 Convent Avenue, New York, NY 10031, USA, and The Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY 10016, USA
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15
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Satishkumar S, Poudapally S, Vuram PK, Gurram V, Pottabathini N, Sebastian D, Yang L, Pradhan P, Lakshman MK. Pd-catalyzed versus uncatalyzed, PhI(OAc) 2-mediated cyclization reactions of N6-([1,1'-biaryl]-2-yl)adenine nucleosides. ChemCatChem 2017; 9:4058-4069. [PMID: 29503672 DOI: 10.1002/cctc.201700918] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
In this work we have assessed reactions of N6-([1,1'-biaryl]-2-yl)adenine nucleosides with Pd(OAc)2 and PhI(OAc)2, via a PdII/PdIV redox cycle. The substrates are readily obtained by Pd/Xantphos-catalyzed reaction of adenine nucleosides with 2-bromo-1,1'-biaryls. In PhMe, the N6-biarylyl nucleosides gave C6-carbazolyl nucleoside analogues by C-N bond formation with the exocyclic N6 nitrogen atom. In the solvent screening for the Pd-catalyzed reactions, an uncatalyzed process was found to be operational. It was observed that the carbazolyl products could also be obtained in the absence of a metal catalyst by reaction with PhI(OAc)2 in 1,1,1,3,3,3-hexafluoroisopropanol (HFIP). Thus, under Pd catalysis and in HFIP, reactions proceed to provide carbazolyl nucleoside analogues, with some differences. If reactions of N6-biarylyl nucleoside substrates were conducted in MeCN, formation of aryl benzimidazopurinyl nucleoside derivatives was observed in many cases by C-N bond formation with the N1 ring nitrogen atom of the purine (carbazole and benzimidazole isomers are readily separated by chromatography). Whereas PdII/PdIV redox is responsible for carbazole formation under the metal-catalyzed conditions, in HFIP and MeCN radical cations and/or nitrenium ions can be intermediates. An extensive set of radical inhibition experiments was conducted and the data are presented.
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Affiliation(s)
- Sakilam Satishkumar
- Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA
| | - Suresh Poudapally
- Discovery Services, GVK Biosciences, Pvt. Ltd., 28A IDA Nacharam, Hyderabad 500076, Telangana, India
| | - Prasanna K Vuram
- Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA
| | - Venkateshwarlu Gurram
- Discovery Services, GVK Biosciences, Pvt. Ltd., 28A IDA Nacharam, Hyderabad 500076, Telangana, India
| | - Narender Pottabathini
- Discovery Services, GVK Biosciences, Pvt. Ltd., 28A IDA Nacharam, Hyderabad 500076, Telangana, India
| | - Dellamol Sebastian
- Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA.,The Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, USA
| | - Lijia Yang
- Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA
| | - Padmanava Pradhan
- Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA
| | - Mahesh K Lakshman
- Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, USA.,The Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10016, USA
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16
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Yamamoto K, Kamino S, Sawada D. Direct C-H substitution reaction of anilides using hypervalent iodine and their regioselective issues. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.08.079] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Matsumoto K, Tachikawa S, Hashimoto N, Nakano R, Yoshida M, Shindo M. Aerobic C–H Oxidation of Arenes Using a Recyclable, Heterogeneous Rhodium Catalyst. J Org Chem 2017; 82:4305-4316. [DOI: 10.1021/acs.joc.7b00300] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Kenji Matsumoto
- Faculty
of Pharmaceutical Sciences, Tokushima Bunri University, 180 Nishihama-Boji, Yamashiro-cho, Tokushima 770-8514, Japan
| | - Shohei Tachikawa
- Interdisciplinary
Graduate School of Engineering Sciences, Kyushu University, 6-1,
Kasuga-koen, Kasuga, Fukuoka 816-8580, Japan
| | - Noriko Hashimoto
- Faculty
of Pharmaceutical Sciences, Tokushima Bunri University, 180 Nishihama-Boji, Yamashiro-cho, Tokushima 770-8514, Japan
| | - Rina Nakano
- Faculty
of Pharmaceutical Sciences, Tokushima Bunri University, 180 Nishihama-Boji, Yamashiro-cho, Tokushima 770-8514, Japan
| | - Masahiro Yoshida
- Faculty
of Pharmaceutical Sciences, Tokushima Bunri University, 180 Nishihama-Boji, Yamashiro-cho, Tokushima 770-8514, Japan
| | - Mitsuru Shindo
- Institute
for Materials Chemistry and Engineering, Kyushu University, 6-1,
Kasuga-koen, Kasuga, Fukuoka 816-8580, Japan
