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Pandey R, Singh G, Gour V, Anand RV. Base-mediated sequential one-pot approach for the synthesis of 2,3-disubstituted indoles from 2-(tosylamino)aryl-substituted para-quinone methides. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.131950] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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2
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Benitez-Medina GE, Ortiz-Soto S, Cabrera A, Amézquita-Valencia M. Regioselective Synthesis of 2-Arylindoles via Palladium-Catalyzed Cyclization of Phenylglyoxal and 2-Anilinoacetophenones with Anilines. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900394] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- G. Eliad Benitez-Medina
- Universidad Nacional Autónoma de México; Instituto de Química, Ciudad Universitaria; Circuito Exterior Ciudad de México 04510 México
| | - Sofía Ortiz-Soto
- Universidad Nacional Autónoma de México; Instituto de Química, Ciudad Universitaria; Circuito Exterior Ciudad de México 04510 México
| | - Armando Cabrera
- Universidad Nacional Autónoma de México; Instituto de Química, Ciudad Universitaria; Circuito Exterior Ciudad de México 04510 México
| | - Manuel Amézquita-Valencia
- Universidad Nacional Autónoma de México; Instituto de Química, Ciudad Universitaria; Circuito Exterior Ciudad de México 04510 México
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3
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Döndaş HA, Retamosa MDG, Sansano JM. Recent Development in Palladium-Catalyzed Domino Reactions: Access to Materials and Biologically Important Carbo- and Heterocycles. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00110] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- H. Ali Döndaş
- Mersin University, Faculty of Pharmacy, Yenisehir Campus 33169, Yenisehir, Mersin, Turkey
| | - María de Gracia Retamosa
- Instituto de Investigaciones Químicas (CSIC-US) and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Avda. Américo Vespucio, 49, 41092 Sevilla, Spain
| | - José M. Sansano
- Departamento de Química Orgánica, Instituto de Síntesis Orgánica (ISO) and Centro de Innovación en Química Avanzada (ORFEO-CINQA), University of Alicante, 03080 Alicante, Spain
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Abstract
Indole is the most frequently found heterocyclic core structures in pharmaceuticals, natural products, agrochemicals, dyes and fragrances. For about 150 years, chemists were absorbed in finding new and easier synthetic strategies to build this nucleus. Many books and reviews have been written, but the number of new syntheses that appear in the literature, make necessary continuous updates. This reviews aims to give a comprehensive overview on indole synthesis catalyzed by transition metals appeared in the literature in the years 2016 and 2017.
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Carrasco CJ, Montilla F, Álvarez E, Galindo A. Synthesis of α,β-Dicarbonylhydrazones by Aerobic Manganese-Catalysed Oxidation. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Carlos J. Carrasco
- Departamento de Química Inorgánica, Facultad de Química; Universidad de Sevilla; Aptdo 1203 41071 Sevilla Spain
| | - Francisco Montilla
- Departamento de Química Inorgánica, Facultad de Química; Universidad de Sevilla; Aptdo 1203 41071 Sevilla Spain
| | - Eleuterio Álvarez
- Instituto de Investigaciones Químicas; CSIC-Universidad de Sevilla; Avda. Américo Vespucio 49 41092 Sevilla Spain
| | - Agustín Galindo
- Departamento de Química Inorgánica, Facultad de Química; Universidad de Sevilla; Aptdo 1203 41071 Sevilla Spain
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6
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Affiliation(s)
- So Won Youn
- Center for New Directions in Organic Synthesis, Department of Chemistry and Institute for Natural Sciences; Hanyang University; Seoul 04763 Korea
| | - Tae Yun Ko
- Center for New Directions in Organic Synthesis, Department of Chemistry and Institute for Natural Sciences; Hanyang University; Seoul 04763 Korea
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7
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Loya DR, Jean A, Cormier M, Fressigné C, Nejrotti S, Blanchet J, Maddaluno J, De Paolis M. Domino Ring Expansion: Regioselective Access to 9-Membered Lactones with a Fused Indole Unit from 2-Nitrophenyl-1,3-cyclohexanediones. Chemistry 2018; 24:2080-2084. [PMID: 29286174 DOI: 10.1002/chem.201705645] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Indexed: 11/10/2022]
Abstract
The domino anionic fragmentation of 2-nitrophenyl-1,3-cyclohexanediones containing an electrophilic appendage such as aldehyde and epoxide is disclosed. This reaction, initiated by a series of nucleophiles, involves the generation of an intermediate hydroxylate followed by the regioselective formation and fragmentation of an intermediate lactolate into enolate. This strategy, devoid of any protecting group, enlarges the initial ring and provides an original access to decorated 9-membered lactones with a fused indole unit.
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Affiliation(s)
- David Reyes Loya
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Alexandre Jean
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Morgan Cormier
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Catherine Fressigné
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Stefano Nejrotti
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Jérôme Blanchet
- LCMT, ENSICAEN et, Université de Caen, CNRS, 6 bd du Maréchal Juin, 14050, Caen, France
| | - Jacques Maddaluno
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
| | - Michaël De Paolis
- Normandie Université, UNIROUEN, INSA de Rouen, CNRS, Laboratoire COBRA (UMR 6014 & FR 3038), 76000, Rouen, France
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8
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Maurya RK, Patel OPS, Anand D, Yadav PP. Substrate selective synthesis of indole, tetrahydroquinoline and quinoline derivatives via intramolecular addition of hydrazones and imines. Org Chem Front 2018. [DOI: 10.1039/c7qo01115f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A transition-metal-free, substrate selective synthesis of 2,3-diaryl indoles, 4-hydrazono-tetrahydroquinolines and substituted quinolines has been developed.
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Affiliation(s)
- Rahul K. Maurya
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow
- India
| | - Om P. S. Patel
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow
- India
| | - Devireddy Anand
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow
- India
| | - Prem P. Yadav
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow
- India
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