1
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Mandal S, Sarkar P, Ghosh P. A macrocycle-based new organometallic nano-vessel towards sustainable C2-selective arylation of free indole in water. Org Biomol Chem 2024; 22:7438-7447. [PMID: 39188153 DOI: 10.1039/d4ob00886c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
C2-selectivity of unsubstituted indole over facile C3-substitution is attempted by utilizing the π-cavity of a nano-vessel made up of a palladium complex of an amino-ether heteroditopic macrocycle. Functional group tolerance (cyano, nitro, halo, ester, etc.), a broad substrate scope and outstanding selectivities with excellent yields (80-93%) of the desired products have been achieved in 12 h by maintaining all sustainable conditions like aqueous medium, recyclable catalyst, one-pot reaction, no external additives, mild temperature, etc. Interestingly, we observed that electron-deficient indole derivatives underwent the present transformation with marginally superior reactivity in comparison with electron-rich indole derivatives. This approach establishes a green pathway for selective C-C coupling employing a π-cavitand as a nano-reactor.
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Affiliation(s)
- Subham Mandal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S.C. Mullick Road, Kolkata 700032, India.
| | - Piyali Sarkar
- Institute of Health Sciences, Presidency University, Second Campus, Plot No. DG/02/02, Premises No. 14-0358, Action Area-ID, New Town, Kolkata 700156, West Bengal, India
| | - Pradyut Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S.C. Mullick Road, Kolkata 700032, India.
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2
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Komiyama M. Monomeric, Oligomeric, Polymeric, and Supramolecular Cyclodextrins as Catalysts for Green Chemistry. RESEARCH (WASHINGTON, D.C.) 2024; 7:0466. [PMID: 39253101 PMCID: PMC11381675 DOI: 10.34133/research.0466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2024] [Accepted: 08/09/2024] [Indexed: 09/11/2024]
Abstract
This review comprehensively covers recent developments of cyclodextrin-mediated chemical transformations for green chemistry. These cyclic oligomers of glucose are nontoxic, eco-friendly, and recyclable to accomplish eminent functions in water. Their most important feature is to form inclusion complexes with reactants, intermediates, and/or catalysts. As a result, their cavities serve as sterically restricted and apolar reaction fields to promote the efficiency and selectivity of reactions. Furthermore, unstable reagents and intermediates are protected from undesired side reactions. The scope of their applications has been further widened through covalent or noncovalent modifications. Combinations of them with metal catalysis are especially successful. In terms of these effects, various chemical reactions are achieved with high selectivity and yield so that valuable chemicals are synthesized from multiple components in one-pot reactions. Furthermore, cyclodextrin units are orderly assembled in oligomers and polymers to show their cooperation for advanced properties. Recently, cyclodextrin-based metal-organic frameworks and polyoxometalate-cyclodextrin frameworks have been fabricated and employed for unique applications. Cyclodextrins fulfill many requirements for green chemistry and should make enormous contributions to this growing field.
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Affiliation(s)
- Makoto Komiyama
- Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro, Tokyo 153-8904, Japan
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3
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Ghosal S, Das A, Roy D, Dasgupta J. Tuning light-driven oxidation of styrene inside water-soluble nanocages. Nat Commun 2024; 15:1810. [PMID: 38418497 PMCID: PMC10902312 DOI: 10.1038/s41467-024-45991-9] [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: 06/27/2022] [Accepted: 02/08/2024] [Indexed: 03/01/2024] Open
Abstract
Selective functionalization of innate sp2 C-H bonds under ambient conditions is a grand synthetic challenge in organic chemistry. Here we combine host-guest charge transfer-based photoredox chemistry with supramolecular nano-confinement to achieve selective carbonylation of styrene by tuning the dioxygen concentration. We observe exclusive photocatalytic formation of benzaldehyde under excess O2 (>1 atm) while Markovnikov addition of water produced acetophenone in deoxygenated condition upon photoexcitation of confined styrene molecules inside a water-soluble cationic nanocage. Further by careful tuning of the nanocage size, electronics, and guest preorganization, we demonstrate rate enhancement of benzaldehyde formation and a complete switchover to the anti-Markovnikov product, 2-phenylethan-1-ol, in the absence of O2. Raman spectroscopy, 2D 1H-1H NMR correlation experiments, and transient absorption spectroscopy establish that the site-selective control on the confined photoredox chemistry originates from an optimal preorganization of styrene molecules inside the cavity. We envision that the demonstrated host-guest charge transfer photoredox paradigm in combination with green atom-transfer reagents will enable a broad range of sp2 carbon-site functionalization.
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Affiliation(s)
- Souvik Ghosal
- Department of Chemical Sciences, Tata Institute of Fundamental Research, 1 Homi Bhabha Road, Mumbai, 400005, India
| | - Ankita Das
- Department of Chemical Sciences, Tata Institute of Fundamental Research, 1 Homi Bhabha Road, Mumbai, 400005, India
| | - Debojyoti Roy
- Department of Chemical Sciences, Tata Institute of Fundamental Research, 1 Homi Bhabha Road, Mumbai, 400005, India
| | - Jyotishman Dasgupta
- Department of Chemical Sciences, Tata Institute of Fundamental Research, 1 Homi Bhabha Road, Mumbai, 400005, India.