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18
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Huang H, Wu Y, Zhang W, Feng C, Wang BQ, Cai WF, Hu P, Zhao KQ, Xiang SK. Copper-Catalyzed Regioselective C-H Sulfonyloxylation of Electron-Rich Arenes with p-Toluenesulfonic Acid and Sulfonyloxylation of Aryl(mesityl)iodonium Sulfonates. J Org Chem 2017; 82:3094-3101. [PMID: 28230367 DOI: 10.1021/acs.joc.7b00081] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Copper-catalyzed regioselective C-H sulfonyloxylation of electron-rich arenes with p-toluenesulfonic acid has been developed. Electron-rich benzene derivatives and heteroarenes can undergo this C-H sulfonyloxylation reaction to generate aryl tosylates. Furthermore, sulfonyloxylation of aryl(mesityl)iodonium sulfonates has also been investigated. Both aryl(mesityl)iodonium tosylates and triflates can react smoothly to get aryl sulfonates. The formed aryl sulfonates can be converted to phenols, as well as used as good partners of cross-coupling reactions.
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Affiliation(s)
- He Huang
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Yang Wu
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Wen Zhang
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Chun Feng
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Bi-Qin Wang
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Wan-Fei Cai
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Ping Hu
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Ke-Qing Zhao
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
| | - Shi-Kai Xiang
- College of Chemistry and Materials Science, Sichuan Normal University , Chengdu 610068, People's Republic of China
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19
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Satishkumar S, Lakshman MK. Benzimidazopurine nucleosides from N 6-aryl adenosine derivatives by PhI(OAc) 2-mediated C-N bond formation, no metal needed. Chem Commun (Camb) 2017; 53:2226-2229. [PMID: 27976760 DOI: 10.1039/c6cc07722f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of a variety of N6-aryl 2'-deoxyadenosine and adenosine derivatives with PhI(OAc)2 in 1,1,1,3,3,3-hexafluoro-2-propanol provides a facile access to benzimidazopurine nucleoside analogues by metal-free C-N bond formation with a purinyl nitrogen atom. These reactions likely proceed via radical-cation/radical processes as indicated by radical inhibition experiments.
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Affiliation(s)
- Sakilam Satishkumar
- Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, NY 10031, USA.
| | - Mahesh K Lakshman
- Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, NY 10031, USA. and The Ph.D. Program in Chemistry, The Graduate Center of The City University of New York, New York, NY 10016, USA
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20
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O'Hanlon JA, Ren X, Morris M, Wong LL, Robertson J. Hydroxylation of anilides by engineered cytochrome P450BM3. Org Biomol Chem 2017; 15:8780-8787. [DOI: 10.1039/c7ob02236k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Cytochrome P450BM3mutants achieve selectivepara-hydroxylation of substitutedN-sulfonylanilines under mild conditions.
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Affiliation(s)
- Jack A. O'Hanlon
- Department of Chemistry
- University of Oxford
- Chemistry Research laboratory
- Oxford
- UK
| | - Xinkun Ren
- Department of Chemistry
- University of Oxford
- Inorganic Chemistry Laboratory
- Oxford
- UK
| | - Melloney Morris
- Syngenta UK
- Jealott's Hill International Research Centre
- Bracknell
- UK
| | - Luet Lok Wong
- Department of Chemistry
- University of Oxford
- Inorganic Chemistry Laboratory
- Oxford
- UK
| | - Jeremy Robertson
- Department of Chemistry
- University of Oxford
- Chemistry Research laboratory
- Oxford
- UK
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21
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Wang Y, Wang Y, Zhang Q, Li D. Site-selective oxidative C–H sulfonylation of 8-acylaminoquinolines and anilides under metal-free conditions. Org Chem Front 2017. [DOI: 10.1039/c6qo00730a] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly site-selective oxidative C–H sulfonylation method for 8-acylaminoquinolines and anilides with sulfonyl chlorides has been developed, which provided C5-sulfonylated quinolines and para-sulfonylated anilides respectively.
