51
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Zhou W, Mei YL, Li B, Guan ZY, Deng QH. Synthesis of β-Alkyl 2-Hydroxychalcones by Rhodium-Catalyzed Coupling of N-Phenoxyacetamides and Nonterminal Propargyl Alcohols. Org Lett 2018; 20:5808-5812. [DOI: 10.1021/acs.orglett.8b02504] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Wei Zhou
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Yan-Le Mei
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Bin Li
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Zhen-Yu Guan
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Qing-Hai Deng
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai 200234, P. R. China
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52
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Isoquinoline synthesis by C-H activation/annulation using vinyl acetate as an acetylene equivalent. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.05.063] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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53
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Potter TJ, Li Y, Ward MD, Ellman JA. RhIII-Catalyzed Synthesis of Isoquinolones and 2-Pyridones via Annulation of N-Methoxyamides and Nitroalkenes. European J Org Chem 2018; 2018:4381-4388. [PMID: 30220876 PMCID: PMC6136657 DOI: 10.1002/ejoc.201800745] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Indexed: 12/14/2022]
Abstract
The Rh(III)-catalyzed synthesis of 4-substituted isoquinolones and 2-pyridones by the annulation of N-methoxyamides and nitroalkenes has been developed. Both aliphatic and aromatic nitroalkenes were effective inputs. Annulations also proceeded for aromatic, alkenyl, and heteroaromatic C-H bond starting materials. Moreover, benzoic acid provided a novel nitrodihydroisocoumarin. The structure and relative stereochemistry of this compound, which is an oil at room temperature, was determined unambiguously by single crystal X-ray diffraction of its inclusion complex with a hydrogen-bonded host framework.
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Affiliation(s)
- Tyler J. Potter
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Yuantao Li
- Department of Chemistry and Molecular Design Institute, New York University, 100 Washington Square East, Room 1001, New York City, NY 10009, United States
| | - Michael D. Ward
- Department of Chemistry and Molecular Design Institute, New York University, 100 Washington Square East, Room 1001, New York City, NY 10009, United States
| | - Jonathan A. Ellman
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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54
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Dey A, Rathi A, Volla CMR. Cobalt(III)-Catalyzed [4+2] Annulation of Heterobicyclic Alkenes by sp
2
C−H Activation. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800251] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Arnab Dey
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Anuja Rathi
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Chandra M. R. Volla
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
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55
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Yang T, Fan X, Zhao X, Yu W. Iron-Catalyzed Acyl Migration of Tertiary α-Azidyl Ketones: Synthetic Approach toward Enamides and Isoquinolones. Org Lett 2018; 20:1875-1879. [DOI: 10.1021/acs.orglett.8b00409] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Tonghao Yang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xing Fan
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiaopeng Zhao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Wei Yu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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56
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Muniraj N, Prabhu KR. Cobalt(III)−Catalyzed C−H Activation: A Secondary Amide Directed Decarboxylative Functionalization of Alkynyl Carboxylic Acids Wherein Amide NH-group Remains Unreactive. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701406] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Nachimuthu Muniraj
- Department of Organic Chemistry; Indian Institute of Science; Bangalore 560 012 Karnataka India
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57
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Kuppusamy R, Santhoshkumar R, Boobalan R, Wu HR, Cheng CH. Synthesis of 1,2-Dihydroquinolines by Co(III)-Catalyzed [3 + 3] Annulation of Anilides with Benzylallenes. ACS Catal 2018. [DOI: 10.1021/acscatal.7b04087] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ramajayam Kuppusamy
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | | | - Ramadoss Boobalan
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Hsin-Ru Wu
- Instrumentation
Center, MOST, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Chien-Hong Cheng
- Department
of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
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58
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Prakash S, Kuppusamy R, Cheng CH. Cobalt-Catalyzed Annulation Reactions via C−H Bond Activation. ChemCatChem 2018. [DOI: 10.1002/cctc.201701559] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sekar Prakash
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
| | - Ramajayam Kuppusamy
- 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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59
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Planas O, Chirila PG, Whiteoak CJ, Ribas X. Current Mechanistic Understanding of Cobalt-Catalyzed C–H Functionalization. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2018. [DOI: 10.1016/bs.adomc.2018.02.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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60
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Ujwaldev SM, Harry NA, Divakar MA, Anilkumar G. Cobalt-catalyzed C–H activation: recent progress in heterocyclic chemistry. Catal Sci Technol 2018. [DOI: 10.1039/c8cy01418c] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cobalt-catalyzed C–H activation has gone through some major advancements in the past couple of decades.
