1
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Palamini P, Borrel J, Djaïd M, Delattre M, Waser J. Acyl-Ethynylbenziodoxolone (acyl-EBX): Access to Ketene Dithioarylacetals. Org Lett 2023; 25:7535-7539. [PMID: 37801735 DOI: 10.1021/acs.orglett.3c02869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/08/2023]
Abstract
We report the synthesis of ketene dithioarylacetals in 40-97% yield using thiophenols and acyl-EBXs (ethynylbenziodoxolones) generated in situ from a common hypervalent iodine precursor and alkynyl trifluoroborate salts. The products could be further modified to afford functionalized ketene dithioacetals and various S-substituted heterocycles.
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Affiliation(s)
- Pierre Palamini
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Julien Borrel
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Maël Djaïd
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Morgane Delattre
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
| | - Jerome Waser
- Laboratory of Catalysis and Organic Synthesis, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL SB ISIC LCSO, BCH 4306, 1015 Lausanne, Switzerland
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2
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Ramle AQ, Tiekink ERT. Synthetic strategies and diversification of dibenzo[1,5]diazocines. Org Biomol Chem 2023; 21:2870-2888. [PMID: 36919641 DOI: 10.1039/d3ob00192j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Dibenzo[1,5]diazocine scaffolds are present in a wide range of organic building blocks, for example in pharmaceuticals, materials and structural chemistry. However, the development of these structural frameworks has not received significant attention owing to limited synthetic protocols and strategies. Herein, a summary of the attractive synthetic approaches for the construction of dibenzo[1,5]diazocines, epiminodibenzo[1,5]diazocines and epoxydibenzo[1,5]diazocines developed over the past two decades is presented. The spectroscopic, synthetic mechanisms for the formation of the heterocyclic rings and remarkable structural features, including in the solid-state, are discussed.
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Affiliation(s)
- Abdul Qaiyum Ramle
- School of Chemical Sciences, Universiti Sains Malaysia, 11800 Penang, Malaysia.
| | - Edward R T Tiekink
- Research Centre for Crystalline Materials, School of Medical and Life Sciences, Sunway University, 47500 Bandar Sunway, Selangor Darul Ehsan, Malaysia
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3
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Shi J, Zhang LZ, Pan Y, Feng DQ, Wu GY, Yang K, Sun XQ, Li ZY. Stereoselective Mannich reaction catalyzed by tetrahydroindolo[3,2-b]indole under solvent-free conditions. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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4
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Zhang G, Liang Q, Yang W, Jiang S, Wang Z, Zhang C, Zhang G. One Pot Synthesis of 1,2‐Disubstituted Ethanones by Base‐Mediated Reductive Homocoupling of Aldehydes. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Guohui Zhang
- Qingdao University of Science and Technology CHINA
| | | | - Wei Yang
- Institute of Coal Chemistry CAS CHINA
| | | | - Zhiping Wang
- Qingdao University of Science and Technology CHINA
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5
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Borah B, Chowhan LR. Ultrasound-assisted transition-metal-free catalysis: a sustainable route towards the synthesis of bioactive heterocycles. RSC Adv 2022; 12:14022-14051. [PMID: 35558846 PMCID: PMC9092113 DOI: 10.1039/d2ra02063g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 04/27/2022] [Indexed: 12/13/2022] Open
Abstract
Heterocycles of synthetic and natural origin are a well-established class of compounds representing a broad range of organic molecules that constitute over 60% of drugs and agrochemicals in the market or research pipeline. Considering the vast abundance of these structural motifs, the development of chemical processes providing easy access to novel complex target molecules by introducing environmentally benign conditions with the main focus on improving the cost-effectiveness of the chemical transformation is highly demanding and challenging. Accordingly, sonochemistry appears to be an excellent alternative and a highly feasible environmentally benign energy input that has recently received considerable and steadily increasing interest in organic synthesis. However, the involvement of transition-metal-catalyst(s) in a chemical process often triggers an unintended impact on the greenness or sustainability of the transformation. Consequently, enormous efforts have been devoted to developing metal-free routes for assembling various heterocycles of medicinal interest, particularly under ultrasound irradiation. The present review article aims to demonstrate a brief overview of the current progress accomplished in the ultrasound-assisted synthesis of pharmaceutically relevant diverse heterocycles using transition-metal-free catalysis.
