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Belyaev A, Su B, Cheng Y, Liu Z, Khan NM, Karttunen AJ, Chou P, Koshevoy IO. Multiple Emission of Phosphonium Fluorophores Harnessed by the Pathways of Photoinduced Counterion Migration. Angew Chem Int Ed Engl 2022; 61:e202115690. [PMID: 35146862 PMCID: PMC9306779 DOI: 10.1002/anie.202115690] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Indexed: 01/06/2023]
Affiliation(s)
- Andrey Belyaev
- Department of Chemistry University of Eastern Finland Yliopistokatu 7 80101 Joensuu Finland
| | - Bo‐Kang Su
- Department of Chemistry National Taiwan University Taipei 106 Taiwan
| | - Yu‐Hsuan Cheng
- Department of Chemistry National Taiwan University Taipei 106 Taiwan
| | - Zong‐Ying Liu
- Department of Chemistry National Taiwan University Taipei 106 Taiwan
| | - Nasrulla Majid Khan
- Department of Chemistry University of Eastern Finland Yliopistokatu 7 80101 Joensuu Finland
| | - Antti J. Karttunen
- Department of Chemistry and Materials Science Aalto-University 00076 Aalto Finland
| | - Pi‐Tai Chou
- Department of Chemistry National Taiwan University Taipei 106 Taiwan
| | - Igor O. Koshevoy
- Department of Chemistry University of Eastern Finland Yliopistokatu 7 80101 Joensuu Finland
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Koshevoy IO, Belyaev A, Su BK, Cheng YH, Liu ZY, Khan NM, Karttunen AJ, Chou PT. Multiple emission of phosphonium fluorophores harnessed by the pathways of photoinduced counterion migration. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202115690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Igor O. Koshevoy
- University of Eastern Finland Deaprtment of Chemistry Yliopistokatu 7 80101 Joensuu FINLAND
| | - Andrey Belyaev
- University of Eastern Finland: Ita-Suomen yliopisto Chemistry Joensuu FINLAND
| | - Bo-Kang Su
- National Taiwan University Chemistry TAIWAN
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Wickhorst PJ, Druzhinin SI, Ihmels H, Müller M, Sutera Sardo M, Schönherr H, Viola G. A Dimethylaminophenyl‐Substituted Naphtho[1,2‐
b
]quinolizinium as a Multicolor NIR Probe for the Fluorimetric Detection of Intracellular Nucleic Acids and Proteins. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100148] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Peter Jonas Wickhorst
- Department of Chemistry – Biology University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ) Adolf-Reichwein-Str. 2 57068 Siegen Germany
| | - Sergey I. Druzhinin
- Department of Chemistry – Biology University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ) Adolf-Reichwein-Str. 2 57068 Siegen Germany
| | - Heiko Ihmels
- Department of Chemistry – Biology University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ) Adolf-Reichwein-Str. 2 57068 Siegen Germany
| | - Mareike Müller
- Department of Chemistry – Biology University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ) Adolf-Reichwein-Str. 2 57068 Siegen Germany
| | | | - Holger Schönherr
- Department of Chemistry – Biology University of Siegen, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ) Adolf-Reichwein-Str. 2 57068 Siegen Germany
| | - Giampietro Viola
- Department of Women's and Child's health Oncohematology laboratory University of Padova Via Giustiniani 2 I-35128 Padova Italy
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Lin TC, Liu ZY, Liu SH, Koshevoy IO, Chou PT. Counterion Migration Driven by Light-Induced Intramolecular Charge Transfer. JACS AU 2021; 1:282-293. [PMID: 34467293 PMCID: PMC8395631 DOI: 10.1021/jacsau.0c00107] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Indexed: 05/14/2023]
Abstract
A series of D-π-A + pyridinium compounds, in which D = -NPh2 and A+ = -PyMe+ are linked by various amounts of linear phenyl spacers, were strategically designed and synthesized. Their characterization revealed the presence of excited-state intramolecular charge transfer (ESICT) that triggers a corresponding response from the counterion. In medium and strong polar solvents, the fast solvent relaxation occurring after ESICT overwhelms the counterion effect, showing typical emission solvatochromism. In weakly polar solvents, ESICT induces counteranion migration for electrostatic stabilization, the time scale of which is dependent on the radius of the counteranion, the length of the π-linker, and the viscosity of the solvent. In low-viscosity organic solvents such as toluene, counteranion migration occurs within several tens to hundreds of picoseconds, resulting in a time-dependent continuous emission that can be resolved from the spectral temporal evolution. Concrete evidence for this is provided by the chemical synthesis of a D-π-A + pyridinium-sulfur trioxide- zwitterion, where anion migration is restricted due to its internally locked ion pair. As a result, only a single emission band can be observed. These comprehensive studies prove that the ion migration process may be significant for a wide range of ESICT-type ionic fluorophores. Such an ionic movement, triggered by optically pumped ESICT of the D-π-A + dyad, is similar to the molecular machine driven by the redox reaction, but with a facile access and fast response.
