1
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Nandi R, Ajarul S, Mandal PK, Manna AS, Kayet A, Maiti DK. Hybrid Heterocycles: Ag(I)-Catalyzed C-C/C-N/C-O Coupled Cascade Dual Cyclization to Valuable Indolo-4 H-indolones and Indolo-4 H-chromenes. J Org Chem 2024; 89:2556-2570. [PMID: 38276896 DOI: 10.1021/acs.joc.3c02568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Herein, we report a highly efficient Ag(I)-catalyzed indolyzation with Friedel-Crafts alkylation through a cascade cyclization strategy for accessing valuable hybrid heterocycles for the first time. This general strategy consists of forming four C-C/C-N/C-O bonds toward dual annulation reactions of 2-alkynylanilines with methyl benzoate-2-carboxaldehydes and aromatic amines, as well as with salicylaldehydes and malononitrile. Variably substituted new indolo-4H-phthalimidines and indolo-4H-chromenes were synthesized with excellent yields (85-93%) under mild reaction conditions.
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Affiliation(s)
- Rajesh Nandi
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Sk Ajarul
- Government General Degree College at Salboni, Bhimpur, Paschim, Medinipur 721516, West Bengal, India
| | - Prakash K Mandal
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Anindya S Manna
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Anirban Kayet
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
| | - Dilip K Maiti
- Department of Chemistry, University of Calcutta, 92 A. P. C. Road, Kolkata 700009, India
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2
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Zhou F, Jin H, Zhang Y, Li J, Walsh PJ, Lin S. Base-Promoted Tandem Synthesis of 2-Substituted Indoles and N-Fused Polycyclic Indoles. Org Lett 2023; 25:7132-7136. [PMID: 37751201 DOI: 10.1021/acs.orglett.3c02609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Herein is developed a base-promoted approach for the synthesis of C2-substituted indoles and N-fused polycyclic indoles via 5-endo-dig cyclization of 2-alkynyl anilines, followed by a 1,3'-acyl migration or a dearomatizing Michael addition process. A range of N-H free indoles and 8,9-dihydropyrido[1,2-a]indol-6(7H)-one scaffolds were synthesized in good to excellent yields with broad scope.
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Affiliation(s)
- Fan Zhou
- School of Medicine, Hangzhou City University, Hangzhou 310015, People's Republic of China
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Huimin Jin
- School of Medicine, Hangzhou City University, Hangzhou 310015, People's Republic of China
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Yuanhang Zhang
- School of Medicine, Hangzhou City University, Hangzhou 310015, People's Republic of China
| | - Jie Li
- School of Medicine, Hangzhou City University, Hangzhou 310015, People's Republic of China
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, People's Republic of China
| | - Patrick J Walsh
- Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Shengzhang Lin
- School of Medicine, Hangzhou City University, Hangzhou 310015, People's Republic of China
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3
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Antiviral spirooliganones C and D with a unique spiro[bicyclo[2.2.2]octane-2,2′-bicyclo[3.1.0]hexane] carbon skeleton from the roots of Illicium oligandrum. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.02.050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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4
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Xu M, Cao W, Xu X, Ji S. Visible‐Light‐Promoted Radical Cyclization and N−N Bond Cleavage Relay of N‐Aminopyridinium Ylides for Access to 2,3‐Difunctionalized Indoles. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200248] [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)
- Meng‐Meng Xu
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 People's Republic of China
| | - Wen‐Bin Cao
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 People's Republic of China
| | - Xiao‐Ping Xu
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 People's Republic of China
- Innovation Center for Chemical Science Soochow University Suzhou 215123 People's Republic of China
| | - Shun‐Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province College of Chemistry Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology Soochow University Suzhou 215123 People's Republic of China
- Suzhou Baolidi Functional Materials Research Institute Suzhou 215144 People's Republic of China
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5
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Mutra MR, Wang JJ. Photoinduced ynamide structural reshuffling and functionalization. Nat Commun 2022; 13:2345. [PMID: 35487916 PMCID: PMC9055057 DOI: 10.1038/s41467-022-30001-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 04/05/2022] [Indexed: 12/11/2022] Open
Abstract
The radical chemistry of ynamides has recently drawn the attention of synthetic organic chemists to the construction of various N-heterocyclic compounds. Nevertheless, the ynamide-radical chemistry remains a long-standing challenge for chemists due to its high reactivity, undesirable byproducts, severe inherent regio- and chemoselective problems. Importantly, the ynamide C(sp)-N bond fission remains an unsolved challenge. In this paper, we observe Photoinduced radical trigger regio- and chemoselective ynamide bond fission, structural reshuffling and functionalization of 2-alkynyl-ynamides to prepare synthetically inaccessible/challenging chalcogen-substituted indole derivatives with excellent step/atom economy. The key breakthroughs of this work includes, ynamide bond cleavage, divergent radical precursors, broad scope, easy to handle, larger-scale reactions, generation of multiple bonds (N-C(sp2), C(sp2)-C(sp2), C(sp2)-SO2R/C-SR, and C-I/C-Se/C-H) in a few minutes without photocatalysts, metals, oxidants, additives. Control experiments and 13C-labeling experiments supporting the conclusion that sulfone radicals contribute to ynamide structural reshuffling processes via a radical pathway. Although ynamides have emerged as a versatile class of compounds for organic synthesis, the radical chemistry of ynamides usually proceeds with the expected connectivity largely intact. Here the authors show a methodology by which the C(sp)–N bond undergoes scission, alkyne migration and functionalization under blue LED light in the absence of metals or additives.