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Affiliation(s)
- Biplob Borah
- School of Applied Material Sciences, Centre for Applied Chemistry, Central University of Gujarat Gandhinagar-382030 India
| | - L Raju Chowhan
- School of Applied Material Sciences, Centre for Applied Chemistry, Central University of Gujarat Gandhinagar-382030 India
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6
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Khan RI, Pitchumani K. Quinolinium modified β-cyclodextrin: An ionic ligand towards sustainable A3-coupling and tandem cyclisation reactions of aldehydes, amines and alkynes. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Ghosh A, Li T, Ni W, Wu T, Liang C, Budanovic M, Morris SA, Klein M, Webster RD, Gurzadyan GG, Grimsdale AC. Synthesis, Optical and Electrochemical Properties of Isomeric Dibenzophenanthroline Derivatives. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Animesh Ghosh
- School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Tianjiao Li
- Institute of Artificial Photosynthesis State Key Laboratory of Fine Chemicals, Dalian University of Technology 2 Ling Gong Road Dalian 116024 P. R. China
| | - Wenjun Ni
- Institute of Artificial Photosynthesis State Key Laboratory of Fine Chemicals, Dalian University of Technology 2 Ling Gong Road Dalian 116024 P. R. China
| | - Tong Wu
- Institute of Artificial Photosynthesis State Key Laboratory of Fine Chemicals, Dalian University of Technology 2 Ling Gong Road Dalian 116024 P. R. China
| | - Caihong Liang
- School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Maja Budanovic
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Samuel A. Morris
- School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
| | - Maciej Klein
- Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Richard D. Webster
- Division of Chemistry and Biological Chemistry School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore 637371 Singapore
| | - Gagik G. Gurzadyan
- Institute of Artificial Photosynthesis State Key Laboratory of Fine Chemicals, Dalian University of Technology 2 Ling Gong Road Dalian 116024 P. R. China
| | - Andrew C. Grimsdale
- School of Materials Science and Engineering Nanyang Technological University 50 Nanyang Avenue Singapore 639798 Singapore
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8
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Yu F, Shen W, Sun Y, Liao Y, Jin S, Lu X, He R, Zhong L, Zhong G, Zhang J. Ruthenium-catalyzed C-H amination of aroylsilanes. Org Biomol Chem 2021; 19:6313-6321. [PMID: 34212972 DOI: 10.1039/d1ob00935d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Acylsilane represents a valuable synthon in synthetic chemistry. We report on ruthenium(ii)-catalyzed ortho-C-H amination of aroylsilanes to provide facile access to synthetically useful imidobenzoylsilanes and tosyl-amidobenzoylsilanes. The protocols, with broad substrate scope and excellent functional group tolerance, are enabled with the weak chelation-assistance of acylsilane via C-H cyclometallation.
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Affiliation(s)
- Feifei Yu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Wenzhou Shen
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Yaling Sun
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Yilei Liao
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Shuqi Jin
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Xiunan Lu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Rui He
- Department of Stomatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, 310015, China.
| | - Liangjun Zhong
- Department of Stomatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, 310015, China.
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Jian Zhang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China. and Department of Stomatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, 310015, China.
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9
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Zhu J, Han Y, Ni Y, Li G, Wu J. Facile Synthesis of Nitrogen-Doped [(6.)m8]nCyclacene Carbon Nanobelts by a One-Pot Self-Condensation Reaction. J Am Chem Soc 2021; 143:2716-2721. [DOI: 10.1021/jacs.1c00409] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Jun Zhu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Yi Han
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Yong Ni
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Guangwu Li
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Jishan Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
- Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
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10
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Baba YF, Gökce H, Rodi YK, Hayani S, Chahdi FO, Boukir A, Jasinski JP, Kaur M, Hökelek T, Sebbar NK, Essassi EM. Syntheses of novel 2-oxo-1,2-dihydroquinoline derivatives: Molecular and crystal structures, spectroscopic characterizations, Hirshfeld surface analyses, molecular docking studies and density functional theory calculations. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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11
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Xie R, Lu GP, Jiang HF, Zhang M. Selective reductive annulation reaction for direct synthesis of functionalized quinolines by a cobalt nanocatalyst. J Catal 2020. [DOI: 10.1016/j.jcat.2020.01.034] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Ghobadi N, Nazari N, Gholamzadeh P. The Friedländer reaction: A powerful strategy for the synthesis of heterocycles. ADVANCES IN HETEROCYCLIC CHEMISTRY 2020. [DOI: 10.1016/bs.aihch.2020.01.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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13
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Harry NA, Ujwaldev SM, Anilkumar G. Recent advances and prospects in the metal-free synthesis of quinolines. Org Biomol Chem 2020; 18:9775-9790. [DOI: 10.1039/d0ob02000a] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Metal-free synthesis of quinolines has recently gained attention, and this review focuses on the recent advances in the metal-free synthesis of quinolines.
