1
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Zhou P, Wang C, Wan G, Zheng W, Wei Z, Liang T, Jiang J, Zhang Z. Regiodivergent Metal-Catalyzed Oxidative Alkynylation of 2-Arylthiazoles with Terminal Alkynes under Air Conditions. J Org Chem 2024; 89:10953-10964. [PMID: 39016014 DOI: 10.1021/acs.joc.4c01381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
Regiodivergent transition-metal-catalyzed oxidative C5- and ortho-alkynylation of 2-arylthiazoles have been demonstrated. Namely, Pd(II)-catalysis selectively generated C5-alkynylated products from the reaction of 2-arylthiazoles and terminal alkynes. In contrast, Ru(II)-catalysis exclusively provided ortho-alkynylated products from the same substrates. This protocol features a wide substrate scope, good functional group tolerance, high atom-economy, and exclusive regioselectivity. The alkynylated products can be readily converted into highly valuable synthons, which hold potential for applications in the fields of medicinal chemistry and materials science.
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Affiliation(s)
- Pengfei Zhou
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Cheng Wang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Guibin Wan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Weining Zheng
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Zongwu Wei
- School of Resources, Environment and Materials, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Taoyuan Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Jun Jiang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
| | - Zhuan Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, People's Republic of China
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2
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Das S, Datta T, Sk MA, Roy B, Nandi RK. Isoxazole group directed Rh(III)-catalyzed alkynylation using TIPS-EBX. Org Biomol Chem 2024. [PMID: 38978484 DOI: 10.1039/d4ob00797b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
A highly effective isoxazole directed ortho C-H alkynylation has been developed. Rhodium(III) catalyzed direct di-(and/or mono) alkynylation using a hypervalent iodine reagent (TIPS-EBX) is reported. The reaction proceeds with a wide substrate scope under benign conditions. Preliminary mechanistic studies support this chelation assisted C-H alkynylation.
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Affiliation(s)
- Sukanya Das
- Department of Chemistry, Jadavpur University, 188, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, West Bengal 700032, India.
| | - Tanmoy Datta
- Department of Chemistry, Kalyani University, Block C, Nadia, Kalyani, West Bengal 741235, India
| | - Md Abbasuddin Sk
- Department of Chemistry, Jadavpur University, 188, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, West Bengal 700032, India.
| | - Brindaban Roy
- Department of Chemistry, Kalyani University, Block C, Nadia, Kalyani, West Bengal 741235, India
| | - Raj K Nandi
- Department of Chemistry, Jadavpur University, 188, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, West Bengal 700032, India.
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3
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Zhou P, Liang X, Xu Z, Chen H, Wei Z, Liang T, Jiang J, Zhang Z. Regiodivergent C-H alkynylation of 2-arylthiazoles switched by Ru II and Pd II catalysis. Chem Commun (Camb) 2024; 60:6679-6682. [PMID: 38860866 DOI: 10.1039/d4cc02254h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
Two complementary regiodivergent C-H alkynylations of 2-arylthiazoles are reported. When RuII catalysis is employed, an aryl ortho-alkynylation process is favored. The alkynylated products are gained in good yields. With the use of PdII catalysis, a thiazole C5-alkynylation process is developed, allowing for the construction of C5-alkynylated products. This strategy not only expands the methods for the functionalization of 2-arylthiazoles, but also provides new opportunities for the rapid assembly of complex molecular structures, which may have great potential in organic synthesis, medicinal chemistry, and materials science.
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Affiliation(s)
- Pengfei Zhou
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China.
| | - Xinyao Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China.
| | - Zekun Xu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China.
| | - Honggu Chen
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China.
| | - Zongwu Wei
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, P. R. China
| | - Taoyuan Liang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China.
| | - Jun Jiang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China.
| | - Zhuan Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, P. R. China.
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4
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Dutta U, Prakash G, Devi K, Borah K, Zhang X, Maiti D. Directing group assisted para-selective C-H alkynylation of unbiased arenes enabled by rhodium catalysis. Chem Sci 2023; 14:11381-11388. [PMID: 37886091 PMCID: PMC10599460 DOI: 10.1039/d3sc03528j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 09/18/2023] [Indexed: 10/28/2023] Open
Abstract
Regioselective C-H alkynylation of arenes via C-H activation is challenging yet a highly desirable transformation. In this regard, directing group assisted C(sp2)-H alkynylation of arenes offers a unique opportunity to ensure precise regioselectivity. While the existing methods are mainly centered around ortho-C-H alkynylation and a few for meta-C-H alkynylation, the DG-assisted para-selective C-H alkynylation is yet to be reported. Herein we disclose the first report on Rh-catalyzed para-C-H alkynylation of sterically and electronically unbiased arenes. The para-selectivity is achieved with the assistance of a cyano-based directing template and the selectivity remained unaltered irrespective of the steric and electronic influence of the substituents. The post-synthetic modification of synthesized para-alkynylated arenes is also demonstrated. The mechanistic intricacies of the developed protocol are elucidated through experimental and computational studies.