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Affiliation(s)
- Mohana Reddy Mutra
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan 1st Rd, Sanmin District, Kaohsiung City, 807, Taiwan
| | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, No. 100, Shih-Chuan 1st Rd, Sanmin District, Kaohsiung City, 807, Taiwan. .,Department of Medical Research, Kaohsiung Medical University Hospital, No. 100, Tzyou 1st Rd, Sanmin District, Kaohsiung City, 807, Taiwan.
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6
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Jadhav SD, Singh T, Thakur N, Singh A. Silver Triflate Catalyzed Domino Reactions of
o
‐Alkynylanilines: An Approach Toward Unsymmetrical Diarylacetates and Triarylmethanes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | | | - Naveen Thakur
- Department of Chemistry IIT Kanpur Kanpur-208016 India
| | - Anand Singh
- Department of Chemistry IIT Kanpur Kanpur-208016 India
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7
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Kulandai Raj AS, Narode AS, Liu RS. Gold(I)-Catalyzed Reactions between N-(o-Alkynylphenyl)imines and Vinyldiazo Ketones to Form 3-(Furan-2-ylmethyl)-1H-indoles via Postulated Azallyl Gold and Allylic Cation Intermediates. Org Lett 2021; 23:1378-1382. [DOI: 10.1021/acs.orglett.1c00038] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Antony Sekar Kulandai Raj
- Frontier Research Center of Matter Science and Technology, Department of Chemistry, National Tsing-Hua University, Hsinchu, Taiwan 30013, Republic of China
| | - Akshay Subhash Narode
- Frontier Research Center of Matter Science and Technology, Department of Chemistry, National Tsing-Hua University, Hsinchu, Taiwan 30013, Republic of China
| | - Rai-Shung Liu
- Frontier Research Center of Matter Science and Technology, Department of Chemistry, National Tsing-Hua University, Hsinchu, Taiwan 30013, Republic of China
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8
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Ito T, Harada S, Homma H, Takenaka H, Hirose S, Nemoto T. Asymmetric Intramolecular Dearomatization of Nonactivated Arenes with Ynamides for Rapid Assembly of Fused Ring System under Silver Catalysis. J Am Chem Soc 2021; 143:604-611. [PMID: 33382259 DOI: 10.1021/jacs.0c10682] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Arene dearomatization is a straightforward method for converting an aromatic feedstock into functionalized carbocycles. Enantioselective dearomatizations of chemically inert arenes, however, are quite limited and underexplored relative to those of phenols and indoles. We developed a method for diazo-free generation of silver-carbene species from an ynamide and applied it to the dearomatization of nonactivated arenes. Transiently generated norcaradiene could be trapped by intermolecular [4 + 2] cycloaddition, synthesizing polycycles with five consecutive stereogenic centers. This protocol constitutes the first highly enantioselective reaction based on the diazo-free generation of silver-carbene species. Mechanistic investigations revealed a dearomatization followed by two different classes of pericyclic reactions, as well as the origin of the chemo- and enantioselectivity.
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Affiliation(s)
- Tsubasa Ito
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shingo Harada
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Haruka Homma
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Hiroki Takenaka
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shumpei Hirose
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Tetsuhiro Nemoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1, Inohana, Chuo-ku, Chiba 260-8675, Japan.,Molecular Chirality Research Center, Chiba University, 1-33, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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9
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Karmakar S, Das P, Kundu S. Silver-catalyzed tandem 5- and 6- endo-cyclizations via concomitant yne-ol-imine activation: selective entry to 2-aryldihydrofuroquinolines. NEW J CHEM 2021. [DOI: 10.1039/d1nj02643g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Ag(i)-catalyzed domino imination-intramolecular bi-heterocyclization-aromatization cascade has been developed to construct 2-aryldihydrofuroquinolines from aldehyde and unprotected 4-(2-aminophenyl)but-3-yn-1-ol via tandem 5-endo-dig and 6-endo-trig cyclization.
