1
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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; 22:6922-6927. [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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2
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Saha A, Ghosh A, Guin S, Panda S, Mal DK, Majumdar A, Akita M, Maiti D. Substrate‐Rhodium Cooperativity in Photoinduced
ortho
‐Alkynylation of Arenes. Angew Chem Int Ed Engl 2022; 61:e202210492. [DOI: 10.1002/anie.202210492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Argha Saha
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Animesh Ghosh
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Srimanta Guin
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Sanjib Panda
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Dibya Kanti Mal
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Abhirup Majumdar
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
| | - Munetaka Akita
- Tokyo Tech World Research Hub Initiative (WRHI) Laboratory for Chemistry and Life Science Tokyo Institute of Technology Tokyo Japan
| | - Debabrata Maiti
- Department of Chemistry Indian Institute of Technology Bombay Powai Mumbai 400076 India
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3
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Saha A, Ghosh A, Guin S, Panda S, Mal DK, Majumdar A, Akita M, Maiti D. Substrate‐Rhodium Cooperativity in Photoinduced ortho‐Alkynylation of Arenes. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202210492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Argha Saha
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Animesh Ghosh
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Srimanta Guin
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Sanjib Panda
- Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Dibya Kanti Mal
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Abhirup Majumdar
- IIT Bombay: Indian Institute of Technology Bombay CHEMISTRY INDIA
| | - Munetaka Akita
- Tokyo Institute of Technology Chemistry and Life Science JAPAN
| | - Debabrata Maiti
- Indian Institute of Technology-Bombay Department of Chemistry Powai 400076 Mumbai INDIA
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4
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Mori A, Curpanen S, Pezzetta C, Perez-Luna A, Poli G, Oble J. C–H Activation Based Functionalizations of Furfural Derivatives. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Alessia Mori
- Sorbonne Université: Sorbonne Universite IPCM FRANCE
| | | | | | | | | | - Julie Oble
- Sorbonne Université: Sorbonne Universite IPCM FRANCE
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5
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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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6
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Khorsandi Z, Metkazini SFM, Heydari A, Varma RS. Visible light-driven direct synthesis of ketones from aldehydes via C H bond activation using NiCu nanoparticles adorned on carbon nano onions. MOLECULAR CATALYSIS 2021. [DOI: 10.1016/j.mcat.2021.111987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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7
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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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8
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Tan E, Nannini LJ, Stoica O, Echavarren AM. Rh-Catalyzed Ortho C–H Alkynylation of Aromatic Aldehydes. Org Lett 2021; 23:1263-1268. [DOI: 10.1021/acs.orglett.0c04243] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Eric Tan
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Leonardo J. Nannini
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Otilia Stoica
- 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
| | - Antonio M. Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
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9
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Wu M, Wang R, Chen F, Chen W, Zhou Z, Yi W. Synthesis of Indenopyrazole Frameworks via Cascade C–H Functionalization/[3 + 2] Dipolar Cycloaddition/Aromatization Rearrangement Reactions. Org Lett 2020; 22:7152-7157. [DOI: 10.1021/acs.orglett.0c02506] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Min Wu
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology, State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Ruiqi Wang
- School of Nursing, Suzhou Vocational Health College, Suzhou, Jiangsu 215009, China
| | - Fangyuan Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology, State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Weijie Chen
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology, State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Zhi Zhou
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology, State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Wei Yi
- Guangzhou Municipal and Guangdong Provincial Key Laboratory of Protein Modification and Degradation & Molecular Target and Clinical Pharmacology, State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
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10
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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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11
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Wang T, Wang YN, Wang R, Wang XS. Rhodium(III)-Catalyzed C-H Alkynylation of N-Methylsulfoximines. Chem Asian J 2018; 13:2449-2452. [PMID: 29978579 DOI: 10.1002/asia.201800889] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 07/03/2018] [Indexed: 11/07/2022]
Abstract
A rhodium(III)-catalyzed direct C-H alkynylation of a wide range of N-methylsulfoximines with (bromoethynyl)triisopropylsilane has been developed. This protocol is compatible with both (S,S)-diaryl sulfoximines and (S,S)-alkyl aryl sulfoximines, and shows mild conditions, and good functional group tolerance. The synthetic utility of this method has been demonstrated by subsequent various transformations of the products.
