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Brahmachari G. Practice of green chemistry strategies in synthetic organic chemistry: a glimpse of our sincere efforts in green chemistry research. Chem Commun (Camb) 2024; 60:8153-8169. [PMID: 38978452 DOI: 10.1039/d4cc02249a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
This feature article summarises our recent contributions (2019-2023) in designing and developing a handful of promising organic transformations for accessing several diversely functionalised biologically relevant organic scaffolds, following the green chemistry principles, particularly focusing on the application of low-energy visible light, electrochemistry, ball-milling, ultrasound, and catalyst- and additive-free synthetic strategies.
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Affiliation(s)
- Goutam Brahmachari
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan-731 235, West Bengal, India.
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Nazeri MT, Nasiriani T, Torabi S, Shaabani A. Isocyanide-based multicomponent reactions for the synthesis of benzopyran derivatives with biological scaffolds. Org Biomol Chem 2024; 22:1102-1134. [PMID: 38251960 DOI: 10.1039/d3ob01671d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Benzopyrans (BZPs) are among the most privileged and influential small O-heterocycles that form the core of many natural compounds, commercial drugs, biological compositions, agrochemicals, and functional materials. BZPs are divided into six general categories including coumarins, chromans, 2H-chromenes, 4H-chromenes, chromones, and 4-chromanones, each of which is abundant in many plants and foods. These oxygenated heterocyclic compounds are fascinating motifs and have extensive applications in biology and materials science. Hence, numerous efforts have been made to develop innovative approaches for their extraction and synthesis. However, most of them are step-by-step or multi-step strategies that suffer from waste material generation and a tedious extraction process. Isocyanide-based multicomponent reactions (I-MCRs) offer a highly efficient method for overcoming these problems. The I-MCR is a simple and environmentally friendly one-pot domino procedure that does not require intermediate isolation or workup and is generally more efficient in material usage. This review covers all research articles related to I-MCRs for synthesizing BZP derivatives from the beginning to the middle of the year 2023. This strategy will be useful for organic and pharmaceutical chemists to design new drugs and optimize the synthesis steps of biological compounds and commercial drugs with benzopyran cores.
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Affiliation(s)
- Mohammad Taghi Nazeri
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
| | - Tahereh Nasiriani
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
| | - Saeed Torabi
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
| | - Ahmad Shaabani
- Faculty of Chemistry, Shahid Beheshti University, G. C., P. O. Box 19396-4716, Tehran, Iran.
- Peoples' Friendship University of Russia (RUDN University), 6, Miklukho-Maklaya Street, Moscow, 117198, Russian Federation
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Sedighimehr I, Karami B, Farahi M, Keshavarz M. Synthesis of novel pyrano[2,3-f]chromene-dione derivatives using phosphoric acid-functionalized silica-coated Fe 3O 4 nanoparticles as a new reusable solid acid nanocatalyst. Mol Divers 2022; 26:3325-3336. [PMID: 35915390 DOI: 10.1007/s11030-022-10393-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Accepted: 01/21/2022] [Indexed: 11/29/2022]
Abstract
In this research, the synthesis of novel indeno[1,2-b]pyrano[2,3-f]chromene-2,12(13H)-dione derivatives in the presence of a newly introduced magnetically recoverable nanosolid acid catalyst is reported. At the first, phosphoric acid-functionalized silica-coated Fe3O4 nanoparticles (Fe3O4@SiO2-(CH2)3OPO3H2) were prepared and well characterized using infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), vibrating sample magnetometer (VSM), and energy-dispersive X-ray spectroscopy (EDS) techniques. Then, the catalytic activity of the prepared Fe3O4@ SiO2-(CH2)3OPO3H2 nanocatalyst was investigated for the synthesis of novel indeno[1,2-b]pyrano[2,3-f]chromene-2,12(13H)-dione derivatives via a one-pot and three-component condensation between 5,7-dihydroxy-4-methylcoumarin, indane-1, 3-dione, and various aromatic aldehydes under solvent-free condition. All the products are unknown, and their characterization was performed with the spectral data information obtained from their FT-IR, 1H and 13CNMR, elemental analysis, and their melting points. The reusability study of the introduced nanosolid acid catalyst showed that the catalytic stability is almost completely remained up to five consecutive runs.