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Affiliation(s)
- Swastik Karmakar
- Department of Chemistry, Basirhat College, A/w West Bengal State University, Basirhat-743412, West Bengal, India
| | - Prasanta Das
- Department of Chemistry, Basirhat College, A/w West Bengal State University, Basirhat-743412, West Bengal, India
| | - Sandip Kundu
- CIF Division, Indian Institute of Chemical Biology (IICB), Jadavpur-700032, West Bengal, India
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10
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Tambe SD, Iqbal N, Cho EJ. Nickel-Catalyzed trans-Carboamination across Internal Alkynes to Access Multifunctionalized Indoles. Org Lett 2020; 22:8550-8554. [PMID: 33104355 DOI: 10.1021/acs.orglett.0c03148] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A Ni-catalyzed reaction was developed for the synthesis of multifunctionalized indoles. The reaction proceeded through oxidative cyclization of the Ni(0)/P^N complex with an enyne system, 2-alkynyl anilinoacrylate, to provide a nickelacycle intermediate. The trans-carboamination around the internal alkyne was achieved by syn/anti-rotation of the Ni-carbenoid intermediate formed by C-N bond cleavage of the nickelacycle, and 3-alkenylated indoles were formed by C-N bond-forming reductive elimination. Notably, the synthesized indoles could be successfully transformed to functionalized carbazoles.
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Affiliation(s)
- Shrikant D Tambe
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Naeem Iqbal
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Eun Jin Cho
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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11
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Shirsath SR, Ghotekar GS, Bahadur V, Gonnade RG, Muthukrishnan M. Silver-Catalyzed Cascade Cyclization/1,6-Conjugate Addition of Homopropargyl Sulfonamides to p-Quinone Methides: An Approach to Diverse 3-Diarylmethine Substituted Dihydropyrroles. J Org Chem 2020; 85:15038-15050. [DOI: 10.1021/acs.joc.0c01922] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sachin R. Shirsath
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ganesh S. Ghotekar
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Vir Bahadur
- Centre for Materials Characterization, CSIR-National Chemical Laboratory, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rajesh G. Gonnade
- Centre for Materials Characterization, CSIR-National Chemical Laboratory, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - M. Muthukrishnan
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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12
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Hong K, Zhou S, Hu W, Xu X. Rh-Catalyzed nitrene alkyne metathesis/formal C–N bond insertion cascade: synthesis of 3-iminoindolines. Org Chem Front 2020. [DOI: 10.1039/d0qo00294a] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A Rh-catalyzed nitrene/alkyne metathesis (NAM) cascade reaction terminated by a formal C–N bond insertion has been developed, which provides facile access to the tricyclic 3-iminoindolines in good yields with broad substrate scope.
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Affiliation(s)
- Kemiao Hong
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Su Zhou
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Wenhao Hu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Xinfang Xu
- Guangdong Key Laboratory of Chiral Molecule and Drug Discovery
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
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13
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Neto JSS, Zeni G. Recent advances in the synthesis of indoles from alkynes and nitrogen sources. Org Chem Front 2020. [DOI: 10.1039/c9qo01315f] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review highlights ten years of success in the synthesis of indoles using alkynes and nitrogen sources as substrates.
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Affiliation(s)
- José Sebastião Santos Neto
- Laboratório de Síntese
- Reatividade
- Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE
- UFSM
- Santa Maria
| | - Gilson Zeni
- Laboratório de Síntese
- Reatividade
- Avaliação Farmacológica e Toxicológica de Organocalcogênios CCNE
- UFSM
- Santa Maria
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14
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Clarke AK, Ho HE, Rossi‐Ashton JA, Taylor RJK, Unsworth WP. Indole Synthesis Using Silver Catalysis. Chem Asian J 2019; 14:1900-1911. [DOI: 10.1002/asia.201900309] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Indexed: 02/06/2023]
Affiliation(s)
| | - Hon E. Ho
- Department of ChemistryUniversity of York York YO10 5DD UK
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15
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Jillella R, Oh CH. Copper-catalyzed tandem reaction of 2-alkynylanilines with benzoquinones: efficient access to 3-indolylquinones. RSC Adv 2018; 8:22122-22126. [PMID: 35541709 PMCID: PMC9081399 DOI: 10.1039/c8ra03712d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 06/04/2018] [Indexed: 11/21/2022] Open
Abstract
A simple, mild, catalytic and efficient method for the straightforward synthesis of an interesting class of 2-aryl/alkyl-substituted-3-indolyl quinones in good to high yields is reported for the first time. This atom-efficient method proceeds via copper-catalyzed one-pot sequential intramolecular hydroamination (C-N bond formation) of 2-alkynylanilines followed by oxidative C-C coupling with benzoquinones.
