1
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De S, Chowdhury C. Iron(III)-Catalyzed Carboannulations of Homopropargylic Alcohols: A One-Pot General Synthesis of 4-(2,2-Diarylvinyl)quinolines and 4-(2,2-Diarylvinyl)-2 H-chromenes. J Org Chem 2023. [PMID: 37178188 DOI: 10.1021/acs.joc.3c00442] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
A simple and efficient approach for the general synthesis of 4-(2,2-diarylvinyl)quinolines 5 and 4-(2,2-diarylvinyl)-2H-chromenes 6 has been developed using Fe(III)-catalyzed intramolecular annulations of homopropargyl substrates 1 and 2, respectively. The high yields (up to 98%) achieved using simple substrates, an environmentally benign low-cost catalyst, and less hazardous reaction conditions make the methodology inherently attractive.
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Affiliation(s)
- Sukanya De
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Kolkata 700032, India
| | - Chinmay Chowdhury
- Organic & Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S.C. Mullick Road, Kolkata 700032, India
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2
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de Fátima Â, Fernandes SA, Ferreira de Paiva W, de Freitas Rego Y. The Povarov Reaction: A Versatile Method to Synthesize Tetrahydroquinolines, Quinolines and Julolidines. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1794-8355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AbstractThe multicomponent Povarov reaction represents a powerful approach for the construction of substances containing N-heterocyclic frameworks. By using the Povarov reaction, in addition to accessing tetrahydroquinolines, quinolines and julolidines in a single step, it is possible to form the following new bonds: two Csp
3–Csp
3 and one Csp
3–Nsp
3, two Csp
2–Csp
2 and one Csp
2–Nsp
2, and four Csp
3–Csp
3 and two Csp
3–Nsp
1, respectively. This short review discusses the main features of the Povarov reaction, including its mechanism, the reaction scope by employing different catalysts and substrates, as well as stereoselective versions.1 Introduction2 Mechanism of the Povarov Reaction3 Tetrahydroquinolines4 Quinolines5 Julolidines6 Concluding Remarks
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Affiliation(s)
- Ângelo de Fátima
- Departamento de Química, ICEx, Universidade Federal de Minas Gerais
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3
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Sharma AK, Jaiswal A, Chand S, Singh KN. Domino Reaction of Isatins with
α
‐Oxoketene‐
N
,
S
‐acetals: An Efficient Synthesis of Pyrrolo[3,4‐
c
]quinoline‐1,3‐diones and 2,3‐Dihydro‐1
H
‐pyrrolo[3,4‐
c
]quinolin‐1‐ones. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Anup Kumar Sharma
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 India
| | - Anjali Jaiswal
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 India
| | - Shiv Chand
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 India
| | - Krishna Nand Singh
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 India
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4
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Shally, Althagafi I, Shaw R, Elagamy A, Kumar A, Pratap R. A [5 + 1] annulation strategy for the synthesis of multifunctional biaryls and p-teraryls from 1,6-Michael acceptor ketene dithioacetals. Org Biomol Chem 2020; 18:6407-6417. [DOI: 10.1039/d0ob00998a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A [5 + 1] annulation approach was used to access multifunctional biaryls and p-teraryls from ketene dithioacetals.
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Affiliation(s)
- Shally
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | | | - Ranjay Shaw
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Amr Elagamy
- Department of Chemistry
- University of Delhi
- Delhi-110007
- India
| | - Abhinav Kumar
- Department of Chemistry
- University of Lucknow
- Lucknow
- India
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5
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Ten years of progress in the synthesis of six-membered N-heterocycles from alkynes and nitrogen sources. Tetrahedron 2020. [DOI: 10.1016/j.tet.2019.130876] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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6
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Yadav D, Shukla G, Ansari MA, Srivastava A, Singh MS. Chemoselective one-pot access to benzo[e]indole-4,5-diones and naphtho[2,1-b]thiophene-4,5-diones via copper-catalyzed oxidative [3 + 2] annulation of α-oxoketene N,S-acetals/β-ketothioamides with α-/β-naphthols. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.08.026] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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7
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Takasu K, Shindo N. Synthesis of Azaheterocycles and Related Molecules by Tf2NH-Catalyzed Cycloadditions. HETEROCYCLES 2018. [DOI: 10.3987/rev-17-875] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Sharghi H, Aberi M, Khataminejad M, Shiri P. Solvent-free and room temperature synthesis of 3-arylquinolines from different anilines and styrene oxide in the presence of Al 2O 3/MeSO 3H. Beilstein J Org Chem 2017; 13:1977-1981. [PMID: 29062417 PMCID: PMC5629378 DOI: 10.3762/bjoc.13.193] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Accepted: 09/05/2017] [Indexed: 11/23/2022] Open
Abstract
A highly efficient, simple and environmentally friendly synthesis of 3-arylquinolines has been developed in the presence of Al2O3/MeSO3H via one-pot reaction of anilines and styrene oxide. This methodology provides very rapid access to 3-arylquinolines in good to excellent yields under solvent-free conditions at room temperature in air.