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Affiliation(s)
- Nissy Ann Harry
- School of Chemical Sciences
- Mahatma Gandhi University
- Kottayam
- India 686560
| | | | - Gopinathan Anilkumar
- School of Chemical Sciences
- Mahatma Gandhi University
- Kottayam
- India 686560
- Advanced Molecular Materials Research Centre (AMMRC)
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14
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Janke J, Ehlers P, Villinger A, Langer P. Regioselective Synthesis of Thieno[3,2-b
]quinolones by Acylation/Two-Fold Buchwald-Hartwig Reactions. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901247] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Julia Janke
- Institute of Chemistry; University Rostock; Albert-Einstein-Str. 3a 18059 Rostock Germany
| | - Peter Ehlers
- Institute of Chemistry; University Rostock; Albert-Einstein-Str. 3a 18059 Rostock Germany
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; A.-Einstein-Str. 29a 18059 Rostock Germany
| | - Alexander Villinger
- Institute of Chemistry; University Rostock; Albert-Einstein-Str. 3a 18059 Rostock Germany
| | - Peter Langer
- Institute of Chemistry; University Rostock; Albert-Einstein-Str. 3a 18059 Rostock Germany
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock; A.-Einstein-Str. 29a 18059 Rostock Germany
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15
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Hamid A, Souizi A, Lawson AM, Othman M, Ghinet A, Rigo B, Daïch A. Benzo[7,8]indolizinoquinoline scaffolds based on Mg(ClO4)2-promoted regiospecific imide reduction and π-cyclization of N-acyliminium species. Analogues of the topo-1 poison rosettacin and 22-hydroxyacuminatine alkaloids. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2018.03.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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16
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Marsicano V, Chiarini M, Marinelli F, Arcadi A. Synthesis of Polycyclic Quinolines by Means of Brønsted Acid Mediated Reaction of β‐(2‐Aminophenyl)‐α,β‐Ynones with Ketones. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900141] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Vincenzo Marsicano
- Dipartimento di Scienze Fisiche e ChimicheUniversità di L'Aquila Via Vetoio 67010 Coppito (AQ) Italy
| | - Marco Chiarini
- Facoltà di Bioscienze e Tecnologie Agro-alimentari e AmbientaliUniversità di Teramo Via Balzarini 1 64100 Teramo (TE) Italy
| | - Fabio Marinelli
- Dipartimento di Scienze Fisiche e ChimicheUniversità di L'Aquila Via Vetoio 67010 Coppito (AQ) Italy
| | - Antonio Arcadi
- Dipartimento di Scienze Fisiche e ChimicheUniversità di L'Aquila Via Vetoio 67010 Coppito (AQ) Italy
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17
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Kumar P, Garg V, Kumar M, Verma AK. Rh(iii)-catalyzed alkynylation: synthesis of functionalized quinolines from aminohydrazones. Chem Commun (Camb) 2019; 55:12168-12171. [DOI: 10.1039/c9cc06205j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Rhodium-catalyzed, chemo- and regioselective synthesis of functionalized quinolines using 2-aminohydrazones and terminal alkynes has been described.