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Affiliation(s)
- Uttam Dutta
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | - Gaurav Prakash
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | - Kirti Devi
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | - Kongkona Borah
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | - Xinglong Zhang
- Institute of High Performance Computing (IHPC), Agency for Science, Technology and Research (A*STAR) Singapore Singapore
| | - Debabrata Maiti
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
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5
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Baghel AS, Kumar A. Ru(II)-catalyzed external auxiliary-free primary amide-directed inverse Sonogashira reaction on (hetero)arylamides. Chem Commun (Camb) 2022; 58:11304-11307. [PMID: 36124904 DOI: 10.1039/d2cc03929j] [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
Herein, we report ruthenium(II)-catalyzed weakly coordinating primary amide-assisted ortho-di-alkynylation of (hetero)arylamides via double C-H bond activation in the presence of bromo-alkynes as coupling partners. The attractive features of the developed strategy lie in the usage of an inexpensive ruthenium(II)-salt, external auxiliary-free directing group and simple reaction conditions, along with a broad substrate scope, high reaction yields and scale-up synthesis.
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Affiliation(s)
- Akanksha Singh Baghel
- Department of Chemistry, Indian Institute of Technology Patna, Bihta 801106, Bihar, India.
| | - Amit Kumar
- Department of Chemistry, Indian Institute of Technology Patna, Bihta 801106, Bihar, India.
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6
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Zuo Z, Studer A. 1,3-Oxyalkynylation of Aryl Cyclopropanes with Ethylnylbenziodoxolones Using Photoredox Catalysis. Org Lett 2022; 24:949-954. [PMID: 35023750 DOI: 10.1021/acs.orglett.1c04319] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Alkynes and cyclopropanes are vital motifs in chemistry. Herein, a photoredox catalyzed 1,3-oxyalkynylation of aryl cyclopropanes with ethylnylbenziodoxolones (EBXs) in an atom-economic fashion is described. This cascade comprises single-electron oxidation of the aryl cyclopropane and nucleophilic ring opening followed by radical alkynylation at the benzylic position. The EBX compounds act as bifunctional reagents providing the nucleophilic acid as well as the alkynyl entity. The introduced method features mild conditions and wide substrate scope.
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Affiliation(s)
- Zhijun Zuo
- Organisch-Chemisches Institut, Westfalische Wilhelms-Universität, 48149 Münster, Germany
| | - Armido Studer
- Organisch-Chemisches Institut, Westfalische Wilhelms-Universität, 48149 Münster, Germany
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7
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Sasmal S, Prakash G, Dutta U, Laskar R, Lahiri GK, Maiti D. Directing Group Assisted Rhodium Catalyzed meta-CH Alkynylation of Arenes. Chem Sci 2022; 13:5616-5621. [PMID: 35694332 PMCID: PMC9116288 DOI: 10.1039/d2sc00982j] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 04/08/2022] [Indexed: 11/21/2022] Open
Abstract
Site-selective C-H alkynylation of arenes to produce aryl alkynes is a highly desirable transformation due to its prevalence in various natural products, drug molecules and in material sciences. To ensure...
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Affiliation(s)
- Sheuli Sasmal
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | - Gaurav Prakash
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | - Uttam Dutta
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | - Ranjini Laskar
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
| | | | - Debabrata Maiti
- IIT Bombay, Department of Chemistry Powai Mumbai 400076 India
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8
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Tan E, Montesinos-Magraner M, García-Morales C, Mayans JG, Echavarren AM. Rhodium-catalysed ortho-alkynylation of nitroarenes. Chem Sci 2021; 12:14731-14739. [PMID: 34820088 PMCID: PMC8597868 DOI: 10.1039/d1sc04527j] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/11/2021] [Indexed: 12/29/2022] Open
Abstract
The ortho-alkynylation of nitro-(hetero)arenes takes place in the presence of a Rh(iii) catalyst to deliver a wide variety of alkynylated nitroarenes regioselectively. These interesting products could be further derivatized by selective reduction of the nitro group or palladium-catalysed couplings. Experimental and computational mechanistic studies demonstrate that the reaction proceeds via a turnover-limiting electrophilic C-H metalation ortho to the strongly electron-withdrawing nitro group.
