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Miankooshki FR, Bayat M, Nasri S, Samet NH. 1,3-Dipolar cycloaddition reactions of isatin-derived azomethine ylides for the synthesis of spirooxindole and indole-derived scaffolds: recent developments. Mol Divers 2023; 27:2365-2397. [PMID: 35925529 DOI: 10.1007/s11030-022-10510-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/28/2022] [Indexed: 10/16/2022]
Abstract
The unique therapeutic and biological characteristics of spirooxindole have led to the presentation of numerous reactions for the synthesis of spirooxindoles through 1,3-Dipolar cycloaddition of highly reactive isatin-derived azomethine ylides with activated olefins as the main tool for the formation of spirocyclic oxindoles during the last 4 years. Therefore, there is a need to highlight the recent developments in this area, along with the representative synthetic methods and relevant reaction mechanisms from 2018 to 2021. The representative synthetic methodologies were listed in four sections based on the procedure to form the azomethine ylide species including isatins and amino acids, isatin-derived α-(trifluoromethyl)imine, isatins and benzylamines, and from isatin-derived cyclic imine 1,3-dipoles.
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Affiliation(s)
| | - Mohammad Bayat
- Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran.
| | - Shima Nasri
- Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran
| | - Narges Habibi Samet
- Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran
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2
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Zhao H, Zhao Y. Engaging Isatins and Amino Acids in Multicomponent One-Pot 1,3-Dipolar Cycloaddition Reactions-Easy Access to Structural Diversity. Molecules 2023; 28:6488. [PMID: 37764264 PMCID: PMC10536439 DOI: 10.3390/molecules28186488] [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: 07/30/2023] [Revised: 08/28/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Multicomponent reactions (MCRs) have undoubtedly emerged as the most indispensable tool for organic chemists worldwide, finding extensive utility in the synthesis of intricate natural products, heterocyclic molecules with significant bioactivity, and pharmaceutical agents. The multicomponent one-pot 1,3-dipolar cycloaddition reactions, which were initially conceptualized by Rolf Huisgen in 1960, find extensive application in contemporary heterocyclic chemistry. In terms of green synthesis, the multicomponent 1,3-dipolar cycloaddition is highly favored owing to its numerous advantages, including high step- and atom-economies, remarkable product diversity, as well as excellent efficiency and diastereoselectivity. Among the numerous pieces of research, the most fascinating reaction involves the utilization of azomethine ylides generated from isatins and amino acids that can be captured by various dipolarophiles. This approach offers a highly efficient and convenient method for constructing spiro-pyrrolidine oxindole scaffolds, which are crucial building blocks in biologically active molecules. Consequently, this review delves deeper into the dipolarophiles utilized in the 1,3-dipolar cycloaddition of isatins and amino acids over the past six years.
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Affiliation(s)
- Hua Zhao
- Institute of Drug Discovery Technology, Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo 315211, China
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Shi Y, Zhao H, Zhao Y. An Efficient Synthesis of Oxygen-Bridged Spirooxindoles via Microwave-Promoted Multicomponent Reaction. Molecules 2023; 28:molecules28083508. [PMID: 37110742 PMCID: PMC10146779 DOI: 10.3390/molecules28083508] [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: 03/17/2023] [Revised: 04/09/2023] [Accepted: 04/11/2023] [Indexed: 04/29/2023] Open
Abstract
A microwave-promoted multicomponent reaction of isatins, α-amino acids and 1,4-dihydro-1,4-epoxynaphthalene is achieved under environmentally friendly conditions, delivering oxygen-bridged spirooxindoles within 15 min in good to excellent yields. The attractive features of the 1,3-dipolar cycloaddition are the compatibility of various primary amino acids and the high efficiency of the short reaction time. Moreover, the scale-up reaction and synthetic transformations of spiropyrrolidine oxindole further demonstrate its synthetic utility. This work provides powerful means to expand the structural diversity of spirooxindole as a promising scaffold for novel drug discovery.
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Affiliation(s)
- Yaojing Shi
- Institute of Drug Discovery Technology, Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo 315211, China
| | - Hua Zhao
- Institute of Drug Discovery Technology, Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo 315211, China
| | - Yufen Zhao
- Institute of Drug Discovery Technology, Qian Xuesen Collaborative Research Center of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo 315211, China
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Stepakov AV, Filatov AS, Boitsov VM, Lozovskiy SV. Diastereoselective cycloaddition of tosylpropadiene to azomethine ylides, derived from proline and carbonyl compounds: an experimental and DFT study. PHOSPHORUS SULFUR 2022. [DOI: 10.1080/10426507.2021.2017436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Alexander V. Stepakov
- Institute of Chemistry, Saint Petersburg State University, Petersburg, Russian Federation
- Saint Petersburg State Institute of Technology, Petersburg, Russian Federation
| | - Alexander S. Filatov
- Institute of Chemistry, Saint Petersburg State University, Petersburg, Russian Federation
| | - Vitali M. Boitsov
- Saint Petersburg National Research Academic University of the Russian Academy of Sciences, Petersburg, Russian Federation
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Neal MJ, Hejnosz SL, Rohde JJ, Evanseck JD, Montgomery TD. Multi-Ion Bridged Pathway of N-Oxides to 1,3-Dipole Dilithium Oxide Complexes. J Org Chem 2021; 86:11502-11518. [PMID: 34379424 DOI: 10.1021/acs.joc.1c01047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Roussi's landmark work on the generation of 1,3-dipoles from tertiary amine N-oxides has not reached its full potential since its underlying mechanism is neither well explored nor understood. Two competing mechanisms were previously proposed to explain the transformation involving either an iminium ion or a diradical intermediate. Our investigation has revealed an alternative mechanistic pathway that explains experimental results and provides significant insights to guide the creation of new N-oxide reagents beyond tertiary alkylamines for direct synthetic transformations. Truhlar's M06-2x functional and Møller-Plesset second-order perturbation theory with Dunning's [jul,aug]-cc-pv[D,T]z basis sets and discrete-continuum solvation models were employed to determine activation enthalpies and structures. During these mechanistic explorations, we discovered a unique multi-ion bridged pathway resulting from the rate-determining step, which was energetically more favorable than other alternate mechanisms. This newly proposed mechanism contains no electrophilic intermediates, strengthening the reaction potential by broadening the reagent scope and limiting the possible side reactions. This thoroughly defined general mechanism supports a more direct route for improving the use of N-oxides in generating azomethine ylide-dilithium oxide complexes with expanded functional group tolerance and breadth of chemistry.