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Affiliation(s)
- Tao Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Yi-Ning Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Rui Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Xi-Sheng Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, Anhui, 230026, China
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12
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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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13
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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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14
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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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15
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Vásquez-Céspedes S, Wang X, Glorius F. Plausible Rh(V) Intermediates in Catalytic C–H Activation Reactions. ACS Catal 2017. [DOI: 10.1021/acscatal.7b03048] [Citation(s) in RCA: 114] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Suhelen Vásquez-Céspedes
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Xiaoming Wang
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
| | - Frank Glorius
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
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16
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Shen K, Wang Q. Copper-catalyzed aminoalkynylation of alkenes with hypervalent iodine reagents. Chem Sci 2017; 8:8265-8270. [PMID: 29568474 PMCID: PMC5857935 DOI: 10.1039/c7sc03420b] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Accepted: 10/15/2017] [Indexed: 12/30/2022] Open
Abstract
A copper-catalyzed aminoalkynylation of alkenes is achieved with ethynylbenziodoxolone (EBX) reagents under mild conditions with only 1 mol% copper catalyst. This transformation allows for rapid construction of diverse important azahetereocycles and installation of valuable alkyne groups in one step. The developed method features remarkable substrate scope for both terminal and internal alkenes as well as different alkynyl groups, presenting great potential for broad applications in synthesis, bioconjugation, and molecular imaging.
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Affiliation(s)
- Kun Shen
- Department of Chemistry , Duke University , Durham , NC 27708-0346 , USA .
| | - Qiu Wang
- Department of Chemistry , Duke University , Durham , NC 27708-0346 , USA .
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17
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Shinde PS, Patil NT. Gold-Catalyzed Dehydrazinative C(sp)-S Coupling Reactions of Arylsulfonyl Hydrazides with Ethynylbenziodoxolones for Accessing Alkynyl Sulfones. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700524] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Popat S. Shinde
- Division of Organic Chemistry; CSIR - National Chemical Laboratory; Dr. Homi Bhabha Road 411008 Pune India
- Academy of Scientific and Innovative Research (AcSIR); 110025 New Delhi India
| | - Nitin T. Patil
- Division of Organic Chemistry; CSIR - National Chemical Laboratory; Dr. Homi Bhabha Road 411008 Pune India
- Academy of Scientific and Innovative Research (AcSIR); 110025 New Delhi India
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18
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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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19
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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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20
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Fu H, Shen PX, He J, Zhang F, Li S, Wang P, Liu T, Yu JQ. Ligand-Enabled Alkynylation of C(sp3
)−H Bonds with Palladium(II) Catalysts. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201610426] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Haiyan Fu
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Peng-Xiang Shen
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Jian He
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Fanglin Zhang
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Suhua Li
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Peng Wang
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Tao Liu
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Jin-Quan Yu
- Department of Chemistry; The Scripps Research Institute (TSRI); 10550 North Torrey Pines Road La Jolla CA 92037 USA
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21
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Fu H, Shen PX, He J, Zhang F, Li S, Wang P, Liu T, Yu JQ. Ligand-Enabled Alkynylation of C(sp 3 )-H Bonds with Palladium(II) Catalysts. Angew Chem Int Ed Engl 2017; 56:1873-1876. [PMID: 28078773 DOI: 10.1002/anie.201610426] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Indexed: 01/04/2023]
Abstract
The palladium(II)-catalyzed β- and γ-alkynylation of amide C(sp3 )-H bonds is enabled by pyridine-based ligands. This alkynylation reaction is compatible with substrates containing α-tertiary or α-quaternary carbon centers. The β-methylene C(sp3 )-H bonds of various carbocyclic rings were also successfully alkynylated.
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Affiliation(s)
- Haiyan Fu
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Peng-Xiang Shen
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Jian He
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Fanglin Zhang
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Suhua Li
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Peng Wang
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Tao Liu
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA
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22
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Wu J, Xu K, Hirao H, Yoshikai N. Pd-Catalyzed, Ligand-Enabled Stereoselective 1,2-Iodine(III) Shift/1,1-Carboxyalkynylation of Alkynylbenziodoxoles. Chemistry 2017; 23:1521-1525. [PMID: 27966272 DOI: 10.1002/chem.201605772] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Indexed: 12/20/2022]
Abstract
A PdII -catalyzed 2:1 coupling reaction of alkynylbenziodoxole with carboxylic acid to afford (alk-1-en-3-ynyl)benziodoxole, which is efficiently promoted by an octahydrophenazine ligand, is reported. The reaction involves a Pd-assisted 1,2-iodine(III) shift of the alkynylbenziodoxole followed by stereoselective introduction of carboxy and alkynyl groups (the latter originating from another molecule of the alkynylbenziodoxole) into the 1-position of the transient Pd-vinylidene species. The product of this 1,1-carboxyalkynylation reaction serves as a new functionalized enyne-type building block for further synthetic transformations.