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Affiliation(s)
- Eric Tan
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST) Av. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili C/ Marcel·lí Domingo s/n 43007 Tarragona Spain
| | - Marc Montesinos-Magraner
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST) Av. Països Catalans 16 43007 Tarragona Spain
| | - Cristina García-Morales
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST) Av. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili C/ Marcel·lí Domingo s/n 43007 Tarragona Spain
| | - Joan Guillem Mayans
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST) Av. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili C/ Marcel·lí Domingo s/n 43007 Tarragona Spain
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology (BIST) Av. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili C/ Marcel·lí Domingo s/n 43007 Tarragona Spain
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9
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Suseelan Sarala A, Bhowmick S, Carvalho RL, Al‐Thabaiti SA, Mokhtar M, Silva Júnior EN, Maiti D. Transition‐Metal‐Catalyzed Selective Alkynylation of C−H Bonds. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100992] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Anjana Suseelan Sarala
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
- Department of Chemistry Saarland University 66123 Saarbrucken Germany
| | - Suman Bhowmick
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
| | - Renato L. Carvalho
- Department of Chemistry Federal University of Minas Gerais 31270-901 Belo Horizonte MG Brazil
| | | | - Mohamed Mokhtar
- Chemistry Department Faculty of Science King Abdulaziz University 21589 Jeddah Saudi Arabia
| | | | - Debabrata Maiti
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
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10
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Laru S, Bhattacharjee S, Singsardar M, Samanta S, Hajra A. Ru(II)-Catalyzed Switchable C-H Alkylation and Spirocyclization of 2-Arylquinoxalines with Maleimides via ortho-C-H Activation. J Org Chem 2021; 86:2784-2795. [PMID: 33444022 DOI: 10.1021/acs.joc.0c02745] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A Ru(II)-catalyzed facile and controllable protocol for C-H alkylation and spirocyclization of 2-arylquinoxalines with maleimides has been achieved under ambient air in high yields. Sequential ortho-C-H activation and C-annulation results in the formation of diverse polyheterocycles containing spiro[indeno[1,2-b]quinoxaline-11,3'-pyrrolidine]-2',5'-diones, which are of potent interest in medicinal chemistry. Mechanistic investigations suggest a reversible cleavage of the ortho-C-H bond in the turnover-limiting step.
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Affiliation(s)
- Sudip Laru
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
| | - Suvam Bhattacharjee
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
| | - Mukta Singsardar
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
| | - Sadhanendu Samanta
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
| | - Alakananda Hajra
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India
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11
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Ye X, Wang C, Zhang S, Wei J, Shan C, Wojtas L, Xie Y, Shi X. Facilitating Ir-Catalyzed C-H Alkynylation with Electrochemistry: Anodic Oxidation-Induced Reductive Elimination. ACS Catal 2020; 10:11693-11699. [PMID: 38107025 PMCID: PMC10723742 DOI: 10.1021/acscatal.0c03207] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
An electrochemical approach in promoting directed C-H alkynylation with terminal alkyne via iridium catalysis is reported. This work employed anodic oxidation of Ir(III) intermediate (characterized by X-ray crystallography) to promote reductive elimination, giving the desired coupling products in good yields (up to 95%) without the addition of any other external oxidants. This transformation is suitable for various directing groups with H2 as the only by-product, which warrants a high atom economy and practical oxidative C-C bond formation under mild conditions.
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Affiliation(s)
- Xiaohan Ye
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
| | - Chenhuan Wang
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
| | - Shuyao Zhang
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
| | - Jingwen Wei
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
| | - Chuan Shan
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
| | - Lukasz Wojtas
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
| | - Yan Xie
- College of Chemistry and Materials Engineering, Quzhou University, Quzhou 324000, P.R.China
| | - Xiaodong Shi
- Department of Chemistry, University of South Florida, Tampa, FL 33620, USA
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12
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Rao MLN, Ramakrishna BS. Rh-Catalyzed aldehydic C–H alkynylation and annulation. Org Biomol Chem 2020; 18:1402-1411. [DOI: 10.1039/c9ob02670c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel Rh-catalyzed aldehydic C–H bond alkynylation and annulation for the in situ synthesis of chromones and aurones are described.
