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Zavalishin MN, Kiselev AN, Gamov GA. Schiff Bases Derived from Pyridoxal 5'-Phosphate and 2-X-Phenylamine (X = H, OH, SH): Substituent Effects on UV-Vis Spectra and Hydrolysis Kinetics. Molecules 2024; 29:3504. [PMID: 39124909 PMCID: PMC11314395 DOI: 10.3390/molecules29153504] [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: 06/24/2024] [Revised: 07/23/2024] [Accepted: 07/24/2024] [Indexed: 08/12/2024] Open
Abstract
Schiff bases are compounds that are widely distributed in nature and have practical value for industry and biomedicine. Another important use of Schiff bases is identifying metal ions and different molecules, including proteins. Their proneness to hydrolysis limits the utilization of Schiff bases to mainly non-aqueous solutions. However, by introducing -OH and -SH substituents to aromatic amine-bearing rings, it is possible to increase the resilience of the Schiff base to destruction in water. The present paper discusses how the hydroxyl or thiol group influences the spectral properties and kinetics of the hydrolysis and formation of Schiff bases derived from pyridoxal 5'-phosphate and aniline, 2-hydroxyaniline, and 2-mercaptoaniline using quantum chemical data. The spectral variation between different imines can be explained by taking into account the geometry and frontier molecular orbital alteration induced by the substituents. The changes in the hydrolysis rate are analyzed using the computed values of local reactivity indices.
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Affiliation(s)
- Maksim N. Zavalishin
- Department of General Chemical Technology, Ivanovo State University of Chemistry and Technology, Sheremetevskii Pr. 7, Ivanovo 153000, Russia;
| | - Aleksei N. Kiselev
- G.A. Krestov Institute of Solution Chemistry, Russian Academy of Science, Akademicheskaya Str. 1, Ivanovo 153045, Russia;
| | - George A. Gamov
- Department of General Chemical Technology, Ivanovo State University of Chemistry and Technology, Sheremetevskii Pr. 7, Ivanovo 153000, Russia;
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2
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DFT Study of Regio- and Stereoselective 13DC Reaction between Diazopropane and Substituted Chalcone Derivatives: Molecular Docking of Novel Pyrazole Derivatives as Anti-Alzheimer's Agents. Molecules 2023; 28:molecules28041899. [PMID: 36838888 PMCID: PMC9964806 DOI: 10.3390/molecules28041899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 02/09/2023] [Accepted: 02/11/2023] [Indexed: 02/19/2023] Open
Abstract
In the present work, a combination of experimental and density functional theory (DFT) investigation of the (3+2) cycloaddition reactions of diazopropane with chalcone derivatives was reported. All calculations were performed using several DFT approaches (B3LYP, M06, M06-2X) and 6-311+G(d, p) basis set. Based on the NMR, MS analyses and IRC calculations, the pyrazole derivatives are the kinetic adducts over the oxadiazoles. The use of two equivalents of diazopropane leads to thermodynamical products. A molecular docking analysis was performed to investigate the efficiency of the obtained products against selected drug targets in anti-Alzheimer ligand-receptor interactions. We revealed that the ligands selected were bound mainly to the catalytic (CAS) and peripheral (PAS) anionic sites of acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) inhibitors, respectively. The selected ligands 1, 3, 4 and P14 may act as the best inhibitors against Alzheimer's disease (AD).
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3
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Aguilar-Morales CM, Servín-García G, del Río RE, Islas-Jácome A, Gámez-Montaño R, Chacón-García L, Cortés-García CJ. Synthesis of novel hybrid 1,5-disusbtituted 1 H-tetrazol-5yl 4,5-dihydro [1,2,3]triazolo[1,5- a]pyrazin-6-ones via high-order MCR-S N2/intramolecular [3 + 2] cycloaddition sequence. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2154165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Cesia M. Aguilar-Morales
- Laboratorio de Diseño Molecular, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo. Ciudad Universitaria, Morelia, Mexico
| | - Gabriela Servín-García
- Laboratorio de Diseño Molecular, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo. Ciudad Universitaria, Morelia, Mexico
| | - Rosa E. del Río
- Laboratorio Química de Productos Naturales, Instituto de Investigaciones Químico Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Ed. B-1, C.U, Morelia, Mexico
| | - Alejandro Islas-Jácome
- Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, Avenida Ferrocarril San Rafael Atlixco, número 186, Colonia Leyes de Reforma 1A Sección, Alcaldía Iztapalapa, Ciudad de México, Mexico
| | - Rocío Gámez-Montaño
- Departamento de Química, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Guanajuato, Mexico
| | - Luis Chacón-García
- Laboratorio de Diseño Molecular, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo. Ciudad Universitaria, Morelia, Mexico
| | - Carlos J. Cortés-García
- Laboratorio de Diseño Molecular, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo. Ciudad Universitaria, Morelia, Mexico
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4
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Alikahi N, Daraei B, Torkian L, Shekarchi M. Application of the Quetiapine Templated Molecular Imprinted Polymer in Its Extraction from Human Blood Plasma; an Experimental and Density Functional Theory Study. ChemistrySelect 2022. [DOI: 10.1002/slct.202203741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Naghmeh Alikahi
- Department of applied Chemistry South Tehran Branch Islamic Azad University Tehran Iran
| | - Bahram Daraei
- Department of Toxicology and pharmacology School of pharmacy Shahid Beheshti University of Medical Sciences Tehran Iran
| | - Leila Torkian
- Department of applied Chemistry South Tehran Branch Islamic Azad University Tehran Iran
- Research Center of Modeling and Optimization in Science and Engineering Islamic Azad University, South Tehran Branch Tehran Iran
| | - Maryam Shekarchi
- Food and Drug Laboratory Research Centre Food and Drug Organization MOH&ME Tehran, Postal code 1113615911 Iran
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5
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Dresler E, Wróblewska A, Jasiński R. Understanding the Regioselectivity and the Molecular Mechanism of [3 + 2] Cycloaddition Reactions between Nitrous Oxide and Conjugated Nitroalkenes: A DFT Computational Study. Molecules 2022; 27:molecules27238441. [PMID: 36500530 PMCID: PMC9738823 DOI: 10.3390/molecules27238441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 11/26/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
Regiochemical aspects and the molecular mechanism of the [3 + 2] cycloaddition between nitrous oxide and conjugated nitroalkenes were evaluated on the basis of the wb97xd/6-311 + G(d) (PCM) computational study. It was found that, independently of the nature of the nitroalkene, all considered processes are realized via polar, single-step mechanisms. All attempts at the localization of hypothetical zwitterionic intermediates were unsuccessful. Additionally, the DFT computational study suggested that, in the course of the reaction, the formation of respective Δ2-4-nitro-4-R1-5-R2-1-oxa-2,3-diazolines was preferred from the kinetic point of view.