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4
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Bugalia S, Dhayal Y, Sachdeva H, Kumari S, Atal K, Phageria U, Saini P, Gurjar OP. Review on Isatin- A Remarkable Scaffold for Designing Potential Therapeutic Complexes and Its Macrocyclic Complexes with Transition Metals. J Inorg Organomet Polym Mater 2023; 33:1-20. [PMID: 37359385 PMCID: PMC10164246 DOI: 10.1007/s10904-023-02666-0] [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: 02/07/2023] [Accepted: 04/18/2023] [Indexed: 06/28/2023]
Abstract
Role of synthetic coordination chemistry in pharmaceutical science is expeditiously increased due to its sundry relevances in this field. The present review endows the synthesized macrocyclic complexes of transition metal ions containing isatin and its derivatives as ligand precursors, their characterization and their copious pharmaceutical applications. Isatin (1H-Indole-2,3-dione) is a protean compound (presence of lactam and keto moiety permits to change its molecular framework) that can be obtained from marine animals, plants, and is also found in mammalian tissues and in human fluids as a metabolite of amino acids. It can be used for the synthesis of miscellaneous organic and inorganic complexes and for designing of drugs since it has remarkable utility in pharmaceutical industry due to its wide range of biological and pharmacological activities, for instance anti-microbial, anti-HIV, anti-tubercular, anti-cancer, anti-viral, anti-oxidant, anti-inflammatory, anti-angiogenic, analgesic activity, anti-Parkinson's disease, anti-convulsant etc. This review provides extensive information about the latest methods for the synthesis of isatin or its substituted derivatives based macrocyclic complexes of transition metals and their plentiful applications in medicinal chemistry. Graphical Abstract
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Affiliation(s)
- Swati Bugalia
- Department of Chemistry, University of Rajasthan, Jaipur, 302004 India
| | | | - Harshita Sachdeva
- Department of Chemistry, University of Rajasthan, Jaipur, 302004 India
| | - Sushama Kumari
- Department of Chemistry, University of Rajasthan, Jaipur, 302004 India
| | - Krishna Atal
- Department of Chemistry, University of Rajasthan, Jaipur, 302004 India
| | - Urmila Phageria
- Department of Chemistry, Govt. Lohia College, Churu, 331001 India
| | - Pooja Saini
- Department of Chemistry, University of Rajasthan, Jaipur, 302004 India
| | - Om Prakash Gurjar
- Department of Chemistry, University of Rajasthan, Jaipur, 302004 India
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5
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Chen R, Cai Z, Li W, Huang Q, Nardiello D, Quinto M, Liu X, Hu S, Sun T. A New Capillary Gas Chromatography Column Based on Poly(ethylene glycol) Methyl Ether-Functionalized Calix[4]arene. Chem Biodivers 2022; 19:e202200829. [PMID: 36372775 DOI: 10.1002/cbdv.202200829] [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: 08/31/2022] [Accepted: 11/04/2022] [Indexed: 11/15/2022]
Abstract
In this work, a novel capillary column (C4A-mPEG) with a calixarene-based polymer stationary phase (poly(ethylene glycol) methyl ether-functionalized 4-tert-butylcalix[4]arene) was designed and used for gas chromatographic (GC) separations. The C4A-mPEG capillary column, prepared by the static coating method, showed moderate polarity and a column efficiency of 2332 plates/m, determined by 1-octanol at 120 °C. The separation features of C4A-mPEG stationary phase, resulting from its unique structure and multiple molecular recognition processes with analytes, including π-π, H-bonding, dipole-dipole, and van der Waals interactions, allowed to obtain high-resolution performances for a wide range of compounds and their isomers, especially benzaldehydes, phenols, and anilines. Moreover, compared with 4-tertbutyl calix[4]arene (C4A) and polyethylene glycol (PEG) stationary phases, a higher resolving capability was also observed for the separation of toluidine and xylidine isomers.
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Affiliation(s)
- Ruonan Chen
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, Liaoning, P. R. China
| | - Zhiqiang Cai
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, Liaoning, P. R. China
| | - Wei Li
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, Liaoning, P. R. China
| | - Qiuchen Huang
- Liaoning Province Professional and Technical Innovation Center for Fine Chemical Engineering of Aromatics Downstream, School of Petrochemical Engineering, Shenyang University of Technology, Liaoyang, 111003, Liaoning, P. R. China
| | - Donatella Nardiello
- Department of Agriculture, Food, Natural Resource, and Engineering (DAFNE), via Napoli 25, 71122, Foggia, Italy
| | - Maurizio Quinto
- Department of Agriculture, Food, Natural Resource, and Engineering (DAFNE), via Napoli 25, 71122, Foggia, Italy
| | - Xianming Liu
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, Henan, P. R. China
| | - Shaoqiang Hu
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, Henan, P. R. China
| | - Tao Sun
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, Henan, P. R. China
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6
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Zhang XX, Li J, Niu YY. A Review of Crystalline Multibridged Cyclophane Cages: Synthesis, Their Conformational Behavior, and Properties. Molecules 2022; 27:molecules27207083. [PMID: 36296675 PMCID: PMC9607443 DOI: 10.3390/molecules27207083] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/16/2022] [Accepted: 10/17/2022] [Indexed: 11/16/2022] Open
Abstract
This paper reviews the most stable conformation of crystalline three-dimensional cyclophane (CP) achieved by self-assembling based on changing the type of aromatic compound or regulating the type and number of bridging groups. [3n]cyclophanes (CPs) were reported to form supramolecular compounds with bind organic, inorganic anions, or neutral molecules selectively. [3n]cyclophanes ([3n]CPs) have stronger donor capability relative to compound [2n]cyclophanes ([2n]CPs), and it is expected to be a new type of electron donor for the progress of fresh electron conductive materials. The synthesis, conformational behavior, and properties of crystalline multi-bridge rings are summarized and discussed.
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Affiliation(s)
- Xing-Xing Zhang
- Green Catalysis Center, College of Chemistry, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
| | - Jian Li
- College of Ecology and Environment, Zhengzhou University, Zhengzhou 450001, China
| | - Yun-Yin Niu
- Green Catalysis Center, College of Chemistry, Zhengzhou University, No. 100 Science Avenue, Zhengzhou 450001, China
- Correspondence:
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7
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Bonati FC, Secchi A, Cera G. Recent advances with calix[6]- and calix[8]arene organometallic catalysts. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154221] [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]
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8
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Pereira JC, Valente AJ, Söderman O. α-Cyclodextrin affects the acid-base properties of octanoic acid/sodium octanoate. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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9
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Lima CGS, Pauli FP, Madriaga VG, Amaral AAP, Graciano IA, Meira VL, Forezi LDSM, Ferreira VF, Lima TDM, de Carvalho da Silva F. Supramolecular Catalysts for Organic Synthesis: Preparation and Applications of Cyclodextrins and Calixarenes in C‐C Cross‐Coupling Reactions. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200904] [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]
Affiliation(s)
| | | | | | | | | | | | | | - Vitor F. Ferreira
- Universidade Federal Fluminense Departamento de Tecnologia Farmacêutica BRAZIL
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10
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Kraus H, Hansen N. An atomistic view on the uptake of aromatic compounds by cyclodextrin immobilized on mesoporous silica. ADSORPTION 2022. [DOI: 10.1007/s10450-022-00356-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractThe effect of immobilized $$\upbeta$$
β
-cyclodextrin (bCD) molecules inside a mesoporous silica support on the uptake of benzene and p-nitrophenol from aqueous solution was investigated using all-atom molecular dynamics (MD) simulations. The calculated adsorption isotherms are discussed with respect to the free energies of binding for a 1:1 complex of bCD and the aromatic guest molecule. The adsorption capacity of the bCD-containing material significantly exceeds the amount corresponding to a 1:1 binding scenario, in agreement with experimental observations. Beside the formation of 1:2 and, to a lesser extent, 1:3 host:guest complexes, also host–host interactions on the surface as well as more unspecific host–guest interactions govern the adsorption process. The demonstrated feasibility of classical all-atom MD simulations to calculate liquid phase adsorption isotherms paves the way to a molecular interpretation of experimental data that are too complex to be described by empirical models.