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Affiliation(s)
| | - Nissy Ann Harry
- School of Chemical Sciences
- Mahatma Gandhi University
- Kottayam
- India 686560
| | | | - Gopinathan Anilkumar
- School of Chemical Sciences
- Mahatma Gandhi University
- Kottayam
- India 686560
- Advanced Molecular Materials Research Centre (AMMRC)
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61
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Thorat VH, Upadhyay NS, Murakami M, Cheng CH. Nickel-Catalyzed Denitrogenative Annulation of 1,2,3-Benzotriazin-4-(3H
)-ones with Benzynes for Construction of Phenanthridinone Scaffolds. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701143] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University; Katsura Kyoto 615-8510 Japan
| | - Chien-Hong Cheng
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
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62
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Sen M, Mandal R, Das A, Kalsi D, Sundararaju B. Cp*CoIII
-Catalyzed Bis-isoquinolone Synthesis by C−H Annulation of Arylamide with 1,3-Diyne. Chemistry 2017; 23:17454-17457. [DOI: 10.1002/chem.201704155] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Indexed: 12/27/2022]
Affiliation(s)
- Malay Sen
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur Uttar Pradesh India
| | - Rajib Mandal
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur Uttar Pradesh India
| | - Ashis Das
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur Uttar Pradesh India
| | - Deepti Kalsi
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur Uttar Pradesh India
| | - Basker Sundararaju
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur Uttar Pradesh India
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63
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Han XL, Zhou CJ, Liu XG, Zhang SS, Wang H, Li Q. Regioselective Synthesis of 5-Aminooxazoles via Cp*Co(III)-Catalyzed Formal [3 + 2] Cycloaddition of N-(Pivaloyloxy)amides with Ynamides. Org Lett 2017; 19:6108-6111. [DOI: 10.1021/acs.orglett.7b02959] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiang-Lei Han
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Chu-Jun Zhou
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Xu-Ge Liu
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Shang-Shi Zhang
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Honggen Wang
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Qingjiang Li
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
- State
Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100191, China
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64
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Manoharan R, Jeganmohan M. Cobalt-Catalyzed Oxidative Cyclization of Benzamides with Maleimides: Synthesis of Isoindolone Spirosuccinimides. Org Lett 2017; 19:5884-5887. [DOI: 10.1021/acs.orglett.7b02873] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ramasamy Manoharan
- Department
of Chemistry, Indian Institute of Science Education and Research, Pune 411008, India
| | - Masilamani Jeganmohan
- Department
of Chemistry, Indian Institute of Science Education and Research, Pune 411008, India
- Department
of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
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65
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Yu X, Chen K, Guo S, Shi P, Song C, Zhu J. Direct Access to Cobaltacycles via C–H Activation: N-Chloroamide-Enabled Room-Temperature Synthesis of Heterocycles. Org Lett 2017; 19:5348-5351. [DOI: 10.1021/acs.orglett.7b02632] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Xiaolong Yu
- Department of Polymer Science
and Engineering, School of Chemistry and Chemical Engineering, State
Key Laboratory of Coordination Chemistry, Nanjing National Laboratory
of Microstructures, Collaborative Innovation Center of Chemistry for
Life Sciences, Nanjing University, Nanjing 210093, China
| | - Kehao Chen
- Department of Polymer Science
and Engineering, School of Chemistry and Chemical Engineering, State
Key Laboratory of Coordination Chemistry, Nanjing National Laboratory
of Microstructures, Collaborative Innovation Center of Chemistry for
Life Sciences, Nanjing University, Nanjing 210093, China
| | - Shan Guo
- Department of Polymer Science
and Engineering, School of Chemistry and Chemical Engineering, State
Key Laboratory of Coordination Chemistry, Nanjing National Laboratory
of Microstructures, Collaborative Innovation Center of Chemistry for
Life Sciences, Nanjing University, Nanjing 210093, China
| | - Pengfei Shi
- Department of Polymer Science
and Engineering, School of Chemistry and Chemical Engineering, State