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Affiliation(s)
- Ewa Dresler
- Łukasiewicz Research Network, Institute of Heavy Organic Synthesis “Blachownia”, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland
| | - Aneta Wróblewska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland
| | - Radomir Jasiński
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland
- Correspondence:
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6
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Kula K, Łapczuk A, Sadowski M, Kras J, Zawadzińska K, Demchuk OM, Gaurav GK, Wróblewska A, Jasiński R. On the Question of the Formation of Nitro-Functionalized 2,4-Pyrazole Analogs on the Basis of Nitrylimine Molecular Systems and 3,3,3-Trichloro-1-Nitroprop-1-Ene. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238409. [PMID: 36500503 PMCID: PMC9739753 DOI: 10.3390/molecules27238409] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 12/03/2022]
Abstract
Experimental and theoretical studies on the reaction between (E)-3,3,3-trichloro-1-nitroprop-1-ene and N-(4-bromophenyl)-C-arylnitrylimine were performed. It was found that the title process unexpectedly led to 1-(4-bromophenyl)-3-phenyl-5-nitropyrazole instead of the expected Δ2-pyrazoline molecular system. This was the result of a unique CHCl3 elimination process. The observed mechanism of transformation was explained in the framework of the molecular electron density theory (MEDT). The theoretical results showed that both of the possible channels of [3 + 2] cycloaddition were favorable from a kinetic point of view, due to which the creation of 1-(4-bromophenyl)-3-aryl-4-tricholomethyl-5-nitro-Δ2-pyrazoline was more probable. On the other hand, according to the experimental data, the presented reactions occurred with full regioselectivity.
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Affiliation(s)
- Karolina Kula
- Department of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
- Correspondence: (K.K.); (A.Ł.); (R.J.)
| | - Agnieszka Łapczuk
- Department of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
- Correspondence: (K.K.); (A.Ł.); (R.J.)
| | - Mikołaj Sadowski
- Department of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
| | - Jowita Kras
- Department of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
| | - Karolina Zawadzińska
- Department of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
| | - Oleg M. Demchuk
- Faculty of Medicine, The John Paul II Catholic University of Lublin, Konstantynow 1J, 20-708 Lublin, Poland
| | - Gajendra Kumar Gaurav
- Sustainable Process Integration Laboratory—SPIL, NETME Centre, Faculty of Mechanical Engineering, Brno University of Technology—VUT Brno, Technická 2896/2, 616-69 Brno, Czech Republic
| | - Aneta Wróblewska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Lodz, Poland
| | - Radomir Jasiński
- Department of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Krakow, Poland
- Correspondence: (K.K.); (A.Ł.); (R.J.)
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7
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Novak I. Photoionization of stable mesoionic compounds. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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D'Auria M, Racioppi R, Viggiani L. Regioselectivity of [3+2] Cycloadditions of Heteroaryl Azides and Ethyl‐Vinyl Ether. ChemistrySelect 2022. [DOI: 10.1002/slct.202201394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Maurizio D'Auria
- Department of Science Università della Basilicata V.le dell'Ateneo Lucano 10 85100 Potenza Italy
| | - Rocco Racioppi
- Department of Science Università della Basilicata V.le dell'Ateneo Lucano 10 85100 Potenza Italy
| | - Licia Viggiani
- Department of Science Università della Basilicata V.le dell'Ateneo Lucano 10 Potenza 85100
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9
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Acharjee N, Mondal A, Chakraborty M. Unveiling the intramolecular [3 + 2] cycloaddition reactions of C, N-disubstituted nitrones from the molecular electron density theory perspective. NEW J CHEM 2022. [DOI: 10.1039/d2nj00888b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The zwitterionic type intramolecular [3 + 2] cycloaddition reactions of nitrones show remarkable substituent effects and varying reactivities in the cases of cyclic and acyclic alkenes.
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Affiliation(s)
- Nivedita Acharjee
- Department of Chemistry, Durgapur Government College, Durgapur, 713214, West Bengal, India
| | - Asmita Mondal
- Department of Chemistry, Durgapur Government College, Durgapur, 713214, West Bengal, India
| | - Mrinmoy Chakraborty
- Department of Electronics and Communication Engineering, Dr B. C. Roy Engineering College, Durgapur, 713206, West Bengal, India
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10
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Zhang Y, Long Z, Yan L, Liu L, Yang L, Le Y. Discovery of 4-nitro-3-phenylisoxazole derivatives as potent antibacterial agents derived from the studies of [3 + 2] cycloaddition. RSC Adv 2022; 12:25633-25638. [PMID: 36199305 PMCID: PMC9455768 DOI: 10.1039/d2ra05009a] [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: 08/10/2022] [Accepted: 08/21/2022] [Indexed: 12/04/2022] Open
Abstract
Polysubstituted phenylisoxazoles were designed and synthesized to discover new antibacterial agents via [3 + 2] cycloaddition. Thirty-five compounds with a phenylisoxazole scaffold were characterized by NMR, HRMS, and X-ray techniques. After being evaluated against Xanthomonas oryzae (Xoo), Pseudomonas syringae (Psa), and Xanthomonas axonopodis (Xac), 4-nitro-3-phenylisoxazole derivatives were found to better antibacterial activities. Further studies have shown that the EC50 values of these compounds were much better than that of the positive control, bismerthiazol. Thirty-five compounds with phenylisoxazole scaffold were synthesized via [3+2] cycloaddition. After being evaluated against Xoo, Psa and Xac, 4-nitro-3-phenylisoxazole derivatives were found well antibacterial activities.![]()
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Affiliation(s)
- Yan Zhang
- School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, China
| | - Zhiwu Long
- School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, China
| | - Longjia Yan
- School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, China
- Guizhou Engineering Laboratory for Synthetic Drugs, Guiyang 550025, China
| | - Li Liu
- School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, China
- Guizhou Engineering Laboratory for Synthetic Drugs, Guiyang 550025, China
| | - Lan Yang
- School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, China
- Guizhou Engineering Laboratory for Synthetic Drugs, Guiyang 550025, China
| | - Yi Le
- School of Pharmaceutical Sciences, Guizhou University, Guiyang 550025, China
- Guizhou Engineering Laboratory for Synthetic Drugs, Guiyang 550025, China
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11
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Esmaeeli Z, Khodabakhshi MR, Mirjafary Z, Saeidian H. A robust three-component synthesis of dispiroheterocycles containing aurone scaffold via 1,3-dipolar cycloaddition reaction of azomethine ylides: regioselectivity and mechanistic overview using DFT calculations. Struct Chem 2021. [DOI: 10.1007/s11224-021-01830-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Kącka-Zych A, Jasiński R. Understanding the molecular mechanism of γ-elimination of nitrous acid in the framework of the molecular electron density theory. J Comput Chem 2021; 42:1195-1203. [PMID: 33844329 DOI: 10.1002/jcc.26532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/22/2021] [Accepted: 03/18/2021] [Indexed: 11/07/2022]
Abstract
The reactions of γ-dehydronitration of furaxanenitrolic acids have been studied within the density functional theory using molecular electron density theory scheme at the MPWB1K(PCM)/6-311G(d,p) level of theory. The alteration of bonding along the course of the reaction is studied in the topology of the electron density functional within the bonding evolution theory perspective. The characteristics of electron density changes indicate that we can distinguish six different phases in the nitrous acid extrusion from furaxanenitrolic acid 1a. These different phases related to the intrinsic reaction coordinate path of the analyzed reaction denote the non-concerted nature of the molecular mechanism.