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11
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Birds of a Feather—Asymmetric Organocatalysis Meets Asymmetric Transition Metal Catalysis. Catalysts 2022. [DOI: 10.3390/catal12020214] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Abstract
The results of recent studies on the mechanism of stereoinduction in asymmetric hydrogenation catalyzed by transition metal complexes suggest that hydrogen activation by metal atoms and the generation of enantioselectivity by organic ligands proceed independently. Hence, these reactions can be considered as variants of a cooperative organocatalytic reaction. This conclusion opens a broader view on rational catalyst design, suggesting that the structural ideas from different fields can be exploited reciprocally.
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12
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La Manna P, Talotta C, Gaeta C, Cohen Y, Slovak S, Rescifina A, Sala PD, De Rosa M, Soriente A, Neri P. Supramolecular catalysis in confined space: making the pyrogallol[4]arene capsule catalytically active in non-competitive solvent. Org Chem Front 2022. [DOI: 10.1039/d2qo00172a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The confined space inside the hexameric pyrogallol[4]arene capsule (CP6) has been exploited for the catalysis of the 1,3-dipolar cycloaddition (1,3-DC) between the proline-based iminium derivative I and nitrone 3, in the presence of the non-competitive benzene solvent.
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Affiliation(s)
- Pellegrino La Manna
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano (Salerno), Italy
| | - Carmen Talotta
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano (Salerno), Italy
| | - Carmine Gaeta
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano (Salerno), Italy
| | - Yoram Cohen
- School of Chemistry, The Sackler Faculty of Exact Sciences, Tel Aviv University, Ramat Aviv, 69978 Tel Aviv, Israel
| | - Sarit Slovak
- School of Chemistry, The Sackler Faculty of Exact Sciences, Tel Aviv University, Ramat Aviv, 69978 Tel Aviv, Israel
| | - Antonio Rescifina
- Dipartimento di Scienze del Farmaco e della Salute Università di Catania, Viale Andrea Doria 6, I-95125 Catania, Italy
| | - Paolo Della Sala
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano (Salerno), Italy
| | - Margherita De Rosa
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano (Salerno), Italy
| | - Annunziata Soriente
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano (Salerno), Italy
| | - Placido Neri
- Laboratory of Supramolecular Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano (Salerno), Italy
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13
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Luo N, Ao YF, Wang DX, Wang QQ. π-Face Promoted Catalysis in Water: From Electron-deficient Molecular Cages to Single Aromatic Slides. Chem Asian J 2021; 16:3599-3603. [PMID: 34464026 DOI: 10.1002/asia.202100920] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 08/30/2021] [Indexed: 12/13/2022]
Abstract
Exploiting noncovalent π-interactions particularly emerging anion-π interactions to drive efficient catalysis is fascinating. Even with exciting progresses, can anion-π activation operate in water remains elusive. Here we report the design, synthesis and catalytic studies of a class of water-soluble electron-deficient molecular cages and relevant aromatic slide compounds. The prism-like cages contain three divided, long, cationic aromatic walls which constitute three highly electron-deficient V-shape cavities. They were efficiently synthesized in two steps from a parent triformyl cage in gram-scale. Crystal structure showed the π-walls bind to the counter bromide through strong anion-π interactions. Just 5 mol% of cages were effective in catalyzing decarboxylative Aldol reactions of aldehydes and malonic acid half thioesters in water but not in organic solvents, showing a pronounced hydrophobic amplification effect. Meantime, a series of single π-slides resembling the π-wall of the cage performed equally well, while those lacking an extended π-surface were ineffective, highlighting the essential role of electron-deficient π-face on promoting the conversion.
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Affiliation(s)
- Na Luo
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yu-Fei Ao
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - De-Xian Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Qi-Qiang Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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14
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Recognition of Chiral Carboxylates by Synthetic Receptors. Molecules 2021; 26:molecules26216417. [PMID: 34770825 PMCID: PMC8587759 DOI: 10.3390/molecules26216417] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 11/17/2022] Open
Abstract
Recognition of anionic species plays a fundamental role in many essential chemical, biological, and environmental processes. Numerous monographs and review papers on molecular recognition of anions by synthetic receptors reflect the continuing and growing interest in this area of supramolecular chemistry. However, despite the enormous progress made over the last 20 years in the design of these molecules, the design of receptors for chiral anions is much less developed. Chiral recognition is one of the most subtle types of selectivity, and it requires very precise spatial organization of the receptor framework. At the same time, this phenomenon commonly occurs in many processes present in nature, often being their fundamental step. For these reasons, research directed toward understanding the chiral anion recognition phenomenon may lead to the identification of structural patterns that enable increasingly efficient receptor design. In this review, we present the recent progress made in the area of synthetic receptors for biologically relevant chiral carboxylates.
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15
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Joseph V, Levine M. Ronald C.D. Breslow (1931-2017): A career in review. Bioorg Chem 2021; 115:104868. [PMID: 34523507 DOI: 10.1016/j.bioorg.2021.104868] [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: 02/02/2021] [Accepted: 03/23/2021] [Indexed: 11/26/2022]
Abstract
Reviewed herein are key research accomplishments of Professor Ronald Charles D. Breslow (1931-2017) throughout his more than 60 year research career. These accomplishments span a wide range of topics, most notably physical organic chemistry, medicinal chemistry, and bioorganic chemistry. These topics are reviewed, as are topics of molecular electronics and origin of chirality, which combine to make up the bulk of this review. Also reviewed briefly are Breslow's contributions to the broader chemistry profession, including his work for the American Chemical Society and his work promoting gender equity. Throughout the article, efforts are made to put Breslow's accomplishments in the context of other work being done at the time, as well as to include subsequent iterations and elaborations of the research.
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Affiliation(s)
- Vincent Joseph
- Department of Chemical Sciences, Ariel University, Israel
| | - Mindy Levine
- Department of Chemical Sciences, Ariel University, Israel.
