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Murtaza G, Khan M, Farooq S, Choudhary MI, Yousuf S. New cocrystals of heterocyclic drugs: structural, antileishmanial, larvicidal and urease inhibition studies. Acta Crystallogr C Struct Chem 2023; 79:237-248. [PMID: 37140892 DOI: 10.1107/s2053229623003753] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 04/26/2023] [Indexed: 05/05/2023] Open
Abstract
Many heterocycles have been developed as drugs due to their capacity to interact productively with biological systems. The present study aimed to synthesize cocrystals of the heterocyclic antitubercular agent pyrazinamide (PYZ, 1, BCS III) and the commercially available anticonvulsant drug carbamazepine (CBZ, 2, BCS class II) to study the effect of cocrystallization on the stability and biological activities of these drugs. Two new cocrystals, namely, pyrazinamide-homophthalic acid (1/1) (PYZ:HMA, 3) and carbamazepine-5-chlorosalicylic acid (1/1) (CBZ:5-SA, 4), were synthesized. The single-crystal X-ray diffraction-based structure of carbamazepine-trans-cinnamic acid (1/1) (CBZ:TCA, 5) was also studied for the first time, along with the known cocrystal carbamazepine-nicotinamide (1/1) (CBZ:NA, 6). From a combination drug perspective, these are interesting pharmaceutical cocrystals to overcome the known side effects of PYZ (1) therapy, and the poor biopharmaceutical properties of CBZ (2). The purity and homogeneity of all the synthesized cocrystals were confirmed by single-crystal X-ray diffraction, powder X-ray diffraction and FT-IR analysis, followed by thermal stability studies based on differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). Detailed intermolecular interactions and the role of hydrogen bonding towards crystal stability were evaluated quantitatively via Hirshfeld surface analysis. The solubility of CBZ at pH 6.8 and 7.4 in 0.1 N HCl and H2O were compared with the values of cocrystal CBZ:5-SA (4). The solubility of CBZ:5-SA was found to be significantly improved at pH 6.8 and 7.4 in H2O. All the synthesized cocrystals 3-6 exhibited a potent urease inhibition (IC50 values range from 17.32 ± 0.89 to 12.3 ± 0.8 µM), several times more potent than standard acetohydroxamic acid (IC50 = 20.34 ± 0.43 µM). PYZ:HMA (3) also exhibited potent larvicidal activity against Aedes aegypti. Among the synthesized cocrystals, PYZ:HMA (3) and CBZ:TCA (5) were found to possess antileishmanial activity against the miltefosine-induced resistant strain of Leishmania major, with IC50 values of 111.98 ± 0.99 and 111.90 ± 1.44 µM, respectively, in comparison with miltefosine (IC50 = 169.55 ± 0.20 µM).
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Affiliation(s)
- Ghulam Murtaza
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Majid Khan
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Saba Farooq
- Dr Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - M Iqbal Choudhary
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Sammer Yousuf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
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Safronov NE, Kostova IP, Palafox MA, Belskaya NP. Combined NMR Spectroscopy and Quantum-Chemical Calculations in Fluorescent 1,2,3-Triazole-4-carboxylic Acids Fine Structures Analysis. Int J Mol Sci 2023; 24:ijms24108947. [PMID: 37240293 DOI: 10.3390/ijms24108947] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/09/2023] [Accepted: 05/14/2023] [Indexed: 05/28/2023] Open
Abstract
The peculiarities of the optical properties of 2-aryl-1,2,3-triazole acids and their sodium salts were investigated in different solvents (1,4-dioxane, dimethyl sulfoxide DMSO, methanol MeOH) and in mixtures with water. The results were discussed in terms of the molecular structure formed by inter- and intramolecular noncovalent interactions (NCIs) and their ability to ionize in anions. Theoretical calculations using the Time-Dependent Density Functional Theory (TDDFT) were carried out in different solvents to support the results. In polar and nonpolar solvents (DMSO, 1,4-dioxane), fluorescence was provided by strong neutral associates. Protic MeOH can weaken the acid molecules' association, forming other fluorescent species. The fluorescent species in water exhibited similar optical characteristics to those of triazole salts; therefore, their anionic character can be assumed. Experimental 1H and 13C-NMR spectra were compared to their corresponding calculated spectra using the Gauge-Independent Atomic Orbital (GIAO) method and several relationships were established. All these findings showed that the obtained photophysical properties of the 2-aryl-1,2,3-triazole acids noticeably depend on the environment and, therefore, are good candidates as sensors for the identification of analytes with labile protons.