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Affiliation(s)
- Hashem Sharghi
- Department of Chemistry, Shiraz University, Shiraz, 71454, I. R. Iran, Tel.: +98 711 2284822
| | - Mahdi Aberi
- Department of Chemistry, Shiraz University, Shiraz, 71454, I. R. Iran, Tel.: +98 711 2284822
| | - Mohsen Khataminejad
- Department of Chemistry, Shiraz University, Shiraz, 71454, I. R. Iran, Tel.: +98 711 2284822
| | - Pezhman Shiri
- Department of Chemistry, Shiraz University, Shiraz, 71454, I. R. Iran, Tel.: +98 711 2284822
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9
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Ghoshal A, Yugandhar D, Nanubolu JB, Srivastava AK. An Efficient One-Pot Synthesis of Densely Functionalized Fused-Quinolines via Sequential Ugi4CC and Acid-Mediated Povarov-Type Reaction. ACS COMBINATORIAL SCIENCE 2017; 19:600-608. [PMID: 28741925 DOI: 10.1021/acscombsci.7b00095] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A divergent synthesis of fused-quinolines has been explored by performing Ugi four-component condensation and sulfuric acid promoted deprotection/Povarov-type reaction in one-pot. The process involves Ugi condensation of propiolic acids, aldehydes/ketones, aminoaldehyde acetals and isocyanides followed by sulfuric acid promoted deprotection and Povarov-type reaction with anilines in ethanol. This method enables straightforward access to the structurally diverse 2,3-dihydro-1H-pyrrolo[3,4-b]quinolin-1-ones (DHPQ), 3,4-dihydrobenzo[b][1,6]naphthyridin-1(2H)-ones (DHBN), and 2,3,4,5-tetrahydro-1H-azepino[4,3-b]quinolin-1-ones (THAQ), starting from readily available starting materials.
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Affiliation(s)
- Anirban Ghoshal
- Medicinal Chemistry & Biotechnology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India
- Chemical Sciences Division, Academy of Scientific & Innovative Research, New Delhi-110025, India
| | - Doddapaneni Yugandhar
- Medicinal Chemistry & Biotechnology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India
- Chemical Sciences Division, Academy of Scientific & Innovative Research, New Delhi-110025, India
| | - Jagadeesh Babu Nanubolu
- Centre
for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India
| | - Ajay Kumar Srivastava
- Medicinal Chemistry & Biotechnology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500 007, India
- Chemical Sciences Division, Academy of Scientific & Innovative Research, New Delhi-110025, India
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10
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Han Y, Li X, Sun Z, Zhu X, Li M, Song X, Liang Y. Lewis Acid‐Catalyzed [4+2] Annulation between Propargylic Alcohols with Benzo[
d
]isoxazoles. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700495] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Ya‐Ping Han
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 People's Republic of China
| | - Xue‐Song Li
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 People's Republic of China
| | - Zhou Sun
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 People's Republic of China
| | - Xin‐Yu Zhu
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 People's Republic of China
| | - Ming Li
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 People's Republic of China
| | - Xian‐Rong Song
- Jiangxi Key Laboratory of Organic Chemistry Jiangxi Science Technology Normal University Nanchang 330013 People's Republic of China
| | - Yong‐Min Liang
- State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 People's Republic of China
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11
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Santos GCD, de Andrade Bartolomeu A, Ximenes VF, da Silva-Filho LC. Facile Synthesis and Photophysical Characterization of New Quinoline Dyes. J Fluoresc 2016; 27:271-280. [DOI: 10.1007/s10895-016-1954-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 10/19/2016] [Indexed: 10/20/2022]
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12
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Wen LR, Man NN, Yuan WK, Li M. Direct Construction of 2-Aryliminochromenes from Arynes, N,S-Keteneacetals, and DMF. J Org Chem 2016; 81:5942-8. [PMID: 27266363 DOI: 10.1021/acs.joc.6b00843] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A concise and direct synthetic strategy for the construction of 2-aryliminochromene skeleton by cascade three-component coupling reaction of arynes, N,S-keteneacetals, and DMF in good yields has been disclosed. The process demonstrates the first example of aryne chemistry combined with N,S-keteneacetals. Using this strategy, an expeditious synthesis of biologically important arylimino-2H-chromene-3- carboxamides was achieved.