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16
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Antipin IS, Alfimov MV, Arslanov VV, Burilov VA, Vatsadze SZ, Voloshin YZ, Volcho KP, Gorbatchuk VV, Gorbunova YG, Gromov SP, Dudkin SV, Zaitsev SY, Zakharova LY, Ziganshin MA, Zolotukhina AV, Kalinina MA, Karakhanov EA, Kashapov RR, Koifman OI, Konovalov AI, Korenev VS, Maksimov AL, Mamardashvili NZ, Mamardashvili GM, Martynov AG, Mustafina AR, Nugmanov RI, Ovsyannikov AS, Padnya PL, Potapov AS, Selektor SL, Sokolov MN, Solovieva SE, Stoikov II, Stuzhin PA, Suslov EV, Ushakov EN, Fedin VP, Fedorenko SV, Fedorova OA, Fedorov YV, Chvalun SN, Tsivadze AY, Shtykov SN, Shurpik DN, Shcherbina MA, Yakimova LS. Functional supramolecular systems: design and applications. RUSSIAN CHEMICAL REVIEWS 2021. [DOI: 10.1070/rcr5011] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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17
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Wati FA, Santoso M, Moussa Z, Fatmawati S, Fadlan A, Judeh ZMA. Chemistry of trisindolines: natural occurrence, synthesis and bioactivity. RSC Adv 2021; 11:25381-25421. [PMID: 35478918 PMCID: PMC9037102 DOI: 10.1039/d1ra03091d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/11/2021] [Indexed: 01/18/2023] Open
Abstract
Heterocyclic nitrogen compounds are privileged structures with many applications in the pharmaceutical and nutraceutical industries since they possess wide bioactivities. Trisindolines are heterocyclic nitrogen compounds consisting of an isatin core bearing two indole moieties. Trisindolines have been synthesized by reacting isatins with indoles using various routes and the yield greatly depends on the catalyst used, reaction conditions, and the substituents on both the isatin and indole moieties. Amongst the synthetic routes, acid-catalyzed condensation reaction between isatins and indoles are the most useful due to high yield, wide scope and short reaction times. Trisindolines are biologically active compounds and show anticancer, antimicrobial, antitubercular, antifungal, anticonvulsant, spermicidal, and antioxidant activities, among others. Trisindolines have not previously been reviewed. Therefore, this review aims to provide a comprehensive account of trisindolines including their natural occurrence, routes of synthesis, and biological activities. It aims to inspire the discovery of lead trisindoline drug candidates for further development. This in-depth review of trisindolines covers their natural occurrence in addition to several routes of synthesis and catalysts used. The biological activities of trisindolines have been discussed with a special emphasis on the structure–activity relationship.![]()
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Affiliation(s)
- First Ambar Wati
- Department of Chemistry, Institut Teknologi Sepuluh Nopember Kampus ITS, Sukolilo Surabaya 60111 Indonesia
| | - Mardi Santoso
- Department of Chemistry, Institut Teknologi Sepuluh Nopember Kampus ITS, Sukolilo Surabaya 60111 Indonesia
| | - Ziad Moussa
- Department of Chemistry, College of Science, United Arab Emirates University P. O. Box 15551 Al Ain United Arab Emirates
| | - Sri Fatmawati
- Department of Chemistry, Institut Teknologi Sepuluh Nopember Kampus ITS, Sukolilo Surabaya 60111 Indonesia
| | - Arif Fadlan
- Department of Chemistry, Institut Teknologi Sepuluh Nopember Kampus ITS, Sukolilo Surabaya 60111 Indonesia
| | - Zaher M A Judeh
- School of Chemical and Biomedical Engineering, Nanyang Technological University 62 Nanyang Drive, N1.2-B1-14 Singapore 637459 Singapore
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18
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Peresypkina E, Grill K, Hiltl B, Virovets AV, Kremer W, Hilgert J, Tremel W, Scheer M. Die Dreikomponenten‐Selbstorganisation ändert ihre Richtung: Ein Sprung von einfachen Polymeren zu 3D‐Netzwerken sphärischer Wirt/Gast‐Aggregate. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103178] [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)
- Eugenia Peresypkina
- Institut für Anorganische Chemie Universität Regensburg 93040 Regensburg Deutschland
| | - Kevin Grill
- Institut für Anorganische Chemie Universität Regensburg 93040 Regensburg Deutschland
| | - Barbara Hiltl
- Institut für Anorganische Chemie Universität Regensburg 93040 Regensburg Deutschland
| | - Alexander V. Virovets
- Institut für Anorganische Chemie Universität Regensburg 93040 Regensburg Deutschland
| | - Werner Kremer
- Institut für Biophysik und Physikalische Biochemie Universität Regensburg 93040 Regensburg Deutschland
| | - Jan Hilgert
- Institut für Anorganische Chemie und Analytische Chemie Universität Mainz 55128 Mainz Deutschland
| | - Wolfgang Tremel
- Institut für Anorganische Chemie und Analytische Chemie Universität Mainz 55128 Mainz Deutschland
| | - Manfred Scheer
- Institut für Anorganische Chemie Universität Regensburg 93040 Regensburg Deutschland
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19
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Peresypkina E, Grill K, Hiltl B, Virovets AV, Kremer W, Hilgert J, Tremel W, Scheer M. Three-Component Self-Assembly Changes its Course: A Leap from Simple Polymers to 3D Networks of Spherical Host-Guest Assemblies. Angew Chem Int Ed Engl 2021; 60:12132-12142. [PMID: 33686782 PMCID: PMC8252601 DOI: 10.1002/anie.202103178] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Indexed: 11/20/2022]
Abstract
One‐pot self‐assembly reactions of the polyphosphorus complex [Cp*Fe(η5‐P5)] (A), a coinage metal salt AgSbF6, and flexible aliphatic dinitriles NC(CH2)xCN (x=1–10) yield 1D, 2D, and 3D coordination polymers. The seven‐membered backbone of the dinitrile was experimentally found as the borderline for the self‐assembly system furnishing products of different kinds. At x<7, various rather simple polymers are exclusively formed possessing either 0D or 1D Ag/A structural motifs connected by dinitrile spacers, while at x≥7, the self‐assembly switches to unprecedented extraordinary 3D networks of nano‐sized host–guest assemblies (SbF6)@[(A)9Ag11]11+ (x=7) or (A)@[(A)12Ag12]12+ (x=8–10) linked by dinitriles. The polycationic nodes represent the first superspheres based on A and silver and are host–guest able. All products are characterized by NMR spectroscopy, mass spectrometry, and single‐crystal X‐ray diffraction. The assemblies [(A)12Ag12]12+ were visualized by transmission electron microscopy.