Key Laboratory of Coordination Chemistry, Nanjing National Laboratory
of Microstructures, Collaborative Innovation Center of Chemistry for
Life Sciences, Nanjing University, Nanjing 210093, China
| | - Chao Song
- Department of Polymer Science
and Engineering, School of Chemistry and Chemical Engineering, State
Key Laboratory of Coordination Chemistry, Nanjing National Laboratory
of Microstructures, Collaborative Innovation Center of Chemistry for
Life Sciences, Nanjing University, Nanjing 210093, China
| | - Jin Zhu
- Department of Polymer Science
and Engineering, School of Chemistry and Chemical Engineering, State
Key Laboratory of Coordination Chemistry, Nanjing National Laboratory
of Microstructures, Collaborative Innovation Center of Chemistry for
Life Sciences, Nanjing University, Nanjing 210093, China
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66
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Lv N, Liu Y, Xiong C, Liu Z, Zhang Y. Cobalt-Catalyzed Oxidant-Free Spirocycle Synthesis by Liberation of Hydrogen. Org Lett 2017; 19:4640-4643. [DOI: 10.1021/acs.orglett.7b02266] [Citation(s) in RCA: 84] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Ningning Lv
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Yue Liu
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Chunhua Xiong
- Department
of Applied Chemistry, Zhejiang Gongshang University, Hangzhou 310012, 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, Lanzhou University, Lanzhou 730000, China
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67
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Cobalt-Catalyzedortho-C−H Functionalization/Alkyne Annulation of Benzylamine Derivatives: Access to Dihydroisoquinolines. Chemistry 2017. [DOI: 10.1002/chem.201702283] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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68
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Lerchen A, Knecht T, Koy M, Daniliuc CG, Glorius F. A General Cp*CoIII-Catalyzed Intramolecular C−H Activation Approach for the Efficient Total Syntheses of Aromathecin, Protoberberine, and Tylophora Alkaloids. Chemistry 2017; 23:12149-12152. [DOI: 10.1002/chem.201702648] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Andreas Lerchen
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstrasse 40 48149 Münster Germany
| | - Tobias Knecht
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstrasse 40 48149 Münster Germany
| | - Maximilian Koy
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstrasse 40 48149 Münster Germany
| | - Constantin G. Daniliuc
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstrasse 40 48149 Münster Germany
| | - Frank Glorius
- Westfälische Wilhelms-Universität Münster; Organisch-Chemisches Institut; Corrensstrasse 40 48149 Münster Germany
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69
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Sen M, Dahiya P, Premkumar JR, Sundararaju B. Dehydrative Cp*Co(III)-Catalyzed C–H Bond Allenylation. Org Lett 2017; 19:3699-3702. [DOI: 10.1021/acs.orglett.7b01415] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Malay Sen
- Fine
Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Pardeep Dahiya
- Fine
Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - J. Richard Premkumar
- Department
of Chemistry, Vivekananda College of Arts and Sciences for Women, Tiruchengode, Tamilnadu 637 205, India
| | - Basker Sundararaju
- Fine
Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
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70
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Sanjosé-Orduna J, Gallego D, Garcia-Roca A, Martin E, Benet-Buchholz J, Pérez-Temprano MH. Capturing Elusive Cobaltacycle Intermediates: A Real-Time Snapshot of the Cp*CoIII
-Catalyzed Oxidative Alkyne Annulation. Angew Chem Int Ed Engl 2017; 56:12137-12141. [DOI: 10.1002/anie.201704744] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/01/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Jesús Sanjosé-Orduna
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Daniel Gallego
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Alèria Garcia-Roca
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Eddy Martin
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Jordi Benet-Buchholz
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Mónica H. Pérez-Temprano
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
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71
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Sanjosé-Orduna J, Gallego D, Garcia-Roca A, Martin E, Benet-Buchholz J, Pérez-Temprano MH. Capturing Elusive Cobaltacycle Intermediates: A Real-Time Snapshot of the Cp*CoIII
