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Hussain A, Afzal O, Yasmin S, Haider N, Altamimi AS, Martinez F, Acree WE, Ramzan M. Preferential Solvation Study of Rosuvastatin in the {PEG400 (1) + Water (2)} Cosolvent Mixture and GastroPlus Software-Based In Vivo Predictions. ACS OMEGA 2023; 8:12761-12772. [PMID: 37065087 PMCID: PMC10099431 DOI: 10.1021/acsomega.2c07968] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Rosuvastatin (RST) is a poorly water-soluble drug responsible for limited in vivo dissolution and subsequently low oral systemic absorption (poor bioavailability). The mole fraction solubility values of RST in various ratios of binary mixtures "{PEG400 (1) + water (2)}" at 298.15 K were employed to investigate the preferential solvation (PS) of RST (3) by the binary components. Moreover, the GastroPlus program predicted the drug dissolution/absorption rates, plasma drug concentration, and compartmental regional drug absorbed from a conventional tablet as compared to the RST-loaded (PEG400 + water) mixture (at x 1 = 0.5) in healthy subjects (considering the fast condition). Fedors' method was adopted to estimate the values of molar volume (314.8 cm3·mol-1) and Hildebrand solubility parameter (28.08 MPa1/2) of RST. The results of inverse Kirkwood-Buff integrals showed the PS of RST by PEG400 as observed in all studied ratios of the binary mixture. The highest PS value (δx 1,3 = 1.65 × 10-2) for RST by PEG400 was attained at x 1 = 0.5. Finally, the GastroPlus program predicted the maximum dissolution rate [20 mg within 15 min as compared to pure RST (1.5 mg within 15 min)]. Moreover, the program predicted increased in vivo oral absorption (1.2 μg/mL) and enhanced regional absorption (95.3%) of RST from upper segments of the gastrointestinal tract for the RST-loaded PEG400 + water mixture in humans as compared to conventional tablets (87.5% as total regional absorption and 0.88 μg/mL as in vivo absorption). Hence, the present binary system ferrying RST can be a promising strategy to control systemic dyslipidemia after oral or subcutaneous administration.
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Affiliation(s)
- Afzal Hussain
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Obaid Afzal
- Department
of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj 11942, Saudi Arabia
| | - Sabina Yasmin
- Department
of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha 61421, Saudi Arabia
| | - Nazima Haider
- Department
of Pathology, College of Medicine, King
Khalid University, Abha 61421, Saudi Arabia
| | | | - Fleming Martinez
- Grupo
de Investigaciones Farmacéutico-Fisicoquímicas, Departamento
de Farmacia, Universidad Nacional de Colombia,
Sede Bogotá, Cra
30 No. 45-03, Bogotá D. C. 111321, Colombia
| | - William E. Acree
- Department
of Chemistry, University of North Texas, Denton, Texas 76203-5070, United States
| | - Mohhammad Ramzan
- School
of Pharmacy, Lovely Professional University, Jalandhar-Delhi, Grand Trunk Road, Phagwara, Punjab 144001, India
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Muthu M, Tiwari S. Spectroscopic investigation of preferential solvation of N-confused tetraphenylporphyrinin binary mixtures of dichloromethane with organic cosolvents. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 283:121718. [PMID: 35963116 DOI: 10.1016/j.saa.2022.121718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 07/24/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
Spectroscopic behaviour of porphyrin is known to be sensitive to the choice of the solvent and has been used to probe solvation phenomena. The UV-visible spectra of N-confused tetraphenylporphyrin are observed in a series of binary solvent mixtures - (dichloromethane + diethyl ether), (dichloromethane + chlorobenzene) and (dichloromethane + ethyl acetate). The resulting ET scale for NCTPP solvation indicates nonlinear behaviour and preferential solvation by a solvent-solvent complex in all the three solvents - with the dichloromethane + ethyl acetate system showing the largest deviation from ideality. The data is fitted to the model based on solvent exchange equilibria for determining the preferential solvation parameters which are specific to the probe as well as the identity of solvents in the binary mixture. Further analysis using polarity parameters from literature indicate that the solvation of NCTPP in the (dichloromethane + ethyl acetate) mixture is dependent on the hydrogen bond accepting capacity and polarizability of the medium. Excess spectra derived from ATR-FTIR measurement of dichloromethane + ethyl acetate solutions lead to important inferences about the structure and role of solvent-solvent interactions responsible for the preferential solvation.