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Affiliation(s)
- Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, P. R. China
| | - Ning-Ning Man
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, P. R. China
| | - Wen-Kui Yuan
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, P. R. China
| | - Ming Li
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, P. R. China
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13
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Liu C, Zhou L, Jiang D, Gu Y. Multicomponent Reactions of Aldo-X Bifunctional Reagent α-Oxoketene Dithioacetals and Indoles or Amines: Divergent Synthesis of Dihydrocoumarins, Quinolines, Furans, and Pyrroles. ASIAN J ORG CHEM 2016. [DOI: 10.1002/ajoc.201500497] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Changhui Liu
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education, School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; 1037 Luoyu road Hongshan District Wuhan 430074 China
| | - Li Zhou
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education, School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; 1037 Luoyu road Hongshan District Wuhan 430074 China
| | - Dan Jiang
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education, School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; 1037 Luoyu road Hongshan District Wuhan 430074 China
| | - Yanlong Gu
- Key laboratory of Material Chemistry for Energy Conversion and Storage; Ministry of Education, School of Chemistry and Chemical Engineering; Huazhong University of Science and Technology; 1037 Luoyu road Hongshan District Wuhan 430074 China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation; Lanzhou Institute of Chemical Physics; Lanzhou 730000 P.R. China
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14
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Li HM, Xu C, Wang ZQ, Fu WJ. A Half Sandwich Ruthenium(II) Complex with N-4,6-Dimethyl-2-pyrimidinylimidazole: Synthesis, Crystal Structure and Application in N-Alkylation of Amines with Alcohols. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10484] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Hong-Mei Li
- College of Chemistry and Chemical Engineering; Luoyang Normal University; Luoyang 471022 China
| | - Chen Xu
- College of Chemistry and Chemical Engineering; Luoyang Normal University; Luoyang 471022 China
| | - Zhi-Qiang Wang
- College of Chemistry and Chemical Engineering; Luoyang Normal University; Luoyang 471022 China
| | - Wei-Jun Fu
- College of Chemistry and Chemical Engineering; Luoyang Normal University; Luoyang 471022 China
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15
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Hamrouni K, Saied T, El Abed N, Ahmed SBH, Boujlel K, Khoud MLB. Electrogenerated base-promoted synthesis and antimicrobial activity of 2-(1,3-dithian-2-ylidene)-2-arylacetonitrile and 2-(1,3-dithiolan-2-ylidene)-2-arylacetonitrile. J Sulphur Chem 2015. [DOI: 10.1080/17415993.2015.1005620] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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16
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Bharate JB, Vishwakarma RA, Bharate SB. Metal-free domino one-pot protocols for quinoline synthesis. RSC Adv 2015. [DOI: 10.1039/c5ra07798b] [Citation(s) in RCA: 120] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Metal-free domino one-pot protocols for quinoline synthesis have been reviewed.
