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Powderly M, Roseau M, Frison G, Hammami R, Chausset-Boissarie L, Harrowven D, Legros J, Chataigner I. Controlling Diastereoselectivity in Dearomatizing Diels-Alder Reactions of Nitroarenes with 2-Trimethylsilyloxycyclohexadiene. Chemistry 2024; 30:e202303697. [PMID: 38619531 DOI: 10.1002/chem.202303697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 03/29/2024] [Accepted: 04/15/2024] [Indexed: 04/16/2024]
Abstract
Dearomative Diels-Alder cycloadditions between nitroarenes and 2-trimethylsilyloxycyclohexadiene are carried out under high pressure at room temperature in the absence of any chemical promoter. Reactions are performed with different arenes, including the highly aromatic naphthalenes and quinolines. They lead to 3D-scaffolds with exquisite exo-diastereoselectivity. The exo approach is characterized by lower distortion of the substrates in a late TS and by more favorable orbital interactions presumably between the nitro group and the dienic part, explaining the stereoselectivity.
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Affiliation(s)
- Marian Powderly
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3 M FR 3038, 76000, Rouen, France
- Chemistry, University of Southampton, Highfield, Southampton, UK
| | - Mélanie Roseau
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3 M FR 3038, 76000, Rouen, France
| | - Gilles Frison
- Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, LCT, F-75005, Paris, France
| | - Rayhane Hammami
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3 M FR 3038, 76000, Rouen, France
| | - Laetitia Chausset-Boissarie
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3 M FR 3038, 76000, Rouen, France
| | - David Harrowven
- Chemistry, University of Southampton, Highfield, Southampton, UK
| | - Julien Legros
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3 M FR 3038, 76000, Rouen, France
| | - Isabelle Chataigner
- Univ Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, COBRA UMR 6014, INC3 M FR 3038, 76000, Rouen, France
- Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, LCT, F-75005, Paris, France
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Munawar S, Zahoor AF, Mansha A, Bokhari TH, Irfan A. Update on novel synthetic approaches towards the construction of carbazole nuclei: a review. RSC Adv 2024; 14:2929-2946. [PMID: 38239436 PMCID: PMC10794906 DOI: 10.1039/d3ra07270c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/10/2024] [Indexed: 01/22/2024] Open
Abstract
The carbazole scaffold is a significant entity in organic compounds due to its variety of biological and synthetic applications. Traditionally, carbazole skeletons have been synthesized either via the Grabe-Ullman method, Clemo-Perkin method or Tauber method. With the passage of time, these methods have been modified and explored to accomplish the synthesis of target compounds. These methods include hydroarylations, C-H activations, annulations and cyclization reactions mediated by a variety of catalysts to construct carbazole-based compounds. This brief review article intends to provide recent updates on important methodological developments reported for the synthesis of carbazole nuclei covering 2019-2023.
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Affiliation(s)
- Saba Munawar
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Ameer Fawad Zahoor
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Asim Mansha
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Tanveer Hussain Bokhari
- Department of Chemistry, Government College University Faisalabad, 38000-Faisalabad Pakistan
| | - Ahmad Irfan
- Department of Chemistry, King Khalid University Abha 61413 P.O. Box 9004 Saudi Arabia
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Babu SA, P V V, Poulose S, Varughese S, John J. Copper-Catalyzed Annulation of Electrophilic Benzannulated Heterocycles with 2-Aminopyridine and 2-Aminoquinoline: Direct Access toward Polyring-Fused Imidazo[1,2- a]pyridines. J Org Chem 2023; 88:10027-10039. [PMID: 37433107 DOI: 10.1021/acs.joc.3c00849] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/13/2023]
Abstract
We have developed a direct method for the synthesis of polyring-fused imidazo[1,2-a]pyridines via a copper-catalyzed annulation of electrophilic benzannulated heterocycles with 2-aminopyridine and 2-aminoquinoline. From 3-nitroindoles and 2-aminopyridine, we could synthesize tetracenes, viz., indole-fused imidazo[1,2-a]pyridines, and by starting from 2-aminoquinoline, we could generate pentacenes, viz., indolo-imidazo[1,2-a]quinolines. In addition, we could also extend the methodology toward the synthesis of benzothieno-imidazo[1,2-a]pyridines starting from 3-nitrobenzothiophene. Furthermore, the basic photophysical properties of these synthesized heteroacenes were evaluated.
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Affiliation(s)
- Sheba Ann Babu
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Varsha P V
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
| | - Susanna Poulose
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sunil Varughese
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Jubi John
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Affiliation(s)
- Ning Wang
- Sichuan University West China Hospital Department of laboratory medicine CHINA
| | - Jing Ren
- Sichuan University West China Hospital Department of Radiology CHINA
| | - Kaizhi Li
- Sichuan University West China Hospital Department of laboratory medicine Biophamaceutical Research Institute, West China Hospital, Sichuan University, Ch 610041 Chengdu CHINA
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Rkein B, Manneveau M, Noël-Duchesneau L, Pasturaud K, Durandetti M, Legros J, Lakhdar S, Chataigner I. How electrophilic are 3-nitroindoles? Mechanistic investigations and application to a reagentless (4+2) cycloaddition. Chem Commun (Camb) 2021; 57:10071-10074. [PMID: 34515263 DOI: 10.1039/d1cc04074j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The electrophilicity of 4 different 3-nitroindole derivatives has been evaluated by Mayr's linear free energy relationship (log k(20 °C) = sN(E + N)) and reveals unexpected values for aromatic compounds, in the nitrostyrene range. 3-Nitroindoles are sufficiently electrophilic to interact with a common diene namely the Danishefsky's diene at room temperature, in the absence of any activator, to furnish smoothly the dearomatized (4+2) cycloadducts in good yields.
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Affiliation(s)
- Batoul Rkein
- Normandie Univ., UNIROUEN, CNRS, INSA Rouen, COBRA, 76000 Rouen, France.
| | - Maxime Manneveau
- Normandie Univ., UNIROUEN, CNRS, INSA Rouen, COBRA, 76000 Rouen, France.
| | | | - Karine Pasturaud
- Normandie Univ., UNIROUEN, CNRS, INSA Rouen, COBRA, 76000 Rouen, France.
| | - Muriel Durandetti
- Normandie Univ., UNIROUEN, CNRS, INSA Rouen, COBRA, 76000 Rouen, France.
| | - Julien Legros
- Normandie Univ., UNIROUEN, CNRS, INSA Rouen, COBRA, 76000 Rouen, France.
| | - Sami Lakhdar
- Normandie Univ., ENSICAEN, Unicaen, CNRS, LCMT, 14000 Caen, France.,Université Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), 118 Route de Narbonne, 31062, Toulouse Cedex 09, France.
| | - Isabelle Chataigner
- Normandie Univ., UNIROUEN, CNRS, INSA Rouen, COBRA, 76000 Rouen, France. .,Sorbonne Université, CNRS, Laboratoire de Chimie Théorique, LCT UMR7616, 75005 Paris, France
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