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Affiliation(s)
- Junliang Wu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
| | - Kai Xu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
| | - Hajime Hirao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
| | - Naohiko Yoshikai
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
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23
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Boobalan R, Gandeepan P, Cheng CH. Ruthenium-Catalyzed C–H Alkynylation of Aromatic Amides with Hypervalent Iodine–Alkyne Reagents. Org Lett 2016; 18:3314-7. [DOI: 10.1021/acs.orglett.6b01281] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ramadoss Boobalan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | | | - Chien-Hong Cheng
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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24
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Tang GD, Pan CL, Xie F. Ir(III)-catalyzed C-H alkynylation of arenes under chelation assistance. Org Biomol Chem 2016; 14:2898-904. [PMID: 26866401 DOI: 10.1039/c6ob00106h] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
An efficient and mild Ir(III)-catalyzed, chelation assisted C-H alkynylation of arenes has been developed using hypervalent iodine alkynes as alkynylating reagents. A broad scope of N-phenyl-2-aminopyridines and 2-phenoxypyridines has been established as effective substrates for this C-H functionalization and the desired alkynylated products were isolated in moderate to high yields.
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Affiliation(s)
- Guo-Dong Tang
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, 232001, Anhui, China. and Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 Liaoning, China.
| | - Cheng-Ling Pan
- School of Materials Science and Engineering, Anhui University of Science and Technology, Huainan, 232001, Anhui, China.
| | - Fang Xie
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023 Liaoning, China.
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25
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Shaikh AC, Shinde DR, Patil NT. Gold vs Rhodium Catalysis: Tuning Reactivity through Catalyst Control in the C–H Alkynylation of Isoquinolones. Org Lett 2016; 18:1056-9. [DOI: 10.1021/acs.orglett.6b00175] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Aslam C. Shaikh
- Division
of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New
Delhi 110025, India
| | - Dinesh R. Shinde
- Division
of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New
Delhi 110025, India
| | - Nitin T. Patil
- Division
of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi
Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New
Delhi 110025, India
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26
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Li Y, Hari DP, Vita MV, Waser J. Cyclic Hypervalent Iodine Reagents for Atom-Transfer Reactions: Beyond Trifluoromethylation. Angew Chem Int Ed Engl 2016; 55:4436-54. [DOI: 10.1002/anie.201509073] [Citation(s) in RCA: 272] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Indexed: 12/18/2022]
Affiliation(s)
- Yifan Li
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
| | - Durga Prasad Hari
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
| | - Maria Victoria Vita
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Switzerland
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27
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Li Y, Hari DP, Vita MV, Waser J. Cyclische hypervalente Iodreagentien für Atomtransferreaktionen - jenseits der Trifluormethylierung. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201509073] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yifan Li
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
| | - Durga Prasad Hari
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
| | - Maria Victoria Vita
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis; Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO; BCH 4306 1015 Lausanne CH Schweiz
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28
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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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29
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Shinde PS, Shaikh AC, Patil NT. Efficient access to alkynylated quinalizinones via the gold(i)-catalyzed aminoalkynylation of alkynes. Chem Commun (Camb) 2016; 52:8152-5. [DOI: 10.1039/c6cc03414d] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The gold-catalyzed aminoalkynylation of alkynes for the synthesis of quinalizinones from pyridinoalkynes using 1-[(triisopropylsilyl)-ethynyl]-1,2-benziodoxol-3(1H)-one (TIPS-EBX) is reported.