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Affiliation(s)
- Eugenia Peresypkina
- Institute of Inorganic Chemistry, University of Regensburg, 93040, Regensburg, Germany
| | - Kevin Grill
- Institute of Inorganic Chemistry, University of Regensburg, 93040, Regensburg, Germany
| | - Barbara Hiltl
- Institute of Inorganic Chemistry, University of Regensburg, 93040, Regensburg, Germany
| | - Alexander V Virovets
- Institute of Inorganic Chemistry, University of Regensburg, 93040, Regensburg, Germany
| | - Werner Kremer
- Institute of Biophysics and Physical Biochemistry, University of Regensburg, 93040, Regensburg, Germany
| | - Jan Hilgert
- Institute of Inorganic Chemistry and Analytical Chemistry, University of Mainz, 55128, Mainz, Germany
| | - Wolfgang Tremel
- Institute of Inorganic Chemistry and Analytical Chemistry, University of Mainz, 55128, Mainz, Germany
| | - Manfred Scheer
- Institute of Inorganic Chemistry, University of Regensburg, 93040, Regensburg, Germany
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20
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A Review on Recent Progress of Glycan-Based Surfactant Micelles as Nanoreactor Systems for Chemical Synthesis Applications. POLYSACCHARIDES 2021. [DOI: 10.3390/polysaccharides2010012] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The nanoreactor concept and its application as a modality to carry out chemical reactions in confined and compartmentalized structures continues to receive increasing attention. Micelle-based nanoreactors derived from various classes of surfactant demonstrate outstanding potential for chemical synthesis. Polysaccharide (glycan-based) surfactants are an emerging class of biodegradable, non-toxic, and sustainable alternatives over conventional surfactant systems. The unique structure of glycan-based surfactants and their micellar structures provide a nanoenvironment that differs from that of the bulk solution, and supported by chemical reactions with uniquely different reaction rates and mechanisms. In this review, the aggregation of glycan-based surfactants to afford micelles and their utility for the synthesis of selected classes of reactions by the nanoreactor technique is discussed. Glycan-based surfactants are ecofriendly and promising surfactants over conventional synthetic analogues. This contribution aims to highlight recent developments in the field of glycan-based surfactants that are relevant to nanoreactors, along with future opportunities for research. In turn, coverage of research for glycan-based surfactants in nanoreactor assemblies with tailored volume and functionality is anticipated to motivate advanced research for the synthesis of diverse chemical species.
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21
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Cera G, Cester Bonati F, Bazzoni M, Secchi A, Arduini A. Calix[6]arene-based Brønsted acids for molecular recognition and catalysis. Org Biomol Chem 2021; 19:1546-1554. [PMID: 33503105 DOI: 10.1039/d0ob02393k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report the synthesis of a versatile trifluoromethylsulfonamide calix[6]arene derivative with Brønsted acid features which can influence both molecular recognition and catalytic application. Indeed, in low polarity media, the trifluoromethyl-containing supramolecular wheel is able to respond to the complexation with charged species as a function of its selective ion-pair recognition. In parallel, the enhanced acidity is the key to promote Michael additions of indoles to nitroalkenes under pseudo-physiological reaction conditions (H2O, 37 °C).
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Affiliation(s)
- Gianpiero Cera
- Università di Parma, Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Federica Cester Bonati
- Università di Parma, Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Margherita Bazzoni
- Università di Parma, Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Andrea Secchi
- Università di Parma, Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Arturo Arduini
- Università di Parma, Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
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22
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Fierro A, García-Río L, Arancibia-Opazo S, Alcázar JJ, Santos JG, Aliaga ME. Cucurbit[7]uril as a Supramolecular Catalyst in Base-Catalyzed Reactions. Experimental and Theoretical Studies on Carbonate and Thiocarbonate Hydrolysis Reactions. J Org Chem 2021; 86:2023-2027. [PMID: 33373222 DOI: 10.1021/acs.joc.0c02728] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Cucurbit[7]uril (CB7) catalyzes the hydrolysis reaction of bis(4-nitrophenyl)carbonate (1) but inhibits that of bis(4-nitrophenyl)thiocarbonate (2). Two relevant CB7 effects are proposed, a base-catalyst mediated by the CB7 portal and an inhibitory role attributed to the lower interaction of the thiocarbonyl group with the solvent in the host cavity, respectively.
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Affiliation(s)
- Angélica Fierro
- Organic Department, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860 Santiago, Chile
| | - Luis García-Río
- Departamento de Química Física, Centro de Investigación en Química Biológica y Materiales Moleculares (CIQUS), Universidad de Santiago, 15782 Santiago, Spain
| | - Sandra Arancibia-Opazo
- Organic Department, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860 Santiago, Chile
| | - Jackson J Alcázar
- Physical Chemistry Department, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860 Santiago, Chile
| | - José G Santos
- Physical Chemistry Department, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860 Santiago, Chile
| | - Margarita E Aliaga
- Physical Chemistry Department, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna, 4860 Santiago, Chile
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23
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De Rosa M, Verdino A, Soriente A, Marabotti A. The Odd Couple(s): An Overview of Beta-Lactam Antibiotics Bearing More Than One Pharmacophoric Group. Int J Mol Sci 2021; 22:E617. [PMID: 33435500 PMCID: PMC7826672 DOI: 10.3390/ijms22020617] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 01/15/2023] Open
Abstract
β-lactam antibiotics are among the most important and widely used antimicrobials worldwide and are comprised of a large family of compounds, obtained by chemical modifications of the common scaffolds. Usually these modifications include the addition of active groups, but less frequently, molecules were synthesized in which either two β-lactam rings were joined to create a single bifunctional compound, or the azetidinone ring was joined to another antibiotic scaffold or another molecule with a different activity, in order to create a molecule bearing two different pharmacophoric functions. In this review, we report some examples of these derivatives, highlighting their biological properties and discussing how this strategy can lead to the development of innovative antibiotics that can represent either novel weapons against the rampant increase of antimicrobial resistance, or molecules with a broader spectrum of action.
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Affiliation(s)
- Margherita De Rosa
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, 84084 Fisciano (SA), Italy; (A.V.); (A.S.)
| | | | | | - Anna Marabotti
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, 84084 Fisciano (SA), Italy; (A.V.); (A.S.)
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24
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Dai X, Jin XY, Ge Q, Zhao J, Liu M, Cong H, Tao Z, Jiang N. Supramolecular electrocatalysis of a highly efficient oxygen evolution reaction with cucurbit[6]uril. NEW J CHEM 2021. [DOI: 10.1039/d1nj04920h] [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
A supramolecular ternary electrocatalyst, fabricated via the stepwise-coating of polypyrrole, rGO and cucurbit[6]uril, was developed for highly efficient oxygen evolution reaction with full electrochemical performance.
