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Chang KH, Peng YC, Su KH, Lin YH, Liu JC, Liu YH, Hsu CH, Yang HC, Chou PT. Long-range hydrogen-bond relay catalyses the excited-state proton transfer reaction. Chem Sci 2023; 14:7237-7247. [PMID: 37416704 PMCID: PMC10321479 DOI: 10.1039/d3sc01441j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 05/25/2023] [Indexed: 07/08/2023] Open
Abstract
Solvent (e.g., water)-catalyzed proton transfer (SCPT) via the relay of hydrogen (H)-bonds plays a key role in proton migration. In this study, a new class of 1H-pyrrolo[3,2-g]quinolines (PyrQs) and their derivatives were synthesized, with sufficient separation of the pyrrolic proton donating and pyridinic proton accepting sites to probe excited-state SCPT. There was dual fluorescence for all PyrQs in methanol, i.e., normal (PyrQ) and tautomer 8H-pyrrolo[3,2-g]quinoline (8H-PyrQ) emissions. The fluorescence dynamics unveiled a precursor (PyrQ) and successor (8H-PyrQ) relationship and the correlation of an increasing overall excited-state SCPT rate (kSCPT) upon increasing the N(8)-site basicity. kSCPT can be expressed by the coupling reaction kSCPT = Keq × kPT, where kPT denotes the intrinsic proton tunneling rate in the relay and Keq denotes the pre-equilibrium between randomly and cyclically H-bonded solvated PyrQs. Molecular dynamics (MD) simulation defined the cyclic PyrQs and analyzed the H-bond and molecular arrangement over time, which showed the cyclic PyrQs incorporating ≧3 methanol molecules. These cyclic H-bonded PyrQs are endowed with a relay-like proton transfer rate, kPT. MD simulation estimated an upper-limited Keq value of 0.02-0.03 for all studied PyrQs. When there was little change in Keq, the distinct kSCPT values for PyrQs were at different kPT values, which increased as the N(8) basicity increased, which was induced by the C(3)-substituent. kSCPT was subject to a deuterium isotope effect, where the kSCPT of 1.35 × 1010 s-1 for PyrQ-D in CH3OD was 1.68 times slower than that (2.27 × 1010 s-1) of PyrQ in CH3OH. MD simulation provided a similar Keq for PyrQ and PyrQ-D, leading to different proton tunneling rates (kPT) between PyrQ and PyrQ-D.
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Affiliation(s)
- Kai-Hsin Chang
- Department of Chemistry, National Taiwan University Taipei 10617 Taiwan ROC
| | - Yu-Chiang Peng
- Department of Chemistry, National Taiwan University Taipei 10617 Taiwan ROC
| | - Kuan-Hsuan Su
- Department of Chemistry, Fu Jen Catholic University New Taipei City 24205 Taiwan ROC
| | - Yi-Hsien Lin
- Department of Chemistry, Fu Jen Catholic University New Taipei City 24205 Taiwan ROC
| | - Jiun-Chi Liu
- Department of Chemistry, National Taiwan University Taipei 10617 Taiwan ROC
| | - Ying-Hsuan Liu
- Department of Chemistry, National Taiwan University Taipei 10617 Taiwan ROC
| | - Chao-Hsien Hsu
- Department of Chemistry, National Taiwan University Taipei 10617 Taiwan ROC
| | - Hsiao-Ching Yang
- Department of Chemistry, Fu Jen Catholic University New Taipei City 24205 Taiwan ROC
| | - Pi-Tai Chou
- Department of Chemistry, National Taiwan University Taipei 10617 Taiwan ROC
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2
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Bleeker J, Kahn AP, Baumgartner LM, Grozema FC, Vermaas DA, Jager WF. Quinolinium-Based Fluorescent Probes for Dynamic pH Monitoring in Aqueous Media at High pH Using Fluorescence Lifetime Imaging. ACS Sens 2023; 8:2050-2059. [PMID: 37128994 DOI: 10.1021/acssensors.3c00316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Spatiotemporal pH imaging using fluorescence lifetime imaging microscopy (FLIM) is an excellent technique for investigating dynamic (electro)chemical processes. However, probes that are responsive at high pH values are not available. Here, we describe the development and application of dedicated pH probes based on the 1-methyl-7-amino-quinolinium fluorophore. The high fluorescence lifetime and quantum yield, the high (photo)stability, and the inherent water solubility make the quinolinium fluorophore well suited for the development of FLIM probes. Due to the flexible fluorophore-spacer-receptor architecture, probe lifetimes are tunable in the pH range between 5.5 and 11. An additional fluorescence lifetime response, at tunable pH values between 11 and 13, is achieved by deprotonation of the aromatic amine at the quinolinium core. Probe lifetimes are hardly affected by temperature and the presence of most inorganic ions, thus making FLIM imaging highly reliable and convenient. At 0.1 mM probe concentrations, imaging at rates of 3 images per second, at a resolution of 4 μm, while measuring pH values up to 12 is achieved. This enables the pH imaging of dynamic electrochemical processes involving chemical reactions and mass transport.