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Affiliation(s)
- Popat S. Shinde
- Division of Organic Chemistry
- CSIR – National Chemical Laboratory
- Pune – 411 008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Aslam C. Shaikh
- Division of Organic Chemistry
- CSIR – National Chemical Laboratory
- Pune – 411 008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Nitin T. Patil
- Division of Organic Chemistry
- CSIR – National Chemical Laboratory
- Pune – 411 008
- India
- Academy of Scientific and Innovative Research (AcSIR)
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30
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Yang X, Wang H, Zhou X, Li X. Iridium- and rhodium-catalyzed C–H activation and formyl arylation of benzaldehydes under chelation-assistance. Org Biomol Chem 2016; 14:5233-7. [DOI: 10.1039/c6ob00825a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Mild and efficient synthesis of benzophenones via Ir(iii)- and Rh(iii)-catalyzed, directing group-assisted formyl C–H arylation of benzaldehydes has been achieved using diaryliodonium salts, in which Rh(iii) and Ir(iii) catalysts exhibited a complementary substrate scope.
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Affiliation(s)
- Xifa Yang
- Dalian Institute of Chemical Physics
- Chinese Academy of Science
- Dalian 116023
- China
| | - He Wang
- Dalian Institute of Chemical Physics
- Chinese Academy of Science
- Dalian 116023
- China
| | - Xukai Zhou
- Dalian Institute of Chemical Physics
- Chinese Academy of Science
- Dalian 116023
- China
| | - Xingwei Li
- Dalian Institute of Chemical Physics
- Chinese Academy of Science
- Dalian 116023
- China
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31
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Yu W, Zhang W, Liu Z, Zhang Y. Cobalt(iii)-catalyzed annulation of esters and alkynes: a facile route to indenones. Chem Commun (Camb) 2016; 52:6837-40. [DOI: 10.1039/c6cc02468h] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient protocol for the synthesis of indenones has been developed via the annulation of benzoic esters and internal alkynes by exploiting the cobalt catalyst.
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Affiliation(s)
- Wenlong Yu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Wei Zhang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Zhanxiang Liu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Yuhong Zhang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
- State Key Laboratory of Applied Organic Chemistry
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32
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Akram MO, Bera S, Patil NT. A facile strategy for accessing 3-alkynylchromones through gold-catalyzed alkynylation/cyclization of o-hydroxyarylenaminones. Chem Commun (Camb) 2016; 52:12306-12309. [DOI: 10.1039/c6cc07119h] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
A strategy based on tandem alkynylation ofo-hydroxyarylenaminones followed by intramolecular cyclization has been developed to generate a diverse array of 3-alkynyl chromones.
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Affiliation(s)
- Manjur O. Akram
- Division of Organic Chemistry
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Saibal Bera
- Academy of Scientific and Innovative Research (AcSIR)
- New Delhi-110 025
- India
- Physical and Materials Chemistry Division
- CSIR-National Chemical Laboratory
| | - Nitin T. Patil
- Division of Organic Chemistry
- CSIR-National Chemical Laboratory
- Pune-411 008
- India
- Academy of Scientific and Innovative Research (AcSIR)
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33
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Yan Q, Chen Z, Liu Z, Zhang Y. Cobalt-catalyzed synthesis of quinolines from the redox-neutral annulation of anilides and alkynes. Org Chem Front 2016. [DOI: 10.1039/c6qo00059b] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new method of cobalt-catalyzed annulation of anilides and internal alkynes for the efficient synthesis of quinoline scaffolds was developed.