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Affiliation(s)
- Mariammal Muthu
- Department of Chemistry, Institute of Chemical Technology, Mumbai 400019, India
| | - Shraeddha Tiwari
- Department of Chemistry, Institute of Chemical Technology, Mumbai 400019, India.
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3
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Morisue M, Kawanishi M, Kusukawa T. Preferential solvation of meso-methyl BODIPYs with pyridine via pseudo-hydrogen-bonds. Phys Chem Chem Phys 2022; 24:3478-3485. [PMID: 35076038 DOI: 10.1039/d1cp05281k] [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
This study explored unexpected pseudo-hydrogen bond interactions between meso-methyl BODIPYs and pyridine or acridine. NMR spectral evidence indicated that the meso-methyl group and BF2 core of BODIPYs formed C-H⋯N and C-H⋯F-B pseudo-hydrogen bonds with pyridine, respectively. The weak binding strength was attributed to the preferential solvation of pyridine in the vicinity of meso-methyl BODIPYs in cyclohexane. The observations were explained by the formation of pseudo-hydrogen bonds based on the quantum theory of atoms in molecules (QTAIM) formalism. In contrast, acridine binds to BODIPY with a moderate binding strength. QTAIM formalism suggested the existence of the complementary pseudo-hydrogen bonds, which superficially seemed to rationalise the experimental observations. However, extensive NMR experiments have found no discrete geometry for the complex, indicating considerable geometric freedom. This discrepancy suggests that the static pictures based on the QTAIM analyses conflict with the enthalpy-entropy compensation principle in essential thermodynamics.
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Affiliation(s)
- Mitsuhiko Morisue
- Faculty of Molecular Chemistry and Engineering Kyoto Institute of Technology Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Miho Kawanishi
- Faculty of Molecular Chemistry and Engineering Kyoto Institute of Technology Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
| | - Takahiro Kusukawa
- Faculty of Molecular Chemistry and Engineering Kyoto Institute of Technology Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan.
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Morisue M, Kawanishi M, Ueno I, Nakamura T, Nabeshima T, Imamura K, Nozaki K. Evidence of C-F···H-C Attractive Interaction: Enforced Coplanarity of a Tetrafluorophenylene-Ethynylene-Linked Porphyrin Dimer. J Phys Chem B 2021; 125:9286-9295. [PMID: 34370467 DOI: 10.1021/acs.jpcb.1c04504] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The formation of C-F···H-C "hydrogen bonds" has been a controversial subject because, in principle, fluorine is hardly an acceptor for less acidic protons contrasting to the C-F···H-O and C-F···H-N hydrogen bonds. Nevertheless, the interaction is emerging as a powerful implement for confining the torsional rotation in the design of fully coplanar π-conjugated polymers. Heretofore, no evidence of the C-F···H-C interaction has been observed in solutions. We herein disclose comprehensive evidence that the C-F···H-C interaction produces an attractive force. A 19F-1H heteronuclear Overhauser effect experiment elucidated the close proximity of the F and H atoms in the doubly edge-facing C-F···H-C interactions of a meso-tetrafluorophenylene-ethynylene-conjugated porphyrin dimer (1). Extensive electronic and photophysical property investigations confirmed that all the aromatic units were torsionally restricted by the C-F···H-C interactions. Moreover, the enforced coplanarity invoked a markedly high π-staking propensity. Thus, we have firmly established the formation of a C-F···H-C interaction that produces a hydrogen-bond-like attractive force in solution.