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Affiliation(s)
- Iman Sedighimehr
- Department of Chemistry, Yasouj University, P. O. Box 353, 75918-74831, Yasouj, Iran
| | - Bahador Karami
- Department of Chemistry, Yasouj University, P. O. Box 353, 75918-74831, Yasouj, Iran.
| | - Mahnaz Farahi
- Department of Chemistry, Yasouj University, P. O. Box 353, 75918-74831, Yasouj, Iran
| | - Mosadegh Keshavarz
- Department of Applied Chemistry, Faculty of Gas and Petroleum, Yasouj University, Gachsaran, Iran
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Lin H, Gu J, Luo S, Gu Q, Cao X, Ge Y, Wang C, Yuan C, Wang H. DBU‐Catalyzed [3+2] Cycloaddition of Benzoaurones with 3‐Homoacyl Coumarins: Synthesis of Spiro[Benzofuranone‐Cyclopentane] Compounds. ChemistrySelect 2022. [DOI: 10.1002/slct.202201599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Huawei Lin
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
| | - Jing Gu
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
| | - Shan Luo
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
| | - Qilong Gu
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
| | - Xiaoqun Cao
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
| | - Yanqing Ge
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
| | - Chang Wang
- School of Pharmaceutical Sciences Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
- Medical Science and Technology Innovation Center Shandong First Medical University & Shandong Academy of Medical Sciences Jinan 250117 Shandong P. R. China
| | - Chunhao Yuan
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
| | - Hai Wang
- School of Chemistry and Pharmaceutical Engineering Shandong First Medical University & Shandong Academy of Medical Sciences Taian 271016 Shandong P. R. China
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5
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Synthesis, structure investigation, DFT analysis, optical, and photoelectrical properties of 9-bromo-3-hydroxychromeno[4,3-b]pyrazolo[4,3-e]pyridin-5(1H)-one (BHCPP). RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100572] [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] Open
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6
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A. Ibrahim M, Badran AS. Novel Heteroannulated Chromeno[2,3-b]pyridines and Related Compounds Using 6-Methylchromone-3-carbonitrile. HETEROCYCLES 2022. [DOI: 10.3987/com-21-14607] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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7
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Zhang D, Luo N, Gan J, Wan X, Wang C. Piperidine-Mediated [3 + 3] Cyclization of 2-Amino-4 H-chromen-4-ones and 2-Benzylidenemalononitriles: To Access 2-Aminochromeno[2,3- b]pyridine Derivatives. J Org Chem 2021; 86:9218-9224. [PMID: 34161098 DOI: 10.1021/acs.joc.1c00797] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Piperidine-mediated [3 + 3] cyclization of 2-amino-4H-chromen-4-ones and substituted 2-benzylidenemalononitriles was developed for the synthesis of 2-amino-4-aryl-5H-chromeno[2,3-b]pyridin-5-one derivatives. This novel transformation provides a highly efficient and facile route to functionalized 5H-chromeno[2,3-b]pyridines from readily available substrates under mild reaction conditions.
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Affiliation(s)
- Dan Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University,180 Siwangting Street, Yangzhou 225002, P. R. China
| | - Naili Luo
- School of Chemistry and Chemical Engineering, Yangzhou University,180 Siwangting Street, Yangzhou 225002, P. R. China
| | - Jianbo Gan
- School of Chemistry and Chemical Engineering, Yangzhou University,180 Siwangting Street, Yangzhou 225002, P. R. China
| | - Xinyi Wan
- School of Chemistry and Chemical Engineering, Yangzhou University,180 Siwangting Street, Yangzhou 225002, P. R. China
| | - Cunde Wang
- School of Chemistry and Chemical Engineering, Yangzhou University,180 Siwangting Street, Yangzhou 225002, P. R. China
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Warghude PK, Sabale AS, Dixit R, Vanka K, Bhat RG. An easy and practical approach to access multifunctional cylcopentadiene- and cyclopentene-spirooxindoles via [3 + 2] annulation. Org Biomol Chem 2021; 19:4338-4345. [PMID: 33908568 DOI: 10.1039/d1ob00514f] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A highly regioselective [3 + 2] annulation of Morita-Baylis-Hillman (MBH) carbonates of isatin with aurone/thioaurone is developed. Spiroheterocycles such as spirooxindole cyclopentadiene and spirooxindole fused hydroxy cyclopentene derivatives are constructed in one pot by exploring the reactivity of Lewis bases. Combined experimental and density functional theory (DFT) calculations offered an insight into the reaction mechanism.