-Catalyzed Oxidative Alkyne Annulation. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704744] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jesús Sanjosé-Orduna
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Daniel Gallego
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Alèria Garcia-Roca
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Eddy Martin
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Jordi Benet-Buchholz
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Mónica H. Pérez-Temprano
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
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72
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Yao X, Jin L, Rao Y. Synthesis of Phosphaisoquinolin-1-one by Annulation of Aryl Phosphinamides with Allenes through a Cobalt-Promoted C−H Functionalization. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700215] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xia Yao
- MOE Key Laboratory of Protein Sciences; School of Pharmaceutical Sciences, Tsinghua University; Beijing 100084 China
| | - Lu Jin
- State Key Laboratory of Functions and Applications of Medicinal Plants; Guizhou Medical University; Guiyang 550014 China
| | - Yu Rao
- MOE Key Laboratory of Protein Sciences; School of Pharmaceutical Sciences, Tsinghua University; Beijing 100084 China
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73
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Pototschnig G, Maulide N, Schnürch M. Direct Functionalization of C-H Bonds by Iron, Nickel, and Cobalt Catalysis. Chemistry 2017; 23:9206-9232. [PMID: 28590552 DOI: 10.1002/chem.201605657] [Citation(s) in RCA: 151] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Revised: 02/08/2017] [Indexed: 11/06/2022]
Abstract
Non-precious-metal-catalyzed reactions are of increasing importance in chemistry due to the outstanding ecological and economic properties of these metals. In the subfield of metal-catalyzed direct C-H functionalization reactions, recent years have shown an increasing number of publications dedicated to this topic. Nickel, cobalt, and last but not least iron, have started to enter a field which was long dominated by precious metals such as palladium, rhodium, ruthenium, and iridium. The present review article summarizes the development of iron-, nickel-, and cobalt-catalyzed C-H functionalization reactions until the end of 2016, and discusses the scope and limitations of these transformations.
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Affiliation(s)
- Gerit Pototschnig
- The Warren and Katharine Schlinger Laboratory for Chemistry and Chemical Engineering, Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E California Blvd, Pasadena, California, 91125, USA
| | - Nuno Maulide
- Institute of Organic Chemistry, University of Vienna, Währingerstrasse 38, 1090, Vienna, Austria
| | - Michael Schnürch
- Institute of Applied Synthetic Chemistry, TU Wien, Getreidemarkt 9/163, 1060, Vienna, Austria
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74
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Chavan LN, Gollapelli KK, Chegondi R, Pawar AB. Cp*Co(III)-Catalyzed C–H Functionalization Cascade of N-Methoxyamides with Alkynedione for the Synthesis of Indolizidines. Org Lett 2017; 19:2186-2189. [DOI: 10.1021/acs.orglett.7b00904] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Lahu N. Chavan
- Division
of Natural Product Chemistry, CSIR−Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110020, India
| | - Krishna Kumar Gollapelli
- Division
of Natural Product Chemistry, CSIR−Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Rambabu Chegondi
- Division
of Natural Product Chemistry, CSIR−Indian Institute of Chemical Technology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi 110020, India
| | - Amit B. Pawar
- Division
of Natural Product Chemistry, CSIR−Indian Institute of Chemical Technology, Hyderabad 500007, India
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75
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Petrova E, Rasina D, Jirgensons A. N-Sulfonylcarboxamide as an Oxidizing Directing Group for Ruthenium-Catalyzed C-H Activation/Annulation. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601582] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Elina Petrova
- Latvian Institute of Organic Synthesis; Aizkraukles 21 1006 Riga Latvia
| | - Dace Rasina
- Latvian Institute of Organic Synthesis; Aizkraukles 21 1006 Riga Latvia
| | - Aigars Jirgensons
- Latvian Institute of Organic Synthesis; Aizkraukles 21 1006 Riga Latvia
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76