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Affiliation(s)
- Maddali L. N. Rao
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur
- India
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13
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Sarathkumar S, Kavala V, Yao C. Microwave‐Assisted Ruthenium(II)‐Catalyzed C−H/N−O Activation of
N
‐Methoxybenzamides with Alkynylsulfane. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900383] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sundaramoorthi Sarathkumar
- Department of ChemistryNational Taiwan Normal University No, 88, Sec. 4, Ting-chow Rd Taipei- 11677 Taiwan R.O.C
| | - Veerababurao Kavala
- Department of ChemistryNational Taiwan Normal University No, 88, Sec. 4, Ting-chow Rd Taipei- 11677 Taiwan R.O.C
| | - Ching‐Fa Yao
- Department of ChemistryNational Taiwan Normal University No, 88, Sec. 4, Ting-chow Rd Taipei- 11677 Taiwan R.O.C
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14
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Li W, Liu H, Chen X, Li S, Zheng R, Zhang C, Zheng X, Yuan M, Li R, Fu H, Chen H. Palladium-catalyzed direct ortho-alkynylation of aryl acetamides with low catalyst loading. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.06.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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15
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Li M, Wang JH, Li W, Lin CD, Zhang LB, Wen LR. N-Phenoxyamides as Multitasking Reagents: Base-Controlled Selective Construction of Benzofurans or Dihydrobenzofuro[2,3-d]oxazoles. J Org Chem 2019; 84:8523-8530. [DOI: 10.1021/acs.joc.9b00858] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ming Li
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Jia-Hui Wang
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Wei Li
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Cheng-Dong Lin
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Lin-Bao Zhang
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
| | - Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao 266042, China
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16
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Chen CH, Chai Y, Zhou ZX, Rao WH, Liu B, Liu L, Xu R, Liu YJ, Zeng MH. Room-temperature Pd(ii)-catalyzed direct C–H TIPS-ethynylation of phenylacetic amides with terminal alkynes. Org Chem Front 2019. [DOI: 10.1039/c8qo01215f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ligand-promoted Pd(ii)-catalyzed direct C–H alkynylation of phenylacetic amides has been developed, where 8-aminoquinoline was employed as a removable bidentate auxiliary, giving rise to optically pure ortho-alkynylated α-APA.
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Affiliation(s)
- Cui-Hong Chen
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Yun Chai
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Zheng-Xin Zhou
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Wei-Hao Rao
- College of Chemistry and Chemical Engineering
- Xinyang Normal University
- Xinyang 464000
- China
| | - Bin Liu
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Li Liu
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Ran Xu
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Yue-Jin Liu
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
| | - Ming-Hua Zeng
- Hubei Collaborative Innovation Center for Advanced Chemical Materials
- Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules
- and College of Chemistry and Chemical Engineering
- Hubei University
- Wuhan
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17
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Wang S, Zhao X, Zhang-Negrerie D, Du Y. Reductive cleavage of the N–O bond: elemental sulfur-mediated conversion of N-alkoxyamides to amides. Org Chem Front 2019. [DOI: 10.1039/c8qo01052h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
By treating with elemental sulfur in the presence of DABCO in DMSO, a variety of N-alkoxyamides were readily converted to amides in satisfactory to excellent yields via a metal-free reductive cleavage of the N–O bond.
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Affiliation(s)
- Senlin Wang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency
- School of Pharmaceutical Science and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Xue Zhao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency
- School of Pharmaceutical Science and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Daisy Zhang-Negrerie
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency
- School of Pharmaceutical Science and Technology
- Tianjin University
- Tianjin 300072
- China
| | - Yunfei Du
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency
- School of Pharmaceutical Science and Technology
- Tianjin University
- Tianjin 300072
- China
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18
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Banerjee S, Senthilkumar B, Patil NT. Gold-Catalyzed 1,2-Oxyalkynylation of N-Allenamides with Ethylnylbenziodoxolones. Org Lett 2018; 21:180-184. [DOI: 10.1021/acs.orglett.8b03651] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Somsuvra Banerjee
- Division of Organic Chemistry, CSIR—National Chemical Laboratory, Dr. Homi Bhabha Road, Pune − 411 008, India
- Academy of Scientific and Innovative Research, Ghaziabad − 201 002, India
| | - Beeran Senthilkumar
- Division of Organic Chemistry, CSIR—National Chemical Laboratory, Dr. Homi Bhabha Road, Pune − 411 008, India
- Academy of Scientific and Innovative Research, Ghaziabad − 201 002, India
| | - Nitin T. Patil
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhauri, Bhopal − 462 066, India
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19
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Li M, Wang JH, Li W, Wen LR. Metal-Free Direct Construction of 2-(Oxazol-5-yl)phenols from N-Phenoxyamides and Alkynylbenziodoxolones via Sequential [3,3]-Rearrangement/Cyclization. Org Lett 2018; 20:7694-7698. [DOI: 10.1021/acs.orglett.8b03427] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ming Li
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Jia-Hui Wang
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Wei Li
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
| | - Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science & Technology, Qingdao, 266042, China
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20
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Gandeepan P, Müller T, Zell D, Cera G, Warratz S, Ackermann L. 3d Transition Metals for C-H Activation. Chem Rev 2018; 119:2192-2452. [PMID: 30480438 DOI: 10.1021/acs.chemrev.8b00507] [Citation(s) in RCA: 1423] [Impact Index Per Article: 237.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
C-H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug discovery, and pharmaceutical industries, among others. Despite major advances, the vast majority of these C-H functionalizations required precious 4d or 5d transition metal catalysts. Given the cost-effective and sustainable nature of earth-abundant first row transition metals, the development of less toxic, inexpensive 3d metal catalysts for C-H activation has gained considerable recent momentum as a significantly more environmentally-benign and economically-attractive alternative. Herein, we provide a comprehensive overview on first row transition metal catalysts for C-H activation until summer 2018.