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Affiliation(s)
- Raveendra Jillella
- Department of Chemistry and Research Institute of Natural Science, Hanyang University Seoul 04763 South Korea
| | - Chang Ho Oh
- Department of Chemistry and Research Institute of Natural Science, Hanyang University Seoul 04763 South Korea
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16
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Jillella R, Oh DH, Oh CH. Gold-catalyzed tandem reaction of 2-alkynylanilines followed by 1,6-conjugate addition to p-quinone methides: efficient access to unsymmetrical diarylindolylmethanes. NEW J CHEM 2018. [DOI: 10.1039/c8nj03955k] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A simple, mild, efficient and chemoselective catalytic method for the straightforward synthesis of an interesting class of 2-aryl/alkyl-substituted-3-diaryl indolyl methanes in high yield is reported.
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Affiliation(s)
- Raveendra Jillella
- Department of Chemistry and Research Institute of Natural Science
- Hanyang University
- Seoul 04763
- South Korea
| | - Dong hwan Oh
- Department of Chemistry and Research Institute of Natural Science
- Hanyang University
- Seoul 04763
- South Korea
| | - Chang Ho Oh
- Department of Chemistry and Research Institute of Natural Science
- Hanyang University
- Seoul 04763
- South Korea
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17
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Smith JM, Qin T, Merchant RR, Edwards JT, Malins LR, Liu Z, Che G, Shen Z, Shaw SA, Eastgate MD, Baran PS. Decarboxylative Alkynylation. Angew Chem Int Ed Engl 2017; 56:11906-11910. [PMID: 28636185 PMCID: PMC5792189 DOI: 10.1002/anie.201705107] [Citation(s) in RCA: 120] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/06/2017] [Indexed: 12/17/2022]
Abstract
The development of a new decarboxylative cross-coupling method that affords terminal and substituted alkynes from various carboxylic acids is described using both nickel- and iron-based catalysts. The use of N-hydroxytetrachlorophthalimide (TCNHPI) esters is crucial to the success of the transformation, and the reaction is amenable to in situ carboxylic acid activation. Additionally, an inexpensive, commercially available alkyne source is employed in this formal homologation process that serves as a surrogate for other well-established alkyne syntheses. The reaction is operationally simple and broad in scope while providing succinct and scalable avenues to previously reported synthetic intermediates.
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Affiliation(s)
- Joel M Smith
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Tian Qin
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Rohan R Merchant
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Jacob T Edwards
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Lara R Malins
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
| | - Zhiqing Liu
- Asymchem Laboratories (Tianjin) Co., Ltd., TEDA, Tianjin, 300457, P.R. China
| | - Guanda Che
- Asymchem Laboratories (Tianjin) Co., Ltd., TEDA, Tianjin, 300457, P.R. China
| | - Zichao Shen
- Asymchem Laboratories (Tianjin) Co., Ltd., TEDA, Tianjin, 300457, P.R. China
| | - Scott A Shaw
- Discovery Chemistry, Bristol-Myers Squibb, 350 Carter Road, Hopewell, NJ, 08540, USA
| | - Martin D Eastgate
- Chemical Development, Bristol-Myers Squibb, One Squibb Drive, New Brunswick, NJ, 08903, USA
| | - Phil S Baran
- The Scripps Research Institute (TSRI), North Torrey Pines Road, La Jolla, CA, 92037, USA
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18
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Smith JM, Qin T, Merchant RR, Edwards JT, Malins LR, Liu Z, Che G, Shen Z, Shaw SA, Eastgate MD, Baran PS. Decarboxylative Alkynylation. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201705107] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Joel M. Smith
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Tian Qin
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Rohan R. Merchant
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Jacob T. Edwards
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Lara R. Malins
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
| | - Zhiqing Liu
- Asymchem Laboratories (Tianjin) Co., Ltd.; TEDA; Tianjin 300457 P.R. China
| | - Guanda Che
- Asymchem Laboratories (Tianjin) Co., Ltd.; TEDA; Tianjin 300457 P.R. China
| | - Zichao Shen
- Asymchem Laboratories (Tianjin) Co., Ltd.; TEDA; Tianjin 300457 P.R. China
| | - Scott A. Shaw
- Discovery Chemistry; Bristol-Myers Squibb; 350 Carter Road Hopewell NJ 08540 USA
| | - Martin D. Eastgate
- Chemical Development; Bristol-Myers Squibb; One Squibb Drive New Brunswick NJ 08903 USA
| | - Phil S. Baran
- The Scripps Research Institute (TSRI); North Torrey Pines Road La Jolla CA 92037 USA
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19
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Suchand B, Satyanarayana G. KOt