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Affiliation(s)
- Mitsuhiko Morisue
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Miho Kawanishi
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Ikuya Ueno
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Takashi Nakamura
- Faculty of Pure and Applied Sciences and Tsukuba Research Center for Energy Materials Science (TREMS), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Tatsuya Nabeshima
- Faculty of Pure and Applied Sciences and Tsukuba Research Center for Energy Materials Science (TREMS), University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan
| | - Kouki Imamura
- Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
| | - Koichi Nozaki
- Graduate School of Science and Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan
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5
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Morisue M, Kawanishi M, Kusukawa T. Charge‐Transfer‐Adaptable Double‐Strand Formation of a Porphyrin‐BODIPY‐Porphyrin Triad. CHEMPHOTOCHEM 2021. [DOI: 10.1002/cptc.202100025] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Mitsuhiko Morisue
- Faculty of Molecular Chemistry and Engineering Kyoto Institute of Technology Matsugasaki, Sakyo-ku Kyoto 606–8585 Japan
| | - Miho Kawanishi
- Faculty of Molecular Chemistry and Engineering Kyoto Institute of Technology Matsugasaki, Sakyo-ku Kyoto 606–8585 Japan
| | - Takahiro Kusukawa
- Faculty of Molecular Chemistry and Engineering Kyoto Institute of Technology Matsugasaki, Sakyo-ku Kyoto 606–8585 Japan
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Morisue M, Saito G, Sasada D, Umeyama T, Imahori H, Mitamura K, Masunaga H, Hoshino T, Sakurai S, Sasaki S. Glassy Porphyrin/C 60 Composites: Morphological Engineering of C 60 Fullerene with Liquefied Porphyrins. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:13583-13590. [PMID: 33147035 DOI: 10.1021/acs.langmuir.0c02427] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Morphological control of C60 fullerene using liquefied porphyrins (1 and 2) as the host matrices was explored. Slow evaporation of the solvent of the equimolar mixture of porphyrin and C60 in toluene afforded the porphyrin/C60 composite with a 3:1 molar ratio. The stoichiometric binding behaviors suggest that specific porphyrin-C60 interactions operate the formation of the porphyrin/C60 composites, as corroborated by spectroscopic and thermal properties, and glazing-incidence wide-angle X-ray diffraction. Under the bulk conditions, the conventional thermodynamic advantage of multiple binding cooperativity for molecular recognition is unlikely to explain the stoichiometric binding behaviors. Instead, we propose a size-matching effect on the porphyrin-C60 interaction in the bulk porphyrin matrices, i.e., "supramolecular solvation". The glassy nature of the porphyrin matrices was transmitted to C60 through the specific interaction, and the porphyrin/C60 composites adopted glassy states at room temperature.
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Affiliation(s)
- Mitsuhiko Morisue
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Genki Saito
- Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Daiki Sasada
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Tomokazu Umeyama
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Hiroshi Imahori
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Koji Mitamura
- Electronic Materials Research Division, Osaka Research Institute of Industrial Science and Technology, 1-6-50, Morinomiya, Joto-ku, Osaka 536-8553, Japan
| | - Hiroyasu Masunaga
- Japan Synchrotron Radiation Research Institute (JASRI/SPring-8), Hyogo 679-5198, Japan
| | - Taiki Hoshino
- RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan
| | - Shinichi Sakurai
- Faculty of Fiber Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Sono Sasaki
- Faculty of Fiber Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
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7
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Satake A. The Solvent Effect on Weak Interactions in Supramolecular Polymers: Differences between Small Molecular Probes and Supramolecular Polymers. Chempluschem 2020; 85:1542-1548. [PMID: 32697033 DOI: 10.1002/cplu.202000400] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 07/04/2020] [Indexed: 12/27/2022]
Abstract
In this minireview, weak interactions that occur in supramolecular polymers are discussed. Combination of weak and strong interactions plays an important role in the construction of supramolecular polymers. It is beneficial to separate the contributions of the weak interactions, as well as each solvent effect on the weak interactions. However, it is generally difficult to observe each solvent effect separately at work in each interaction. Small molecular probes are useful to estimate the contributions of the weak interaction. But, the results should be treated with caution when applied to supramolecular polymer systems. To overcome the problems, a new solvent parameter, solvation ability (SA), is introduced, which was determined on the balance point of extended and stacked forms of porphyrin-based interconvertible supramolecular polymers.