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Affiliation(s)
- Agnieszka Kącka-Zych
- Cracow University of Technology, Institute of Organic Chemistry and Technology, Cracow, Poland
| | - Radomir Jasiński
- Cracow University of Technology, Institute of Organic Chemistry and Technology, Cracow, Poland
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13
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Zouaghi MO, Doggui MY, Arfaoui Y. Regio- and stereoselectivity of the [3+2] cycloaddition of nitrones with methyl-acetophenone: A DFT investigation. J Mol Graph Model 2021; 107:107960. [PMID: 34126545 DOI: 10.1016/j.jmgm.2021.107960] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/01/2021] [Accepted: 06/03/2021] [Indexed: 01/29/2023]
Abstract
A theoretical study of the regio- and stereoselectivities of the [3 + 2] cycloaddition reactions of nitrones with substituted alkene (methyl acetophenone) is investigated using density functional theory (DFT) and carried out at B3LYP/6-311+G(d,p) level. The reactivity of these cycloadditions is rationalized by FMO model, activation energy calculations, and philicity indexes. The electronic populations have been calculated from natural orbital, which based on charges by using NBO analysis, MK and CHelpG electrostatic population. The four possible pathways, fused and bridged regioisomeric modes, and the two stereoisomeric approaches endo and exo for the cycloaddition reactions are analyzed and discussed. Analysis of TS geometries and bond lengths demonstrate that these reactions follow a one-step mechanism with asynchronous transition states. The activation energy indicated a favored endo approach along the four reaction pathways.
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Affiliation(s)
- Mohamed Oussama Zouaghi
- Department of Chemistry, Laboratory of Characterizations, Applications and Modeling of Materials LR18ES08, University of Tunis El Manar, Tunisia
| | - Mohamed Yassine Doggui
- Department of Chemistry, Laboratory of Characterizations, Applications and Modeling of Materials LR18ES08, University of Tunis El Manar, Tunisia
| | - Youssef Arfaoui
- Department of Chemistry, Laboratory of Characterizations, Applications and Modeling of Materials LR18ES08, University of Tunis El Manar, Tunisia.
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14
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Ríos-Gutiérrez M, Domingo LR, Jasiński R. Understanding the different reactivity of ( Z)- and ( E)-β-nitrostyrenes in [3+2] cycloaddition reactions. An MEDT study. RSC Adv 2021; 11:9698-9708. [PMID: 35423465 PMCID: PMC8695397 DOI: 10.1039/d1ra00891a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 02/21/2021] [Indexed: 11/21/2022] Open
Abstract
The experimental reactivity of isomeric (Z)- and (E)-β-nitrostyrenes participating in [3+2] cycloaddition (32CA) reactions has been analysed on the basis of molecular electron density theory (MEDT) at the HF/6-311G(d,p), B3LYP/6-311G(d,p) and ωB97X-D/6-311G(d,p) computational levels. It was found that the polar zw-type 32CA reactions with 5,5-dimethylpyrroline-N-oxide proceed via a one-step mechanism, characterised by the attack of the nucleophilic oxygen centre of the nitrone on the electrophilically activated β-position of these nitrostyrenes. This behaviour is completely understood by means of the analysis of the conceptual DFT reactivity indices. These 32CA reactions present low activation enthalpies of 4.4 (Z) and 5.0 (E) kcal mol-1, and are exo (Z) and endo (E) stereoselective (B3LYP), as well as completely meta regioselective (ωB97X-D, B3LYP). The less stable (Z)-β-nitrostyrene is more reactive than the (E)-one (HF). ELF and AIM topological analyses of the reagents and TSs show the great similitude between their electronic structures. Finally, NCI allows explaining the exo stereoselectivity found in the reaction of (Z)-β-nitrostyrene. The present MEDT study explains the different reactivity, selectivity and competitiveness in the title reactions.