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Affiliation(s)
- Xin Dai
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Xian-Yi Jin
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Qingmei Ge
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Jie Zhao
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Mao Liu
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Hang Cong
- Enterprise Technology Center of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Nan Jiang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
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25
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Molnár Á. Synthetic Application of Cyclodextrins in Combination with Metal Ions, Complexes, and Metal Particles. ChemCatChem 2020. [DOI: 10.1002/cctc.202001610] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Árpád Molnár
- Department of Organic Chemistry University of Szeged Dóm tér 8 6720 Szeged Hungary
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26
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Ghattas W, Mahy JP, Réglier M, Simaan AJ. Artificial Enzymes for Diels-Alder Reactions. Chembiochem 2020; 22:443-459. [PMID: 32852088 DOI: 10.1002/cbic.202000316] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/17/2020] [Indexed: 12/13/2022]
Abstract
The Diels-Alder (DA) reaction is a cycloaddition of a conjugated diene and an alkene (dienophile) leading to the formation of a cyclohexene derivative through a concerted mechanism. As DA reactions generally proceed with a high degree of regio- and stereoselectivity, they are widely used in synthetic organic chemistry. Considering eco-conscious public and governmental movements, efforts are now directed towards the development of synthetic processes that meet environmental concerns. Artificial enzymes, which can be developed to catalyze abiotic reactions, appear to be important synthetic tools in the synthetic biology field. This review describes the different strategies used to develop protein-based artificial enzymes for DA reactions, including for in cellulo approaches.
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Affiliation(s)
- Wadih Ghattas
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 CNRS, Université Paris Sud, Université Paris-Saclay, Orsay, 91405 Cedex 8, France
| | - Jean-Pierre Mahy
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), UMR 8182 CNRS, Université Paris Sud, Université Paris-Saclay, Orsay, 91405 Cedex 8, France
| | - Marius Réglier
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Avenue Escadrille Normandie Niemen, Service 342, Marseille, 13397, France
| | - A Jalila Simaan
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Avenue Escadrille Normandie Niemen, Service 342, Marseille, 13397, France
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27
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Tailor YK, Khandelwal S, Verma K, Gopal R, Kumar M. Multicomponent synthesis of dispiroheterocycles using a magnetically separable and reusable heterogeneous catalyst. RSC Adv 2020; 10:36713-36722. [PMID: 35517964 PMCID: PMC9057058 DOI: 10.1039/d0ra06676a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 09/22/2020] [Indexed: 01/10/2023] Open
Abstract
Dispiroheterocycles have been synthesized by pseudo-four component reaction of 6-aminouracil/6-amino-2-thiouracil/2-amino-1,3,4-thiadiazole, p-toluidine and isatins in an ethanol-water mixture as solvent using β-cyclodextrin functionalized Fe3O4 nanoparticles as a magnetically separable and reusable heterogeneous catalyst. The nanocatalyst was synthesized and characterized by physicochemical characterization including Fourier-transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD).
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Affiliation(s)
- Yogesh Kumar Tailor
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Sarita Khandelwal
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Kanchan Verma
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Ram Gopal
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
| | - Mahendra Kumar
- Department of Chemistry, University of Rajasthan Jaipur India +91-0141-2702720
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28
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Giomi D, Ceccarelli J, Salvini A, Brandi A. Organocatalytic Reduction of Nitroarenes with Phenyl(2‐quinolyl)methanol. ChemistrySelect 2020. [DOI: 10.1002/slct.202003234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Donatella Giomi
- Dipartimento di Chimica ‘Ugo Schiff' Università degli Studi di Firenze Via della Lastruccia 3–13 I-50019 Sesto Fiorentino (Fi) Italy
| | - Jacopo Ceccarelli
- Dipartimento di Chimica ‘Ugo Schiff' Università degli Studi di Firenze Via della Lastruccia 3–13 I-50019 Sesto Fiorentino (Fi) Italy
| | - Antonella Salvini
- Dipartimento di Chimica ‘Ugo Schiff' Università degli Studi di Firenze Via della Lastruccia 3–13 I-50019 Sesto Fiorentino (Fi) Italy
| | - Alberto Brandi
- Dipartimento di Chimica ‘Ugo Schiff' Università degli Studi di Firenze Via della Lastruccia 3–13 I-50019 Sesto Fiorentino (Fi) Italy
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29
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Levine M, Smith BR. Enhanced Characterization of Pyrene Binding in Mixed Cyclodextrin Systems via Fluorescence Spectroscopy. J Fluoresc 2020; 30:1015-1023. [PMID: 32607736 DOI: 10.1007/s10895-020-02572-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Accepted: 06/23/2020] [Indexed: 01/06/2023]
Abstract
Although significant effort has been expended to analyze the binding of pyrene in β-cyclodextrin and γ-cyclodextrin, little has been published on the binding of this guest in β-cyclodextrin derivatives (methyl-β-cyclodextrin and 2-hydroxypropyl-β-cyclodextrin) or in mixtures of such derivatives, despite the fact that these derivatives are known to have different supramolecular properties that facilitate unique modes of complexation. Reported herein is a detailed spectroscopic investigation of the binding of pyrene in β-cyclodextrin derivatives and in binary mixtures of cyclodextrins. Py values, defined as the ratio of representative vibronic bands in the fluorescence emission of pyrene, were used to measure changes in the pyrene microenvironment in the presence of the cyclodextrin hosts, and indicated that unmodified β-cyclodextrin is unique in providing a fully hydrophobic environment for pyrene through the use of two cyclodextrins to bind a single pyrene guest. By comparison, both γ-cyclodextrin and modified β-cyclodextrin analogues bind pyrene in a less hydrophobic environment through 1:1 binding stoichiometries that allow for continued interactions between the incompletely encapsulated pyrene guest and the aqueous solvent system. Binary mixtures of cyclodextrins were also explored and reinforce the unique properties of the unmodified β-cyclodextrin host. Graphical Abstract The unique binding geometries of pyrene in beta-cyclodextrin and its derivatives leads to measurable fluorescence emission signals, whose information can be used to elucidate the highly structurally dependent binding geometries and stoichiometries.