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Affiliation(s)
- Prakash K Warghude
- Department of Chemistry, Indian Institute of Science Education and Research (IISER)-Pune, Dr Homi Bhabha Road, Pashan, Pune, 411008, Maharashtra, India.
| | - Abhijeet S Sabale
- Department of Chemistry, Indian Institute of Science Education and Research (IISER)-Pune, Dr Homi Bhabha Road, Pashan, Pune, 411008, Maharashtra, India.
| | - Ruchi Dixit
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune-411008, India and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad - 201002, India
| | - Kumar Vanka
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr Homi Bhabha Road, Pune-411008, India and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad - 201002, India
| | - Ramakrishna G Bhat
- Department of Chemistry, Indian Institute of Science Education and Research (IISER)-Pune, Dr Homi Bhabha Road, Pashan, Pune, 411008, Maharashtra, India.
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9
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Tong P, Sun Z, Wang S, Zhang Y, Li Y. Zn(OTf) 2-Catalyzed Formal [3 + 3] Cascade Annulation of Propargylic Alcohols with 2-Aminochromones: Accessing the Chromeno[2,3- b]pyridines. J Org Chem 2019; 84:13967-13974. [PMID: 31552742 DOI: 10.1021/acs.joc.9b02120] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A Zn(OTf)2-catalyzed formal [3 + 3] cascade annulation strategy for the synthesis of functionalized chromeno[2,3-b]pyridines has been developed using propargylic alcohols and 2-aminochromones as the substrates. The protocol provides a convenient and atom-economical method of accessing a broad range of chromeno[2,3-b]pyridine derivatives in excellent yields with good functional-group tolerance. The method is also effective on the gram scale, which highlights the inherent practicality of this synthetic transformation.
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Affiliation(s)
- Pei Tong
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , People's Republic of China
| | - Zhou Sun
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , People's Republic of China.,Institute for Advanced Interdisciplinary Research , Qilu University of Technology , Daxue Road No. 3501 , Jinan , Shandong 250353 , People's Republic of China
| | - Shutao Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , People's Republic of China
| | - Yuan Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , People's Republic of China
| | - Ying Li
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , People's Republic of China
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10
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Ibrahim MA, El‐Kazak AM. Ring Opening and Recyclization Reactions with Chromone‐3‐carbonitrile. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3495] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Magdy A. Ibrahim
- Department of Chemistry, Faculty of EducationAin Shams University Roxy 11711 Cairo Egypt
| | - Azza M. El‐Kazak
- Department of Chemistry, Faculty of EducationAin Shams University Roxy 11711 Cairo Egypt
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11
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Ibrahim MA, Badran A, Hashiem SH. Heteroannulated Coumarins and Chromones from Chemical Transformations of 6,8‐Dimethylchromone‐3‐carbonitrile. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3354] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Magdy A. Ibrahim
- Department of Chemistry, Faculty of EducationAin Shams University Roxy 11711 Cairo Egypt
| | - Al‐Shimaa Badran
- Department of Chemistry, Faculty of EducationAin Shams University Roxy 11711 Cairo Egypt
| | - Salsabeel H. Hashiem
- Department of Chemistry, Faculty of EducationAin Shams University Roxy 11711 Cairo Egypt
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12
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Liu W, Yang H, Sun B, Zhang FL, Liu D, Zheng H. Synthesis of dihydrobenzoxazine pyrrolidone spirocyclic compounds. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.08.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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13
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14
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Eskandari K, Karami B, Pourshojaei Y, Asadipour A. An eco-compatible, three-component synthesis of acyl-substituted bis(pyrazolyl)methanes by employing recyclable silica sodium carbonate as an efficient and environmentally benign catalyst in aqueous medium. MONATSHEFTE FUR CHEMIE 2017. [DOI: 10.1007/s00706-017-2106-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Dhokale RA, Mhaske SB. Diversity-Oriented Synthesis of Spiroannulated Benzofuran-3-one Scaffold of Leptosphaerin C and Congeners via Aryne Insertion. J Org Chem 2017; 82:4875-4882. [PMID: 28398053 DOI: 10.1021/acs.joc.7b00606] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A concise synthesis of functionalized cyclohexenone-fused spirobenzofuran-3-ones under mild reaction conditions was developed. The reaction proceeds via insertion of aryne into the C-O bond followed by a regioselective intramolecular conjugate addition. The use of silyl-protected acid was crucial for the transformation. This protocol was successfully applied for the synthesis of leptosphaerin C core and its novel analogues.