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Affiliation(s)
- Mar Ríos-Gutiérrez
- Department of Organic Chemistry, University of Valencia Dr Moliner 50, 46100 Burjassot Valencia Spain
| | - Luis R Domingo
- Department of Organic Chemistry, University of Valencia Dr Moliner 50, 46100 Burjassot Valencia Spain
| | - Radomir Jasiński
- Faculty of Chemical Engineering and Technology, Department of Organic Chemistry and Technology, Cracow University of Technology Warszawska 24 31-155 Cracow Poland
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15
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Liu Y, Liu J, Liu YY, Tang B, Lin H, Li Y, Zhang L. Synthesis of spirocyclic Δ 4-isoxazolines via [3 + 2] cycloaddition of indanone-derived ketonitrones with alkynes. RSC Adv 2021; 11:30415-30425. [PMID: 35480251 PMCID: PMC9041119 DOI: 10.1039/d1ra06063e] [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: 08/11/2021] [Accepted: 09/05/2021] [Indexed: 11/30/2022] Open
Abstract
A [3 + 2] cycloaddition of indanone-derived nitrones and alkynes under mild conditions is developed, allowing facile synthesis of spirocyclicindenyl isoxazolines with structural diversity. The sequential protocol of generated in situ ketonitrone from unsaturated ketones and N-alkylhydroxylamines is also achieved successfully, affording the desired products in considerable yield with moderate to good diastereoselectivity. Moreover, the spirocyclic product can be conveniently transformed into indenyl-based allylic alcohol and enamide. A [3 + 2] cycloaddition of indanone-derived nitrones with alkynes under mild conditions has been developed. It is a highly efficient and straightforward method for the synthesis of diverse spirocyclicindenyl isoxazolines.![]()
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Affiliation(s)
- Yilin Liu
- Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol (PVA) Fiber Material, Institute of Organic Synthesis, Huaihua University, Huaihua 418000, China
- CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Jiaxue Liu
- Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol (PVA) Fiber Material, Institute of Organic Synthesis, Huaihua University, Huaihua 418000, China
| | - Yan-Yun Liu
- Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol (PVA) Fiber Material, Institute of Organic Synthesis, Huaihua University, Huaihua 418000, China
| | - Boxiao Tang
- Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol (PVA) Fiber Material, Institute of Organic Synthesis, Huaihua University, Huaihua 418000, China
| | - Hongwei Lin
- Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol (PVA) Fiber Material, Institute of Organic Synthesis, Huaihua University, Huaihua 418000, China
| | - Yuanxiang Li
- Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol (PVA) Fiber Material, Institute of Organic Synthesis, Huaihua University, Huaihua 418000, China
| | - Lin Zhang
- Hunan Engineering Laboratory for Preparation Technology of Polyvinyl Alcohol (PVA) Fiber Material, Institute of Organic Synthesis, Huaihua University, Huaihua 418000, China
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16
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On the Question of Zwitterionic Intermediates in the [3+2] Cycloaddition Reactions: A Critical Review. ORGANICS 2020. [DOI: 10.3390/org1010005] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
New discoveries require a fundamental revision of the view on the mechanism of the 32CAreaction (according to the older nomenclature defined as 1,3-dipolar cycloaddition reactions). The view of the one-step, “concerted” mechanism of such processes developed in the 20-century is very popular today, both in academic literature and among organic chemists who do not specialize in such transformations. Meanwhile, more and more reports bring examples of reactions that clearly cannot be treated as processes without intermediates. However, these examples are documented very differently. In addition to comprehensive studies using many complementary research techniques, there are also reports in which the presence of intermediates in the cycloaddition environment is postulated on the basis of very unreliable premises. This review is an attempt at a critical analysis and systematization of data in the presented area.
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17
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Benhamed L, Mekelleche SM, Benchouk W, Charif IE, Ríos‐Gutiérrez M, Domingo LR. Understanding the Influence of the Trifluoromethyl Group on the Selectivities of the [3+2] Cycloadditions of Thiocarbonyl
S
‐methanides with α,β‐Unsaturated Ketones. A MEDT study. ChemistrySelect 2020. [DOI: 10.1002/slct.202002923] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Lakhdar Benhamed
- Laboratory of Applied Thermodynamics and Molecular Modelling Department of Chemistry Faculty of Science University of Tlemcen PB 119 Tlemcen 13000 Algeria
| | - Sidi Mohamed Mekelleche
- Laboratory of Applied Thermodynamics and Molecular Modelling Department of Chemistry Faculty of Science University of Tlemcen PB 119 Tlemcen 13000 Algeria
| | - Wafaa Benchouk
- Laboratory of Applied Thermodynamics and Molecular Modelling Department of Chemistry Faculty of Science University of Tlemcen PB 119 Tlemcen 13000 Algeria
| | - Imad Eddine Charif
- Laboratory of Applied Thermodynamics and Molecular Modelling Department of Chemistry Faculty of Science University of Tlemcen PB 119 Tlemcen 13000 Algeria
| | - Mar Ríos‐Gutiérrez
- Department of Organic Chemistry University of Valencia, Dr. Moliner 50 46100 Burjassot Valencia Spain
| | - Luis Ramon Domingo
- Department of Organic Chemistry University of Valencia, Dr. Moliner 50 46100 Burjassot Valencia Spain
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18
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Jasiński R. Selenyl analog of the (Z)-C,N-diphenylnitrone as the TAC in [3 + 2] cycloaddition with nitroethene: A DFT computational study. PHOSPHORUS SULFUR 2020. [DOI: 10.1080/10426507.2020.1760865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Radomir Jasiński
- Department of Organic Chemistry, Cracow University of Technology, Cracow, Poland
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19
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Hussein EM, El Guesmi N, Moussa Z, Pal U, Pal SK, Saha Dasgupta T, Ahmed SA. Unprecedented Regio- and Stereoselective Synthesis of Pyrene-Grafted Dispiro[indoline-3,2'-pyrrolidine-3',3″-indolines]: Expedient Experimental and Theoretical Insights into Polar [3 + 2] Cycloaddition. ACS OMEGA 2020; 5:24081-24094. [PMID: 32984730 PMCID: PMC7513337 DOI: 10.1021/acsomega.0c03510] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 09/03/2020] [Indexed: 05/02/2023]
Abstract
A series of dispiro[indoline-3,2'-pyrrolidine-3',3″-indolines] was synthesized via a multicomponent polar [3 + 2] cycloaddition (32CA) reaction of isatin derivatives, sarcosine and (E)-3-(2-oxo-2-(pyren-1-yl)ethylidene)indolin-2-one derivatives. The regio- and stereochemistries of the cycloadducts were established on the basis of one-dimensional (1D) (1H-, 13C-, 13C-CRAPT NMR) and two-dimensional (2D) homonuclear and heteronuclear correlation NMR spectrometry experiments (1H-1H gDQFCOSY, 13C-1H-HSQCAD, 13C-1H-HMBCAD, 1H-1H-ROESYAD). The molecular mechanism and regio- and stereoselectivities of the cycloaddition (CA) reaction have been investigated utilizing a density functional theory (DFT) method and were thoroughly explained based on the transition-state stabilities and global/local electrophilicity/nucleophilicity reactivity indices of the reactants.