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Affiliation(s)
- Parthasarathy Gandeepan
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Thomas Müller
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Daniel Zell
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Gianpiero Cera
- 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
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
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21
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Sambiagio C, Schönbauer D, Blieck R, Dao-Huy T, Pototschnig G, Schaaf P, Wiesinger T, Zia MF, Wencel-Delord J, Besset T, Maes BUW, Schnürch M. A comprehensive overview of directing groups applied in metal-catalysed C-H functionalisation chemistry. Chem Soc Rev 2018; 47:6603-6743. [PMID: 30033454 PMCID: PMC6113863 DOI: 10.1039/c8cs00201k] [Citation(s) in RCA: 1094] [Impact Index Per Article: 182.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Indexed: 12/20/2022]
Abstract
The present review is devoted to summarizing the recent advances (2015-2017) in the field of metal-catalysed group-directed C-H functionalisation. In order to clearly showcase the molecular diversity that can now be accessed by means of directed C-H functionalisation, the whole is organized following the directing groups installed on a substrate. Its aim is to be a comprehensive reference work, where a specific directing group can be easily found, together with the transformations which have been carried out with it. Hence, the primary format of this review is schemes accompanied with a concise explanatory text, in which the directing groups are ordered in sections according to their chemical structure. The schemes feature typical substrates used, the products obtained as well as the required reaction conditions. Importantly, each example is commented on with respect to the most important positive features and drawbacks, on aspects such as selectivity, substrate scope, reaction conditions, directing group removal, and greenness. The targeted readership are both experts in the field of C-H functionalisation chemistry (to provide a comprehensive overview of the progress made in the last years) and, even more so, all organic chemists who want to introduce the C-H functionalisation way of thinking for a design of straightforward, efficient and step-economic synthetic routes towards molecules of interest to them. Accordingly, this review should be of particular interest also for scientists from industrial R&D sector. Hence, the overall goal of this review is to promote the application of C-H functionalisation reactions outside the research groups dedicated to method development and establishing it as a valuable reaction archetype in contemporary R&D, comparable to the role cross-coupling reactions play to date.
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Affiliation(s)
- Carlo Sambiagio
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - David Schönbauer
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Remi Blieck
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Toan Dao-Huy
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Gerit Pototschnig
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Patricia Schaaf
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Thomas Wiesinger
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Muhammad Farooq Zia
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Joanna Wencel-Delord
- Laboratoire de Chimie Moléculaire (UMR CNRS 7509)
, Université de Strasbourg
,
ECPM 25 Rue Becquerel
, 67087 Strasbourg
, France
| | - Tatiana Besset
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Bert U. W. Maes
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - Michael Schnürch
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
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22
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Hermann GN, Unruh MT, Jung S, Krings M, Bolm C. Mechanochemical Rhodium(III)‐ and Gold(I)‐Catalyzed C−H Bond Alkynylations of Indoles under Solventless Conditions in Mixer Mills. Angew Chem Int Ed Engl 2018; 57:10723-10727. [DOI: 10.1002/anie.201805778] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Indexed: 12/18/2022]
Affiliation(s)
- Gary N. Hermann
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Marvin T. Unruh
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Se‐Hyeong Jung
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Maik Krings
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Carsten Bolm
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
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23
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Hermann GN, Unruh MT, Jung S, Krings M, Bolm C. Mechanochemical Rhodium(III)‐ and Gold(I)‐Catalyzed C−H Bond Alkynylations of Indoles under Solventless Conditions in Mixer Mills. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201805778] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Gary N. Hermann
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Marvin T. Unruh
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Se‐Hyeong Jung
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Maik Krings
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Carsten Bolm
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
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24
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Khake SM, Jain S, Patel UN, Gonnade RG, Vanka K, Punji B. Mechanism of Nickel(II)-Catalyzed C(2)–H Alkynylation of Indoles with Alkynyl Bromide. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00177] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Shrikant M. Khake
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110 020, India
| | | | - Ulhas N. Patel
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110 020, India
| | | | | | - Benudhar Punji
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110 020, India
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25
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Subramanian P, Kaliappan KP. Transition-Metal-Free Multicomponent Approach to Stereoenriched Cyclopentyl-isoxazoles through C-C Bond Cleavage. Chem Asian J 2018; 13:2031-2039. [PMID: 29920954 DOI: 10.1002/asia.201800608] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 06/11/2018] [Indexed: 01/01/2023]
Abstract
An efficient multicomponent reaction for the synthesis of stereoenriched cyclopentyl-isoxazoles from camphor-derived α-oximes, alkynes, and MeOH is reported. Our method involved a series of cascade transformations, including the in situ generation of an IIII catalyst, which catalyzed the addition of MeOH to a sterically hindered ketone. Oxidation of the oxime, and rearrangement of the α-hydroxyiminium ion generated a nitrile oxide in situ, which, upon [3+2] cycloaddition reaction with an alkyne, delivered the regioselective product. This reaction was very selective for the syn-oxime. This multicomponent approach was also extended to the synthesis of a new glycoconjugate, camphoric ester-isoxazole C-galactoside.