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Sharma N, Saha R, Parveen N, Sekar G. Palladium-Nanoparticles-Catalyzed Oxidative Annulation of Benzamides with Alkynes for the Synthesis of Isoquinolones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601137] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Nidhi Sharma
- Department of Chemistry; Indian Institute of Technology Madras; Chennai Tamil Nadu - 600036 India
| | - Rajib Saha
- Department of Chemistry; Indian Institute of Technology Madras; Chennai Tamil Nadu - 600036 India
| | - Naziya Parveen
- Department of Chemistry; Indian Institute of Technology Madras; Chennai Tamil Nadu - 600036 India
| | - Govindasamy Sekar
- Department of Chemistry; Indian Institute of Technology Madras; Chennai Tamil Nadu - 600036 India
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77
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Yoshino T, Matsunaga S. (Pentamethylcyclopentadienyl)cobalt(III)-Catalyzed C-H Bond Functionalization: From Discovery to Unique Reactivity and Selectivity. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700042] [Citation(s) in RCA: 356] [Impact Index Per Article: 50.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences; Hokkaido University; Sapporo 060-0812 Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences; Hokkaido University; Sapporo 060-0812 Japan
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78
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Wu X, Wang B, Zhou Y, Liu H. Propargyl Alcohols as One-Carbon Synthons: Redox-Neutral Rhodium(III)-Catalyzed C–H Bond Activation for the Synthesis of Isoindolinones Bearing a Quaternary Carbon. Org Lett 2017; 19:1294-1297. [DOI: 10.1021/acs.orglett.7b00089] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiaowei Wu
- Key
Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
- University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, China
| | - Bao Wang
- Key
Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
- School
of Life Science and Technology, ShanghaiTech University, 100 Haike
Road, Pudong, Shanghai 201210, China
| | - Yu Zhou
- Key
Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
| | - Hong Liu
- Key
Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
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79
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Lan T, Wang L, Rao Y. Regioselective Annulation of Aryl Sulfonamides with Allenes through Cobalt-Promoted C–H Functionalization. Org Lett 2017; 19:972-975. [DOI: 10.1021/acs.orglett.6b03510] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Tianlong Lan
- MOE Key Laboratory
of Protein
Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Liguo Wang
- MOE Key Laboratory
of Protein
Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
| | - Yu Rao
- MOE Key Laboratory
of Protein
Sciences, School of Pharmaceutical Sciences, Tsinghua University, Beijing 100084, China
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80
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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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81
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High-Valent Cobalt-Catalyzed C H Bond Functionalization. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2017. [DOI: 10.1016/bs.adomc.2017.07.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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82
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Chirila PG, Whiteoak CJ. Recent advances using [Cp*Co(CO)I2] catalysts as a powerful tool for C–H functionalisation. Dalton Trans 2017; 46:9721-9739. [DOI: 10.1039/c7dt01980g] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This perspective highlights recent applications of Cp*CoIII catalysts in C–H functionalisation protocols, exemplifying both terminal couplings and heterocycle formation.
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Affiliation(s)
- Paula G. Chirila
- Biomolecular Sciences Research Centre (BMRC) and Department of Biosciences and Chemistry
- Faculty of Health and Wellbeing
- Sheffield Hallam University
- Sheffield
- UK
| | - Christopher J. Whiteoak
- Biomolecular Sciences Research Centre (BMRC) and Department of Biosciences and Chemistry
- Faculty of Health and Wellbeing
- Sheffield Hallam University
- Sheffield
- UK
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83
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Cera G, Haven T, Ackermann L. Iron-catalyzed C–H/N–H activation by triazole guidance: versatile alkyne annulation. Chem Commun (Camb) 2017; 53:6460-6463. [DOI: 10.1039/c7cc03376a] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iron-catalyzed C–H/N–H functionalizations were achieved by the aid of modular triazole amides.