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Affiliation(s)
- Essam M. Hussein
- Department
of Chemistry, Faculty of Applied Science, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
- Department
of Chemistry, Faculty of Science, Assiut
University, 71516 Assiut, Egypt
| | - Nizar El Guesmi
- Department
of Chemistry, Faculty of Applied Science, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
- Département
de Chimie, Faculté des Sciences de
Monastir, Avenue de l’Environnement, 5019 Monastir, Tunisia
| | - Ziad Moussa
- Department
of Chemistry, College of Science, United
Arab Emirates University, P.O. Box 15551, Al Ain, United Arab Emirates
| | - Uttam Pal
- Technical
Research Centre, S.N. Bose National Centre
for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata 700106, India
| | - Samir K. Pal
- Department
of Chemical, Biological & Macromolecular Sciences, S.N. Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake, Kolkata 700106, India
| | - Tanusri Saha Dasgupta
- Department
of Condensed Matter Physics and Material Sciences, S.N. Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata 700106, India
| | - Saleh A. Ahmed
- Department
of Chemistry, Faculty of Applied Science, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
- Department
of Chemistry, Faculty of Science, Assiut
University, 71516 Assiut, Egypt
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20
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Kącka-Zych A, Jasiński R. A DFT study on the molecular mechanism of the conjugated nitroalkenes polymerization process initiated by selected unsaturated nucleophiles. Theor Chem Acc 2020. [DOI: 10.1007/s00214-020-02627-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
AbstractThe participation of the nitroethene and its α-substituted analogs as model nitrofunctionalized monomers, and (Z)-C,N-diphenylnitrone and methyl vinyl ether as initiators in the polymerization reactions, has been analyzed in the framework of the density functional theory calculations at the M06-2X(PCM)/6-311 + G(d) level. Our computational study suggests the zwitterionic mechanism of the polymerization process. The exploration of the nature of critical structures shows that the first reaction stage exhibits evidently polar nature, whereas additions of further nitroalkene molecules to the polynitroalkyl molecular system formed should be considered as moderate polar processes. The more detailed view on the molecular transformations gives analysis based on the bonding evolution theory. This study shows that the case of polymerization reaction between nitroethene and (Z)-C,N-diphenylnitrone allows for distinguishing eleven topologically different phases, while, in the case of polymerization reaction nitroethene and methyl vinyl ether, we can distinguish nine different phases.
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21
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Acharjee N. Unravelling the regio- and stereoselective synthesis of bicyclic N,O-nucleoside analogues within the molecular electron density theory perspective. Struct Chem 2020; 31:2147-2160. [PMID: 32837116 PMCID: PMC7315015 DOI: 10.1007/s11224-020-01569-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 06/18/2020] [Indexed: 12/22/2022]
Abstract
The [3 + 2] cycloaddition (32CA) reactions of 1-pyrroline-1-oxide with N-vinyl nucleobases leading to bicyclic N,O nucleoside analogues have been studied within the molecular electron density theory (MEDT) at the MPWB1K/6-311G(d,p) computational level. These non-polar zwitterionic type 32CA reactions take place through a one-step mechanism with minimal global electron density transfer (GEDT) at the TSs and the exo/ortho approach mode as the energetically favoured reaction path. The 32CA reactions of N-vinyl nucleobases with thymine and cytosine substituents respectively show the activation enthalpies of 15.2 and 12.5 kcal mol−1 in toluene. The reactions are irreversible due to strong exothermic character of − 35.4–− 26.4 kcal mol−1 in toluene. The bonding evolution theory (BET) study suggests that these 32CA reactions take place through the coupling of pseudoradical centres with earlier C–C bond formation and the formation of new C–C and C–O covalent bonds has not been started in the TSs. Non-covalent interactions (NCI) are predicted at the TSs from the visualization of NCI gradient isosurfaces.
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Affiliation(s)
- Nivedita Acharjee
- Department of Chemistry, Durgapur Government College, Paschim Bardhaman, Durgapur, West Bengal 713214 India
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22
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ACHARJEE NIVEDITA, BANERJI AVIJIT. A molecular electron density theory study to understand the interplay of theory and experiment in nitrone-enone cycloaddition. J CHEM SCI 2020. [DOI: 10.1007/s12039-020-01766-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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23
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Diastereoselective thermal [3+2] cycloaddition reactions of nitrone possessing an amide functional group as hydrogen bond donor/acceptor. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02668-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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24
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Kula K, Dobosz J, Jasiński R, Kącka-Zych A, Łapczuk-Krygier A, Mirosław B, Demchuk OM. [3+2] Cycloaddition of diaryldiazomethanes with (E)-3,3,3-trichloro-1-nitroprop-1-ene: An experimental, theoretical and structural study. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127473] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
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25
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Domingo LR, Acharjee N. A molecular electron density theory study of the Grignard reagent‐mediated regioselective direct synthesis of 1,5‐disubstituted‐1,2,3‐triazoles. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4062] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Luis R. Domingo
- Department of Organic ChemistryUniversity of Valencia Burjassot Spain
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26
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Mlostoń G, Jasiński R, Kula K, Heimgartner H. A DFT Study on the Barton-Kellogg Reaction - The Molecular Mechanism of the Formation of Thiiranes in the Reaction between Diphenyldiazomethane and Diaryl Thioketones. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901443] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Grzegorz Mlostoń
- Department of Organic and Applied Chemistry; University of Łódź; Tamka 12 91-403 Łódź Poland
| | - Radomir Jasiński
- Institute of Organic Chemistry & Technology; Cracow University of Technology; Warszawska 24 31-155 Krakow Poland
| | - Karolina Kula
- Institute of Organic Chemistry & Technology; Cracow University of Technology; Warszawska 24 31-155 Krakow Poland
| | - Heinz Heimgartner
- Department of Chemistry; University of Zurich; Winterthurerstrasse 190 8057 Zurich Switzerland
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27
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A computational study on the [3+2] cycloaddition of para-quinone methides with nitrile imines: a two-stage one-step mechanism. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-019-02531-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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28
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Competition between [2 + 1]- and [4 + 1]-cycloaddition mechanisms in reactions of conjugated nitroalkenes with dichlorocarbene in the light of a DFT computational study. J Mol Model 2019; 25:157. [PMID: 31079231 DOI: 10.1007/s00894-019-4006-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Accepted: 03/21/2019] [Indexed: 02/06/2023]
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29
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Boguszewska-Czubara A, Kula K, Wnorowski A, Biernasiuk A, Popiołek Ł, Miodowski D, Demchuk OM, Jasiński R. Novel functionalized β-nitrostyrenes: Promising candidates for new antibacterial drugs. Saudi Pharm J 2019; 27:593-601. [PMID: 31061629 PMCID: PMC6488848 DOI: 10.1016/j.jsps.2019.02.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 02/27/2019] [Indexed: 11/23/2022] Open
Abstract
A homogenous series of β-EWG functionalyzed β-nitrostyrenes was synthesized and characterized by IR, UV, 1H NMR and 13C NMR spectra. The obtained compounds were screened in vitro against a panel of the reference strains of bacteria and fungi - five of them exhibited significant antimicrobial activity against all tested reference bacteria and fungi belonging to yeasts. Cytotoxicity of the compounds towards cultured human HepG2 and HaCaT cells was established – five of them displayed similar low pattern of activity in both cells lines.