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Affiliation(s)
- Yang Wang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
- Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy
| | - Ying Wang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
- Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy
| | - Qian Zhang
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
- Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy
| | - Dong Li
- School of Materials and Chemical Engineering
- Hubei University of Technology
- Wuhan 430068
- China
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22
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Wang Y, Wang Y, Guo Z, Zhang Q, Li D. Metal-Free Oxidative C−H Amination of 8-Acylaminoquinolines and Anilides with N
-Fluorobenzenesulfonimide. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600389] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Yang Wang
- Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy; Hubei University of Technology; Wuhan 430068 China
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Ying Wang
- Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy; Hubei University of Technology; Wuhan 430068 China
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Zhenyu Guo
- Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy; Hubei University of Technology; Wuhan 430068 China
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Qian Zhang
- Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy; Hubei University of Technology; Wuhan 430068 China
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
| | - Dong Li
- School of Materials and Chemical Engineering; Hubei University of Technology; Wuhan 430068 China
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23
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Izquierdo S, Essafi S, Del Rosal I, Vidossich P, Pleixats R, Vallribera A, Ujaque G, Lledós A, Shafir A. Acid Activation in Phenyliodine Dicarboxylates: Direct Observation, Structures, and Implications. J Am Chem Soc 2016; 138:12747-12750. [PMID: 27606591 DOI: 10.1021/jacs.6b07999] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The use of the hypervalent iodine reagents in oxidative processes has become a staple in modern organic synthesis. Frequently, the reactivity of λ3 iodanes is further enhanced by acids (Lewis or Brønsted). The origin of such activation, however, has remained elusive. Here, we use the common combination of PhI(OAc)2 with BF3·Et2O as a model to fully explore this activation phenomenon. In addition to the spectroscopic assessment of the dynamic acid-base interaction, for the first time the putative PIDA·BF3 complex has been isolated and its structure determined by X-ray diffraction. Consequences of such activation are discussed from a structural and electronic (DFT) points of views, including the origins of the enhanced reactivity.
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Affiliation(s)
- Susana Izquierdo
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology , 43007, Tarragona, Spain
| | - Stéphanie Essafi
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona , 08193 Cerdanyola del Vallès, Spain
| | - Iker Del Rosal
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona , 08193 Cerdanyola del Vallès, Spain
| | - Pietro Vidossich
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona , 08193 Cerdanyola del Vallès, Spain
| | - Roser Pleixats
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona , 08193 Cerdanyola del Vallès, Spain
| | - Adelina Vallribera
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona , 08193 Cerdanyola del Vallès, Spain
| | - Gregori Ujaque
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona , 08193 Cerdanyola del Vallès, Spain
| | - Agustí Lledós
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Autònoma de Barcelona , 08193 Cerdanyola del Vallès, Spain
| | - Alexandr Shafir
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology , 43007, Tarragona, Spain
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24
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Ji D, He X, Xu Y, Xu Z, Bian Y, Liu W, Zhu Q, Xu Y. Metal-Free Remote C–H Bond Amidation of 8-Amidoquinolines on the C5 Position under Mild Conditions. Org Lett 2016; 18:4478-81. [DOI: 10.1021/acs.orglett.6b01980] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Dezhong Ji
- State
Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Jiangsu
Key Laboratory of Drug Design and Optimization, Department of Medicinal
Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Xin He
- State
Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Changzhou Vocational
Institute of Engineering, Changzhou 213164, China
| | | | | | | | | | - Qihua Zhu
- State
Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Jiangsu
Key Laboratory of Drug Design and Optimization, Department of Medicinal
Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Yungen Xu
- State
Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
- Jiangsu
Key Laboratory of Drug Design and Optimization, Department of Medicinal
Chemistry, China Pharmaceutical University, Nanjing 210009, China
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25
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Abstract
The preparation, structure, and chemistry of hypervalent iodine compounds are reviewed with emphasis on their synthetic application. Compounds of iodine possess reactivity similar to that of transition metals, but have the advantage of environmental sustainability and efficient utilization of natural resources. These compounds are widely used in organic synthesis as selective oxidants and environmentally friendly reagents. Synthetic uses of hypervalent iodine reagents in halogenation reactions, various oxidations, rearrangements, aminations, C-C bond-forming reactions, and transition metal-catalyzed reactions are summarized and discussed. Recent discovery of hypervalent catalytic systems and recyclable reagents, and the development of new enantioselective reactions using chiral hypervalent iodine compounds represent a particularly important achievement in the field of hypervalent iodine chemistry. One of the goals of this Review is to attract the attention of the scientific community as to the benefits of using hypervalent iodine compounds as an environmentally sustainable alternative to heavy metals.