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Affiliation(s)
- Pradeep Kumar
- Department of Chemistry
- University of Delhi
- Delhi-11007
- India
| | - Vineeta Garg
- Department of Chemistry
- University of Delhi
- Delhi-11007
- India
| | - Manoj Kumar
- Department of Chemistry
- University of Delhi
- Delhi-11007
- India
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18
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Nainwal LM, Tasneem S, Akhtar W, Verma G, Khan MF, Parvez S, Shaquiquzzaman M, Akhter M, Alam MM. Green recipes to quinoline: A review. Eur J Med Chem 2018; 164:121-170. [PMID: 30594028 DOI: 10.1016/j.ejmech.2018.11.026] [Citation(s) in RCA: 100] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 10/25/2018] [Accepted: 11/09/2018] [Indexed: 12/25/2022]
Abstract
The quinoline core possesses a vast number of biological activities such as anticancer, antimalarial, antimicrobial, antifungal, antitubercular and antileishmanial. The conventional classical synthetic methods require the use of expensive and harsh conditions such as high temperature. Currently the scientific communities are searching new methodology to eliminate the use of chemicals, solvents and catalysts, which are hazardous to human health as well as to environment. This review provides a concise overview of new dimensions of green chemistry approaches in designing quinoline scaffold that would encourage the researchers towards green chemistry as well as future application of these greener, non-toxic, environment friendly methods in designing quinoline scaffold.
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Affiliation(s)
- Lalit Mohan Nainwal
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Sharba Tasneem
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Wasim Akhtar
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Garima Verma
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammed Faraz Khan
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Suhel Parvez
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammad Shaquiquzzaman
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mymoona Akhter
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India
| | - Mohammad Mumtaz Alam
- Drug Design & Medicinal Chemistry Lab, Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, 110062, India.
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19
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Xu C, Wang M, Liu Q. Recent Advances in Metal‐Catalyzed Bond‐Forming Reactions of Ketene
S,S
‐Acetals. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801070] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Cong Xu
- National Engineering Laboratory for Druggable Gene and Protein ScreeningSchool of Life SciencesNortheast Normal University Changchun 130024 People's Republic of China
| | - Mang Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & SynthesisFaculty of ChemistryNortheast Normal University Changchun 130024 People's Republic of China
| | - Qun Liu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & SynthesisFaculty of ChemistryNortheast Normal University Changchun 130024 People's Republic of China
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20
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Azizi M, Nasr-Esfahani M, Mohammadpoor-Baltork I, Moghadam M, Mirkhani V, Tangestaninejad S, Kia R. Synthesis of Quinolines and Pyrido[3,2-g or 2,3-g]quinolines Catalyzed by Heterogeneous Propylphosphonium Tetrachloroindate Ionic Liquid. J Org Chem 2018; 83:14743-14750. [DOI: 10.1021/acs.joc.8b02261] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Mahboobeh Azizi
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | - Mahboobeh Nasr-Esfahani
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | | | - Majid Moghadam
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | - Valiollah Mirkhani
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | - Shahram Tangestaninejad
- Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746-73441, Iran
| | - Reza Kia
- Chemistry Department, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
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21
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Yaragorla S, Pareek A. Regioselective intramolecular annulations of ambident β-enamino esters: A diversity-oriented synthesis of nitrogen-containing privileged molecules. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.01.064] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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22
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Xiong B, Wang Y, Liu Y, Bao Y, Liu Z, Zhang Y, Ling Y. Straightforward synthesis of quinolines from enones and 2-aminobenzyl alcohols using an iridium-catalyzed transfer hydrogenative strategy. Org Biomol Chem 2018; 16:5707-5711. [DOI: 10.1039/c8ob01321g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Synthesis of quinolines via transfer hydrogenative coupling with high step- and atom efficiency, mild conditions and operational simplicity.
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Affiliation(s)
- Biao Xiong
- School of Pharmacy
- Nantong University
- Nantong
- China
| | | | - Yuan Liu
- School of Pharmacy
- Nantong University
- Nantong
- China
| | - Yandan Bao
- School of Pharmacy
- Nantong University
- Nantong
- China
| | - Zhaoguo Liu
- School of Pharmacy
- Nantong University
- Nantong
- China
| | - Yanan Zhang
- School of Pharmacy
- Nantong University
- Nantong
- China
| | - Yong Ling
- School of Pharmacy
- Nantong University
- Nantong
- China
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23
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Jadhav SD, Singh A. Oxidative Annulations Involving DMSO and Formamide: K 2S 2O 8 Mediated Syntheses of Quinolines and Pyrimidines. Org Lett 2017; 19:5673-5676. [PMID: 28980820 DOI: 10.1021/acs.orglett.7b02838] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient strategy toward 4-arylquinolines and 4-arylpyrimidines from readily available precursors is described. Oxidative annulation promoted by K2S2O8 involving anilines, aryl ketones, and DMSO as a methine (═CH-) equivalent leads to 4-arylquinolines via a cascade that entails generation of a sulfenium ion, subsequent C-N and C-C bond formations, and cyclization. The application of this strategy to the activation of acetophenone-formamide conjugates toward the synthesis of 4-arylpyrimidines is also described.