The process of searching for new antibacterial agents is more and more challenging due to the increasing drug resistance which has become a major concern in the field of infection management. Our study presents a synthesis and characterization by IR, UV, 1H NMR and 13C NMR spectra of a homogenous series of 1-EWG functionalized 2-aryl-1-nitroethenes which could prove good candidates for the replacement of traditional antibacterial drugs In vitro screening against a panel of the reference strains of bacteria and fungi and their cytotoxicity towards cultured human HepG2 and HaCaT cells was performed. Antimicrobial results indicated that four of the synthesized compounds exhibited a significant antimicrobial activity against all tested reference bacteria and fungi belonging to yeasts with a specific and strong activity towards B. subtilis ATCC 6633. Two of these compounds had no detectable cytotoxicity towards the cultured human cell lines, making them promising candidates for new antibacterial drugs.
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Affiliation(s)
| | - Karolina Kula
- Institute of Organic Chemistry and Technology, Cracow University of Technology, 24 Warszawska Str., 31-155 Cracow, Poland
| | - Artur Wnorowski
- Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki Str., 20-093 Lublin, Poland
| | - Anna Biernasiuk
- Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki Str., 20-093 Lublin, Poland
| | - Łukasz Popiołek
- Faculty of Pharmacy, Medical University of Lublin, 4A Chodźki Str., 20-093 Lublin, Poland
| | - Dawid Miodowski
- Institute of Organic Chemistry and Technology, Cracow University of Technology, 24 Warszawska Str., 31-155 Cracow, Poland
| | - Oleg M Demchuk
- Pharmaceutical Research Institute, 8 Rydygiera Str., 01-793 Warsaw, Poland.,Department of Chemistry UMCS, 2 M. Curie-Skłodowska Sq., 20-031 Lublin, Poland
| | - Radomir Jasiński
- Institute of Organic Chemistry and Technology, Cracow University of Technology, 24 Warszawska Str., 31-155 Cracow, Poland
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30
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Jasiński R. Understanding of the molecular mechanism of the phenylsulfenic acid elimination from nitroalkyl systems. J Mol Graph Model 2019; 89:109-113. [PMID: 30884447 DOI: 10.1016/j.jmgm.2019.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/06/2019] [Accepted: 03/06/2019] [Indexed: 01/25/2023]
Abstract
The molecular mechanism of the phenylsulfenic acid elimination from nitroalkyl systems has been explored using M06-2X/6-31++G(d,p) theoretical level. It was found that independently of environment polarity as well as degree of screening of nitroalkyl moiety, these types of reactions proceed via one-step, polar mechanism with asynchronous transition state. According to actual state of knowledge this type of the mechanism should not be treated as "pericyclic". Simultaneously, all attempts for localization of stationary structures which can be related to the hypothetical, stepwise mechanism were not successful.
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Affiliation(s)
- Radomir Jasiński
- Department of Organic Chemistry, Cracow University of Technology, Poland.
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31
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Rouhani M. Fluoro-functionalized graphene as a promising nanosensor in detection of fish spoilage: A theoretical study. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.02.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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32
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de Andrade Danin Barbosa G, de Aguiar AP, de Carvalho EM, da Rocha Nogueira JM. Synthesis of 3-furanyl-4,5-dihydroisoxazole Derivatives via Cycloaddition and their Antibacterial Evaluation. LETT DRUG DES DISCOV 2019. [DOI: 10.2174/1570180815666180627115606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Background: Antimicrobial resistance is a major threat to human health. So this manuscript
describes the synthesis of five different 3,5-disubstituted 4,5-dihydroisoxazoles with antimicrobial
activity.
</P><P>
Methods: They were obtained from nitrile oxide cycloaddition derived from 2-furaldehyde and 5-
nitro-2-furaldehyde to different dipolarophiles (acrylamide, ethyl acrylate and styrene). All heterocycles
were isolated (30-50 %) and characterized by FTIR, MS, 1H and 13C NMR, as they were also
evaluated against Gram-positive and Gram-negative bacteria.
</P><P>
Results and Conclusion: All products showed bioactivity against all bacteria, however, the heterocycle
3-(5-nitro-2-furanyl)-5-carboxylamide-4,5-dihydroisoxazole (6b) presented the lowest value
for the minimum inhibition concentration (MIC - 14 µg/mL).