Bu-Mediated Domino Isomerization and Functionalization of Aromatic Allylic Alcohols. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700440] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Basuli Suchand
- Department of Chemistry; Indian Institute of Technology Hyderabad; Kandi 502285 Sangareddy Telangana India
| | - Gedu Satyanarayana
- Department of Chemistry; Indian Institute of Technology Hyderabad; Kandi 502285 Sangareddy Telangana India
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20
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Karmakar S, Das P, Ray D, Ghosh S, Chattopadhyay SK. Ag(I)-Catalyzed Domino Cyclization–Addition Sequence with Simultaneous Carbonyl and Alkyne Activation as a Route to 2,2′-Disubstituted Bisindolylarylmethanes. Org Lett 2016; 18:5200-5203. [PMID: 27709960 DOI: 10.1021/acs.orglett.6b02321] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Swastik Karmakar
- Department
of Chemistry, Basirhat College, Basirhat 743412, West Bengal India
| | - Prasanta Das
- Department
of Chemistry, Basirhat College, Basirhat 743412, West Bengal India
| | - Debjyoti Ray
- Department
of Chemistry, Basirhat College, Basirhat 743412, West Bengal India
| | - Subhankar Ghosh
- Department
of Chemistry, University of Kalyani, Kalyani 741235, West Bengal India
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21
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Li G, Tang L, Liu H, Wang Y, Zhao G, Tang Z. Investigation and Application of Amphoteric α-Amino Aldehyde: An in Situ Generated Species Based on Heyns Rearrangement. Org Lett 2016; 18:4526-9. [DOI: 10.1021/acs.orglett.6b02133] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Guangxun Li
- Natural
Products Research Center, Chengdu Institution of Biology, Chinese Academy of Science, No. 9 Section 4, Renmin Nan Road, Chengdu 610041, China
| | - Ling Tang
- Natural
Products Research Center, Chengdu Institution of Biology, Chinese Academy of Science, No. 9 Section 4, Renmin Nan Road, Chengdu 610041, China
| | - Hongxin Liu
- Natural
Products Research Center, Chengdu Institution of Biology, Chinese Academy of Science, No. 9 Section 4, Renmin Nan Road, Chengdu 610041, China
| | - Yingwei Wang
- College
of Chemical Engineering, Si Chuan University, Chengdu 610041, China
| | - Gang Zhao
- College
of Chemical Engineering, Si Chuan University, Chengdu 610041, China
| | - Zhuo Tang
- Natural
Products Research Center, Chengdu Institution of Biology, Chinese Academy of Science, No. 9 Section 4, Renmin Nan Road, Chengdu 610041, China
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22
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Obata T, Suzuki S, Nakagawa A, Kajihara R, Noguchi K, Saito A. Gold-Catalyzed Domino Synthesis of Functionalized Benzofurans and Tetracyclic Isochromans via Formal Carboalkoxylation. Org Lett 2016; 18:4136-9. [DOI: 10.1021/acs.orglett.6b02159] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tomoyuki Obata
- Division of Applied Chemistry,
Institute of Engineering and ‡Instrumentation
Analysis Center, Tokyo University of Agriculture and Technology, 2-24-16
Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Sho Suzuki
- Division of Applied Chemistry,
Institute of Engineering and ‡Instrumentation
Analysis Center, Tokyo University of Agriculture and Technology, 2-24-16
Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Asuka Nakagawa
- Division of Applied Chemistry,
Institute of Engineering and ‡Instrumentation
Analysis Center, Tokyo University of Agriculture and Technology, 2-24-16
Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Ryota Kajihara
- Division of Applied Chemistry,
Institute of Engineering and ‡Instrumentation
Analysis Center, Tokyo University of Agriculture and Technology, 2-24-16
Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Keiichi Noguchi
- Division of Applied Chemistry,
Institute of Engineering and ‡Instrumentation
Analysis Center, Tokyo University of Agriculture and Technology, 2-24-16
Naka-cho, Koganei, Tokyo 184-8588, Japan
| | - Akio Saito
- Division of Applied Chemistry,
Institute of Engineering and ‡Instrumentation
Analysis Center, Tokyo University of Agriculture and Technology, 2-24-16
Naka-cho, Koganei, Tokyo 184-8588, Japan
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23
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24
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Abstract
Silver is a less expensive noble metal. Superior alkynophilicity due to π-coordination with the carbon-carbon triple bond makes silver salts ideal catalysts for alkyne-based organic reactions. This review highlights the progress in alkyne chemistry via silver catalysis primarily over the past five years (ca. 2010-2014). The discussion is developed in terms of the bond type formed with the acetylenic carbon (i.e., C-C, C-N, C-O, C-Halo, C-P and C-B). Compared with other coinage metals such as Au and Cu, silver catalysis is frequently observed to be unique. This critical review clearly indicates that silver catalysis provides a significant impetus to the rapid evolution of alkyne-based organic reactions, such as alkynylation, hydrofunctionalization, cycloaddition, cycloisomerization, and cascade reactions.