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Affiliation(s)
- Martin J Neal
- Department of Chemistry and Biochemistry, Center for Computational Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, Pennsylvania 15282, United States
| | - Sarah L Hejnosz
- Department of Chemistry and Biochemistry, Center for Computational Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, Pennsylvania 15282, United States
| | - Jeffrey J Rohde
- Department of Chemistry, Physics, and Engineering, Franciscan University of Steubenville, 1235 University Boulevard, Steubenville, Ohio 43952, United States
| | - Jeffrey D Evanseck
- Department of Chemistry and Biochemistry, Center for Computational Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, Pennsylvania 15282, United States
| | - Thomas D Montgomery
- Department of Chemistry and Biochemistry, Center for Computational Sciences, Duquesne University, 600 Forbes Avenue, Pittsburgh, Pennsylvania 15282, United States
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Cao T, Yang Z, Sun Y, Zhao N, Lu S, Zhang J, Wang L. Lewis Base‐Catalyzed Cycloaddition of Heterocyclic Alkenes with 2,2,2‐Trifluorodiazoethane (CF
3
CHN
2
): Access to Trifluoromethylated Pyrazolines and Pyrazoles. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100521] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Tingting Cao
- Department of Traditional Chinese Medicine Jilin Agricultural University Changchun 130118 P. R. China
- Institute of Medicinal Plant Development Chinese Academy of Medical Science&Peking Union Medical College Beijing 100193 P. R. China
| | - Zhen Yang
- Department of Traditional Chinese Medicine Jilin Agricultural University Changchun 130118 P. R. China
| | - Yunfang Sun
- Institute of Medicinal Plant Development Chinese Academy of Medical Science&Peking Union Medical College Beijing 100193 P. R. China
| | - Nannan Zhao
- Institute of Medicinal Plant Development Chinese Academy of Medical Science&Peking Union Medical College Beijing 100193 P. R. China
| | - Shan Lu
- Institute of Medicinal Plant Development Chinese Academy of Medical Science&Peking Union Medical College Beijing 100193 P. R. China
| | - Jing Zhang
- Department of Traditional Chinese Medicine Jilin Agricultural University Changchun 130118 P. R. China
| | - Lei Wang
- Institute of Medicinal Plant Development Chinese Academy of Medical Science&Peking Union Medical College Beijing 100193 P. R. China
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Acharjee N, Mohammad‐Salim HA, Chakraborty M, Rao MP, Ganesh M. Unveiling the high regioselectivity and stereoselectivity within the synthesis of spirooxindolenitropyrrolidine: A molecular electron density theory perspective. J PHYS ORG CHEM 2021. [DOI: 10.1002/poc.4189] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
| | | | - Mrinmoy Chakraborty
- Department of Electronics and Communication Engineering Dr. B. C. Roy Engineering College Durgapur India
| | - Madhuri P. Rao
- Department of Chemistry B.M.S College of Engineering Bengaluru India
| | - Madhu Ganesh
- Department of Chemistry B.M.S College of Engineering Bengaluru India
- Department of Pharmaceutical Technology National Institute of Pharmaceutical Education and Research Hyderabad India
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Pounder A, Chen LD, Tam W. Ruthenium-Catalyzed [2 + 2] versus Homo Diels-Alder [2 + 2 + 2] Cycloadditions of Norbornadiene and Disubstituted Alkynes: A DFT Study. ACS OMEGA 2021; 6:900-911. [PMID: 33458541 PMCID: PMC7808161 DOI: 10.1021/acsomega.0c05499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 12/07/2020] [Indexed: 06/12/2023]
Abstract
The ruthenium-catalyzed [2 + 2] and homo Diels-Alder [2 + 2 + 2] cycloadditions of norbornadiene with disubstituted alkynes are investigated using density functional theory (DFT). These DFT calculations provide a mechanistic explanation for observed reactivity trends with different functional groups. Alkynyl phosphonates and norbornadiene form the [2 + 2 + 2] cycloadduct, while other functionalized alkynes afford the respective [2 + 2] cycloadduct, in excellent agreement with experimental results. The computational studies on the potential energy profiles of the cycloadditions show that the rate-determining step for the [2 + 2] cycloaddition is the final reductive elimination step, but the overall rate for the [2 + 2 + 2] cycloaddition is controlled by the initial oxidative cyclization. Two distinct mechanistic pathways for the [2 + 2 + 2] cycloaddition, cationic and neutral, are characterized and reveal that Cp*RuCl(COD) energetically prefers the cationic pathway.
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