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Affiliation(s)
- Akiharu Satake
- Department of Chemistry, Faculty of Science Division II, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
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8
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Satake A, Suzuki Y, Sugimoto M, Kuramochi Y. Mechanistic Study of the Solvent-Dependent Formation of Extended and Stacked Supramolecular Polymers Composed of Bis(imidazolylporphyrinatozinc) Molecules. Chemistry 2020; 26:669-684. [PMID: 31618485 DOI: 10.1002/chem.201903608] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/29/2019] [Indexed: 12/27/2022]
Abstract
Bis(imidazolylporphyrinatozinc) molecules linked through a 1,3-butadiynylene moiety respond to the solvents they are dissolved in to afford exclusively extended (E) or stacked (S) supramolecular polymers. This system is expected to be a solvation/desolvation indicator. However, the principles underlying the solvent-dependent formation of the two types of polymers and the mechanism of the transformation between them are unclear. The formation of the polymers is considered to depend on the two types of complementary coordination bonds that can be formed and the π-π interactions between the porphyrins. In this study, the contributions and solvent dependence of both the coordination bonds and the π-π interactions have been investigated. The results clearly indicate that the coordination bonds are weakly or little solvent-dependent, and that the π-π interactions function effectively only in the inner porphyrins of the S-polymer and are strongly solvent-dependent. Thermodynamic analysis revealed that the formation of the E- or S-polymer in solution is determined by the total energies and the type of solvent used. The transformation of the E- to S-polymer was investigated by gel permeation chromatography. The kinetics of the transformation were also determined. The role of the terminal imidazolylporphyrinatozinc moieties was also investigated: The results indicate that the transformation from the E- to S-polymer occurs by an exchange mechanism between the polymers, induced by attack of terminal free imidazolyl groups on a polymer to zinc porphyrins on other polymers.
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Affiliation(s)
- Akiharu Satake
- Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan.,Department of Chemistry, Faculty of Science Division II, Tokyo University of Science, Tokyo, 162-8601, Japan
| | - Yuki Suzuki
- Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Motonobu Sugimoto
- Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Yusuke Kuramochi
- Graduate School of Science, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan.,Department of Chemistry, Faculty of Science Division II, Tokyo University of Science, Tokyo, 162-8601, Japan
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9
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Tashiro K, Murafuji T, Sumimoto M, Fujitsuka M, Yamazaki S. The formation mechanism of ZnTPyP fibers fabricated by a surfactant-assisted method. NEW J CHEM 2020. [DOI: 10.1039/d0nj02829k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Zn–N coordination and the sphere-to-rod transition of CTAB micelles contribute concertedly to the formation of ZnTPyP fibers.
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Affiliation(s)
- Keigo Tashiro
- Division of Natural Science, Graduate School of Sciences and Technology for Innovation
- Yamaguchi University
- Yamaguchi 753-8512
- Japan
| | - Toshihiro Murafuji
- Division of Natural Science, Graduate School of Sciences and Technology for Innovation
- Yamaguchi University
- Yamaguchi 753-8512
- Japan
| | - Michinori Sumimoto
- Division of Applied Chemistry, Graduate School of Sciences and Technology for Innovation
- Yamaguchi University
- Ube, 755-8611
- Japan
| | - Mamoru Fujitsuka
- The Institute of Scientific and Industrial Research (SANKEN)
- Osaka University
- Osaka 567-0047
- Japan
| | - Suzuko Yamazaki
- Division of Natural Science, Graduate School of Sciences and Technology for Innovation
- Yamaguchi University
- Yamaguchi 753-8512
- Japan
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10
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Mohamed Ameen H, Kunsági-Máté S, Bognár B, Szente L, Poór M, Lemli B. Thermodynamic Characterization of the Interaction between the Antimicrobial Drug Sulfamethazine and Two Selected Cyclodextrins. Molecules 2019; 24:molecules24244565. [PMID: 31847074 PMCID: PMC6943531 DOI: 10.3390/molecules24244565] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/05/2019] [Accepted: 12/11/2019] [Indexed: 11/18/2022] Open
Abstract
Sulfamethazine is a representative member of the sulfonamide antibiotic drugs; it is still used in human and veterinary therapy. The protonation state of this drug affects its aqueous solubility, which can be controlled by its inclusion complexes with native or chemically-modified cyclodextrins. In this work, the temperature-dependent (298–313 K) interaction of sulfamethazine with native and randomly methylated β-cyclodextrins have been investigated at acidic and neutral pH. Surprisingly, the interaction between the neutral and anionic forms of the guest molecule and cyclodextrins with electron rich cavity are thermodynamically more favorable compared to the cationic guest. This property probably due to the enhanced formation of zwitterionic form of sulfamethazine in the hydrophobic cavities of cyclodextrins. Spectroscopic measurements and molecular modeling studies indicated the possible driving forces (hydrophobic interaction, hydrogen bonding, and electrostatic interaction) of the complex formation, and highlighted the importance of the reorganization of the solvent molecules during the entering of the guest molecule into the host’s cavity.