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Affiliation(s)
- Ranjeet A Dhokale
- Division of Organic Chemistry, CSIR-National Chemical Laboratory , Pune 411 008, India
| | - Santosh B Mhaske
- Division of Organic Chemistry, CSIR-National Chemical Laboratory , Pune 411 008, India
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16
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Singh JB, Mishra K, Gupta T, M.Singh R. TBHP Promoted Cross-Dehydrogenative coupling (CDC) Reaction: Metal/Additive-Free Synthesis of Chromone-Fused Quinolines. ChemistrySelect 2017. [DOI: 10.1002/slct.201601527] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Jay B. Singh
- Department of Chemistry, Centre of Advanced Study, Institute of Science; Banaras Hindu University; Varanasi India
| | - Kalpana Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science; Banaras Hindu University; Varanasi India
| | - Tanu Gupta
- Department of Chemistry, Centre of Advanced Study, Institute of Science; Banaras Hindu University; Varanasi India
| | - Radhey M.Singh
- Department of Chemistry, Centre of Advanced Study, Institute of Science; Banaras Hindu University; Varanasi India
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Drosos NM, Kakoulidou C, Raftopoulou M, Stephanidou-Stephanatou J, Tsoleridis CA, Hatzidimitriou AG. One-pot synthesis of novel fused pentacyclic chromenopyrimidobenzimidazolones and benzimidazolyl-chromenyl-substituted thiazolidinones. Tetrahedron 2017. [DOI: 10.1016/j.tet.2016.11.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Wang HY, Bao M, Jiang B, Li L. Base-mediated isocyanide-based three-component reactions: divergent synthesis of spiro-substituted furans and pyrroles. RSC Adv 2016. [DOI: 10.1039/c5ra25408f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
A facile base-mediated isocyanide-based three-component cycloaddition protocol for the chemoselective preparation of functionalized spiro-substituted furans and pyrroles derivatives has been designed.
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Affiliation(s)
- Hai-Ying Wang
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Ming Bao
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Bo Jiang
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
| | - Liang Li
- School of Chemistry and Chemical Engineering
- Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials
- Jiangsu Normal University
- Xuzhou 221116
- P. R. China
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Purohit P, Pandey AK, Kumar B, Chauhan PMS. Diversity oriented synthesis of β-carbolinone and indolo-pyrazinone analogues based on an Ugi four component reaction and subsequent cyclisation of the resulting indole intermediate. RSC Adv 2016. [DOI: 10.1039/c5ra27090a] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
One pot two step synthesis of β-carbolinone and indolo-pyrazinone analogues via acid mediated cyclisation of Ugi intermediate has been developed with a wide substrate scope.
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Affiliation(s)
- Pooja Purohit
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Anand Kumar Pandey
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Brijesh Kumar
- Sophisticated Analytical Instrument Facility
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Prem M. S. Chauhan
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
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Ibrahim MA, El-Gohary NM. Chemical Transformations of Chromone-3-carbonitrile with Cyclohexanediones: Synthesis of Bis[1]chromenophenanthrolines. J Heterocycl Chem 2015. [DOI: 10.1002/jhet.2368] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Magdy A. Ibrahim
- Department of Chemistry, Faculty of Education; Ain Shams University; Roxy 11711 Cairo Egypt
| | - Nasser M. El-Gohary
- Department of Chemistry, Faculty of Education; Ain Shams University; Roxy 11711 Cairo Egypt
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21
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Keshipour S, Shaabani A, Shojaei S, Nosrati H, Ng SW. A novel one-pot isocyanide-based three-component reaction: synthesis of highly functionalized imidazo-chromen-4-ones. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2015. [DOI: 10.1007/s13738-015-0640-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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22
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Kruithof A, Ruijter E, Orru RVA. Synthesis of Heterocycles by Formal Cycloadditions of Isocyanides. Chem Asian J 2014; 10:508-20. [DOI: 10.1002/asia.201403207] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Indexed: 12/12/2022]
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23
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Dimitriadou E, Stephanidou-Stephanatou J, Tsoleridis CA, Hadjipavlou-Litina DJ, Kontogiorgis C, Kostakis GE. Diastereoselective one-pot synthesis of novel ABCD-fused chromeno[2,3-d]pyrazolo[3,4-b]pyridines. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.03.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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24
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Kiruthika SE, Perumal PT. One-pot four-component approach for the construction of dihydropyridines and dihydropyridinones using amines and activated alkynes. RSC Adv 2014. [DOI: 10.1039/c3ra45850d] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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25