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Affiliation(s)
- Jaideep B. Bharate
- Medicinal Chemistry Division
- CSIR-Indian Institute of Integrative Medicine
- Jammu-180001
- India
- Academy of Scientific & Innovative Research (AcSIR)
| | - Ram A. Vishwakarma
- Medicinal Chemistry Division
- CSIR-Indian Institute of Integrative Medicine
- Jammu-180001
- India
- Academy of Scientific & Innovative Research (AcSIR)
| | - Sandip B. Bharate
- Medicinal Chemistry Division
- CSIR-Indian Institute of Integrative Medicine
- Jammu-180001
- India
- Academy of Scientific & Innovative Research (AcSIR)
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17
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Wen LR, Jin XJ, Niu XD, Li M. Copper-Catalyzed Tandem Reactions for Synthesis of Pyrazolo[5,1-a]isoquinolines with Heterocyclic Ketene Aminals as Ligands. J Org Chem 2014; 80:90-8. [PMID: 25426845 DOI: 10.1021/jo5020323] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Li-Rong Wen
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, People’s Republic of China
| | - Xian-Jun Jin
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, People’s Republic of China
| | - Xiao-Dong Niu
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, People’s Republic of China
| | - Ming Li
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, People’s Republic of China
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18
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Reddy BS, Majumder N, Sridhar B. Au(I)/Ag(I)-catalyzed annulation of sugar aldehyde tethered with 3-phenylprop-2-yn-1-yl ether with aryl amines for the pyrano[4,3-b]quinoline derivatives. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.09.037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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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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20
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Wen LR, Men LB, He T, Ji GJ, Li M. Switching Regioselectivity of β-Ketothioamides by Means of Iodine Catalysis: Synthesis of Thiazolylidenes and 1,4-Dithiines. Chemistry 2014; 20:5028-33. [DOI: 10.1002/chem.201304497] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Indexed: 11/06/2022]
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21
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Zhao P, Yan X, Yin H, Xi C. Alkyltriflate-Triggered Annulation of Arylisothiocyanates and Alkynes Leading to Multiply Substituted Quinolines through Domino Electrophilic Activation. Org Lett 2014; 16:1120-3. [DOI: 10.1021/ol500221u] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Peng Zhao
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xiaoyu Yan
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Hang Yin
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Chanjuan Xi
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
- State
Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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22
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Zhang X, Xu X, Yu L, Zhao Q. Three-Component Reactions of Aldehydes, Amines, and Alkynes/Alkenes Catalyzed by Trifluoromethanesulfonic Acid: An Efficient Route to Substituted Quinolines. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201300212] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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23
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Meng J, Li YJ, Zhao YL, Bu XB, Liu Q. A base-catalyzed cycloisomerization of 5-cyano-pentyne derivatives: an efficient synthesis of 3-cyano-4,5-dihydro-1H-pyrroles. Chem Commun (Camb) 2014; 50:12490-2. [DOI: 10.1039/c4cc04409f] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A base-catalyzed cycloisomerization of 5-cyano-pentyne bearing a terminal alkyne group has been developed under metal-free conditions. This reaction provides an efficient access to 3-cyano-4,5-dihydro-1H-pyrroles with 1,3-cyano migration as the key transformation.
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Affiliation(s)
- Jia Meng
- Department of Chemistry
- Northeast Normal University
- Changchun, China
- Department of Chemistry
- Mudanjiang Normal University
| | - Yi-Jin Li
- Department of Chemistry
- Northeast Normal University
- Changchun, China
| | - Yu-Long Zhao
- Department of Chemistry
- Northeast Normal University
- Changchun, China
| | - Xiu-Bin Bu
- Department of Chemistry
- Northeast Normal University
- Changchun, China
| | - Qun Liu
- Department of Chemistry
- Northeast Normal University
- Changchun, China
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24
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Wen LR, He T, Lan MC, Li M. Three-Component Cascade Annulation of β-Ketothioamides Promoted by CF3CH2OH: A Regioselective Synthesis of Tetrasubstituted Thiophenes. J Org Chem 2013; 78:10617-28. [DOI: 10.1021/jo401397d] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Li-Rong Wen
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Tao He
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Ming-Chao Lan
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
| | - Ming Li
- State Key Laboratory Base
of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
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25
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Chen M, Sun N, Liu Y. Environmentally Benign Synthesis of Indeno[1,2-b]quinolines via an Intramolecular Povarov Reaction. Org Lett 2013; 15:5574-7. [DOI: 10.1021/ol402775k] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Ming Chen
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
| | - Ning Sun
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
| | - Yuanhong Liu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
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26
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Fang G, Li J, Wang Y, Gou M, Liu Q, Li X, Bi X. An Atom-Economic Route to Thiophenes and 2,2′-Bithiophenes by Intramolecular Transannulation of gem-Dialkylthio Enynes. Org Lett 2013; 15:4126-9. [DOI: 10.1021/ol4017854] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Guichun Fang
- Department of Chemistry, Northeast Normal University, Changchun 130024, China, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China, and Department of Chemistry, Jilin Normal University, Siping 136000, China
| | - Jichun Li
- Department of Chemistry, Northeast Normal University, Changchun 130024, China, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China, and Department of Chemistry, Jilin Normal University, Siping 136000, China
| | - Yeming Wang
- Department of Chemistry, Northeast Normal University, Changchun 130024, China, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China, and Department of Chemistry, Jilin Normal University, Siping 136000, China
| | - Mingyu Gou
- Department of Chemistry, Northeast Normal University, Changchun 130024, China, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China, and Department of Chemistry, Jilin Normal University, Siping 136000, China
| | - Qun Liu
- Department of Chemistry, Northeast Normal University, Changchun 130024, China, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China, and Department of Chemistry, Jilin Normal University, Siping 136000, China
| | - Xingqi Li
- Department of Chemistry, Northeast Normal University, Changchun 130024, China, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China, and Department of Chemistry, Jilin Normal University, Siping 136000, China
| | - Xihe Bi
- Department of Chemistry, Northeast Normal University, Changchun 130024, China, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China, and Department of Chemistry, Jilin Normal University, Siping 136000, China
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27
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Abstract
Ketene dithioacetals are versatile intermediates in organic synthesis. Extensive research, since the last decade, has given rise to new prospects in their chemistry. The objective of this review is twofold: first, to highlight the new prospects in the chemistry of functionalized ketene dithioacetals, and second, to provide an intrinsic link between ketene dithioacetal groups and a variety of other functional groups, which has brought out many new facts that will assist in future designs.