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Affiliation(s)
- Parthasarathi Subramanian
- Department of Chemistry, Indian Institute of Technology Bombay, Main Gate Road, Powai, Mumbai, 400076, India
| | - Krishna P Kaliappan
- Department of Chemistry, Indian Institute of Technology Bombay, Main Gate Road, Powai, Mumbai, 400076, India
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26
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Han WJ, Wang YR, Zhang JW, Chen F, Zhou B, Han B. Cu-Catalyzed Oxyalkynylation and Aminoalkynylation of Unactivated Alkenes: Synthesis of Alkynyl-Featured Isoxazolines and Cyclic Nitrones. Org Lett 2018; 20:2960-2963. [PMID: 29701474 DOI: 10.1021/acs.orglett.8b01004] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A convenient and efficient vicinal oxyalkynylation/aminoalkynylation of internal unactivated alkenes is achieved by means of a Cu-catalyzed radical cascade reaction of unsaturated ketoximes with ethynylbenziodoxolone (EBX) reagents. This protocol enables the synthesis of structurally valuable isoxazolines or cyclic nitrones and the introduction of an important alkyne group in a single operation. The reaction is characterized by a broad substrate scope for both unsaturated ketoximes and alkynylation reagents and a low catalyst loading.
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Affiliation(s)
- Wen-Jun Han
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , 730000 , P. R. China
| | - Yuan-Rui Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , 730000 , P. R. China
| | - Jian-Wu Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , 730000 , P. R. China
| | - Fei Chen
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , 730000 , P. R. China
| | - Bo Zhou
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , 730000 , P. R. China
| | - Bing Han
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , 730000 , P. R. China
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27
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Caspers LD, Nachtsheim BJ. Directing-Group-mediated C−H-Alkynylations. Chem Asian J 2018; 13:1231-1247. [DOI: 10.1002/asia.201800102] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 03/23/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Lucien D. Caspers
- Institut für Organische und Analytische Chemie; Universität Bremen; Leobener Straße NW2C 28359 Bremen Germany
| | - Boris J. Nachtsheim
- Institut für Organische und Analytische Chemie; Universität Bremen; Leobener Straße NW2C 28359 Bremen Germany
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28
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Tan E, Quinonero O, Elena de Orbe M, Echavarren AM. Broad-Scope Rh-Catalyzed Inverse-Sonogashira Reaction Directed by Weakly Coordinating Groups. ACS Catal 2018; 8:2166-2172. [PMID: 29527402 PMCID: PMC5838643 DOI: 10.1021/acscatal.7b04395] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 01/23/2018] [Indexed: 12/21/2022]
Abstract
We report the alkynylation of C(sp2)-H bonds with bromoalkynes (inverse-Sonogashira reaction) directed by synthetically useful ester, ketone, and ether groups under rhodium catalysis. Other less common directing groups such as amine, thioether, sulfoxide, sulfone, phenol ester, and carbamate are also suitable directing groups. Mechanistic studies indicate that the reaction proceeds by a turnover-limiting C-H activation step via an electrophilic-type substitution.