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Affiliation(s)
- G. Cera
- Institut für Organische und Biomolekulare Chemie
- Georg-August-Universität
- 37077 Göttingen
- Germany
| | - T. Haven
- Institut für Organische und Biomolekulare Chemie
- Georg-August-Universität
- 37077 Göttingen
- Germany
| | - L. Ackermann
- Institut für Organische und Biomolekulare Chemie
- Georg-August-Universität
- 37077 Göttingen
- Germany
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84
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Bera SS, Debbarma S, Ghosh AK, Chand S, Maji MS. Cp*CoIII–Catalyzed syn-Selective C–H Hydroarylation of Alkynes Using Benzamides: An Approach Toward Highly Conjugated Organic Frameworks. J Org Chem 2016; 82:420-430. [DOI: 10.1021/acs.joc.6b02516] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Sourav Sekhar Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, W. B., India
| | - Suvankar Debbarma
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, W. B., India
| | - Avick Kumar Ghosh
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, W. B., India
| | - Santanu Chand
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, W. B., India
| | - Modhu Sudan Maji
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, W. B., India
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85
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Boerth JA, Hummel JR, Ellman JA. Highly Stereoselective Cobalt(III)-Catalyzed Three-Component C-H Bond Addition Cascade. Angew Chem Int Ed Engl 2016; 55:12650-4. [PMID: 27305062 PMCID: PMC5039075 DOI: 10.1002/anie.201603831] [Citation(s) in RCA: 134] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Indexed: 01/08/2023]
Abstract
A highly stereoselective three-component C(sp(2) )-H bond addition across alkene and polarized π-bonds is reported for which Co(III) catalysis was shown to be much more effective than Rh(III) . The reaction proceeds at ambient temperature with both aryl and alkyl enones employed as efficient coupling partners. Moreover, the reaction exhibits extremely broad scope with respect to the aldehyde input; electron rich and poor aromatic, alkenyl, and branched and unbranched alkyl aldehydes all couple in good yield and with high diastereoselectivity. Multiple directing groups participate in this transformation, including pyrazole, pyridine, and imine functional groups. Both aromatic and alkenyl C(sp(2) )-H bonds undergo the three-component addition cascade, and the alkenyl addition product can readily be converted into diastereomerically pure five-membered lactones. Additionally, the first asymmetric reactions with Co(III) -catalyzed C-H functionalization are demonstrated with three-component C-H bond addition cascades employing N-tert-butanesulfinyl imines. These examples represent the first transition metal catalyzed C-H bond additions to N-tert-butanesulfinyl imines, which are versatile and extensively used intermediates for the asymmetric synthesis of amines.
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Affiliation(s)
- Jeffrey A Boerth
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06520, USA
| | - Joshua R Hummel
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06520, USA
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, 225 Prospect St., New Haven, CT, 06520, USA.
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86
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Rasheed S, Rao DN, Das P. Cobalt(II)-Catalyzed C−N Bond Formation: Synthesis of Aryl-Substituted Imidazo[1,2-a]pyridines. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201600326] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Sk. Rasheed
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu- 180001 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi- 110025 India
| | - Desaboini Nageswar Rao
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu- 180001 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi- 110025 India
| | - Parthasarathi Das
- Medicinal Chemistry Division; CSIR-Indian Institute of Integrative Medicine; Canal Road Jammu- 180001 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi- 110025 India
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87
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Kalsi D, Laskar RA, Barsu N, Premkumar JR, Sundararaju B. C-8-Selective Allylation of Quinoline: A Case Study of β-Hydride vs β-Hydroxy Elimination. Org Lett 2016; 18:4198-201. [DOI: 10.1021/acs.orglett.6b01845] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Deepti Kalsi
- Fine
Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Roshayed A. Laskar
- Fine
Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - Nagaraju Barsu
- Fine
Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
| | - J. Richard Premkumar
- Center
for Molecular Modelling, Indian Institute of Chemical Technology, Hyderabad 500007, India
| | - Basker Sundararaju
- Fine
Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India
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88
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Gensch T, Klauck FJR, Glorius F. Cobalt-Catalyzed C−H Thiolation through Dehydrogenative Cross-Coupling. Angew Chem Int Ed Engl 2016; 55:11287-91. [DOI: 10.1002/anie.201605193] [Citation(s) in RCA: 162] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Tobias Gensch
- Organisch-Chemisches Institut; Westfälische Wilhelms-Universität Münster; Corrensstrasse 40 48149 Münster Germany
| | - Felix J. R. Klauck
- 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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89
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Gensch T, Klauck FJR, Glorius F. Cobaltkatalysierte C-H-Thiolierung durch dehydrierende Kreuzkupplung. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201605193] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Tobias Gensch
- Organisch-Chemisches Institut; Westfälische Wilhelms-Universität Münster; Corrensstraße 40 48149 Münster Deutschland
| | - Felix J. R. Klauck
- Organisch-Chemisches Institut; Westfälische Wilhelms-Universität Münster; Corrensstraße 40 48149 Münster Deutschland
