1
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Ben Salah S, Othman M, Sanselme M, Daïch A, Chataigner I, Lawson AM. Dichotomic Dearomatizations of Benzene vs Pyridine Rings of Sulfonyloxypyridine via (3 + 2) Cycloaddition. J Org Chem 2023; 88:12265-12275. [PMID: 37560980 DOI: 10.1021/acs.joc.3c00901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
Electron-poor arenesulfonyloxypyridines are selectively dearomatized whether on the pyridine or on the phenyl group through 1,3-dipolar cycloaddition (1,3-DC) involving non-stabilized azomethine ylides (AMY). Electronic effects of substituents on the aromatic rings allow to induce the regioselectivity of the transformation. Novel pyrrolidinic polycyclic heterocycles are thereby produced under mild acidic conditions at room temperature.
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Affiliation(s)
- Sami Ben Salah
- Normandie Univ; UNILEHAVRE, URCOM, EA 3221, 25 rue Philipe Lebon, F-76600 Le Havre Cedex, France
| | - Mohamed Othman
- Normandie Univ; UNILEHAVRE, URCOM, EA 3221, 25 rue Philipe Lebon, F-76600 Le Havre Cedex, France
| | - Morgane Sanselme
- UNIROUEN, Laboratoire SMS UR3233, Normandie Univ; Place Emile Blondel, France; F-76821 Mont Saint Aignan, France
| | - Adam Daïch
- Normandie Univ; UNILEHAVRE, URCOM, EA 3221, 25 rue Philipe Lebon, F-76600 Le Havre Cedex, France
| | - Isabelle Chataigner
- UNIROUEN, CNRS, INSA Rouen, COBRA laboratory, Normandie Univ; F-76000 Rouen, France
- CNRS, Sorbonne Université, LCT UMR 7616, F-75005 Paris, France
| | - Ata Martin Lawson
- Normandie Univ; UNILEHAVRE, URCOM, EA 3221, 25 rue Philipe Lebon, F-76600 Le Havre Cedex, France
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2
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He XL, Wen YW, Li H, Qian S, He M, Song Q, Wang Z. Diastereoselective Synthesis of Dihydrobenzofuran-Fused Spiroindolizidines via Double-Dearomative [3 + 2] Cycloadditions. J Org Chem 2023; 88:493-503. [PMID: 36550408 DOI: 10.1021/acs.joc.2c02495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Spiroindolizidine oxindoles represent a kind of privileged scaffold in many biologically active natural alkaloids. 2,3-Dihydrobenzofuran derivatives exhibit significant bioactivities in a variety of pharmaceuticals. Herein, we assembled these two privileged fragments into a small molecule via double-dearomative [3 + 2] cycloadditions with pyridinium ylides and 2-nitrobenzofurans. This protocol features remarkable advantages including wide substrate scope, mild condition, high level of diastereoselectivities and yields. Thus, a collection of spiroindolizidine-fused dihydrobenzofurans/indolines were facilely produced efficiently.
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Affiliation(s)
- Xiao-Long He
- School of Food and Bioengineering, Xihua University, Chengdu 610039, P. R. China.,Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Research and Application of Small Organic Chiral Molecules Key Laboratory of Yibin City, Department of Chemistry, Xihua University, Yibin 644004, China
| | - You-Wu Wen
- School of Food and Bioengineering, Xihua University, Chengdu 610039, P. R. China
| | - Hechen Li
- School of Food and Bioengineering, Xihua University, Chengdu 610039, P. R. China
| | - Shan Qian
- School of Food and Bioengineering, Xihua University, Chengdu 610039, P. R. China.,Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Research and Application of Small Organic Chiral Molecules Key Laboratory of Yibin City, Department of Chemistry, Xihua University, Yibin 644004, China
| | - Mengyang He
- School of Pharmacy, Chengdu Medical College, Chengdu 610500, China
| | - Qiao Song
- School of Science, Xihua University, Chengdu 610039, P. R. China
| | - Zhouyu Wang
- School of Science, Xihua University, Chengdu 610039, P. R. China.,Asymmetric Synthesis and Chiral Technology Key Laboratory of Sichuan Province, Research and Application of Small Organic Chiral Molecules Key Laboratory of Yibin City, Department of Chemistry, Xihua University, Yibin 644004, China
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3
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Huang J, Wang W, Zhang L, Meng X. Recent advances in the synthesis of benzo[b]thiophene fused polycyclic derivatives: strategies and reactions. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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4
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Wang KK, Li YL, Wang MY, Jing J, Wang ZY, Chen R. [3 + 2] cycloaddition of nonstabilized azomethine ylides and 2-benzothiazolamines to access imidazolidine derivatives. RSC Adv 2022; 12:28295-28298. [PMID: 36320509 PMCID: PMC9531537 DOI: 10.1039/d2ra04616d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 09/08/2022] [Indexed: 12/05/2022] Open
Abstract
A simple and practical method for the construction of 1,3,5-trisubstituted imidazolidine derivatives via [3 + 2] cycloaddition reaction has been developed. This reaction could smoothly proceed between nonstabilized azomethine ylides generated in situ and 2-benzothiazolamines to deliver a wide scope of differently substituted imidazolidines in high yields (up to 98%). The structure of one example was confirmed by X-ray single-crystal structure analysis.