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Affiliation(s)
- Eric Tan
- Institute
of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Ophélie Quinonero
- Institute
of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - M. Elena de Orbe
- Institute
of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Antonio M. Echavarren
- Institute
of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
- Departament
de Química Orgànica i Analítica, Universitat Rovira i Virgili, C/Marcel·lí Domingo s/n, 43007 Tarragona, Spain
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29
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Zhou T, Li L, Li B, Song H, Wang B. Syntheses, Structures, and Reactions of Cyclometalated Rhodium, Iridium, and Ruthenium Complexes of N-Methoxy-4-nitrobenzamide. Organometallics 2018. [DOI: 10.1021/acs.organomet.7b00879] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | | | - Baiquan Wang
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, PR China
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30
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Shi Y, Li MS, Zhang F, Chen B. Nickel(ii)-catalyzed tandem C(sp2)–H bond activation and annulation of arenes with gem-dibromoalkenes. RSC Adv 2018; 8:28668-28675. [PMID: 35558433 PMCID: PMC9092601 DOI: 10.1039/c8ra03278e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 07/25/2018] [Indexed: 12/19/2022] Open
Abstract
A nickel(ii)/silver(i)-catalyzed tandem C(sp2)–H activation and intramolecular annulation of arenes with dibromoalkenes has been successfully achieved, which offers an efficient approach to the 3-methyleneisoindolin-1-one scaffold. Attractive features of this system include its low cost, ease of operation, and its ability to access a wide range of isoindolinones. A nickel(ii)/silver(i)-catalyzed tandem C(sp2)–H activation and intramolecular annulation of arenes with dibromoalkenes has been successfully achieved, which offers an efficient approach to the 3-methyleneisoindolin-1-one scaffold.![]()
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Affiliation(s)
- Yun Shi
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Lanzhou 730000
- P. R. China
| | - Meng-Sheng Li
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Lanzhou 730000
- P. R. China
| | - Fangdong Zhang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Lanzhou 730000
- P. R. China
| | - Baohua Chen
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Key Laboratory of Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
- Lanzhou 730000
- P. R. China
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31
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Hu S, Lu L, Zhu T, Wu Q, Chen Y, Li JJ, Zhao J. Rh(iii)-Catalyzedortho-C–H alkynylation ofN-phenoxyacetamides with hypervalent iodine-alkyne reagents at room temperature. Org Biomol Chem 2018; 16:43-47. [DOI: 10.1039/c7ob02438j] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Directing group ONHR preservedortho-alkynylation under mild conditions catalyzed by rhodium is reported.
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Affiliation(s)
- Sisheng Hu
- State Key Laboratory of Pharmaceutical Biotechnology
- School of Chemistry and Chemical Engineering
- Institute of Chemistry and BioMedical Sciences
- Nanjing University
- Nanjing
| | - Liang Lu
- State Key Laboratory of Pharmaceutical Biotechnology
- School of Chemistry and Chemical Engineering
- Institute of Chemistry and BioMedical Sciences
- Nanjing University
- Nanjing
| | - Tongyang Zhu
- State Key Laboratory of Pharmaceutical Biotechnology
- School of Chemistry and Chemical Engineering
- Institute of Chemistry and BioMedical Sciences
- Nanjing University
- Nanjing
| | - Qian Wu
- Guangdong Key Lab of Nano-Micro Material Research
- School of Chemical Biology and Biotechnology
- Shenzhen Graduate School of Peking University
- Shenzhen
- China
| | - Ying Chen
- Guangdong Key Lab of Nano-Micro Material Research
- School of Chemical Biology and Biotechnology
- Shenzhen Graduate School of Peking University
- Shenzhen
- China
| | - Jie Jack Li
- Department of Chemistry
- University of San Francisco
- San Francisco
- USA
| | - Jing Zhao
- State Key Laboratory of Pharmaceutical Biotechnology
- School of Chemistry and Chemical Engineering
- Institute of Chemistry and BioMedical Sciences
- Nanjing University
- Nanjing
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32
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Caramenti P, Waser J. Bench-Stable Electrophilic Indole and Pyrrole Reagents: Serendipitous Discovery and Use in C-H Functionalization. Helv Chim Acta 2017. [DOI: 10.1002/hlca.201700221] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Paola Caramenti
- Laboratory of Catalysis and Organic Synthesis; Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; Av. Forel 2 1015 Lausanne Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis; Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; Av. Forel 2 1015 Lausanne Switzerland
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33
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Tan E, Konovalov AI, Fernández GA, Dorel R, Echavarren AM. Ruthenium-Catalyzed Peri- and Ortho-Alkynylation with Bromoalkynes via Insertion and Elimination. Org Lett 2017; 19:5561-5564. [PMID: 28976200 PMCID: PMC5679662 DOI: 10.1021/acs.orglett.7b02655] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The alkynylation of naphthols takes place with total regiocontrol at the peri position of the hydroxyl group in the presence of [RuCl2(p-cymene)]2 as the catalyst. This reaction features high functional group tolerance. The related ortho-alkynylation of benzoic acids proceeds under similar conditions and also shows wide functional group tolerance. Both reactions proceed through metalation, insertion of the alkyne, and bromide elimination.