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Affiliation(s)
- Ling Pan
- Department of Chemistry, Northeast Normal University, 5268 Renmin Street, Changchun, 130024, China
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28
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Zhang YF, Han XD, Ren CQ, Zhao YL. CuI-Catalyzed, One-Pot, Three-Component Huisgen Cycloaddition Reaction of Conjugated Enynes and In Situ–Generated Azides. SYNTHETIC COMMUN 2013. [DOI: 10.1080/00397911.2012.688229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Yan-Feng Zhang
- a Department of Chemistry , Northeast Normal University , Changchun , China
| | - Xiao-Dan Han
- a Department of Chemistry , Northeast Normal University , Changchun , China
| | - Chuan-Qing Ren
- a Department of Chemistry , Northeast Normal University , Changchun , China
| | - Yu-Long Zhao
- a Department of Chemistry , Northeast Normal University , Changchun , China
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29
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Zhang L, Wu B, Zhou Y, Xia J, Zhou S, Wang S. Rare-Earth Metal Chlorides Catalyzed One-pot Syntheses of Quinolines under Solvent-free Microwave Irradiation Conditions. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300047] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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30
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[3+2] Cycloadditions of α-acyl ketene dithioacetals with propargylamines: pyrrole synthesis in water. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.01.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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31
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Batchu H, Bhattacharyya S, Batra S. Iodine-Mediated Intramolecular Electrophilic Aromatic Cyclization in Allylamines: A General Route to Synthesis of Quinolines, Pyrazolo[4,3-b]pyridines, and Thieno[3,2-b]pyridines. Org Lett 2012; 14:6330-3. [DOI: 10.1021/ol303109m] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Harikrishna Batchu
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, PO Box 173, Lucknow 226001, India
| | - Soumya Bhattacharyya
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, PO Box 173, Lucknow 226001, India
| | - Sanjay Batra
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, PO Box 173, Lucknow 226001, India
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32
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Abstract
In this study we developed an efficient one-pot procedure for the preparation of 3-substituted and 3,4-disubstituted quinolines from stable starting materials (activated acetylenes reacting with o-tosylamidobenzaldehydes and o-tosylamidophenones, respectively) under mild conditions. The reaction appears to operate under a general base catalysis mechanism, instigated by the β-phosphonium enoate α-vinyl anion generated in situ through nucleophilic addition of PPh(3) to the activated alkyne. Michael addition of the deprotonated tosylamides to the activated alkynes and subsequent rapid aldol cyclization led to the formation of labile N-tosyldihydroquinoline intermediates. Driven by aromatization, detosylation of the dihydroquinoline intermediates occurred readily in the presence of dilute aqueous HCl to give the final quinoline products.