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Affiliation(s)
- Ta-Chun Lin
- Department
of Chemistry, National Taiwan University, Taipei, Taiwan 10617, ROC
| | - Zong-Ying Liu
- Department
of Chemistry, National Taiwan University, Taipei, Taiwan 10617, ROC
| | - Shih-Hung Liu
- Department
of Chemistry, National Taiwan University, Taipei, Taiwan 10617, ROC
| | - Igor O. Koshevoy
- Department
of Chemistry, University of Eastern Finland, Yliopistokatu 7, 80101 Joensuu, Finland
| | - Pi-Tai Chou
- Department
of Chemistry, National Taiwan University, Taipei, Taiwan 10617, ROC
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Belyaev A, Chou P, Koshevoy IO. Cationic Organophosphorus Chromophores: A Diamond in the Rough among Ionic Dyes. Chemistry 2021; 27:537-552. [PMID: 32492231 PMCID: PMC7821147 DOI: 10.1002/chem.202001853] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Indexed: 12/21/2022]
Abstract
Tunable electron-accepting properties of the cationic phosphorus center, its geometry and unique preparative chemistry that allows combining this unit with diversity of π-conjugated motifs, define the appealing photophysical and electrochemical characteristics of organophosphorus ionic chromophores. This Minireview summarizes the achievements in the synthesis of the π-extended molecules functionalized with P-cationic fragments, modulation of their properties by means of structural modification, and emphasizes the important effect of cation-anion interactions, which can drastically change physical behavior of these two-component systems.
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Affiliation(s)
- Andrey Belyaev
- Department of ChemistryUniversity of Eastern FinlandYliopistokatu 780101JoensuuFinland
| | - Pi‐Tai Chou
- Department of ChemistryNational (Taiwan) UniversityTaipei106Taiwan
| | - Igor O. Koshevoy
- Department of ChemistryUniversity of Eastern FinlandYliopistokatu 780101JoensuuFinland
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Pithan PM, Steup S, Ihmels H. Cation-induced ring-opening and oxidation reaction of photoreluctant spirooxazine-quinolizinium conjugates. Beilstein J Org Chem 2020; 16:904-916. [PMID: 32461772 PMCID: PMC7214873 DOI: 10.3762/bjoc.16.82] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Accepted: 04/20/2020] [Indexed: 12/18/2022] Open
Abstract
Two new spiroindolinonaphthoxazine derivatives with an electron-accepting styrylquinolizinium or styrylcoralyne unit, respectively, were synthesized, and the influence of such an arylvinyl substituent on the chemical and photochemical properties of the compounds was investigated. Specifically, these spirooxazines turned out to be resistant towards the photoinduced merocyanine formation, and the irradiation with light mainly led to photodegradation of the substrates. However, it was shown by colorimetric and fluorimetric screening assays as well as by detailed NMR spectroscopic and mass spectrometric studies that the addition of particular metal ions (Cu2+, Fe3+, and to a certain extent Hg2+) initially induced a ring-opening reaction that was irreversibly followed by a fast ring closure-deprotonation-oxidation sequence to give styryl-substituted naphthoxazole derivatives as the products quantitatively. For the quinolizinium-substituted spirooxazine derivative, the formation of the respective oxidation product caused the development of a broad absorption band between 425 nm and 500 nm and a new emission band at λfl = 628 nm, so that it may be employed as a selective chemosensor or chemodosimeter for the colorimetric and fluorimetric detection of Cu2+ and Fe3+.