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Affiliation(s)
- Kai-Kai Wang
- School of Pharmacy, Xinxiang UniversityXinxiang 453000P. R. China+86 373-3683138,Key Laboratory of Nano-carbon Modified Film Technology Engineering of Henan ProvinceXinxiang 453000P. R. China
| | - Yan-Li Li
- Medical College, Xinxiang UniversityXinxiang 453000P. R. China
| | - Ming-Yue Wang
- School of Pharmacy, Xinxiang UniversityXinxiang 453000P. R. China+86 373-3683138
| | - Jun Jing
- School of Pharmacy, Xinxiang UniversityXinxiang 453000P. R. China+86 373-3683138
| | - Zhan-Yong Wang
- School of Pharmacy, Xinxiang UniversityXinxiang 453000P. R. China+86 373-3683138
| | - Rongxiang Chen
- School of Pharmacy, Xinxiang UniversityXinxiang 453000P. R. China+86 373-3683138
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5
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Starosotnikov AM, Bastrakov MA. Heterocycles
via
Dearomatization Reactions. HETEROCYCLES 2022. [DOI: 10.1002/9783527832002.ch2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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6
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Krishnan R A, Babu SA, Ravi NP, Thulasi S, John J. Base-Mediated Annulation of Electrophilic Benzothiophene with Naphthols and Phenols: Accessing Benzothiophene-Fused Heteroacenes. J Org Chem 2022; 87:8017-8027. [PMID: 35666573 DOI: 10.1021/acs.joc.2c00645] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A base-mediated annulation of 2-nitrobenzothiophenes with naphthols was realized for the synthesis of hitherto unknown class of heteroacenes, namely benzothieno[2,3-b]naphthofurans. By using naphthols with a hydroxyl group positioned at 1st or 2nd position, we could synthesize two positional isomers, benzothieno[2,3-b]naphtho[2,1-d]furans or benzothieno[2,3-b]naphtho[2,3-d]furans. The annulation was found to be general with a range of substituted 2-nitrobenzothiophenes and naphthols. This heteroannulation of benzothiophene was extended using a range of phenols affording the corresponding benzothieno[2,3-b]benzofurans in moderate yields. The basic photophysical properties of these heteroacenes were evaluated, and we also demonstrated the applicability of this annulation on the gram scale.
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Affiliation(s)
- Akhil Krishnan R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
| | - 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
| | - Nitha P Ravi
- 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
| | - Sreeja Thulasi
- Department of Chemistry, T. K. Madhava Memorial College, Nangiarkulangara, Haripad 690513, 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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7
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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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8
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Osipov DV, Korzhenko KS, Rashchepkina DA, Artemenko AA, Demidov OP, Shiryaev VA, Osyanin VA. Catalyst-free formal [3 + 2] cycloaddition of stabilized N, N-cyclic azomethine imines to 3-nitrobenzofurans and 3-nitro-4 H-chromenes: access to heteroannulated pyrazolo[1,2- a]pyrazoles. Org Biomol Chem 2021; 19:10156-10168. [PMID: 34778893 DOI: 10.1039/d1ob01377g] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
We have studied the [3 + 2]-cycloaddition of various N,N-cyclic azomethine imines to 3-nitrobenzofurans. This process is a rare example of their dearomatization. We have also extended this process to the related 3-nitro-4H-chromenes as dipolarophiles. Both reactions provide access to benzofuro- and chromeno-condensed pyrazolo[1,2-a]pyrazoles with 100% atom economy in a diastereoselective manner under mild eco-friendly conditions. Finally, on the basis of DFT calculations, the mechanistic insights into the mentioned [3 + 2]-cycloadditions and explanations of the experimentally determined limitations of the method are given. Hirshfeld atomic charge values of push-pull heterocycles were suggested as a criterion for a priori assessment of the possibility of their dipolar cycloaddition with N,N-cyclic azomethine imines.