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33
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Dresler E, Kącka-Zych A, Kwiatkowska M, Jasiński R. Regioselectivity, stereoselectivity, and molecular mechanism of [3 + 2] cycloaddition reactions between 2-methyl-1-nitroprop-1-ene and (Z)-C-aryl-N-phenylnitrones: a DFT computational study. J Mol Model 2018; 24:329. [DOI: 10.1007/s00894-018-3861-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Accepted: 10/12/2018] [Indexed: 01/30/2023]
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34
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Mirosław B, Babyuk D, Łapczuk-Krygier A, Kącka-Zych A, Demchuk OM, Jasiński R. Regiospecific formation of the nitromethyl-substituted 3-phenyl-4,5-dihydroisoxazole via [3 + 2] cycloaddition. MONATSHEFTE FUR CHEMIE 2018; 149:1877-1884. [PMID: 30237620 PMCID: PMC6133101 DOI: 10.1007/s00706-018-2227-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 05/13/2018] [Indexed: 10/28/2022]
Abstract
ABSTRACT 5-(Nitromethyl)-3-phenyl-4,5-dihydroisoxazole was obtained as a product of a high-yielding [3 + 2] cycloaddition reaction of in situ-generated benzonitrile N-oxide and 3-nitroprop-1-ene. For the first time, the regiochemistry of this reaction was unambiguously proven by X-ray structural analysis. The quantum-chemical calculation performed at the M06-2X/6-31G(d) (PCM) theoretical level affords a basis for explaining the course of reaction as well as the nature of transition states. Next, further DFT calculations together with spectral data shed light on structural aspects of the product. GRAPHICAL ABSTRACT
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Affiliation(s)
- Barbara Mirosław
- Department of Crystallography, Maria Curie-Sklodowska University, Maria Curie-Sklodowska St 3, 20-031 Lublin, Poland
| | - Dmytro Babyuk
- Institute of Biology, Chemistry and Bioresources, Chernivtsi National University, 2 Kotsyubynski Str., Chernivtsi, 58012 Ukraine
| | - Agnieszka Łapczuk-Krygier
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Warszawska St. 24, 31-155 Kraków, Poland
| | - Agnieszka Kącka-Zych
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Warszawska St. 24, 31-155 Kraków, Poland
| | - Oleg M. Demchuk
- Department of Organic Chemistry, Maria Curie-Sklodowska University, Gliniana St 33, 20-031 Lublin, Poland
| | - Radomir Jasiński
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Warszawska St. 24, 31-155 Kraków, Poland
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35
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Jasiński R. Competition between one-step and two-step mechanism in polar [3 + 2] cycloadditions of (Z)-C-(3,4,5-trimethoxyphenyl)-N-methyl-nitrone with (Z)-2-EWG-1-bromo-1-nitroethenes. COMPUT THEOR CHEM 2018. [DOI: 10.1016/j.comptc.2018.01.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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36
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Jasiński R. β-Trifluoromethylated nitroethenes in Diels-Alder reaction with cyclopentadiene: A DFT computational study. J Fluor Chem 2018. [DOI: 10.1016/j.jfluchem.2017.12.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Jasiński R, Żmigrodzka M, Dresler E, Kula K. A Full Regioselective and Stereoselective Synthesis of 4-Nitroisoxazolidines via
Stepwise [3 + 2] Cycloaddition Reactions between (Z
)-C
-(9-Anthryl)-N
-arylnitrones and (E
)-3,3,3-Trichloro-1-nitroprop-1-ene: Comprehensive Experimental and Theoretical Study. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2951] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Radomir Jasiński
- Institute of Organic Chemistry and Technology; Cracow University of Technology; Warszawska 24 31-155 Cracow Poland
| | - Magdalena Żmigrodzka
- Institute of Organic Chemistry and Technology; Cracow University of Technology; Warszawska 24 31-155 Cracow Poland
| | - Ewa Dresler
- Institute of Heavy Organic Synthesis “Blachownia”; Energetyków 9 47-225 Kędzierzyn-Koźle Poland
| | - Karolina Kula
- Institute of Organic Chemistry and Technology; Cracow University of Technology; Warszawska 24 31-155 Cracow Poland
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38
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Kowalski MK, Obijalska E, Mlostoń G, Heimgartner H. Generation and reactions of thiocarbonyl S -(2,2,2-trifluoroethanides). Synthesis of trifluoromethylated 1,3-dithiolanes, thiiranes and alkenes. J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2017.06.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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39
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Pakravan P, Siadati SA. The possibility of using C 20 fullerene and graphene as semiconductor segments for detection, and destruction of cyanogen-chloride chemical agent. J Mol Graph Model 2017; 75:80-84. [DOI: 10.1016/j.jmgm.2016.12.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 10/03/2016] [Accepted: 12/01/2016] [Indexed: 01/30/2023]
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40
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A DFT computational study on the molecular mechanism of reaction between pyridinium salts and π-deficient ethylenes: Why furan derivatives are formed instead of feasible cyclopropane derivatives and [3 + 2] cycloadducts? COMPUT THEOR CHEM 2017. [DOI: 10.1016/j.comptc.2017.05.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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41
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Jasiński R, Kula K, Kącka A, Mirosław B. Unexpected course of reaction between ( E)-2-aryl-1-cyano-1-nitroethenes and diazafluorene: why is there no 1,3-dipolar cycloaddition? MONATSHEFTE FUR CHEMIE 2017; 148:909-915. [PMID: 28458402 PMCID: PMC5387018 DOI: 10.1007/s00706-016-1893-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 12/10/2016] [Indexed: 12/02/2022]
Abstract
ABSTRACT Reactions between (E)-2-aryl-1-cyano-1-nitroethenes and diazafluorene lead to acyclic 2,3-diazabuta-1,3-diene derivatives, instead of the expected pyrazoline systems. DFT calculations suggest that this is a consequence of formation of zwitterionic structure in the first stage of the reaction. It must be noted that this is a specific property of the (E)-2-aryl-1-cyano-1-nitroethenes group, in contrast to most other conjugated nitroalkenes. GRAPHICAL ABSTRACT
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Affiliation(s)
- Radomir Jasiński
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland
| | - Karolina Kula
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland
| | - Agnieszka Kącka
- Institute of Organic Chemistry and Technology, Cracow University of Technology, Warszawska 24, 31-155 Cracow, Poland
| | - Barbara Mirosław
- Department of Crystallography, Maria Curie-Skłodowska University, Maria Curie-Skłodowska 3, 20-031 Lublin, Poland
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42
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A DFT computational study of the molecular mechanism of [3 + 2] cycloaddition reactions between nitroethene and benzonitrile N-oxides. J Mol Model 2016; 23:13. [PMID: 28032222 PMCID: PMC5196010 DOI: 10.1007/s00894-016-3185-8] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Accepted: 12/06/2016] [Indexed: 11/25/2022]
Abstract
DFT calculations were performed to shed light on the molecular mechanism of [3 + 2] cycloadditions of simple conjugated nitroalkenes to benzonitrile N-oxides. In particular, it was found that these processes proceed by a one-step mechanism through asynchronous transition states. According to the latest terminology, they should be considered polar but not stepwise processes.