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Affiliation(s)
- Guichun Fang
- Department of Chemistry, Northeast Normal University, Changchun 130024, China.
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25
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Reddy V, Vijaya Anand R. Expedient Access to Unsymmetrical Diarylindolylmethanes through Palladium-Catalyzed Domino Electrophilic Cyclization-Extended Conjugate Addition Approach. Org Lett 2015; 17:3390-3. [PMID: 26158477 DOI: 10.1021/acs.orglett.5b01030] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A palladium-catalyzed domino process to access unsymmetrical diarylindolylmethanes has been developed through the annulation of o-alkynylanilines followed by 1,6-conjugate addition with p-quinone methides (p-QMs) under relatively mild conditions. The broad substrate scope of this methodology was demonstrated through the use of a wide range of substituted o-alkynylanilines and p-quinone methides, and in most cases, the unsymmetrical diarylindolylmethanes could be prepared in moderate to excellent yields. Notably, this method does not require any amino group protection. Moreover, 100% atom economy makes this transformation attractive from a green chemistry perspective.
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Affiliation(s)
- Virsinha Reddy
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, S. A. S. Nagar, Manauli (PO), Punjab 140306, India
| | - Ramasamy Vijaya Anand
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, Knowledge City, S. A. S. Nagar, Manauli (PO), Punjab 140306, India
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26
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Soora Haranath J, Balam SK, Chereddy SS, Sthanikam SP, Sarva S, Gundluru M, Cirandur SR. Microwave Energized Synthesis of 2-Aroylindole Derivatives: Piperidine/DMF as an Effective Medium. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2334] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | | | | | - Santhisudha Sarva
- Department of Chemistry; Sri Venkateswara University; Tirupati 517 502 India
| | - Mohan Gundluru
- Department of Chemistry; Sri Venkateswara University; Tirupati 517 502 India
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27
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Nakamura I, Gima S, Kudo Y, Terada M. Skeletal Rearrangement ofO-Propargylic Formaldoximes by a Gold-Catalyzed Cyclization/Intermolecular Methylene Transfer Sequence. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501856] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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28
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Nakamura I, Gima S, Kudo Y, Terada M. Skeletal Rearrangement ofO-Propargylic Formaldoximes by a Gold-Catalyzed Cyclization/Intermolecular Methylene Transfer Sequence. Angew Chem Int Ed Engl 2015; 54:7154-7. [DOI: 10.1002/anie.201501856] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2015] [Revised: 03/19/2015] [Indexed: 11/12/2022]
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29
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Mahadevegowda SH, Khan FA. Diastereoselective Synthesis of Spirocyclic Dihydrofurans and 1-Oxaspiro[4.5]decan-6-one Derivatives from Norbornyl α-Diketones. European J Org Chem 2014. [DOI: 10.1002/ejoc.201403087] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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30
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Pooi B, Lee J, Choi K, Hirao H, Hong SH. Tandem Insertion–Cyclization Reaction of Isocyanides in the Synthesis of 1,4-Diaryl-1H-imidazoles: Presence of N-Arylformimidate Intermediate. J Org Chem 2014; 79:9231-45. [DOI: 10.1021/jo501652w] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Benjamin Pooi
- Department of Chemistry,
College of Natural Sciences, Seoul National University, Seoul 151-747, Republic of Korea
| | - Jeongbin Lee
- Department of Chemistry,
College of Natural Sciences, Seoul National University, Seoul 151-747, Republic of Korea
| | - Kyujin Choi
- Department of Chemistry,
College of Natural Sciences, Seoul National University, Seoul 151-747, Republic of Korea
| | - Hajime Hirao
- Division
of Chemistry and Biological Chemistry, School of Physical and Mathematical
Sciences, Nanyang Technological University, 637371 Singapore
| | - Soon Hyeok Hong
- Department of Chemistry,
College of Natural Sciences, Seoul National University, Seoul 151-747, Republic of Korea
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31
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Zhang X, Xu X. Silver-Catalyzed Oxidative Coupling of Aniline and Ene Carbonyl/Acetylenic Carbonyl Compounds: An Efficient Route for the Synthesis of Quinolines. Chem Asian J 2014; 9:3089-93. [DOI: 10.1002/asia.201402742] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Revised: 07/29/2014] [Indexed: 11/05/2022]
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32
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Mothe SR, Novianti ML, Ayers BJ, Chan PWH. Silver-Catalyzed Tandem Hydroamination/Hydroarylation of 1-(2-Allylamino)phenyl-4-hydroxy-but-2-yn-1-ones to 1′-Allylspiro[indene-1,2′-indolin]-3′-ones. Org Lett 2014; 16:4110-3. [DOI: 10.1021/ol501809p] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Srinivasa Reddy Mothe
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Maria Laurentia Novianti
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Benjamin James Ayers
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Philip Wai Hong Chan
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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33
