1
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Hu J, Volker B, Bogar M. Selective fluorescence sensors for Cu 2+ and Hg 2+ ions using acridinium-polymer complexes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 326:125220. [PMID: 39357251 DOI: 10.1016/j.saa.2024.125220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2024] [Revised: 09/14/2024] [Accepted: 09/25/2024] [Indexed: 10/04/2024]
Abstract
The photophysical properties of two acridinium derivatives, 9-phenyl-10-methylacridinium (Ph-Arc+) and 9-mesityl-10-methyl acridinium (Mes-Acr+) were investigated in aqueous solutions of poly(methacrylic acids) (PMAA) at various pH values with various polymer to dye (R/D) ratios. In acidic conditions, PMAA effectively turned on the emission of both acridinium derivatives. Micromolar concentrations of copper (II) ions can selectively turn off the emission of dye/PMAA mixtures with a linear response range from 0.50 to 10.0 µM and a detection limit as low as 0.38 µM. In near neutral conditions, Mes-Acr+ in PMAA solutions displayed extremely weak emission. However, trace amounts of Hg2+ ions can instantly turn on the emission with a low detection limit of 43.6 nM and a linear range between 1.0 to 10.0 µM. This analytical method is fast, cost-effective, and environmentally friendly, as it is conducted in 100 % aqueous solution with commercial acridinium derivatives and a biocompatible polymer.
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Affiliation(s)
- Jingqiu Hu
- West Chester University of Pennsylvania, 700 South High Street, West Chester, PA 19383, United States.
| | - Bryce Volker
- West Chester University of Pennsylvania, 700 South High Street, West Chester, PA 19383, United States
| | - Maima Bogar
- West Chester University of Pennsylvania, 700 South High Street, West Chester, PA 19383, United States
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2
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Hu J, Launay JP, Chaumont A, Heitz V, Jacquot de Rouville HP. Self-Assembled Bis-Acridinium Tweezer Equilibria Controlled by Multi-Responsive Properties. Chemistry 2024; 30:e202401866. [PMID: 38780863 DOI: 10.1002/chem.202401866] [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: 05/13/2024] [Revised: 05/23/2024] [Accepted: 05/23/2024] [Indexed: 05/25/2024]
Abstract
Protonated and methylated bis-acridinium tweezers built around a 2,6-diphenylpyridyl and an electron enriched 2,6-di(p-anisyl)pyridyl spacer have been synthesized. These tweezers can self-assemble in their corresponding homodimers and the associated thermodynamic parameters have been probed in organic solvents. The switching properties of the tweezers have been exploited in biphasic transfer experiments showing the shift of the equilibria towards the homodimers. Moreover, the thermodynamic parameters of the formation of the reduced methylated homodimers investigated by electrochemical experiments revealed the dissociation of the dimers. Thus, in addition to solvent and temperature, the pH and redox responsiveness of the acridinium units of the tweezers make it possible to modulate to a larger extent the monomer-dimer equilibria.
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Affiliation(s)
- Johnny Hu
- LSAMM, Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4, rue Blaise Pascal, 67000, Strasbourg, France
| | - Jean-Pierre Launay
- CEMES-CNRS, Université de Toulouse, 29 rue Jeanne Marvig, 31055, Toulouse, France
| | - Alain Chaumont
- Chimie de la Matière Complexe, CNRS UMR 7140, Université de Strasbourg, 4, rue Blaise Pascal, 67000, Strasbourg, France
| | - Valérie Heitz
- LSAMM, Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4, rue Blaise Pascal, 67000, Strasbourg, France
| | - Henri-Pierre Jacquot de Rouville
- LSAMM, Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4, rue Blaise Pascal, 67000, Strasbourg, France
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3
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Msellem P, Dekthiarenko M, Hadj Seyd N, Vives G. Switchable molecular tweezers: design and applications. Beilstein J Org Chem 2024; 20:504-539. [PMID: 38440175 PMCID: PMC10910529 DOI: 10.3762/bjoc.20.45] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 02/12/2024] [Indexed: 03/06/2024] Open
Abstract
Switchable molecular tweezers are a unique class of molecular switches that, like their macroscopic analogs, exhibit mechanical motion between an open and closed conformation in response to stimuli. Such systems constitute an essential component of artificial molecular machines. This review will present selected examples of switchable molecular tweezers and their potential applications. The first part will be devoted to chemically responsive tweezers, including stimuli such as pH, metal coordination, and anion binding. Then, redox-active and photochemical tweezers will be presented.