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Affiliation(s)
- Nikita E Safronov
- Department of Technology for Organic Synthesis, Ural Federal University, 19 Mira Str., Yekaterinburg 620002, Russia
| | - Irena P Kostova
- Department of Chemistry, Faculty of Pharmacy, Medical University-Sofia, 2 Dunav Str., 1000 Sofia, Bulgaria
| | - Mauricio Alcolea Palafox
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense, 28040 Madrid, Spain
| | - Nataliya P Belskaya
- Department of Technology for Organic Synthesis, Ural Federal University, 19 Mira Str., Yekaterinburg 620002, Russia
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Wang H, Wu WX, Jin WJ. Cocrystals assembled from iodoperfluorobenzene and flexible NTPO via halogen and π-hole bonds. Acta Crystallogr C 2023; 79:36-42. [PMID: 36739608 DOI: 10.1107/s2053229622011822] [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: 09/04/2022] [Accepted: 12/11/2022] [Indexed: 01/14/2023] Open
Abstract
Two binary cocrystals of 1,4-diiodotetrafluorobenzene (1,4-DITFB, C6F4I2) and 1,3,5-trifluoro-2,4,6-triiodobenzene (1,3,5-TITFB, C6F3I3) with the flexible 2-{[(naphthalen-2-yl)methyl]sulfanyl}pyridine 1-oxide (NTPO, C16H13NOS) molecule were successfully prepared and characterized by X-ray diffraction and quantum chemistry calculation methods. X-ray diffraction analysis reveals that the conformation of the flexible NTPO molecule has been changed significantly after introducing the 1,4-DITFB or 1,3,5-TITFB molecule into the NTPO lattice. Also the formation of the binary cocrystals is driven mainly by robust C-I...-O-N+ halogen bonds and π-hole...π-bond interactions, and they possess `sandwich' structural frameworks. Moreover, interaction energy analysis and AIM analysis were used to explore the contribution of different fragments to the structural stability and the corresponding electronic properties, which reveals that the robust halogen bonds with shorter bonding lengths [2.768 (4) and 2.789 (3) Å] are suggested to be covalent to a certain degree.
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Affiliation(s)
- Hui Wang
- College of Chemistry and Material Science, Shanxi Normal University, Taiyuan, Shanxi 030006, People's Republic of China
| | - Wen Xin Wu
- College of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China
| | - Wei Jun Jin
- College of Chemistry, Beijing Normal University, Beijing 100875, People's Republic of China
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Yeo CI, Tan YS, Kwong HC, Lee VS, Tiekink ERT. I⋯N halogen bonding in 1 : 1 co-crystals formed between 1,4-diiodotetrafluorobenzene and the isomeric n-pyridinealdazines ( n = 2, 3 and 4): assessment of supramolecular association and influence upon solid-state photoluminescence properties. CrystEngComm 2022. [DOI: 10.1039/d2ce01165d] [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
1 : 1 co-crystals formed between 1,4-diiodotetrafluorobenzene and each of the three isomeric n-pyridinealdazines (n = 2, 3 and 4), featuring I⋯N halogen bonding contacts within one-dimensional chains, are described.
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Affiliation(s)
- Chien Ing Yeo
- Research Centre for Crystalline Materials, School of Medical and Life Sciences, Sunway University, 47500 Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | - Yee Seng Tan
- Research Centre for Crystalline Materials, School of Medical and Life Sciences, Sunway University, 47500 Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | - Huey Chong Kwong
- Research Centre for Crystalline Materials, School of Medical and Life Sciences, Sunway University, 47500 Bandar Sunway, Selangor Darul Ehsan, Malaysia
| | | | - Edward R. T. Tiekink
- Research Centre for Crystalline Materials, School of Medical and Life Sciences, Sunway University, 47500 Bandar Sunway, Selangor Darul Ehsan, Malaysia
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Kinzhalov MA, Ivanov DM, Melekhova AA, Bokach NA, Gomila RM, Frontera A, Kukushkin VY. Chameleonic Metal-bound Isocyanides: π-Donating CuI-center Imparts a Nucleophilicity to the Isocyanide Carbon toward Halogen Bonding. Inorg Chem Front 2022. [DOI: 10.1039/d2qi00034b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the structures of the isostructural cocrystals [CuI3(CNXyl)3]·CHX3 (X = Br, I), two adjacent CuI-bound isocyanide groups, whose carbon lone pairs are blocked by the ligation, exhibit nucleophilic properties induced...