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Affiliation(s)
- Eric Tan
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology , Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Andrey I Konovalov
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology , Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Gabriela A Fernández
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology , Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Ruth Dorel
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology , Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology , Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili , C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
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34
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Caramenti P, Nicolai S, Waser J. Indole- and Pyrrole-BX: Bench-Stable Hypervalent Iodine Reagents for Heterocycle Umpolung. Chemistry 2017; 23:14702-14706. [PMID: 28796395 DOI: 10.1002/chem.201703723] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Indexed: 01/09/2023]
Abstract
The one-step synthesis of the bench-stable hypervalent iodine reagents IndoleBX and PyrroleBX using mild Lewis acid catalyzed conditions is reported. The new reagents are stable up to 150 °C and were applied in the C-H arylation of unactivated arenes using either rhodium or ruthenium catalysts. A broad range of heterocyclic systems of high interest for synthetic and medicinal chemistry was accessed in high yields. The developed C-H functionalization could not be achieved using reported reagents or methods, highlighting the unique reactivity of Indole- and Pyrrole-BX.
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Affiliation(s)
- Paola Caramenti
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015, Lausanne, Switzerland
| | - Stefano Nicolai
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015, Lausanne, Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015, Lausanne, Switzerland
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35
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Chen C, Zeng X. Ruthenium-Catalyzed Alkynylation of Benzoic Acids Mediated by a Weakly Coordination-Directing Auxiliary. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700788] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Changpeng Chen
- Center for Organic Chemistry; Frontier Institute of Science and Technology; Xi'an Jiaotong University; 710054 Xi'an China
| | - Xiaoming Zeng
- Center for Organic Chemistry; Frontier Institute of Science and Technology; Xi'an Jiaotong University; 710054 Xi'an China
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; 610064 Chengdu China
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36
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Mei R, Zhang SK, Ackermann L. Ruthenium(II)-Catalyzed C–H Alkynylation of Weakly Coordinating Benzoic Acids. Org Lett 2017; 19:3171-3174. [DOI: 10.1021/acs.orglett.7b01294] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Ruhuai Mei
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Shou-Kun Zhang
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
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37
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Wang SB, Gu Q, You SL. Rhodium(III)-Catalyzed C–H Alkynylation of Ferrocenes with Hypervalent Iodine Reagents. J Org Chem 2017; 82:11829-11835. [DOI: 10.1021/acs.joc.7b00775] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Shao-Bo Wang
- School
of Physical Science and Technology, ShanghaiTech University, 100 Haike
Road, Shanghai 201210, China
| | - Qing Gu
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 LinglingLu, Shanghai 200032, China
| | - Shu-Li You
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 LinglingLu, Shanghai 200032, China
- School
of Physical Science and Technology, ShanghaiTech University, 100 Haike
Road, Shanghai 201210, China
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38
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Iron-Catalyzed C−H Alkynylation through Triazole Assistance: Expedient Access to Bioactive Heterocycles. Chemistry 2017; 23:3577-3582. [DOI: 10.1002/chem.201700587] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Indexed: 12/20/2022]
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39
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Ruan Z, Sauermann N, Manoni E, Ackermann L. Manganese-Catalyzed C−H Alkynylation: Expedient Peptide Synthesis and Modification. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611118] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Zhixiong Ruan
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Nicolas Sauermann
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Elisabetta Manoni
- 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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40
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Ruan Z, Sauermann N, Manoni E, Ackermann L. Manganese-Catalyzed C−H Alkynylation: Expedient Peptide Synthesis and Modification. Angew Chem Int Ed Engl 2017; 56:3172-3176. [DOI: 10.1002/anie.201611118] [Citation(s) in RCA: 213] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Revised: 01/02/2017] [Indexed: 02/04/2023]
Affiliation(s)
- Zhixiong Ruan
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Nicolas Sauermann
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Elisabetta Manoni
- 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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41
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Caspers LD, Finkbeiner P, Nachtsheim BJ. Direct Electrophilic C−H Alkynylation of Unprotected 2-Vinylanilines. Chemistry 2017; 23:2748-2752. [DOI: 10.1002/chem.201606026] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Lucien D. Caspers
- Institut für Organische und Analytische Chemie; Universität Bremen; Leobener Straße NW2C 28359 Bremen Germany
| | - Peter Finkbeiner
- Department of Chemistry; University of California, Berkeley; Berkeley California 94720 USA
| | - Boris J. Nachtsheim
- Institut für Organische und Analytische Chemie; Universität Bremen; Leobener Straße NW2C 28359 Bremen Germany
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42
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Ming J, Hayashi T. Aryloxymethyltrifluoroborates for Rhodium-Catalyzed Asymmetric Conjugate Arylation. o-Methoxyarylation through 1,4-Rhodium Shift. Org Lett 2016; 18:6452-6455. [DOI: 10.1021/acs.orglett.6b03347] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Jialin Ming
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Tamio Hayashi
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
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