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Affiliation(s)
- Santosh D Jadhav
- Department of Chemistry, Indian Institute of Technology Kanpur , Kanpur-208016, U.P. India
| | - Anand Singh
- Department of Chemistry, Indian Institute of Technology Kanpur , Kanpur-208016, U.P. India
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24
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Hosseyni Largani T, Imanzadeh G, Noroozi Pesyan N, Şahin E. Unexpected simultaneous synthesis of trisubstituted quinolines and acylhydrazones under catalyst-free conditions. SYNTHETIC COMMUN 2017. [DOI: 10.1080/00397911.2017.1310249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Tahere Hosseyni Largani
- Department of Chemistry, Faculty of Basic Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Gholamhassan Imanzadeh
- Department of Chemistry, Faculty of Basic Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | | | - Ertan Şahin
- Department of Chemistry, Faculty of Science, Atatürk University, Erzurum, Turkey
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25
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Chiral exploration of 6,12-diphenyldibenzo[b
,f
][1,5]diazocine with stable conformation. Chirality 2017; 29:134-139. [DOI: 10.1002/chir.22680] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 01/18/2017] [Indexed: 11/07/2022]
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26
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Srivastava A, Shukla G, Singh MS. p -Toluenesulfonic acid-catalyzed metal-free formal [4 + 1] heteroannulation via N H/O H/S H functionalization: One-pot access to 2-aryl/hetaryl/alkyl benzazole derivatives. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.12.073] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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27
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Dai H, Li CX, Yu C, Wang Z, Yan H, Lu C. Copper(ii) catalyzed domino synthesis of quinoline derivatives from arylamines and alkynes. Org Chem Front 2017. [DOI: 10.1039/c7qo00333a] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
An open-flask copper(ii) catalyzed quinoline synthesis by anilines and electron-deficient alkynes at room temperature has been developed.
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Affiliation(s)
- Huimin Dai
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Chun-Xiao Li
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Chao Yu
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Zihao Wang
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Changsheng Lu
- State Key Laboratory of Coordination Chemistry
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing
- China
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28
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Sarode PB, Bahekar SP, Chandak HS. Zn(OTf) 2 -mediated C H activation: An expeditious and solvent-free synthesis of aryl/alkyl substituted quinolines. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.10.113] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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29
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Luo L, Zhou Z, Zhu J, Lu X, Wang H. ZnCl2-promoted Friedländer-type synthesis of 4-substituted 3-aroyl quinolines from o-aminoaryl ketones and enaminones. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.09.087] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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30
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Chemo- and regio-selective synthesis of hexacyclic indeno-fused coumarins via domino Diels–Alder dimerization/Baeyer–Villiger oxidation. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.08.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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31
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Recent Advances in Metal-Free Quinoline Synthesis. Molecules 2016; 21:molecules21080986. [PMID: 27483222 PMCID: PMC6273574 DOI: 10.3390/molecules21080986] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 07/21/2016] [Accepted: 07/22/2016] [Indexed: 11/17/2022] Open
Abstract
The quinoline ring system is one of the most ubiquitous heterocycles in the fields of medicinal and industrial chemistry, forming the scaffold for compounds of great significance. These include anti-inflammatory and antitumor agents, the antimalarial drugs quinine and chloroquine, and organic light-emitting diodes. Quinolines were first synthesized in 1879, and since then a multitude of synthetic routes have been developed. Many of these methods, such as the Skraup, Doebner–Von Miller, and Friedlander quinoline syntheses, are well-known but suffer from inefficiency, harsh reaction conditions, and toxic reagents. This review focuses on recent transition metal-free processes toward these important heterocycles, including both novel routes and modifications to established methods. For example, variations on the Skraup method include microwave irradiation, ionic liquid media, and novel annulation partners, all of which have shown increased reaction efficiency and improved yield of the heteroring-unsubstituted quinoline products. Similarly, modifications to other synthetic routes have been implemented, with the quinoline products displaying a wide variety of substitution patterns.