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Song L, Yao H, Tong R. Biomimetic Asymmetric Total Syntheses of Spirooliganones A and B. Org Lett 2014; 16:3740-3. [DOI: 10.1021/ol501593m] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Liyan Song
- Department
of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Hongliang Yao
- Department
of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Rongbiao Tong
- Department
of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
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34
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Arcadi A, Pietropaolo E, Alvino A, Michelet V. Aminofluorination of 2-alkynylanilines: a Au-catalyzed entry to fluorinated indoles. Beilstein J Org Chem 2014; 10:449-58. [PMID: 24605165 PMCID: PMC3943415 DOI: 10.3762/bjoc.10.42] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2013] [Accepted: 02/12/2014] [Indexed: 12/18/2022] Open
Abstract
The scope and limitations of gold-catalyzed tandem cycloisomerization/fluorination reactions of unprotected 2-alkynylanilines to have access to 3,3-difluoro-2-aryl-3H-indoles and 3-fluoro-2-arylindoles are described. An unprecedented aminoauration/oxidation/fluorination cascade reaction of 2-alkynylanilines bearing a linear alkyl group on the terminal triple bond is reported.
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Affiliation(s)
- Antonio Arcadi
- Dipartimento di Scienze Fisiche e Chimiche, Università di L'Aquila, Via Vetoio- 67010 Coppito (AQ), Italy
| | - Emanuela Pietropaolo
- Dipartimento di Scienze Fisiche e Chimiche, Università di L'Aquila, Via Vetoio- 67010 Coppito (AQ), Italy
| | - Antonello Alvino
- Dipartimento di Chimica, Sapienza, Università di Roma, P. le A. Moro 5, Roma, Italy
| | - Véronique Michelet
- Institut de Recherche de Chimie Paris, UMR 8247, Ecole Nationale Supérieure de Chimie de Paris, Chimie ParisTech, 11 rue P. et M. Curie, F-75231 Paris Cedex 05, France
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35
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McNulty J, Keskar K. A Robust, Well-Defined Homogeneous Silver(I) Catalyst for Mild Intramolecular Hydroamination of 2-Ethynylanilines Leading to Indoles. European J Org Chem 2014. [DOI: 10.1002/ejoc.201301368] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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36
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Yang L, Ma Y, Song F, You J. Silver-catalyzed one-pot cyclization/fluorination of 2-alkynylanilines: highly efficient synthesis of structurally diverse fluorinated indole derivatives. Chem Commun (Camb) 2014; 50:3024-6. [DOI: 10.1039/c3cc49851d] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Ranise A, Lucchesini F, Caviglia M, Alfei S, Spallarossa A, Caneva C. Unconventional stereoselective one-pot synthesis of Knoevenagel-type indoles via in situ condensation of iminium salts with active methylene reagents. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.10.086] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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38
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Ma SG, Gao RM, Li YH, Jiang JD, Gong NB, Li L, Lü Y, Tang WZ, Liu YB, Qu J, Lü HN, Li Y, Yu SS. Antiviral Spirooliganones A and B with Unprecedented Skeletons from the Roots of Illicium oligandrum. Org Lett 2013; 15:4450-3. [DOI: 10.1021/ol401992s] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shuang-Gang Ma
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Rong-Mei Gao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yu-Huan Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jian-Dong Jiang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ning-Bo Gong
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Li Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yang Lü
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Wen-Zhao Tang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yun-Bao Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jing Qu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Hai-Ning Lü
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yong Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Shi-Shan Yu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China, and Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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39
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Pd(II)-catalyzed aerobic oxidative intramolecular hydroamination and C–H functionalization of N-alkynyl anilines for the synthesis of indole derivatives. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.01.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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40
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Luo K, Meng L, Zhang Y, Zhang X, Wang L. A Stereocontrolled 1,2-Addition Reaction of Tetrazoles with Alkyl Propiolates for the Synthesis of Highly Functionalized Enamines. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201200868] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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41
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Koo J, Park HS, Shin S. Selectivity control by silver catalysts in the cycloisomerization of 1,6-enynes derived from propiolamides. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.11.067] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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42
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Li BL, Xu DQ, Zhong AG. Novel SO3H-functionalized ionic liquids catalyzed a simple, green and efficient procedure for Fischer indole synthesis in water under microwave irradiation. J Fluor Chem 2012. [DOI: 10.1016/j.jfluchem.2012.09.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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43