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30
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Kamanna K, Khatavi SY. Microwave-accelerated Carbon-carbon and Carbon-heteroatom Bond Formation via Multi-component Reactions: A Brief Overview. CURRENT MICROWAVE CHEMISTRY 2020. [DOI: 10.2174/2213346107666200218124147] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Multi-Component Reactions (MCRs) have emerged as an excellent tool in organic chemistry
for the synthesis of various bioactive molecules. Among these, one-pot MCRs are included, in
which organic reactants react with domino in a single-step process. This has become an alternative
platform for the organic chemists, because of their simple operation, less purification methods, no side
product and faster reaction time. One of the important applications of the MCRs can be drawn in carbon-
carbon (C-C) and carbon-heteroatom (C-X; X = N, O, S) bond formation, which is extensively
used by the organic chemists to generate bioactive or useful material synthesis. Some of the key carbon-
carbon bond forming reactions are Grignard, Wittig, Enolate alkylation, Aldol, Claisen condensation,
Michael and more organic reactions. Alternatively, carbon-heteroatoms containing C-N, C-O,
and C-S bond are also found more important and present in various heterocyclic compounds, which
are of biological, pharmaceutical, and material interest. Thus, there is a clear scope for the discovery
and development of cleaner reaction, faster reaction rate, atom economy and efficient one-pot synthesis
for sustainable production of diverse and structurally complex organic molecules. Reactions that
required hours to run completely in a conventional method can now be carried out within minutes.
Thus, the application of microwave (MW) radiation in organic synthesis has become more promising
considerable amount in resource-friendly and eco-friendly processes. The technique of microwaveassisted
organic synthesis (MAOS) has successfully been employed in various material syntheses,
such as transition metal-catalyzed cross-coupling, dipolar cycloaddition reaction, biomolecule synthesis,
polymer formation, and the nanoparticle synthesis. The application of the microwave-technique in
carbon-carbon and carbon-heteroatom bond formations via MCRs with major reported literature examples
are discussed in this review.
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Affiliation(s)
- Kantharaju Kamanna
- Department of Chemistry, Peptide, and Medicinal Chemistry Research Laboratory, Rani Channamma University, P-B, NH-4, Belagavi-591156, Karnataka, India
| | - Santosh Y. Khatavi
- Department of Chemistry, Peptide, and Medicinal Chemistry Research Laboratory, Rani Channamma University, P-B, NH-4, Belagavi-591156, Karnataka, India
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31
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Kanagaraj K, Liang W, Rao M, Yao J, Wu W, Cheng G, Ji J, Wei X, Peng C, Yang C. pH-Controlled Chirality Inversion in Enantiodifferentiating Photocyclodimerization of 2-Antharacenecarboxylic Acid Mediated by γ-Cyclodextrin Derivatives. Org Lett 2020; 22:5273-5278. [PMID: 32418431 DOI: 10.1021/acs.orglett.0c01194] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Several γ-cyclodextrin (γ-CDx) derivatives were used as chiral hosts for the photocyclodimerization of 2-anthracenecarboxylic acid (AC). The effect of pH on photoreactivity and stereochemical outcome of photoproducts was investigated. Upon changing the solution pH, the stereochemical outcome of HH cyclodimer 3 was inverted from 25.2% to -64.4% and 41.2% to -76.2%, respectively, in the photocyclodimerization of AC mediated by bis-quinoline-modified γ-CDx 7 and its N-methylated derivative 8.
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Affiliation(s)
- Kuppusamy Kanagaraj
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Wenting Liang
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China.,Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Ming Rao
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Jiabin Yao
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Wanhua Wu
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Guo Cheng
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Jiecheng Ji
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Xueqin Wei
- School of Pharmacy, Guangxi Medical University, Nanning 530021, China
| | - Chao Peng
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
| | - Cheng Yang
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610064, China
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32
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Kauerhof D, Niemeyer J. Functionalized Macrocycles in Supramolecular Organocatalysis. Chempluschem 2020; 85:889-899. [PMID: 32391655 DOI: 10.1002/cplu.202000152] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 04/26/2020] [Indexed: 01/18/2023]
Abstract
Supramolecular organocatalysis has emerged as a novel research field in the context of homogeneous catalysis. In particular, the use of functionalized macrocycles as supramolecular catalysts is highly promising, as these systems are oftentimes easily accessible and offer distinct advantages in catalysis. Macrocyclic catalysts can provide defined binding pockets, such as hydrophobic cavities, and can thus create a reaction microenvironment for catalysis. In addition, macrocycles can offer a preorganized arrangement of functional groups, such as binding sites or catalytically active groups, thus enabling a defined and possibly multivalent binding and activation of substrates. The aim of this Minireview is to provide an overview of recent advances in the area of supramolecular organocatalysis based on functionalized macrocycles (including cyclodextrins, calixarenes, and resorcinarenes), with a focus on those examples where certain catalytically active groups (such as hydrogen bond donors/acceptors, Brønsted acid or base groups, or nucleophilic units) are present in or have been installed on the macrocycles.
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Affiliation(s)
- Dana Kauerhof
- Faculty of Chemistry (Organic Chemistry) and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstr. 7, 45141, Essen, Germany
| | - Jochen Niemeyer
- Faculty of Chemistry (Organic Chemistry) and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstr. 7, 45141, Essen, Germany
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33
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Ahmed AAM, Mekky AEM, Elwahy AHM, Sanad SMH. Facile synthesis and characterization of novel benzo-fused macrocyclic dicarbonitriles and pyrazolo-fused macrocycles containing thiazole subunits. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2019.1689269] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ahmed A. M. Ahmed
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
- Preparatory Year Deanship, Jouf University, Sakaka, Kingdom of Saudi Arabia
| | - Ahmed E. M. Mekky
- Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt
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Sarkar P, Sarkar S, Ghosh P. A heteroditopic macrocycle as organocatalytic nanoreactor for pyrroloacridinone synthesis in water. Beilstein J Org Chem 2019; 15:1505-1514. [PMID: 31354868 PMCID: PMC6632221 DOI: 10.3762/bjoc.15.152] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 06/25/2019] [Indexed: 12/13/2022] Open
Abstract
A heteroditopic macrocycle is reported as an efficient organocatalytic nanoreactor for the synthesis of diversely functionalized pyrroloacridinones in aqueous medium. A library of compounds was synthesized in a one-step pathway utilizing 10 mol % of the nanoreactor following a sustainable methodology in water with high yields.