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32
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Raghuvanshi K, Zell D, Rauch K, Ackermann L. Ketone-Assisted Ruthenium(II)-Catalyzed C–H Imidation: Access to Primary Aminoketones by Weak Coordination. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00711] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Keshav Raghuvanshi
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Daniel Zell
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Karsten Rauch
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische
und Biomolekulare Chemie, Georg-August-Universität, Tammannstraße 2, 37077 Göttingen, Germany
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33
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Koley S, Chanda T, Ramulu BJ, Chowdhury S, Singh MS. Acid-Controlled Chemodivergent Synthesis of Three Differently Substituted QuinolinesviaSite Selective Coupling ofortho- Aminoaryl Ketones with α-Enolic Dithioesters. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201500962] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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34
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Luo S, Hu Z, Zhu Q. Dearomative C–C and C–N bond cleavage of 2-arylindoles: transition-metal-free access to 2-aminoarylphenones. Org Chem Front 2016. [DOI: 10.1039/c5qo00394f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A transition-metal-free conversion of 2-arylindoles to 2-aminoarylphenones, using environmentally benign O2 as the sole oxidant, has been developed. This novel oxidative dearomatization process involves cleavage of two C–C and one C–N bonds followed by new C–C and C–O bond formation.
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Affiliation(s)
- Shuang Luo
- State Key Laboratory of Respiratory Disease
- Guangzhou Institutes of Biomedicine and Health
- Chinese Academy of Sciences
- Guangzhou 510530
- China
| | - Ziwei Hu
- State Key Laboratory of Respiratory Disease
- Guangzhou Institutes of Biomedicine and Health
- Chinese Academy of Sciences
- Guangzhou 510530
- China
| | - Qiang Zhu
- State Key Laboratory of Respiratory Disease
- Guangzhou Institutes of Biomedicine and Health
- Chinese Academy of Sciences
- Guangzhou 510530
- China
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35
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Stopka T, Niggemann M. Metal free carboamination of internal alkynes – an easy access to polysubstituted quinolines. Chem Commun (Camb) 2016; 52:5761-4. [DOI: 10.1039/c5cc10460b] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A synergistic Brønsted acid catalyst was used to intermolecularly generate vinyl cations for a C–C bond formation – Schmidt rearrangement – sequence.
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Affiliation(s)
- T. Stopka
- Institute of Organic Chemistry
- RWTH Aachen University
- 52074 Aachen
- Germany
| | - M. Niggemann
- Institute of Organic Chemistry
- RWTH Aachen University
- 52074 Aachen
- Germany
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36
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Ravi M, Chauhan P, Singh S, Kant R, Yadav PP. p-TsOH-promoted synthesis of (E)-6-phenyl-7-styryl-5,6-dihydrodibenzo[b,h][1,6]naphthyridines via cascade intramolecular aza-Michael addition/Friedlander condensation of 2′-aminochalcones in a SDS/H2O system. RSC Adv 2016. [DOI: 10.1039/c6ra04837d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
p-TsOH-promoted one-pot cascade synthesis of novel (E)-6-phenyl-7-styryl-5,6-dihydrodibenzo[b,h][1,6]naphthyridines via homodimerization of 2′-aminochalcones has been developed in a SDS/H2O system.
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Affiliation(s)
- Makthala Ravi
- Division of Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Parul Chauhan
- Division of Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Shikha Singh
- Division of Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Ruchir Kant
- Division of Molecular and Structural Biology
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Prem. P. Yadav
- Division of Medicinal and Process Chemistry
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
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37
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Blair A, Zmuda F, Malviya G, Tavares AAS, Tamagnan GD, Chalmers AJ, Dewar D, Pimlott SL, Sutherland A. A novel 18F-labelled high affinity agent for PET imaging of the translocator protein. Chem Sci 2015; 6:4772-4777. [PMID: 29142713 PMCID: PMC5667507 DOI: 10.1039/c5sc01647a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2015] [Accepted: 05/25/2015] [Indexed: 11/21/2022] Open
Abstract
The translocator protein (TSPO) is an important target for imaging focal neuroinflammation in diseases such as brain cancer, stroke and neurodegeneration, but current tracers for non-invasive imaging of TSPO have important limitations. We present the synthesis and evaluation of a novel 3-fluoromethylquinoline-2-carboxamide, AB5186, which was prepared in eight steps using a one-pot two component indium(iii)-catalysed reaction for the rapid and efficient assembly of the 4-phenylquinoline core. Biological assessment and the implementation of a physicochemical study showed AB5186 to have low nanomolar affinity for TSPO, as well as optimal plasma protein binding and membrane permeability properties. Generation of [18F]-AB5186 through 18F incorporation was achieved in good radiochemical yield and subsequent in vitro and ex vivo autoradiography revealed the ability of this compound to bind with specificity to TSPO in mouse glioblastoma xenografts. Initial positron emission tomography imaging of a glioma bearing mouse and a healthy baboon support the potential for [18F]-AB5186 use as a radiotracer for non-invasive TSPO imaging in vivo.