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43
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Siadati SA. Beyond the Alternatives that Switch the Mechanism of the 1,3-Dipolar CyCloadditions from Concerted to Stepwise or Vice Versa: A Literature Review. PROGRESS IN REACTION KINETICS AND MECHANISM 2016. [DOI: 10.3184/146867816x14719552202168] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
For several decades, the concerted or stepwise character of the mechanism of the 1,3-dipolar cycloaddition reaction has been one of the most debated issues in the field of organic chemistry. The significance of this problem is due to the fact that in a catalyst-free 1,3-dipolar cycloaddition, when the mechanism switches from concerted to stepwise, the stereospecificity is lost and thus unwanted stereoisomers may emerge. The first proposals about the mechanism of the 1,3-dipolar reaction were due to Huisgen (concerted model) and subsequently by Firestone (two-step diradical channel) in the 1960s. After a decade of debate, most researchers accepted the concerted model for the reaction, but during these years, researchers reported some examples of the stepwise mechanism for catalyst-free 1,3-dipolar cycloadditions. This review attempts to find a number of factors that could influence the reaction channels and switch the mechanism from concerted to stepwise, or vice versa.
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Affiliation(s)
- Seyyed Amir Siadati
- Department of Chemistry, Qaemshahr Branch, Islamic
Azad University, Qaemshahr, Iran
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Vessally E, Siadati SA, Hosseinian A, Edjlali L. Selective sensing of ozone and the chemically active gaseous species of the troposphere by using the C 20 fullerene and graphene segment. Talanta 2016; 162:505-510. [PMID: 27837863 DOI: 10.1016/j.talanta.2016.10.010] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 10/01/2016] [Accepted: 10/02/2016] [Indexed: 11/30/2022]
Abstract
OZONE is a key species in forming a layer in the atmosphere of earth that brings vita for our planet and supports the complex life. This three-atom molecule in the ozone-layer, is healing the earth's ecosystem by protecting it from dangerous rays of the sun. Until this molecule is in the stratosphere, it would support the natural order of the life; but, when it appears in our environment, damages will begin against us. In this project, we have tried to find a new way for beaconing ozone species in our environment via physical adsorption by the C20 fullerene and graphene segment as a sensor. To find the selectivity of this nano-sized segment in sensing ozone (O3), compared to the usual chemically active gasses of the troposphere like O2, N2, CO2, H2O, CH4, H2, and CO, the density of state (DOS) plots were analyzed, for each interacting species. The results showed that ozone could significantly change the electrical conductivity of C20 fullerene, for each adsorption step. Thus, this fullerene could clearly sense ozone in different adsorption steps; while, the graphene segment could do this only at the second step adsorption (/ΔEg-B/=0.016eV) (at the first adsorption step the /ΔEg-A/ is 0.00eV).
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Affiliation(s)
- Esmail Vessally
- Department of Chemistry, Payame Noor University, Tehran, Iran.
| | | | - Akram Hosseinian
- Department of Engineering Science, College of Engineering, University of Tehran, Tehran, Iran
| | - Ladan Edjlali
- Department of Chemistry, Tabriz Branch, Islamic Azad University, Tabriz, Iran
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Kącka AB, Jasiński RA. A density functional theory mechanistic study of thermal decomposition reactions of nitroethyl carboxylates: undermine of “pericyclic” insight. HETEROATOM CHEMISTRY 2016. [DOI: 10.1002/hc.21326] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Agnieszka B. Kącka
- Institute of Organic Chemistry and Technology; Cracow University of Technology; Cracow Poland
| | - Radomir A. Jasiński
- Institute of Organic Chemistry and Technology; Cracow University of Technology; Cracow Poland
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46
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Emamian S. How the mechanism of a [3 + 2] cycloaddition reaction involving a stabilized N-lithiated azomethine ylide toward a π-deficient alkene is changed to stepwise by solvent polarity? What is the origin of its regio- and endo stereospecificity? A DFT study using NBO, QTAIM, and NCI analyses. RSC Adv 2016. [DOI: 10.1039/c6ra13913b] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
The regio- and endo stereospecific 32CA reaction of the stabilized N-lithiated azomethine ylide 2 toward the π-deficient alkene 3in THF occurs to afford cycloadduct 6via a stepwise mechanism, passing through the zwitterionic intermediate 4.
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Gazzeh H, Boudriga S, Askri M, Khatyr A, Knorr M, Strohmann C, Golz C, Rousselin Y, Kubicki MM. Stoichiometry-controlled cycloaddition of nitrilimines with unsymmetrical exocyclic dienones: microwave-assisted synthesis of novel mono- and dispiropyrazoline derivatives. RSC Adv 2016. [DOI: 10.1039/c6ra09703k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
The Microwave-assisted 1,3-dipolar cycloaddition of (E,E)-1,3-bisarylidenetetral-2-ones with nitrilimines affords a series of mono- and dispiropyrazolines in good to excellent yields.
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Affiliation(s)
- Houda Gazzeh
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR
- Department of Chemistry
- Faculty of Science of Monastir
- 5000 Monastir
- Tunisia
| | - Sarra Boudriga
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR
- Department of Chemistry
- Faculty of Science of Monastir
- 5000 Monastir
- Tunisia
| | - Moheddine Askri
- Laboratory of Heterocyclic Chemistry Natural Product and Reactivity/CHPNR
- Department of Chemistry
- Faculty of Science of Monastir
- 5000 Monastir
- Tunisia
| | - Abderrahim Khatyr
- Institut UTINAM – UMR CNRS 6213
- Université de Franche-Comté
- 25030 Besançon
- France
| | - Michael Knorr
- Institut UTINAM – UMR CNRS 6213
- Université de Franche-Comté
- 25030 Besançon
- France
| | | | | | - Yoann Rousselin
- Institute of Molecular Chemistry – UMR CNRS 6302
- University of Bourgogne
- F-21078 Dijon
- France
| | - Marek M. Kubicki
- Institute of Molecular Chemistry – UMR CNRS 6302
- University of Bourgogne
- F-21078 Dijon
- France
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