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Affiliation(s)
- Jorrit Bleeker
- Faculty of Applied Sciences, Department of Chemical Engineering, Delft University of Technology, Delft 2629 HZ, The Netherlands
| | - Aron P Kahn
- Faculty of Applied Sciences, Department of Chemical Engineering, Delft University of Technology, Delft 2629 HZ, The Netherlands
| | - Lorenz M Baumgartner
- Faculty of Applied Sciences, Department of Chemical Engineering, Delft University of Technology, Delft 2629 HZ, The Netherlands
| | - Ferdinand C Grozema
- Faculty of Applied Sciences, Department of Chemical Engineering, Delft University of Technology, Delft 2629 HZ, The Netherlands
| | - David A Vermaas
- Faculty of Applied Sciences, Department of Chemical Engineering, Delft University of Technology, Delft 2629 HZ, The Netherlands
| | - Wolter F Jager
- Faculty of Applied Sciences, Department of Chemical Engineering, Delft University of Technology, Delft 2629 HZ, The Netherlands
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3
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Yang WY, Yan CC, Wang XD, Liao LS. Recent progress on the excited-state multiple proton transfer process in organic molecules. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1375-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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4
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Danilkina NA, Andrievskaya EV, Vasileva AV, Lyapunova AG, Rumyantsev AM, Kuzmin AA, Bessonova EA, Balova IA. 4-Azidocinnoline-Cinnoline-4-amine Pair as a New Fluorogenic and Fluorochromic Environment-Sensitive Probe. Molecules 2021; 26:7460. [PMID: 34946541 PMCID: PMC8704291 DOI: 10.3390/molecules26247460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/01/2021] [Accepted: 12/06/2021] [Indexed: 12/03/2022] Open
Abstract
A new type of fluorogenic and fluorochromic probe based on the reduction of weakly fluorescent 4-azido-6-(4-cyanophenyl)cinnoline to the corresponding fluorescent cinnoline-4-amine was developed. We found that the fluorescence of 6-(4-cyanophenyl)cinnoline-4-amine is strongly affected by the nature of the solvent. The fluorogenic effect for the amine was detected in polar solvents with the strongest fluorescence increase in water. The environment-sensitive fluorogenic properties of cinnoline-4-amine in water were explained as a combination of two types of fluorescence mechanisms: aggregation-induced emission (AIE) and excited state intermolecular proton transfer (ESPT). The suitability of an azide-amine pair as a fluorogenic probe was tested using a HepG2 hepatic cancer cell line with detection by fluorescent microscopy, flow cytometry, and HPLC analysis of cells lysates. The results obtained confirm the possibility of the transformation of the azide to amine in cells and the potential applicability of the discovered fluorogenic and fluorochromic probe for different analytical and biological applications in aqueous medium.
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Affiliation(s)
- Natalia A. Danilkina
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia; (N.A.D.); (A.V.V.); (A.G.L.); (E.A.B.)
| | | | - Anna V. Vasileva
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia; (N.A.D.); (A.V.V.); (A.G.L.); (E.A.B.)
| | - Anna G. Lyapunova
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia; (N.A.D.); (A.V.V.); (A.G.L.); (E.A.B.)
| | - Andrey M. Rumyantsev
- Department of Genetics and Biotechnology, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia;
| | - Andrey A. Kuzmin
- Institute of Cytology, Russian Academy of Sciences, St. Petersburg, Tikhoretsky Avenue 4, 194064 Saint Petersburg, Russia;
| | - Elena A. Bessonova
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia; (N.A.D.); (A.V.V.); (A.G.L.); (E.A.B.)
| | - Irina A. Balova
- Institute of Chemistry, Saint Petersburg State University (SPbU), Universitetskaya nab. 7/9, 199034 Saint Petersburg, Russia; (N.A.D.); (A.V.V.); (A.G.L.); (E.A.B.)