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Affiliation(s)
- Piyali Sarkar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S.C Mullick Road, Kolkata-700032, India
| | - Sayan Sarkar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S.C Mullick Road, Kolkata-700032, India
| | - Pradyut Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S.C Mullick Road, Kolkata-700032, India
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36
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Tichá IC, Hybelbauerová S, Jindřich J. New α- and β-cyclodextrin derivatives with cinchona alkaloids used in asymmetric organocatalytic reactions. Beilstein J Org Chem 2019; 15:830-839. [PMID: 31019575 PMCID: PMC6466772 DOI: 10.3762/bjoc.15.80] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 03/12/2019] [Indexed: 11/24/2022] Open
Abstract
The preparation of new organocatalysts for asymmetric syntheses has become a key stage of enantioselective catalysis. In particular, the development of new cyclodextrin (CD)-based organocatalysts allowed to perform enantioselective reactions in water and to recycle catalysts. However, only a limited number of organocatalytic moieties and functional groups have been attached to CD scaffolds so far. Cinchona alkaloids are commonly used to catalyze a wide range of enantioselective reactions. Thus, in this study, we report the preparation of new α- and β-CD derivatives monosubstituted with cinchona alkaloids (cinchonine, cinchonidine, quinine and quinidine) on the primary rim through a CuAAC click reaction. Subsequently, permethylated analogs of these cinchona alkaloid-CD derivatives also were synthesized and the catalytic activity of all derivatives was evaluated in several enantioselective reactions, specifically in the asymmetric allylic amination (AAA), which showed a promising enantiomeric excess of up to 75% ee. Furthermore, a new disubstituted α-CD catalyst was prepared as a pure AD regioisomer and also tested in the AAA. Our results indicate that (i) the cinchona alkaloid moiety can be successfully attached to CD scaffolds through a CuAAC reaction, (ii) the permethylated cinchona alkaloid-CD catalysts showed better results than the non-methylated CDs analogues in the AAA reaction, (iii) promising enantiomeric excesses are achieved, and (iv) the disubstituted CD derivatives performed similarly to monosubstituted CDs. Therefore, these new CD derivatives with cinchona alkaloids effectively catalyze asymmetric allylic aminations and have the potential to be successfully applied in other enantioselective reactions.
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Affiliation(s)
- Iveta Chena Tichá
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Simona Hybelbauerová
- Department of Teaching and Didactics of Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43, Prague 2, Czech Republic
| | - Jindřich Jindřich
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 8, 128 43, Prague 2, Czech Republic
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Kisszekelyi P, Alammar A, Kupai J, Huszthy P, Barabas J, Holtzl T, Szente L, Bawn C, Adams R, Szekely G. Asymmetric synthesis with cinchona-decorated cyclodextrin in a continuous-flow membrane reactor. J Catal 2019. [DOI: 10.1016/j.jcat.2019.01.041] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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38
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Zhao LL, Yang XS, Chong H, Wang Y, Yan CG. Multi-point interaction-based recognition of fluoride ions by tert-butyldihomooxacalix[4]arenes bearing phenolic hydroxyls and thiourea. NEW J CHEM 2019. [DOI: 10.1039/c8nj06333h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A series of p-tert-butyldihomooxacalix[4]arenes bearing phenolic hydroxyls and thiourea moieties were prepared to investigate their anion binding behavior.
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Affiliation(s)
- Ling-Ling Zhao
- School of Chemistry & Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- China
| | - Xiao-Song Yang
- School of Chemistry & Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- China
| | - Hui Chong
- School of Chemistry & Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- China
| | - Yang Wang
- School of Chemistry & Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- China
| | - Chao-Guo Yan
- School of Chemistry & Chemical Engineering
- Yangzhou University
- Yangzhou 225002
- China
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Floresta G, Rescifina A. Metyrapone-β-cyclodextrin supramolecular interactions inferred by complementary spectroscopic/spectrometric and computational studies. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.09.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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40
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Bouzayani N, Marque S, Kacem Y, Kraïem J, Bourdreux F, Marrot J, Ben Hassine B. Chiral arylideneaminoimidazolidin-4-ones: green synthesis and isomerisation mechanism in solution. NEW J CHEM 2019. [DOI: 10.1039/c9nj00022d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Arylideneaminoimidazolidin-4-ones synthesized from (l)-α-amino acid via a full green procedure in water (atom economy 91.7% and E-factor 0.09) have been investigated by NMR spectroscopies and DFT calculations, highlighting a development of the species according to an isomerization mechanism.
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Affiliation(s)
- Nadia Bouzayani
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène
- (UR 11ES56) Université de Monastir
- Faculté des Sciences de Monastir
- avenue de l’environnement
- Monastir 5000
| | - Sylvain Marque
- Université de Versailles
- Saint-Quentin-en-Yvelines
- Institut Lavoisier de Versailles (ILV)
- UMR CNRS 8180
- 45 avenue des Etats-Unis
| | - Yakdhane Kacem
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène
- (UR 11ES56) Université de Monastir
- Faculté des Sciences de Monastir
- avenue de l’environnement
- Monastir 5000
| | - Jamil Kraïem
- Laboratoire de Développement Chimique
- Galénique et Pharmacologique des Médicaments
- Faculté de Pharmacie de Monastir
- Université de Monastir, Rue Avicenne
- 5000 Monastir
| | - Flavien Bourdreux
- Université de Versailles
- Saint-Quentin-en-Yvelines
- Institut Lavoisier de Versailles (ILV)
- UMR CNRS 8180
- 45 avenue des Etats-Unis
| | - Jérôme Marrot
- Université de Versailles
- Saint-Quentin-en-Yvelines
- Institut Lavoisier de Versailles (ILV)
- UMR CNRS 8180
- 45 avenue des Etats-Unis
| | - Béchir Ben Hassine
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène
- (UR 11ES56) Université de Monastir
- Faculté des Sciences de Monastir
- avenue de l’environnement
- Monastir 5000
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Long A, Lefevre S, Guy L, Robert V, Dutasta JP, Chevallier ML, Della-Negra O, Saaidi PL, Martinez A. Recognition of the persistent organic pollutant chlordecone by a hemicryptophane cage. NEW J CHEM 2019. [DOI: 10.1039/c9nj01674k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Two molecular cages have been tested as receptors for the persistent organic pollutant chlordecone.
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Affiliation(s)
- Augustin Long
- Aix Marseille Univ
- CNRS
- Centrale Marseille
- iSm2
- Marseille
| | - Sara Lefevre
- Laboratoire de Chimie
- École Normale Supérieure de Lyon
- CNRS
- UCBL
- F-69364 Lyon
| | - Laure Guy
- Laboratoire de Chimie
- École Normale Supérieure de Lyon
- CNRS
- UCBL
- F-69364 Lyon
| | - Vincent Robert
- Laboratoire de Chimie Quantique Institut de Chimie
- UMR CNRS 7177
- Université de Strasbourg
- 4, rue Blaise Pascal
- F-67070 Strasbourg
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Oligosaccharide Assisted Approach: An Efficient and Facile Access to Isochromeno [4,3-b] Indoles Derivatives in the Presence of Beta Cyclodextrin. Catal Letters 2018. [DOI: 10.1007/s10562-018-2592-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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