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Karami B, Eskandari K, Khodabakhshi S. An efficient synthesis of new khellactone-type compounds using potassium hydroxide as catalyst via one-pot, three-component reaction. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2013. [DOI: 10.1007/s13738-013-0333-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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26
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Ibrahim MA. Studies on the chemical reactivity of 1H-benzimidazol-2-ylacetonitrile towards some 3-substituted chromones: synthesis of some novel pyrido[1,2-a]benzimidazoles. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.06.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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27
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Kusakabe T, Takahashi T, Shen R, Ikeda A, Dhage YD, Kanno Y, Inouye Y, Sasai H, Mochida T, Kato K. Carbonylation of Propargyl Carbamates with Palladium(II) Bisoxazoline Catalysts: Efficient Synthesis of 5-Methoxy-3(2H)-furanones. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303684] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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28
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Kusakabe T, Takahashi T, Shen R, Ikeda A, Dhage YD, Kanno Y, Inouye Y, Sasai H, Mochida T, Kato K. Carbonylation of Propargyl Carbamates with Palladium(II) Bisoxazoline Catalysts: Efficient Synthesis of 5-Methoxy-3(2H)-furanones. Angew Chem Int Ed Engl 2013; 52:7845-9. [DOI: 10.1002/anie.201303684] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Revised: 05/26/2013] [Indexed: 02/05/2023]
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Zarganes-Tzitzikas T, Neochoritis CG, Stephanidou-Stephanatou J, Tsoleridis CA, Buth G, Kostakis GE. Azodicarboxylates: valuable reagents for the multicomponent synthesis of novel 1,3,4-thiadiazoles and imidazo[2,1-b][1,3,4]thiadiazoles. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.03.096] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Ghandi M, Ghomi AT, Kubicki M. Synthesis of cyclopentadiene-fused chromanones via one-pot multicomponent reactions. J Org Chem 2013; 78:2611-6. [PMID: 23387378 DOI: 10.1021/jo302790y] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
We have developed one-pot method for the synthesis of functionalized novel cyclopentadiene-fused chromanone scaffolds. A variety of 4-oxo-2,4-dihydrocyclopenta[c]chromene-1,2-dicarboxylates were obtained in moderate to good yields via condensation of 2-hydroxybenzaldehydes and ethyl acetoacetate with 1:1 acetylenecarboxylate-isocyanides in toluene. These reactions presumably proceed via reaction of the in situ generated 3-acetyl-2H-chromen-2-ones with acetylenecarboxylate-isocyanide zwitterionic intermediates through Michael addition/intramolecular cyclization and double [1,5] acyl shift rearrangement cascade.
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Affiliation(s)
- Mehdi Ghandi
- School of Chemistry, College of Science, University of Tehran, P.O. Box 14155, Tehran 6455, Iran.
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Kornev MY, Moshkin VS, El’tsov OS, Sosnovskikh VY. Reaction of 3-cyanochromones with pyridinium phenacylide. Chem Heterocycl Compd (N Y) 2013. [DOI: 10.1007/s10593-013-1175-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Terzidis MA, Zarganes-Tzitzikas T, Tsimenidis C, Stephanidou-Stephanatou J, Tsoleridis CA, Kostakis GE. One-pot five-component synthesis of spirocyclopenta[b]chromene derivatives and their acid-catalyzed rearrangement. J Org Chem 2012; 77:9018-28. [PMID: 22978377 DOI: 10.1021/jo3014947] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The reaction of the zwitterionic intermediate, generated in situ from either tert-butylisocyanide or cyclohexylisocyanide and acetylenedicarboxylates, with 3-cyanochromones is described, whereupon spirochromenofuran derivatives 5 or 6 were obtained in good yields. The subsequent acid-catalyzed rearrangement of the isolated 2-imino-spirochromenofurans 5 to 2-amino-spirochromenofurans 7 has also been studied. Rational mechanistic schemes for the formation of compounds 5, 6, and 7 are proposed. The structure elucidation of the products was accomplished by 1D and 2D NMR experiments and confirmed by X-ray crystallographic analysis. Full assignment of all (1)H and (13)C NMR chemical shifts has been unambiguously achieved with the aid of DFT/GIAO calculations.
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Affiliation(s)
- Michael A Terzidis
- Department of Chemistry, Laboratory of Organic Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Macedonia, Greece
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An efficient strategy for functionalized spirolactones and dispirodihydrofuranyl oxindoles using amines and activated alkynes. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.04.047] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Sosnovskikh VY, Moshkin VS. Novel data for the reaction of 3-cyano-(thio)chromones with N-nucleophiles. Chem Heterocycl Compd (N Y) 2012. [DOI: 10.1007/s10593-012-0977-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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