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5
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Li Z, Tang Z, Li W, Zhan H, Liu X, Wang Y, Tian J, Fei X. Substituents effect on the methanol-assisted excited-state intermolecular proton transfer of 7-Aminoquinoline: A theoretical study. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116920] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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6
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Saha S, Ghosh P, Mondal P, Chattopadhyay A, Sahoo P. Involvement of a unique chemodosimeter in the selective estimation of noxious cyanide in common water hyacinth ( Eichhornia crassipes): an environmental refinement. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2021; 23:1308-1315. [PMID: 34286814 DOI: 10.1039/d1em00172h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A naphthaldehyde-pyridoxal conjugated chemodosimeter (NPLC) was developed and employed for the sensitive and selective detection and estimation of cyanide in common water hyacinth (Eichhornia crassipes), a free floating macrophyte used in the phytoremediation process since ancient times. The non-fluorescent nature of the probe NPLC, directed by the possibility of excited state intramolecular proton transfer process (ESIPT), was promptly changed due to CN- induced di-deprotonation of the probe. The naked eye color change and turn on vivid fluorescent color of NPLC was attributed to the inhibition of the ESIPT mechanism in the deprotonated NPLC (NPLC-D). The selective detection of cyanide ion in the nanomolar range (81 nM), among other interfering anions, makes it exclusive. The involvement of the probe in a chemodosimetric fashion toward cyanide was elucidated by experimental and computational studies.
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Affiliation(s)
- Shrabani Saha
- Department of Chemistry, Visva-Bharati University, Santiniketan, 731235, India.
| | - Priyotosh Ghosh
- Department of Chemistry, Visva-Bharati University, Santiniketan, 731235, India.
| | - Paritosh Mondal
- Department of Zoology, Visva-Bharati University, Santiniketan, 731235, India
| | | | - Prithidipa Sahoo
- Department of Chemistry, Visva-Bharati University, Santiniketan, 731235, India.
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7
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Chang KH, Chao WC, Yang YH, Wu CH, Li ZB, Chen HC, Chou YT, Annie Ho JA, Li XC, Peng YC, Liao YC, Liu KM, Chao CM, Chou PT. Cyano Derivatives of 7-Aminoquinoline That Are Highly Emissive in Water: Potential for Sensing Applications. Chemistry 2021; 27:8040-8047. [PMID: 33904607 DOI: 10.1002/chem.202100413] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Indexed: 12/20/2022]
Abstract
6-Cyano-7-aminoquinoline (6CN-7AQ) and 3-cyano-7-aminoquinoline (3CN-7AQ) were synthesized and found to exhibit intense emission with quantum yield as high as 63 % and 85 %, respectively, in water. Conversely, their derivatives 6-cyano-7-azidoquinoline (6CN-7N3 Q) and 3-cyano-7-azidoquinoline (3CN-7N3 Q) show virtually no emission, which makes them suitable to be used as recognition agents in azide reactions based on fluorescence recovery. Moreover, conjugation of 6CN-7AQ with a hydrophobic biomembrane-penetration peptide PFVYLI renders a nearly non-emissive 6CN-7AQ-PFVYLI composite, which can be digested by proteinase K, recovering the highly emissive 6CN-7AQ with ∼200-fold enhancement. The result provides an effective early confirmation for RT-qPCR in viral detection.