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Li Y, Liu X, Ma D, Liu B, Jiang H. Silver-Assisted Difunctionalization of Terminal Alkynes: Highly Regio- and Stereoselective Synthesis of Bromofluoroalkenes. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200250] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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44
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Aggarwal T, Kumar S, Dhaked DK, Tiwari RK, Bharatam PV, Verma AK. Site-Selective Electrophilic Cyclization and Subsequent Ring-Opening: A Synthetic Route to Pyrrolo[1,2-a]quinolines and Indolizines. J Org Chem 2012; 77:8562-73. [DOI: 10.1021/jo3015374] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Trapti Aggarwal
- Synthetic
Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | - Sonu Kumar
- Synthetic
Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | | | - Rakesh K. Tiwari
- Synthetic
Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
- Department of Biomedical & Pharmaceutical Sciences, University of Rhode Island, Kingston, Rhode Island, United States
| | | | - Akhilesh K. Verma
- Synthetic
Organic Chemistry Research Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
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45
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Susanti D, Koh F, Kusuma JA, Kothandaraman P, Chan PWH. Silver Acetate Catalyzed Hydroamination of 1-(2-(Sulfonylamino)phenyl)prop-2-yn-1-ols to (Z)-2-Methylene-1-sulfonylindolin-3-ols. J Org Chem 2012; 77:7166-75. [DOI: 10.1021/jo301198z] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Dewi Susanti
- Division of Chemistry and Biological Chemistry, School
of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Fujiet Koh
- Division of Chemistry and Biological Chemistry, School
of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Jeffrey Antonius Kusuma
- Division of Chemistry and Biological Chemistry, School
of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Prasath Kothandaraman
- Division of Chemistry and Biological Chemistry, School
of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Philip Wai Hong Chan
- Division of Chemistry and Biological Chemistry, School
of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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46
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Cao LL, Li XN, Meng FY, Jiang GF. Pd-catalyzed addition of boronic acids to vinylogous imines: a convenient approach to 3-sec-alkyl substituted indoles. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.05.056] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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47
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Herndon JW. The chemistry of the carbon–transition metal double and triple bond: Annual survey covering the year 2010. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2012.02.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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48
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Zhang Z, Shi M. Silver(I)-catalyzed tandem 1,3-acyloxy migration/Mannich-type addition/elimination of the sulfonyl group of N-sulfonylhydrazone-propargylic esters to 5,6-dihydropyridazin-4-one derivatives. Chemistry 2012; 18:3654-8. [PMID: 22354865 DOI: 10.1002/chem.201103404] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2011] [Indexed: 11/11/2022]
Abstract
The addition of nucleophiles to C=N bonds offers a highly efficient synthetic strategy for accessing nitrogen-containing molecules.1 Among the well-developed addition reactions, such as the highly efficient Mannich reaction, various C-H bond-activated compounds including carboxylic acid derivatives, nitroalkanes, and terminal alkynes have been applied as nucleophiles to achieve different classes of amines.2 However, employing new nucleophiles without activated C-H bonds, such as internal alkynes and allenic esters are limited when using metal catalysts.3 Herein, we wish to report a new addition of allenic esters to C=N bonds initiated by a silver-catalyzed 1,3-migration of propargylic esters.
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Affiliation(s)
- Zhen Zhang
- Laboratory for Advanced Materials & Institute of Fine Chemicals, East China University of Science and Technology, 130 Mei Long Road, Shanghai 200237, PR China
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49
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Zhang X, Liu B, Shu X, Gao Y, Lv H, Zhu J. Silver-Mediated C–H Activation: Oxidative Coupling/Cyclization of N-Arylimines and Alkynes for the Synthesis of Quinolines. J Org Chem 2011; 77:501-10. [DOI: 10.1021/jo202087j] [Citation(s) in RCA: 96] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Xu Zhang
- 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, Nanjing 210093, China
| | - Baoqing Liu
- 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, Nanjing 210093, China
| | - Xin Shu
- 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, Nanjing 210093, China
| | - Yang Gao
- 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, Nanjing 210093, China
| | - Haipeng Lv
- 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, 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, Nanjing University, Nanjing 210093, China
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Cao LL, Ye ZS, Jiang GF, Zhou YG. Rhodium-Catalyzed Addition of Boronic Acids to Vinylogous Imines Generatedin situfrom Sulfonylindoles. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100577] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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