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Affiliation(s)
- Akira Yoshimura
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
| | - Viktor V Zhdankin
- Department of Chemistry and Biochemistry, University of Minnesota Duluth , Duluth, Minnesota 55812, United States
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26
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Vitaku E, Smith DT, Njardarson JT. Metal-Free Synthesis of Fluorinated Indoles Enabled by Oxidative Dearomatization. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201511149] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Edon Vitaku
- Department of Chemistry and Biochemistry; University of Arizona; 1306 E. University Blvd. Tucson AZ 85721 USA
| | - David T. Smith
- Department of Chemistry and Biochemistry; University of Arizona; 1306 E. University Blvd. Tucson AZ 85721 USA
| | - Jon T. Njardarson
- Department of Chemistry and Biochemistry; University of Arizona; 1306 E. University Blvd. Tucson AZ 85721 USA
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27
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Vitaku E, Smith DT, Njardarson JT. Metal-Free Synthesis of Fluorinated Indoles Enabled by Oxidative Dearomatization. Angew Chem Int Ed Engl 2016; 55:2243-7. [DOI: 10.1002/anie.201511149] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Indexed: 12/23/2022]
Affiliation(s)
- Edon Vitaku
- Department of Chemistry and Biochemistry; University of Arizona; 1306 E. University Blvd. Tucson AZ 85721 USA
| | - David T. Smith
- Department of Chemistry and Biochemistry; University of Arizona; 1306 E. University Blvd. Tucson AZ 85721 USA
| | - Jon T. Njardarson
- Department of Chemistry and Biochemistry; University of Arizona; 1306 E. University Blvd. Tucson AZ 85721 USA
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28
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Buckingham F, Calderwood S, Checa B, Keller T, Tredwell M, Collier TL, Newington IM, Bhalla R, Glaser M, Gouverneur V. Oxidative fluorination of N-arylsulfonamides. J Fluor Chem 2015. [DOI: 10.1016/j.jfluchem.2015.07.030] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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29
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Kita Y, Dohi T. Pioneering Metal-Free Oxidative Coupling Strategy of Aromatic Compounds Using Hypervalent Iodine Reagents. CHEM REC 2015. [DOI: 10.1002/tcr.201500020] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yasuyuki Kita
- College of Pharmaceutical Sciences; Ritsumeikan University; 1-1-1 Nojihigashi Kusatsu Shiga 525-8577 Japan
| | - Toshifumi Dohi
- College of Pharmaceutical Sciences; Ritsumeikan University; 1-1-1 Nojihigashi Kusatsu Shiga 525-8577 Japan
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30
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Pialat A, Bergès J, Sabourin A, Vinck R, Liégault B, Taillefer M. Iodine(III)-Mediatedpara-Selective Direct Imidation of Anilides. Chemistry 2015; 21:10014-8. [DOI: 10.1002/chem.201501553] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Indexed: 01/24/2023]
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31
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Krylov IB, Vil’ VA, Terent’ev AO. Cross-dehydrogenative coupling for the intermolecular C-O bond formation. Beilstein J Org Chem 2015; 11:92-146. [PMID: 25670997 PMCID: PMC4311763 DOI: 10.3762/bjoc.11.13] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 12/31/2014] [Indexed: 12/11/2022] Open
Abstract
The present review summarizes primary publications on the cross-dehydrogenative C-O coupling, with special emphasis on the studies published after 2000. The starting compound, which donates a carbon atom for the formation of a new C-O bond, is called the CH-reagent or the C-reagent, and the compound, an oxygen atom of which is involved in the new bond, is called the OH-reagent or the O-reagent. Alcohols and carboxylic acids are most commonly used as O-reagents; hydroxylamine derivatives, hydroperoxides, and sulfonic acids are employed less often. The cross-dehydrogenative C-O coupling reactions are carried out using different C-reagents, such as compounds containing directing functional groups (amide, heteroaromatic, oxime, and so on) and compounds with activated C-H bonds (aldehydes, alcohols, ketones, ethers, amines, amides, compounds containing the benzyl, allyl, or propargyl moiety). An analysis of the published data showed that the principles at the basis of a particular cross-dehydrogenative C-O coupling reaction are dictated mainly by the nature of the C-reagent. Hence, in the present review the data are classified according to the structures of C-reagents, and, in the second place, according to the type of oxidative systems. Besides the typical cross-dehydrogenative coupling reactions of CH- and OH-reagents, closely related C-H activation processes involving intermolecular C-O bond formation are discussed: acyloxylation reactions with ArI(O2CR)2 reagents and generation of O-reagents in situ from C-reagents (methylarenes, aldehydes, etc.).