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Affiliation(s)
- San Khong
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Dr. East, Los Angeles, California 90095-1569
| | - Ohyun Kwon
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Dr. East, Los Angeles, California 90095-1569
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33
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Tang J, Li J, Zhang L, Ma S, Shi D, Zhang Q, Yang L, Wang X, Liu X, Liu C. The Divergent Transformations of Aromatico-Aminonitrile with Carbonyl Compound. J Heterocycl Chem 2012. [DOI: 10.1002/jhet.804] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jianhong Tang
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
- College of Chemical Engineering; Huaqiao University; Xiamen, Fujian 362021 People's Republic of China
| | - Jiarong Li
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Lijun Zhang
- School of Chemistry and Chemical Engineering; Tianjin University of Technology; Tianjin 300191 People's Republic of China
| | - Shuling Ma
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Daxin Shi
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Qi Zhang
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Liupan Yang
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Xiuzhen Wang
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Xuan Liu
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
| | - Change Liu
- School of Chemical Engineering and Environment; Beijing Institute of Technology; Beijing 100081 People's Republic of China
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34
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Wen LR, Shi YJ, Liu GY, Li M. Modulating the reactivity of functionalized N,S-ketene acetal in MCR: selective synthesis of tetrahydropyridines and thiochromeno[2,3-b]pyridines via DABCO-catalyzed tandem annulation. J Org Chem 2012; 77:4252-60. [PMID: 22512644 DOI: 10.1021/jo202665q] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
An efficient and straightforward three-component synthetic protocol was developed to synthesize 1,2,3,4-tetrahydropyridine derivatives or thiochromeno[2,3-b]pyridine derivatives from β-aroylthioacetanilides or β-(2-haloaroyl)thioacetanilides, aldehydes, and aroyl acetonitriles via DABCO-catalyzed tandem [3 + 2 + 1] annulation and S(N)Ar reaction. This synthetic approach has the prominent features of high chemo-, stereo- (or enantio-), and unusual regioselectivity. In the domino processes, at least seven reactive sites were involved, and up to three covalent bonds and one functionalized pyridine ring were generated. This facile and efficient reaction is a quite general for the preparation of tetrahydropyridine derivatives or thiochromeno[2,3-b]pyridine derivatives.
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Affiliation(s)
- Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, P. R. China.
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35
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Suresh R, Muthusubramanian S, Senthilkumaran R, Manickam G. SnCl2-Catalyzed Selective Atom Economic Imino Diels–Alder Reaction: Synthesis of 2-(1H-Pyrrolo[2,3-b]pyridin-3-yl)quinolines. J Org Chem 2012; 77:1468-76. [DOI: 10.1021/jo202256z] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rajendran Suresh
- Department of Organic Chemistry,
School of Chemistry, Madurai Kamaraj University, Madurai, 625 021, India
- Syngene International Limited, Biocon, Bangalore, 560 099, India
| | - Shanmugam Muthusubramanian
- Department of Organic Chemistry,
School of Chemistry, Madurai Kamaraj University, Madurai, 625 021, India
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36
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Zhu M, Fu W, Xun C, Zou G. An Efficient Synthesis of Substituted Quinolines via Indium(III) Chloride Catalyzed Reaction of Imines with Alkynes. B KOREAN CHEM SOC 2012. [DOI: 10.5012/bkcs.2012.33.1.43] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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37
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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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38
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Shan G, Sun X, Xia Q, Rao Y. A Facile Synthesis of Substituted 2-Alkylquinolines through [3 + 3] Annulation between 3-Ethoxycyclobutanones and Aromatic Amines at Room Temperature. Org Lett 2011; 13:5770-3. [DOI: 10.1021/ol202334s] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gang Shan
- Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Xiuyun Sun
- Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Qian Xia
- Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Yu Rao
- Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences, Tsinghua University, Beijing 100084, China
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39
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Li W, Gao JJ, Zhang Y, Tang W, Lee H, Fandrick KR, Lu B, Senanayake CH. A Mild Palladium-Catalyzed Suzuki Coupling Reaction of Quinoline Carboxylates with Boronic Acids. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100141] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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40
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Jiang B, Zhang G, Ma N, Shi F, Tu SJ, Kaur P, Li G. A new rapid multicomponent domino reaction for the formation of functionalized benzo[h]pyrazolo[3,4-b]quinolines. Org Biomol Chem 2011; 9:3834-8. [DOI: 10.1039/c1ob05034f] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Li M, Hou YL, Wen LR, Gong FM. Reactivity of Functionalized N,S-Ketene Acetal: Regioselective Construction of Tetrahydrobenzo[b]pyran and Chromeno[2,3-b]quinoline Derivatives. J Org Chem 2010; 75:8522-32. [DOI: 10.1021/jo101902z] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Ming Li
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, P. R. China
| | - Yan-Li Hou
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, P. R. China
| | - Li-Rong Wen
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, P. R. China
| | - Fu-Meng Gong
- State Key Laboratory Base of Eco-Chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, Qingdao 266042, P. R. China
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42
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Saito A, Kasai J, Konishi T, Hanzawa Y. Tandem Synthesis of 2,3-Dihydro-4-iminoquinolines via Three-Component Alkyne-Imine Metathesis. J Org Chem 2010; 75:6980-2. [DOI: 10.1021/jo1013993] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Akio Saito
- Laboratory of Organic Reaction Chemistry
- High Technology Research Center
| | - Jun Kasai
- Laboratory of Organic Reaction Chemistry
| | | | - Yuji Hanzawa
- Laboratory of Organic Reaction Chemistry
- High Technology Research Center
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43
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Vicente-García E, Catti F, Ramón R, Lavilla R. Unsaturated lactams: new inputs for povarov-type multicomponent reactions. Org Lett 2010; 12:860-3. [PMID: 20092279 DOI: 10.1021/ol902913j] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Unsaturated lactams with endo- or exocyclic C-C double bonds constitute a set of reactive inputs that serve as the electron-rich olefin component in Povarov reactions. These substrates afford the multicomponent adducts in convenient yields and offer a wide range of structural diversity. Postcondensation transformations allow direct access to a variety of lactam-fused and amide-substituted quinoline derivatives.