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Affiliation(s)
- Kai-Hsin Chang
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Wei-Chih Chao
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Yu-Hsuan Yang
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C.,Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C.,Department of Medical Education, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, R.O.C
| | - Cheng-Ham Wu
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Zhi-Bin Li
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C.,Department of Medical Education, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, R.O.C
| | - Hung-Che Chen
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C.,Department of Medical Education, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, R.O.C
| | - Yi-Te Chou
- BioAnalytical Chemistry and Nanobiomedicine Laboratory, Department of Biochemical Science and Technology, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Ja-An Annie Ho
- BioAnalytical Chemistry and Nanobiomedicine Laboratory, Department of Biochemical Science and Technology, National Taiwan University, Taipei, 10617, Taiwan, R.O.C.,Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C.,Center for Emerging Materials and Advanced Devices, National Taiwan University, Taipei, 10617, Taiwan, R.O.C.,Center for Biotechnology, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Xin-Cheng Li
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C.,Department of Medical Education, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, R.O.C
| | - Yu-Chiang Peng
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C.,Department of Medical Education, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, R.O.C
| | - Yu-Chan Liao
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
| | - Kuan-Miao Liu
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C.,Department of Medical Education, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, R.O.C
| | - Chi-Min Chao
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung, 40201, Taiwan, R.O.C.,Department of Medical Education, Chung Shan Medical University Hospital, Taichung, 40201, Taiwan, R.O.C
| | - Pi-Tai Chou
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan, R.O.C
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8
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Mehata MS. An efficient excited-state proton transfer fluorescence quenching based probe (7-hydroxyquinoline) for sensing trivalent cations in aqueous environment. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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9
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Lahiri J, Moemeni M, Kline J, Magoulas I, Yuwono SH, Laboe M, Shen J, Borhan B, Piecuch P, Jackson JE, Blanchard GJ, Dantus M. Isoenergetic two-photon excitation enhances solvent-to-solute excited-state proton transfer. J Chem Phys 2020; 153:224301. [PMID: 33317305 PMCID: PMC7725536 DOI: 10.1063/5.0020282] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 11/15/2020] [Indexed: 01/05/2023] Open
Abstract
Two-photon excitation (TPE) is an attractive means for controlling chemistry in both space and time. Since isoenergetic one- and two-photon excitations (OPE and TPE) in non-centrosymmetric molecules are allowed to reach the same excited state, it is usually assumed that they produce similar excited-state reactivity. We compare the solvent-to-solute excited-state proton transfer of the super photobase FR0-SB following isoenergetic OPE and TPE. We find up to 62% increased reactivity following TPE compared to OPE. From steady-state spectroscopy, we rule out the involvement of different excited states and find that OPE and TPE spectra are identical in non-polar solvents but not in polar ones. We propose that differences in the matrix elements that contribute to the two-photon absorption cross sections lead to the observed enhanced isoenergetic reactivity, consistent with the predictions of our high-level coupled-cluster-based computational protocol. We find that polar solvent configurations favor greater dipole moment change between ground and excited states, which enters the probability for TPE as the absolute value squared. This, in turn, causes a difference in the Franck-Condon region reached via TPE compared to OPE. We conclude that a new method has been found for controlling chemical reactivity via the matrix elements that affect two-photon cross sections, which may be of great utility for spatial and temporal precision chemistry.
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Affiliation(s)
- Jurick Lahiri
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Mehdi Moemeni
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Jessica Kline
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Ilias Magoulas
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Stephen H. Yuwono
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Maryann Laboe
- Department of Chemical Engineering and Material Science, Michigan State University, East Lansing, Michigan 48824, USA
| | - Jun Shen
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Babak Borhan
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Piotr Piecuch
- Authors to whom correspondence should be addressed: , Tel.: +1-517-353-0501; , Tel.: +1-517-353-1151; , Tel.: +1-517-353-0504; , Tel.: +1-517-353-1105; and , Tel.: +1-517-353-1191
| | - James E. Jackson
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - G. J. Blanchard
- Department of Chemistry, Michigan State University, East Lansing, Michigan 48824, USA
| | - Marcos Dantus
- Authors to whom correspondence should be addressed: , Tel.: +1-517-353-0501; , Tel.: +1-517-353-1151; , Tel.: +1-517-353-0504; , Tel.: +1-517-353-1105; and , Tel.: +1-517-353-1191
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10
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Moseev TD, Varaksin MV, Gorlov DA, Charushin VN, Chupakhin ON. Transition-Metal-Free C–H/C–Li Coupling of Nonaromatic 2H-Imidazole 1-Oxides with Pentafluorophenyl Lithium in the Design of Novel Fluorophores with Intramolecular Charge Transfer Effect. J Org Chem 2020; 85:11124-11133. [DOI: 10.1021/acs.joc.0c01042] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Mikhail V. Varaksin
- Ural Federal University, 19 Mira Str., 620002 Ekaterinburg, Russia
- Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, 22 S. Kovalevskaya Str., 620041 Ekaterinburg, Russia
| | - Denis A. Gorlov
- Ural Federal University, 19 Mira Str., 620002 Ekaterinburg, Russia
| | - Valery N. Charushin
- Ural Federal University, 19 Mira Str., 620002 Ekaterinburg, Russia
- Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, 22 S. Kovalevskaya Str., 620041 Ekaterinburg, Russia
| | - Oleg N. Chupakhin
- Ural Federal University, 19 Mira Str., 620002 Ekaterinburg, Russia
- Institute of Organic Synthesis, Ural Branch of the Russian Academy of Sciences, 22 S. Kovalevskaya Str., 620041 Ekaterinburg, Russia
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