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Affiliation(s)
- Pablo Msellem
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire, 4 place Jussieu, 75005, Paris, France
| | - Maksym Dekthiarenko
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire, 4 place Jussieu, 75005, Paris, France
| | - Nihal Hadj Seyd
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire, 4 place Jussieu, 75005, Paris, France
| | - Guillaume Vives
- Sorbonne Université, UMR CNRS 8232, Institut Parisien de Chimie Moléculaire, 4 place Jussieu, 75005, Paris, France
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4
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Edo-Osagie A, Serillon D, Ruani F, Barril X, Gourlaouen C, Armaroli N, Ventura B, Jacquot de Rouville HP, Heitz V. Multi-Responsive Eight-State Bis(acridinium-Zn(II) porphyrin) Receptor. J Am Chem Soc 2023; 145:10691-10699. [PMID: 37154483 DOI: 10.1021/jacs.3c01089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
A multi-responsive receptor consisting of two (acridinium-Zn(II) porphyrin) conjugates has been designed. The binding constant between this receptor and a ditopic guest has been modulated (i) upon addition of nucleophiles converting acridinium moieties into the non-aromatic acridane derivatives and (ii) upon oxidation of the porphyrin units. A total of eight states has been probed for this receptor resulting from the cascade of the recognition and responsive events. Moreover, the acridinium/acridane conversion leads to a significant change of the photophysical properties, switching from electron to energy transfer processes. Interestingly, for the bis(acridinium-Zn(II) porphyrin) receptor, charge-transfer luminescence in the near-infrared has been observed.
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Affiliation(s)
- Amy Edo-Osagie
- Laboratoire de Synthèse des Assemblages Moléculaires Multifonctionnels, Institut de Chimie de Strasbourg, CNRS/UMR 7177, 4, rue Blaise Pascal, 67000 Strasbourg, France
| | - Dylan Serillon
- Departament de Farmacia i Tecnología Farmaceutica, i Fisicoquímica, Institut de Biomedicina (IBUB), Universitat de Barcelona, Av. Joan XXIII, 27-31, E-08028 Barcelona, Spain
| | - Federica Ruani
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, Bologna 40129, Italy
| | - Xavier Barril
- Departament de Farmacia i Tecnología Farmaceutica, i Fisicoquímica, Institut de Biomedicina (IBUB), Universitat de Barcelona, Av. Joan XXIII, 27-31, E-08028 Barcelona, Spain
- Catalan Institution for Research and Advanced Studies (ICREA), Passeig Lluís Companys 23, Barcelona 08010, Spain
| | - Christophe Gourlaouen
- Laboratoire de Chimie Quantique, Institut de Chimie de Strasbourg, CNRS/UMR 7177, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Nicola Armaroli
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, Bologna 40129, Italy
| | - Barbara Ventura
- Istituto per la Sintesi Organica e la Fotoreattività (ISOF), Consiglio Nazionale delle Ricerche (CNR), Via P. Gobetti 101, Bologna 40129, Italy
| | - Henri-Pierre Jacquot de Rouville
- Laboratoire de Synthèse des Assemblages Moléculaires Multifonctionnels, Institut de Chimie de Strasbourg, CNRS/UMR 7177, 4, rue Blaise Pascal, 67000 Strasbourg, France
| | - Valérie Heitz
- Laboratoire de Synthèse des Assemblages Moléculaires Multifonctionnels, Institut de Chimie de Strasbourg, CNRS/UMR 7177, 4, rue Blaise Pascal, 67000 Strasbourg, France
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5
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Hu J, Adrouche S, Gauthier ES, Le Breton N, Cecchini M, Gourlaouen C, Choua S, Heitz V, Jacquot de Rouville H. Dual-Readout of the Mechanical Response of a Bis-acridinium [2]Rotaxane. Chemistry 2022; 28:e202202840. [PMID: 36305314 PMCID: PMC10100127 DOI: 10.1002/chem.202202840] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Indexed: 11/06/2022]
Abstract
A [2]rotaxane built around a multi-responsive bis-acridinium macrocycle has been synthesized. Structural investigation has confirmed the interlocked nature of the molecule, and MD simulations illuminated its conformational dynamics with atomic resolution. Both halochromic and redox-switching properties were explored to shed light on the mechanical response and electronic changes that occur in the bis-acridinium [2]rotaxane. The topology of the rotaxane led to different mechanical behaviors upon addition of hydroxide ions or reduction that were easily detected by UV/Vis spectroscopy and electrochemistry.