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Affiliation(s)
- Igor B Krylov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Vera A Vil’
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Alexander O Terent’ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
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32
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Chi Y, Zhang WX, Xi Z. Oxidant-Switchable Selective Synthesis of 2-Aminobenzimidazoles via C–H Amination/Acetoxylation of Guanidines. Org Lett 2014; 16:6274-7. [DOI: 10.1021/ol502815p] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Yue Chi
- Beijing
National Laboratory for Molecular Sciences, and Key Laboratory of
Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
College of Chemistry, Peking University, Beijing 100871, China
| | - Wen-Xiong Zhang
- Beijing
National Laboratory for Molecular Sciences, and Key Laboratory of
Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
College of Chemistry, Peking University, Beijing 100871, China
- State
Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Zhenfeng Xi
- Beijing
National Laboratory for Molecular Sciences, and Key Laboratory of
Bioorganic Chemistry and Molecular Engineering of Ministry of Education,
College of Chemistry, Peking University, Beijing 100871, China
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33
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Chu JH, Hsu WT, Wu YH, Chiang MF, Hsu NH, Huang HP, Wu MJ. Substituent Electronic Effects Govern Direct Intramolecular C–N Cyclization of N-(Biphenyl)pyridin-2-amines Induced by Hypervalent Iodine(III) Reagents. J Org Chem 2014; 79:11395-408. [DOI: 10.1021/jo501822m] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jean-Ho Chu
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan 804
| | - Wen-Ting Hsu
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan 804
| | - Yi-Hua Wu
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan 804
| | - Meng-Fan Chiang
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan 804
| | - Nan-Hai Hsu
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan 804
| | - Hao-Ping Huang
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan 804
| | - Ming-Jung Wu
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung, Taiwan 804
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34
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Wang S, Ni Z, Wang Y, Pang Y, Pan Y. Highly selective acetoxylation of sulfonamides via using phenyliodine(III) diacetate. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.07.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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35
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Konnick MM, Hashiguchi BG, Devarajan D, Boaz NC, Gunnoe TB, Groves JT, Gunsalus N, Ess DH, Periana RA. Selective CH Functionalization of Methane, Ethane, and Propane by a Perfluoroarene Iodine(III) Complex. Angew Chem Int Ed Engl 2014; 53:10490-4. [DOI: 10.1002/anie.201406185] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Indexed: 11/10/2022]
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36
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Konnick MM, Hashiguchi BG, Devarajan D, Boaz NC, Gunnoe TB, Groves JT, Gunsalus N, Ess DH, Periana RA. Selective CH Functionalization of Methane, Ethane, and Propane by a Perfluoroarene Iodine(III) Complex. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201406185] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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37
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Kashiwa M, Sonoda M, Tanimori S. Facile Access to 1H-Indazoles through Iodobenzene-Catalyzed C-H Amination under Mild, Transition-Metal-Free Conditions. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402488] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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38
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Campos J, Goforth SK, Crabtree RH, Gunnoe TB. Metal-free amidation of ether sp3 C–H bonds with sulfonamides using PhI(OAc)2. RSC Adv 2014. [DOI: 10.1039/c4ra09665g] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Ether C–H bonds can be selectively amidated using simple sulfonamides and iodine oxidants in the absence of a metal catalyst.