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Affiliation(s)
- Adele Blair
- WestCHEM , School of Chemistry , University of Glasgow , The Joseph Black Building , Glasgow G12 8QQ , UK . ; ; Tel: +44 (0)141 330 5936
| | - Filip Zmuda
- WestCHEM , School of Chemistry , University of Glasgow , The Joseph Black Building , Glasgow G12 8QQ , UK . ; ; Tel: +44 (0)141 330 5936
- Wolfson Whol Cancer Research Centre , Institute of Cancer Sciences , University of Glasgow , Glasgow G61 1QH , UK
| | - Gaurav Malviya
- Nuclear Imaging Facility , The Beatson Institute for Cancer Research , Glasgow G61 1BD , UK
| | - Adriana A S Tavares
- Molecular NeuroImaging, and LLC , 60 Temple Street , New Haven , Connecticut , USA
| | - Gilles D Tamagnan
- Molecular NeuroImaging, and LLC , 60 Temple Street , New Haven , Connecticut , USA
| | - Anthony J Chalmers
- Wolfson Whol Cancer Research Centre , Institute of Cancer Sciences , University of Glasgow , Glasgow G61 1QH , UK
| | - Deborah Dewar
- Institute of Neuroscience and Psychology , College of Medical , Veterinary and Life Sciences , University of Glasgow , Glasgow G12 8QQ , UK
| | - Sally L Pimlott
- West of Scotland Radionuclide Dispensary , University of Glasgow and North Glasgow University Hospital NHS Trust , Glasgow G11 6NT , UK
| | - Andrew Sutherland
- WestCHEM , School of Chemistry , University of Glasgow , The Joseph Black Building , Glasgow G12 8QQ , UK . ; ; Tel: +44 (0)141 330 5936
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38
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Cai H, Xia L, Lee YR, Shim JJ, Kim SH. Construction of Diverse and Functionalized 2H-Chromenes by Organocatalytic Multicomponent Reactions. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500616] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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39
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Crifar C, Dörr AA, Lubell WD. Copper-catalyzed cascade addition route to 2,3,4-trisubstituted quinoline derivatives. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.01.071] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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40
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Nagaraju A, Janaki Ramulu B, Shukla G, Srivastava A, Verma GK, Raghuvanshi K, Singh MS. A facile and highly convergent approach to thiazolo[3,2-a]pyridines via one-pot multicomponent domino reaction under metal-free and solvent-free conditions. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.03.087] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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41
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Anand N, Chanda T, Koley S, Chowdhury S, Singh MS. CuSO4–d-glucose, an inexpensive and eco-efficient catalytic system: direct access to diverse quinolines through modified Friedländer approach involving SNAr/reduction/annulation cascade in one pot. RSC Adv 2015. [DOI: 10.1039/c4ra14138e] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A one-pot, efficient approach to quinoline synthesis, directly from 2-bromoaromatic aldehydes/ketones in a H2O–EtOH mixture involving a sequence of SNAr/reduction/annulation cascade using CuSO4-d-glucose, is devised.