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Affiliation(s)
- Dmitry V Osipov
- Department of Organic Chemistry, Chemical Technological Faculty, Samara State Technical University, 244 Molodogvardeyskaya St., Samara 443100, Russia.
| | - Kirill S Korzhenko
- Department of Organic Chemistry, Chemical Technological Faculty, Samara State Technical University, 244 Molodogvardeyskaya St., Samara 443100, Russia.
| | - Daria A Rashchepkina
- Department of Organic Chemistry, Chemical Technological Faculty, Samara State Technical University, 244 Molodogvardeyskaya St., Samara 443100, Russia.
| | - Alina A Artemenko
- Department of Organic Chemistry, Chemical Technological Faculty, Samara State Technical University, 244 Molodogvardeyskaya St., Samara 443100, Russia.
| | - Oleg P Demidov
- Department of Chemistry, North Caucasus Federal University, 1 Pushkin St., Stavropol 355009, Russia
| | - Vadim A Shiryaev
- Department of Organic Chemistry, Chemical Technological Faculty, Samara State Technical University, 244 Molodogvardeyskaya St., Samara 443100, Russia.
| | - Vitaly A Osyanin
- Department of Organic Chemistry, Chemical Technological Faculty, Samara State Technical University, 244 Molodogvardeyskaya St., Samara 443100, Russia.
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9
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Singh G, Pandey R, Kurup AS, Anand RV. A Base-Mediated Approach Towards Dihydrofuro[2,3-b]Benzofurans from 2-Nitrobenzofurans and 1,3-Dicarbonyls. Chem Asian J 2021; 16:1271-1279. [PMID: 33788982 DOI: 10.1002/asia.202100184] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/26/2021] [Indexed: 11/08/2022]
Abstract
A straight-forward approach for the synthesis of a dihydrofuro[2,3-b]benzofuran derivatives has been achieved through a base-mediated Michael addition of 1,3-dicarbonyls to 2-nitrobenzofurans followed by intramolecular cyclization. A variety of 1,3-dicarbonyls, including cyclic as well as trifluoromethylated ones, have been subjected to react with 2-nitrobenzofurans under optimal conditions, and the respective dihydrofuro[2,3-b]benzofurans could be accessed in moderate to excellent yields.
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Affiliation(s)
- Gurdeep Singh
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, S. A. S. Nagar, Manauli (PO), Punjab, 140306, India
| | - Rajat Pandey
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, S. A. S. Nagar, Manauli (PO), Punjab, 140306, India
| | - Adarsh S Kurup
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, S. A. S. Nagar, Manauli (PO), Punjab, 140306, India
| | - Ramasamy Vijaya Anand
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Sector 81, S. A. S. Nagar, Manauli (PO), Punjab, 140306, India
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10
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Krishnan R A, Babu SA, P R N, Krishnan J, John J. Synthesis of Benzothienobenzofurans via Annulation of Electrophilic Benzothiophenes with Phenols. Org Lett 2021; 23:1814-1819. [PMID: 33591196 DOI: 10.1021/acs.orglett.1c00219] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We have developed a metal-free, mild, and green synthetic route toward benzothieno[3,2-b]benzofurans by the annulation of 3-nitrobenzothiophene with phenols. The reaction was found to be general with a range of substituted phenols. In addition, we could extend the methodology for the synthesis of pentacenes and could demonstrate the synthesis in gram-scale. Moreover, we extended the strategy for the synthesis of benzothieno[2,3-b]benzofurans by starting from 2-nitrobenzothiophenes.
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Affiliation(s)
- Akhil Krishnan R
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, India
| | - 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
| | - Nitha P R
- 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
| | - Jagadeesh Krishnan
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695019, 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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11
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John SE, Gulati S, Shankaraiah N. Recent advances in multi-component reactions and their mechanistic insights: a triennium review. Org Chem Front 2021. [DOI: 10.1039/d0qo01480j] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This review summarizes the recent developments in MCRs, incorporating different strategies along with their mechanistic aspects.
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Affiliation(s)
- Stephy Elza John
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad – 500 037
- India
| | - Shivani Gulati
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad – 500 037
- India
| | - Nagula Shankaraiah
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research (NIPER)
- Hyderabad – 500 037
- India
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12
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Wang KK, Li YL, Lv YJ, Shen RH, Zhao W, Chen R. 1,3-Dipolar cycloaddition reactions of azomethine ylides with seven-membered cyclic N-sulfony imines access to polycyclic sulfonamides. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131766] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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