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Affiliation(s)
- Qiangqiang Yan
- ZJU-NHU United R&D Center
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Zhengkai Chen
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Zhanxiang Liu
- ZJU-NHU United R&D Center
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Yuhong Zhang
- ZJU-NHU United R&D Center
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
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34
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Zhang ZZ, Liu B, Wang CY, Shi BF. Cobalt(III)-Catalyzed C2-Selective C–H Alkynylation of Indoles. Org Lett 2015; 17:4094-7. [DOI: 10.1021/acs.orglett.5b02038] [Citation(s) in RCA: 162] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhuo-Zhuo Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Bin Liu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Cai-Yun Wang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
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35
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Wang H, Guo L, Wang S, Duan XH. Decarboxylative Alkynylation of α-Keto Acids and Oxamic Acids in Aqueous Media. Org Lett 2015; 17:3054-7. [DOI: 10.1021/acs.orglett.5b01336] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hua Wang
- Department
of Chemistry,
School of Science and MOE Key Laboratory for Nonequilibrium Synthesis
and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, China
| | - Li−Na Guo
- Department
of Chemistry,
School of Science and MOE Key Laboratory for Nonequilibrium Synthesis
and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, China
| | - Shun Wang
- Department
of Chemistry,
School of Science and MOE Key Laboratory for Nonequilibrium Synthesis
and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, China
| | - Xin-Hua Duan
- Department
of Chemistry,
School of Science and MOE Key Laboratory for Nonequilibrium Synthesis
and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, China
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36
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Jin N, Pan C, Zhang H, Xu P, Cheng Y, Zhu C. Rhodium-Catalyzed Direct C7 Alkynylation of Indolines. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201401007] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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37
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Wang H, Xie F, Qi Z, Li X. Iridium- and Rhodium-Catalyzed C–H Activation and Formyl Alkynylation of Benzaldehydes under Chelation-Assistance. Org Lett 2015; 17:920-3. [DOI: 10.1021/acs.orglett.5b00027] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- He Wang
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Fang Xie
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Zisong Qi
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xingwei Li
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
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38
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Wu Y, Yang Y, Zhou B, Li Y. Iridium(III)-Catalyzed C-7 Selective C–H Alkynylation of Indolines at Room Temperature. J Org Chem 2015; 80:1946-51. [DOI: 10.1021/jo502596k] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Yunxiang Wu
- Shanghai Institute of Materia
Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, P. R. China
| | - Yaxi Yang
- Shanghai Institute of Materia
Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, P. R. China
| | - Bing Zhou
- Shanghai Institute of Materia
Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, P. R. China
| | - Yuanchao Li
- Shanghai Institute of Materia
Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, P. R. China
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39
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Jia J, Shi J, Zhou J, Liu X, Song Y, Xu HE, Yi W. Rhodium(iii)-catalyzed C–H activation and intermolecular annulation with terminal alkynes: from indoles to carbazoles. Chem Commun (Camb) 2015; 51:2925-8. [DOI: 10.1039/c4cc09823d] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A new and mild Rh(iii)-catalyzed intermolecular annulation of indoles with terminal alkynes for the direct synthesis of carbazoles has been developed.
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Affiliation(s)
- Jinlong Jia
- VARI/SIMM Center
- Center for Structure and Function of Drug Targets
- CAS-Key Laboratory of Receptor Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
| | - Jingjing Shi
- VARI/SIMM Center
- Center for Structure and Function of Drug Targets
- CAS-Key Laboratory of Receptor Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
| | - Jie Zhou
- VARI/SIMM Center
- Center for Structure and Function of Drug Targets
- CAS-Key Laboratory of Receptor Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
| | - Xuelei Liu
- VARI/SIMM Center
- Center for Structure and Function of Drug Targets
- CAS-Key Laboratory of Receptor Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
| | - Yanling Song
- College of Pharmaceutical and Biological Engineering
- Shenyang University of Chemical Technology
- Shenyang 110142
- P. R. China
| | - H. Eric Xu
- VARI/SIMM Center
- Center for Structure and Function of Drug Targets
- CAS-Key Laboratory of Receptor Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
| | - Wei Yi
- VARI/SIMM Center
- Center for Structure and Function of Drug Targets
- CAS-Key Laboratory of Receptor Research
- Shanghai Institute of Materia Medica
- Chinese Academy of Sciences
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40
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Abstract
Alkynes are among the most versatile functional groups in organic synthesis. They are also frequently used in chemical biology and materials science. Whereas alkynes are traditionally added as nucleophiles into organic molecules, hypervalent iodine reagents offer a unique opportunity for the development of electrophilic alkyne synthons. Since 1985, alkynyliodonium salts have been intensively used for the alkynylation of nucleophiles, in particular soft carbon nucleophiles and heteroatoms. They have made an especially strong impact in the synthesis of highly useful ynamides. Nevertheless, their use has been limited by their instability. Since 2009, more stable ethynylbenziodoxol(on)e (EBX) reagents have been identified as superior electrophilic alkyne synthons in many transformations. They can be used for the alkynylation of acidic C-H bonds with bases or aromatic C-H bonds using transition metal catalysts. They were also highly successful for the functionalization of radicals or transition metal-catalyzed domino processes. Finally, they allowed the alkynylation of a further range of heteroatom nucleophiles, especially thiols, under exceptionally mild conditions. With these recent developments, hypervalent iodine reagents have definitively demonstrated their utility for the efficient synthesis of alkynes based on non-classical disconnections.
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