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44
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Peng C, Wang Y, Liu L, Wang H, Zhao J, Zhu Q. p-Toluenesulfonic Acid Promoted Annulation of 2-Alkynylanilines with Activated Ketones: Efficient Synthesis of 4-Alkyl-2,3-Disubstituted Quinolines. European J Org Chem 2010. [DOI: 10.1002/ejoc.200901257] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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45
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Gao GL, Niu YN, Yan ZY, Wang HL, Wang GW, Shaukat A, Liang YM. Unexpected Domino Reaction via Pd-Catalyzed Sonogashira Coupling of Benzimidoyl Chlorides with 1,6-Enynes and Cyclization To Synthesize Quinoline Derivatives. J Org Chem 2010; 75:1305-8. [DOI: 10.1021/jo9026116] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Guo-Lin Gao
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Yan-Ning Niu
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Ze-Yi Yan
- Laboratory of Radiochemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Hong-Li Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Gang-Wei Wang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Ali Shaukat
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
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46
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A new process of multicomponent Povarov reaction–aerobic dehydrogenation: synthesis of polysubstituted quinolines. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.09.125] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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47
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Wang Y, Peng C, Liu L, Zhao J, Su L, Zhu Q. Sulfuric acid promoted condensation cyclization of 2-(2-(trimethylsilyl) ethynyl)anilines with arylaldehydes in alcoholic solvents: an efficient one-pot synthesis of 4-alkoxy-2-arylquinolines. Tetrahedron Lett 2009. [DOI: 10.1016/j.tetlet.2009.02.206] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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48
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Meng J, Zhao YL, Ren CQ, Li Y, Li Z, Liu Q. Highly Efficient Access to Bi- and Tricyclic Ketals through Gold-Catalyzed Tandem Reactions of 4-Acyl-1,6-diynes. Chemistry 2009; 15:1830-4. [DOI: 10.1002/chem.200802304] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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49
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Horn J, Marsden SP, Nelson A, House D, Weingarten GG. Convergent, regiospecific synthesis of quinolines from o-aminophenylboronates. Org Lett 2008; 10:4117-20. [PMID: 18722456 DOI: 10.1021/ol8016726] [Citation(s) in RCA: 108] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A direct convergent two-component synthesis of quinolines from alpha,beta-unsaturated ketones and o-aminophenylboronic acid derivatives is reported. The reaction is regiocomplementary to the traditional Skraup-Doebner-Von Miller synthesis and proceeds under basic rather than strongly acidic conditions. Quinolines substituted in the benzenoid ring can be accessed by using substituted o-aminophenylboronates prepared by direct palladium-catalyzed borylation of the corresponding o-bromoanilines.
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Affiliation(s)
- Joachim Horn
- School of Chemistry, University of Leeds, Leeds LS2 9JT, UK
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50
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Zhao Y, Li D, Han X, Chen L, Liu Q. Proton‐Promoted Hydroamination of 3‐Dialkylthiomethylene‐1,4‐pentadiynes witho‐Phenylenediamines: A Facile Route to Benzo[b][1,4]diazepines. Adv Synth Catal 2008. [DOI: 10.1002/adsc.200700547] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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