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Affiliation(s)
- Johnny Hu
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
| | - Sonia Adrouche
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
| | - Etienne S. Gauthier
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
| | - Nolwenn Le Breton
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
| | - Marco Cecchini
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
| | - Christophe Gourlaouen
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
| | - Sylvie Choua
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
| | - Valérie Heitz
- Institut de Chimie de StrasbourgLSAMMPOMAM, LCQ and IFM Research Groups CNRS UMR 71774, rue Blaise Pascal67000StrasbourgFrance
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6
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Smith K, Mu X, Li Z, Woodhead JS, El‐Hiti GA. Preparation of a novel group of chemiluminescent
N
‐substituted acridinium esters. LUMINESCENCE 2022; 37:1982-1990. [DOI: 10.1002/bio.4385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/10/2022] [Accepted: 09/10/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Keith Smith
- School of Chemistry, Cardiff University Main Building, Park Place Cardiff UK
- Chemistry Department University of Wales Swansea Swansea UK
| | - Xiaojing Mu
- Chemistry Department University of Wales Swansea Swansea UK
| | - Zhaoqiang Li
- Chemistry Department University of Wales Swansea Swansea UK
| | | | - Gamal A. El‐Hiti
- Cornea Research Chair, Department of Optometry, College of Applied Medical Sciences King Saud University Riyadh Saudi Arabia
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7
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Gryaznova TV, Nikanshina EO, Fayzullin RR, Islamov DR, Tarasov MV, Kholin KV, Budnikova YH. EPR-electrochemical monitoring of P–C coupling: Towards one-step electrochemical phosphorylation of acridine. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Cao YX, Zhu G, Li Y, Le Breton N, Gourlaouen C, Choua S, Boixel J, Jacquot de Rouville HP, Soulé JF. Photoinduced Arylation of Acridinium Salts: Tunable Photoredox Catalysts for C-O Bond Cleavage. J Am Chem Soc 2022; 144:5902-5909. [PMID: 35316065 DOI: 10.1021/jacs.1c12961] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A photoinduced arylation of N-substituted acridinium salts has been developed and has exhibited a high functional group tolerance (e.g., halogen, nitrile, ketone, ester, and nitro). A broad range of well-decorated C9-arylated acridinium-based catalysts with fine-tuned photophysical and photochemical properties, namely, excited-state lifetimes and redox potentials have been synthetized in a one-step procedure. These functionalized acridinium salts were later evaluated in the photoredox-catalyzed fragmentation of 1,2-diol derivatives (lignin models). Among them, 2-bromophenyl substituted N-methyl acridinium has outperformed all photoredox catalysts, including commercial Fukuzumi's catalyst, for the selective CβO-Ar bond cleavage of diol monoarylethers to afford 1,2-diols in good yields.
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Affiliation(s)
- Yi-Xuan Cao
- Univ Rennes, CNRS, UMR 6226, F-3500 Rennes, France
| | - Gan Zhu
- Univ Rennes, CNRS, UMR 6226, F-3500 Rennes, France.,Department of Chemistry, Jinan University, 511443 Guangzhou, China
| | - Yiqun Li
- Department of Chemistry, Jinan University, 511443 Guangzhou, China
| | - Nolwenn Le Breton
- Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Christophe Gourlaouen
- Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Sylvie Choua
- Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
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9
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Edo-Osagie A, Sánchez-Resa D, Serillon D, Bandini E, Gourlaouen C, Jacquot de Rouville HP, Ventura B, Heitz V. Synthesis, electronic and photophysical properties of a bisacridinium-Zn(II) porphyrin conjugate. CR CHIM 2021. [DOI: 10.5802/crchim.100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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10
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Li W, Xu H, Zhou L. Acid-catalyzed oxidative cross-coupling of acridans with silyl diazoenolates and a Rh-catalyzed rearrangement: two-step synthesis of γ-(9-acridanylidene)-β-keto esters. Org Biomol Chem 2021; 19:5649-5657. [PMID: 34105567 DOI: 10.1039/d1ob00691f] [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 MsOH-catalyzed oxidative cross-coupling of acridans and silyl diazoenolates and a Rh2(OAc)4-catalyzed rearrangement of the resultant diazo products are described. The reactions provide various γ-(9-acridanylidene)-β-keto esters in good yields, which bear an active α-methylene unit for further functionalization.
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Affiliation(s)
- Weiyu Li
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Hao Xu
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, China.
| | - Lei Zhou
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510006, China.
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