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Chen B, Lin Z, Wu R, Jin S, Dong L, Bai L, Xu W, Wang D. Nine Supramolecular Adducts of 4-dimethylaminopyridine and Carboxylic acids Assembled by Classical Hydrogen Bonds and Other Noncovalent Intermolecular Interactions. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Fery-Forgues S, Vanucci-Bacqué C. Recent Trends in the Design, Synthesis, Spectroscopic Behavior, and Applications of Benzazole-Based Molecules with Solid-State Luminescence Enhancement Properties. Top Curr Chem (Cham) 2021; 379:32. [PMID: 34342718 DOI: 10.1007/s41061-021-00344-8] [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: 02/03/2021] [Accepted: 07/10/2021] [Indexed: 02/05/2023]
Abstract
Molecules that exhibit solid-state luminescence enhancement, i.e. the rare property to be more strongly emissive in the solid state than in solution, find an increasing number of applications in the fields of optoelectronic and nanophotonic devices, sensors, security papers, imaging, and theranostics. Benzazole (BZ) heterocycles are of particular value in this context. The simple enlargement of their π-electron system using a -C=C-Ar or -N=C-Ar moiety is enough for intrinsic solid-state luminescence enhancement (SLE) properties to appear. Their association with a variety of polyaromatic motifs leads to SLE-active molecules that frequently display attractive electroluminescent properties and are sensitive to mechanical stimuli. The excited-state intramolecular proton transfer (ESIPT) process that takes place in some hydroxy derivatives reinforces the SLE effect and enables the development of new sensors based on a protection/deprotection strategy. BZ may also be incorporated into frameworks that are prototypical aggregation-induced enhancement (AIE) luminogens, such as the popular tetraphenylethene (TPE), leading to materials with excellent optical and electroluminescent performance. This review encompasses the various ways to use BZ units in SLE systems. It underlines the significant progresses recently made in the understanding of the photophysical mechanisms involved. A brief overview of the synthesis shows that BZ units are robust building blocks, easily incorporated into a variety of structures. Generally speaking, we try to show how these small heterocycles may offer advantages for the design of increasingly efficient luminescent materials.
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Affiliation(s)
- Suzanne Fery-Forgues
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062, Toulouse cedex 9, France.
| | - Corinne Vanucci-Bacqué
- SPCMIB, CNRS UMR 5068, Université de Toulouse III Paul Sabatier, 118 route de Narbonne, 31062, Toulouse cedex 9, France
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The Isocyanide Complexes cis-[MCl2(CNC6H4-4-X)2] (M = Pd, Pt; X = Cl, Br) as Tectons in Crystal Engineering Involving Halogen Bonds. CRYSTALS 2021. [DOI: 10.3390/cryst11070799] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The isocyanide complexes cis-[MCl2(CNC6H4-4-X)2] (M = Pd; X = Cl, Br; M = Pt; X = Br) form isomorphous crystal structures exhibiting the Cl/Br and Pd/Pt exchanges featuring 1D chains upon crystallisation. Crystal packing is supported by the C–X···X–C halogen bonds (HaBs), C–H···X–C hydrogen bonds (HB), X···M semicoordination, and C···C contacts between the C atoms of aryl isocyanide ligands. The results of DFT calculations and topological analysis indicate that all the above contact types belong to attractive noncovalent interactions. A projection of the electron localization function (ELF) and an inspection of the electron density (ED) and the electrostatic potential (ESP) reveal the amphiphilic nature of X atoms playing the role of HaB donors, HaB and HB acceptors, and a nucleophilic partner in X···M semicoordination.
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Gao R, Kodaimati MS, Yan D. Recent advances in persistent luminescence based on molecular hybrid materials. Chem Soc Rev 2021; 50:5564-5589. [PMID: 33690765 DOI: 10.1039/d0cs01463j] [Citation(s) in RCA: 170] [Impact Index Per Article: 56.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Molecular persistently luminescent materials have received recent attention due to their promising applications in optical displays, biological imaging, chemical sensing, and security systems. In this review, we systematically summarize recent advances in establishing persistently luminescent materials-specifically focusing on materials composed of molecular hybrids for the first time. We describe the main strategies for synthesizing these hybrid materials, namely: (i) inorganics/organics, (ii) organics/organics, and (iii) organics/polymer systems and demonstrate how molecular hybrids provide synergistic effects, while improving luminescence lifetimes and efficiencies. These hybrid materials promote new methods for tuning key physical properties such as singlet-triplet excited state energies by controlling the chemical interactions and molecular orientations in the solid state. We review new advances in these materials from the perspective of examining experimental and theoretical approaches to room-temperature phosphorescence and thermally-activated delayed fluorescence. Finally, this review concludes by summarizing the current challenges and future opportunities for these hybrid materials.
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Affiliation(s)
- Rui Gao
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, and Key Laboratory of Radiopharmaceuticals, Ministry of Education, Beijing Normal University, Beijing 100875, People's Republic of China.