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Affiliation(s)
- Hiba Mohamed Ameen
- Department of General and Physical Chemistry, Faculty of Sciences, University of Pécs, Ifjúság 6, H-7624 Pécs, Hungary;
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
| | - Sándor Kunsági-Máté
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
| | - Balázs Bognár
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
| | - Lajos Szente
- CycloLab Cyclodextrin Research & Development Laboratory, Ltd., Illatos 7, H-1097 Budapest, Hungary;
| | - Miklós Poór
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
- Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary
| | - Beáta Lemli
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
- Correspondence: ; Tel.: +36-72-503-600 (ext. 35462)
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Morisue M, Ueno I, Muraoka K, Omagari S, Nakanishi T, Hasegawa Y, Hikima T, Sasaki S. Perfluorophenyl‐Directed Giant Porphyrin J‐Aggregates. Chemistry 2019; 25:7322-7329. [DOI: 10.1002/chem.201901017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Indexed: 01/27/2023]
Affiliation(s)
- Mitsuhiko Morisue
- Faculty of Molecular Chemistry and EngineeringKyoto Institute of Technology Matsugasaki Sakyo-ku, Kyoto 606-8585 Japan
| | - Ikuya Ueno
- Faculty of Molecular Chemistry and EngineeringKyoto Institute of Technology Matsugasaki Sakyo-ku, Kyoto 606-8585 Japan
| | - Kunihiko Muraoka
- Faculty of Molecular Chemistry and EngineeringKyoto Institute of Technology Matsugasaki Sakyo-ku, Kyoto 606-8585 Japan
| | - Shun Omagari
- Graduate School of EngineeringHokkaido University North 13 West 8 Kita-ku, Sapporo 060-8628 Japan
- Present address: School of Materials and Chemical TechnologyTokyo Institute of Technology, Ookayama 2–12-1-S8 Meguro-ku Tokyo 152-8552 Japan
| | - Takayuki Nakanishi
- Graduate School of EngineeringHokkaido University North 13 West 8 Kita-ku, Sapporo 060-8628 Japan
- Present address: Department of Materials Science and TechnologyTokyo University of Science 6-3-1 Niijuku Katsushika-ku Tokyo 125-8585 Japan
| | - Yasuchika Hasegawa
- Graduate School of EngineeringHokkaido University North 13 West 8 Kita-ku, Sapporo 060-8628 Japan
| | - Takaaki Hikima
- RIKEN SPring-8 Center 1-1-1, Kouto Sayo-cho Sayo-gun, Hyogo 679-5148 Japan
| | - Sono Sasaki
- Faculty of Fiber Science and EngineeringKyoto Institute of Technology Matsugasaki Sakyo-ku, Kyoto 606-8585 Japan
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12
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Shokurov AV, Meshkov IN, Bulach V, Gorbunova YG, Hosseini MW, Tsivadze AY, Arslanov VV, Selektor SL. Restriction of the rotational relaxation of a butadiyne-bridged porphyrin dimer in ultrathin films. NEW J CHEM 2019. [DOI: 10.1039/c9nj01807g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A way to stabilize the less energetically viable orthogonal conformation of a porphyrin dimer by means of a forced orientation at an interface is shown.
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Affiliation(s)
- Alexander V. Shokurov
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Moscow
- Russia
| | - Ivan N. Meshkov
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Moscow
- Russia
| | - Véronique Bulach
- Molecular Tectonics Laboratory
- UMR UDS-CNRS
- 7140 & icFRC
- Université de Strasbourg
- Strasbourg
| | - Yulia G. Gorbunova
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Moscow
- Russia
- Kurnakov Institute of General and Inorganic Chemistry
- Russian Academy of Sciences
| | - Mir Wais Hosseini
- Molecular Tectonics Laboratory
- UMR UDS-CNRS
- 7140 & icFRC
- Université de Strasbourg
- Strasbourg
| | - Aslan Yu. Tsivadze
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Moscow
- Russia
- Kurnakov Institute of General and Inorganic Chemistry
- Russian Academy of Sciences
| | - Vladimir V. Arslanov
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Moscow
- Russia
| | - Sofia L. Selektor
- Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
- Moscow
- Russia
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