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Affiliation(s)
- Namrata Anand
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Tanmoy Chanda
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Suvajit Koley
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Sushobhan Chowdhury
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi-221005
- India
| | - Maya Shankar Singh
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi-221005
- India
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42
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Lewis acid mediated three-component one-flask regioselective synthesis of densely functionalized 4-amino-1,2-dihydropyridines via cascade Knoevenagel/Michael/cyclization sequence. Tetrahedron 2015. [DOI: 10.1016/j.tet.2014.11.052] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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43
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Senadi GC, Hu WP, Garkhedkar AM, Boominathan SSK, Wang JJ. Palladium(ii)-catalysed regioselective synthesis of 3,4-disubstituted quinolines and 2,3,5-trisubstituted pyrroles from alkenes via anti-Markovnikov selectivity. Chem Commun (Camb) 2015; 51:13795-8. [DOI: 10.1039/c5cc05196g] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel strategy has been identified for the regioselective synthesis of 3,4-disubstituted quinolines and 2,3,5-trisubstituted pyrroles through anti-Markovnikov selectivity.
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Affiliation(s)
- Gopal Chandru Senadi
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung City 807
- Taiwan
| | - Wan-Ping Hu
- Department of Biotechnology
- Kaohsiung Medical University
- Kaohsiung City 807
- Taiwan
| | - Amol Milind Garkhedkar
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung City 807
- Taiwan
| | | | - Jeh-Jeng Wang
- Department of Medicinal and Applied Chemistry
- Kaohsiung Medical University
- Kaohsiung City 807
- Taiwan
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44
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Anand N, Koley S, Ramulu BJ, Singh MS. Metal-free aerobic one-pot synthesis of substituted/annulated quinolines from alcohols via indirect Friedländer annulation. Org Biomol Chem 2015; 13:9570-4. [DOI: 10.1039/c5ob01422k] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal-free one-pot aerobic synthesis of highly functionalized/annulated quinolines is devised in excellent yields from viable alcohols via indirect Friedländer annulation.
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Affiliation(s)
- Namrata Anand
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | - Suvajit Koley
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | - B. Janaki Ramulu
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi 221005
- India
| | - Maya Shankar Singh
- Department of Chemistry
- Faculty of Science
- Banaras Hindu University
- Varanasi 221005
- India
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45
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Luo L, Meng L, Peng Y, Xing Y, Sun Q, Ge Z, Li R. ZnCl2-Promoted One-Pot Three-Component Synthesis of Multisubstituted Thiazolo[4,5-b]pyridines and Thieno[2,3-b:4,5-b′]dipyridines. European J Org Chem 2014. [DOI: 10.1002/ejoc.201403156] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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46
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Xi GL, Liu ZQ. Solvent-free Povarov reaction for synthesizing ferrocenyl quinolines: Antioxidant abilities deriving from ferrocene moiety. Eur J Med Chem 2014; 86:759-68. [DOI: 10.1016/j.ejmech.2014.09.044] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2014] [Revised: 09/09/2014] [Accepted: 09/12/2014] [Indexed: 11/16/2022]
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47
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In(OTf)3-mediated dehydrative annulation of β-ketothioamides with phenylglyoxal: one-pot access to diversely functionalized pyrrol-2-thiones. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.07.062] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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48
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Rajasekar M, Mohan Das T. Synthesis and Antioxidant Properties of Novel Fluorescein-Based Quinoline Glycoconjugates. J Carbohydr Chem 2014. [DOI: 10.1080/07328303.2014.897351] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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49
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Zanwar MR, Kavala V, Gawande SD, Kuo CW, Huang WC, Kuo TS, Huang HN, He CH, Yao CF. FeCl3 Catalyzed Regioselective C-Alkylation of Indolylnitroalkenes with Amino Group Substituted Arenes. J Org Chem 2014; 79:1842-9. [DOI: 10.1021/jo4025368] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Manoj R. Zanwar
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Veerababurao Kavala
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Sachin D. Gawande
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Chun-Wei Kuo
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Wen-Chang Huang
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Ting-Shen Kuo
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Hsiu-Ni Huang
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Chiu-Hui He
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
| | - Ching-Fa Yao
- Department
of Chemistry, National Taiwan Normal University, 88, Sec. 4, Tingchow Road, Taipei, Taiwan 116, R.O.C
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50
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Nagata H, Sugimoto Y, Ito Y, Tanaka M, Yoshimatsu M. Nickel–palladium-catalyzed hydroamination/cyclization of sulfur-substituted 1,6-diynes with secondary amines. Tetrahedron 2014. [DOI: 10.1016/j.tet.2013.12.049] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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