| | - Frank Glorius
- Organisch-Chemisches Institut; Westfälische Wilhelms-Universität Münster; Corrensstraße 40 48149 Münster Deutschland
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90
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Hao XQ, Du C, Zhu X, Li PX, Zhang JH, Niu JL, Song MP. Cobalt(II)-Catalyzed Decarboxylative C–H Activation/Annulation Cascades: Regioselective Access to Isoquinolones and Isoindolinones. Org Lett 2016; 18:3610-3. [DOI: 10.1021/acs.orglett.6b01632] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xin-Qi Hao
- College of Chemistry and
Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Cong Du
- College of Chemistry and
Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Xinju Zhu
- College of Chemistry and
Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Peng-Xiang Li
- College of Chemistry and
Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jia-Heng Zhang
- College of Chemistry and
Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jun-Long Niu
- College of Chemistry and
Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Mao-Ping Song
- College of Chemistry and
Molecular Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China
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91
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Boerth JA, Hummel JR, Ellman JA. Highly Stereoselective Cobalt(III)-Catalyzed Three-Component C−H Bond Addition Cascade. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603831] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jeffrey A. Boerth
- Department of Chemistry; Yale University; 225 Prospect St. New Haven CT 06520 USA
| | - Joshua R. Hummel
- Department of Chemistry; Yale University; 225 Prospect St. New Haven CT 06520 USA
| | - Jonathan A. Ellman
- Department of Chemistry; Yale University; 225 Prospect St. New Haven CT 06520 USA
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92
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Mishra NK, Park J, Choi M, Sharma S, Jo H, Jeong T, Han S, Kim S, Kim IS. Synthesis of Phthalides through Tandem Rhodium-Catalyzed C-H Olefination and Annulation of Benzamides. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600368] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Neeraj Kumar Mishra
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - Jihye Park
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - Miji Choi
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - Satyasheel Sharma
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - Hyeim Jo
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - Taejoo Jeong
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - Sangil Han
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - Saegun Kim
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
| | - In Su Kim
- School of Pharmacy; Sungkyunkwan University; 440-746 Suwon Republic of Korea
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93
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Barsu N, Rahman MA, Sen M, Sundararaju B. Cp*CoIII-Catalyzed C(sp3)−H Bond Amidation of 8-Methylquinoline. Chemistry 2016; 22:9135-8. [DOI: 10.1002/chem.201601597] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Indexed: 01/05/2023]
Affiliation(s)
- Nagaraju Barsu
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur, Uttar Pradesh 208016 India
| | - Md. Atiur Rahman
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur, Uttar Pradesh 208016 India
| | - Malay Sen
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur, Uttar Pradesh 208016 India
| | - Basker Sundararaju
- Fine Chemical Laboratory; Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur, Uttar Pradesh 208016 India
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94
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Wang J, Zha S, Chen K, Zhu J. Cp*Co(iii)-catalyzed, N–N bond-based redox-neutral synthesis of isoquinolines. Org Chem Front 2016. [DOI: 10.1039/c6qo00367b] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
We report herein a redox-neutral Cp*Co(iii)-catalyzed cyclization of acetophenone N-Boc hydrazones with alkynes for streamlined synthesis of isoquinolines, accomplished via formation of a C–C and a C–N bond along with N–N bond cleavage.
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Affiliation(s)
- Jie Wang
- Department of Polymer Science and Engineering
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Coordination Chemistry
- Nanjing National Laboratory of Microstructures
- Nanjing University
| | - Shanke Zha
- Department of Polymer Science and Engineering
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Coordination Chemistry
- Nanjing National Laboratory of Microstructures
- Nanjing University
| | - Kehao Chen
- Department of Polymer Science and Engineering
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Coordination Chemistry
- Nanjing National Laboratory of Microstructures
- Nanjing University
| | - Jin Zhu
- Department of Polymer Science and Engineering
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Coordination Chemistry
- Nanjing National Laboratory of Microstructures
- Nanjing University
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95
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Lade DM, Pawar AB. Cp*Co(iii)-catalyzed vinylic C–H bond activation under mild conditions: expedient pyrrole synthesis via (3 + 2) annulation of enamides and alkynes. Org Chem Front 2016. [DOI: 10.1039/c6qo00108d] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Cobalt(iii)-catalyzed (3 + 2) oxidative annulation of enamides and alkynes for the synthesis of pyrroles has been developed under mild conditions and simple tuning of reaction temperature lead to the formation of bothN-Ac andN-H pyrroles under an exactly identical catalytic system.
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Affiliation(s)
- Dhanaji M. Lade
- Division of Natural Product Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Amit B. Pawar
- Division of Natural Product Chemistry
- CSIR-Indian Institute of Chemical Technology
- Hyderabad 500007
- India
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