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Affiliation(s)
- Phil M Pithan
- Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Sören Steup
- Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, University of Siegen and Center of Micro- and Nanochemistry and Engineering (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
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Pithan PM, Ihmels H. Studies on the photocyclization reaction of 8‐styryl‐substituted coralyne derivatives. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.3858] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Phil Marvin Pithan
- Department of Chemistry and Biology, and Center of Micro‐ and Nanochemistry and Engineering (Cμ)University of Siegen Siegen Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, and Center of Micro‐ and Nanochemistry and Engineering (Cμ)University of Siegen Siegen Germany
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Schramm S, Weiß D. Fluorescent heterocycles: Recent trends and new developments. ADVANCES IN HETEROCYCLIC CHEMISTRY 2019. [DOI: 10.1016/bs.aihch.2018.10.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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9
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Bandaru SSM, Dzubiel D, Ihmels H, Karbasiyoun M, Mahmoud MMA, Schulzke C. Synthesis of 9-arylalkynyl- and 9-aryl-substituted benzo[ b]quinolizinium derivatives by Palladium-mediated cross-coupling reactions. Beilstein J Org Chem 2018; 14:1871-1884. [PMID: 30112092 PMCID: PMC6071731 DOI: 10.3762/bjoc.14.161] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Accepted: 07/05/2018] [Indexed: 12/31/2022] Open
Abstract
9-Arylbenzo[b]quinolizinium derivatives were prepared with base-free Suzuki–Miyaura coupling reactions between benzo[b]quinolizinium-9-trifluoroborate and selected benzenediazonium salts. In addition, the Sonogashira coupling reaction between 9-iodobenzo[b]quinolizinium and the arylalkyne derivatives yielded four novel 9-(arylethynyl)benzo[b]quinolizinium derivatives under relatively mild reaction conditions. The 9-(N,N-dimethylaminophenylethynyl)benzo[b]quinolizinium is only very weakly emitting, but the emission intensity increases by a factor >200 upon protonation, so that this derivative may operate as pH-sensitive light-up probe. Photometric and fluorimetric titrations of duplex and quadruplex DNA to 9-(arylethynyl)benzo[b]quinolizinium derivatives revealed a significant binding affinity of these compounds towards both DNA forms with binding constants of Kb = 0.2–2.2 × 105 M−1.
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Affiliation(s)
- Siva Sankar Murthy Bandaru
- Department of Chemistry and Biology, University of Siegen, Siegen, Germany
- Institute of Biochemistry, University of Greifswald, Greifswald, Germany
| | - Darinka Dzubiel
- Department of Chemistry and Biology, University of Siegen, Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, University of Siegen, Siegen, Germany
| | | | | | - Carola Schulzke
- Institute of Biochemistry, University of Greifswald, Greifswald, Germany
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Lu F, Kitamura N, Takaya T, Iwata K, Nakanishi T, Kurashige Y. Experimental and theoretical investigation of fluorescence solvatochromism of dialkoxyphenyl-pyrene molecules. Phys Chem Chem Phys 2018; 20:3258-3264. [DOI: 10.1039/c7cp06811e] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The uncommon fluorescence solvatochromic behaviour of dialkoxyphenyl-pyrene isomers was confirmed by experiments and elucidated by quantum chemical calculations.
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Affiliation(s)
- Fengniu Lu
- Frontier Molecules Group
- International Center for Materials Nanoarchitectonics (WPI-MANA)
- National Institute for Materials Science (NIMS)
- Tsukuba 305-0044
- Japan
| | - Naoki Kitamura
- Department of Chemistry
- Graduate School of Science
- Kyoto University
- Kitashirakawa Oiwake-cho
- Sakyo-ku
| | - Tomohisa Takaya
- Department of Chemistry
- Faculty of Science
- Gakushuin University
- Toshima-ku
- Japan
| | - Koichi Iwata
- Department of Chemistry
- Faculty of Science
- Gakushuin University
- Toshima-ku
- Japan
| | - Takashi Nakanishi
- Frontier Molecules Group
- International Center for Materials Nanoarchitectonics (WPI-MANA)
- National Institute for Materials Science (NIMS)
- Tsukuba 305-0044
- Japan
| | - Yuki Kurashige
- Department of Chemistry
- Graduate School of Science
- Kyoto University
- Kitashirakawa Oiwake-cho
- Sakyo-ku
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Photophysics of Dihydroquinazolinone Derivatives: Experimental and Theoretical Studies. J Fluoresc 2017; 27:1161-1170. [PMID: 28303488 DOI: 10.1007/s10895-017-2051-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 02/19/2017] [Indexed: 12/21/2022]
Abstract
Herein, we report the synthesis of two dihydroquinazolinone derivative 2-(2-Hydroxy-naphthalen-1-yl)-2, 3-dihydro-1H-quinazolin-4-one (1) and 2-(3-Methyl-thiophen-2-yl)-2,3-dihydro-1H-quinazolin-4-one (2) by using 2-aminobenzamide, 2-hydroxybenzaldehyde and 3-methyl thiophene-2-carboxaldehyde. The synthesized compounds were characterized by 1H NMR, 13C NMR, FT-IR and its spectral, photophysical, intramolecular charge transfer characteristics were studied by absorption and emission spectroscopy. The synthesized compound exhibits significant changes in their photophysical properties depending on the solvent polarity. The observed bathochromic emission band and difference in Stokes shift on changing the polarity of the solvents clearly demonstrate the highly polar character of the excited state. The synthesized compounds were also studied by density functional theory (DFT) and time-dependent density functional theory (TDDFT) to expose the reproducibility by computational means.
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