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Affiliation(s)
- Jesús Campos
- Department of Chemistry
- Yale University
- New Haven, USA
| | - Sarah K. Goforth
- Department of Chemistry
- University of Virginia
- Charlottesville, USA
| | | | - T. Brent Gunnoe
- Department of Chemistry
- University of Virginia
- Charlottesville, USA
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39
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Ito M, Kubo H, Itani I, Morimoto K, Dohi T, Kita Y. Organocatalytic C–H/C–H′ Cross-Biaryl Coupling: C-Selective Arylation of Sulfonanilides with Aromatic Hydrocarbons. J Am Chem Soc 2013; 135:14078-81. [DOI: 10.1021/ja407944p] [Citation(s) in RCA: 133] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Motoki Ito
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi,
Kusatsu, Shiga, 525-8577, Japan
| | - Hiroko Kubo
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi,
Kusatsu, Shiga, 525-8577, Japan
| | - Itsuki Itani
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi,
Kusatsu, Shiga, 525-8577, Japan
| | - Koji Morimoto
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi,
Kusatsu, Shiga, 525-8577, Japan
| | - Toshifumi Dohi
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi,
Kusatsu, Shiga, 525-8577, Japan
| | - Yasuyuki Kita
- College of Pharmaceutical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi,
Kusatsu, Shiga, 525-8577, Japan
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40
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Schaal née Lennartz P, Baars H, Raabe G, Atodiresei I, Bolm C. Phenyliodine Diacetate-Mediatedpara-Functionalizations of Amido- and Amino-Substituted [2.2]Paracyclophanes. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300547] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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41
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Samanta R, Matcha K, Antonchick AP. Metal-Free Oxidative Carbon-Heteroatom Bond Formation Through C-H Bond Functionalization. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300286] [Citation(s) in RCA: 233] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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42
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Affiliation(s)
- Amélie Pialat
- Institut Charles Gerhardt, UMR-CNRS 5253, AM2N ENSCM, 8 rue de l′école normale, 34296 Montpellier Cedex 5, France
| | - Benoît Liégault
- Institut Charles Gerhardt, UMR-CNRS 5253, AM2N ENSCM, 8 rue de l′école normale, 34296 Montpellier Cedex 5, France
| | - Marc Taillefer
- Institut Charles Gerhardt, UMR-CNRS 5253, AM2N ENSCM, 8 rue de l′école normale, 34296 Montpellier Cedex 5, France
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43
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Alla SK, Kumar RK, Sadhu P, Punniyamurthy T. Iodobenzene Catalyzed C–H Amination of N-Substituted Amidines Using m-Chloroperbenzoic Acid. Org Lett 2013; 15:1334-7. [DOI: 10.1021/ol400274f] [Citation(s) in RCA: 134] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Santhosh Kumar Alla
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Rapolu Kiran Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India
| | - Pradeep Sadhu
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, India
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44
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Tian T, Zhong WH, Meng S, Meng XB, Li ZJ. Hypervalent Iodine Mediated para-Selective Fluorination of Anilides. J Org Chem 2012; 78:728-32. [DOI: 10.1021/jo302099d] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Tian Tian
- The State
Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical
Sciences, Peking University, Beijing 100191,
P R China
| | - Wen-He Zhong
- The State
Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical
Sciences, Peking University, Beijing 100191,
P R China
| | - Shuai Meng
- The State
Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical
Sciences, Peking University, Beijing 100191,
P R China
| | - Xiang-Bao Meng
- The State
Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical
Sciences, Peking University, Beijing 100191,
P R China
| | - Zhong-Jun Li
- The State
Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical
Sciences, Peking University, Beijing 100191,
P R China
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45
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Samanta R, Lategahn J, Antonchick AP. Metal-free direct oxidative intermolecular diarylation of anilides at ambient temperature assisted by cascade selective formation of C–C and C–N bonds. Chem Commun (Camb) 2012; 48:3194-6. [DOI: 10.1039/c2cc30324h] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Qiu D, Zheng Z, Mo F, Xiao Q, Tian Y, Zhang Y, Wang J. Gold(III)-Catalyzed Direct Acetoxylation of Arenes with Iodobenzene Diacetate. Org Lett 2011; 13:4988-91. [DOI: 10.1021/ol202075x] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Di Qiu
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Zhitong Zheng
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Fanyang Mo
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Qing Xiao
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Yu Tian
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Yan Zhang
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Jianbo Wang
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
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Liu H, Xie Y, Gu Y. A novel method for tosyloxylation of anilides using phenyliodine bistrifluoroacetate (PIFA). Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.06.041] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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48
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Fichtler R, Neudörfl JM, Jacobi von Wangelin A. Practical three-component synthesis of crowded arenes with donor–acceptor substitution. Org Biomol Chem 2011; 9:7224-36. [DOI: 10.1039/c1ob05984j] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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