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Tiekink ERT. Supramolecular architectures sustained by delocalised C–I⋯π(arene) interactions in molecular crystals and the propensity of their formation. CrystEngComm 2021. [DOI: 10.1039/d0ce01677b] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A survey of delocalised C–I⋯π(chelate ring) interactions is presented.
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Affiliation(s)
- Edward R. T. Tiekink
- Research Centre for Crystalline Materials
- School of Science and Technology
- Sunway University
- Bandar Sunway
- Malaysia
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Vaganova TA, Gatilov YV, Malykhin SE, Pishchur DP, Sukhov M, Zakharov BA, Boldyreva EV, Malykhin EV. Co-crystals of polyhalogenated diaminobenzonitriles with 18-crown-6: effect of fluorine on the stoichiometry and supramolecular structure. CrystEngComm 2021. [DOI: 10.1039/d1ce00530h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Fluorine in the ortho-position of diaminobenzonitrile promotes the formation of the N–H⋯NC bond which results in a 3D supramolecular structure of the co-crystal.
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Affiliation(s)
- Tamara A. Vaganova
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Yurij V. Gatilov
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Sergey E. Malykhin
- Novosibirsk State University
- 630090 Novosibirsk
- Russian Federation
- Boreskov Institute of Catalysis SB RAS
- Novosibirsk
| | - Denis P. Pishchur
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Maxim Sukhov
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
- Novosibirsk State University
| | - Boris A. Zakharov
- Novosibirsk State University
- 630090 Novosibirsk
- Russian Federation
- Boreskov Institute of Catalysis SB RAS
- Novosibirsk
| | - Elena V. Boldyreva
- Novosibirsk State University
- 630090 Novosibirsk
- Russian Federation
- Boreskov Institute of Catalysis SB RAS
- Novosibirsk
| | - Evgenij V. Malykhin
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
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Wang C, You ZX, Xing YH, Bai FY, Shi Z. A three-dimensional supramolecular network structure through hydrogen bonding and π–π interaction: synthesis, structure, and the fluorescence detection of balsalazide disodium. CrystEngComm 2021. [DOI: 10.1039/d1ce00373a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Three co-crystal compounds with different dimensions were synthesized. The fluorescence properties of co-crystal 1 were studied, especially detecting balsalazide disodium.
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Affiliation(s)
- Chen Wang
- College of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- P. R. China
| | - Zi Xin You
- College of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- P. R. China
| | - Yong-Heng Xing
- College of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- P. R. China
| | - Feng-Ying Bai
- College of Chemistry and Chemical Engineering
- Liaoning Normal University
- Dalian 116029
- P. R. China
| | - Zhan Shi
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry
- College of Chemistry
- Jilin University
- Changchun 130012
- P. R. China
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Hu BL, Zhang Q. Recent Progress in Polycyclic Aromatic Hydrocarbon-Based Organic Co-Crystals. CHEM REC 2020; 21:116-132. [PMID: 33169940 DOI: 10.1002/tcr.202000098] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/09/2020] [Accepted: 10/22/2020] [Indexed: 12/20/2022]
Abstract
Recently, the development of polycyclic aromatic hydrocarbon (PAH)-based organic co-crystals has attracted increasing interest due to their unique packing modes, optic-electronic properties and various potential applications in electronic, optic-electronic and magnetic devices. In this account, we mainly discuss the definition, classification, packing patterns, preparation methods, and applications of PAH-based co-crystals. Specifically, the main categories of PAH-based organic co-crystals, the frequent methods to prepare them, three main packing patterns, their optical and electrical properties, and their potential applications will be presented. Finally, an outlook of this field is provided.
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Affiliation(s)
- Ben-Lin Hu
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, China.,Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, PR China
| | - Qichun Zhang
- Department of Materials Science and Engineering, City University of Hong Kong, Kowloon, Hong Kong postCode/>999077, China
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Hao QQ, Dai XL, Huang YL, Chen JM, Lu TB. Modulation of Solid-State Optical Properties of o-Hydroxynaphthoic Acids through Formation of Charge Transfer Cocrystals with TCNB. CRYSTAL GROWTH & DESIGN 2020; 20:7492-7500. [DOI: 10.1021/acs.cgd.0c01169] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Qian-Qian Hao
- Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology Tianjin 300384, People’s Republic of China
| | - Xia-Lin Dai
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion,, School of Chemistry and Chemical Engineering, Tianjin University of Technology Tianjin 300384, People’s Republic of China
| | - Yong-Liang Huang
- Department of Chemistry, Shantou University Medical College, Shantou, Guangdong 515041, People’s Republic of China
| | - Jia-Mei Chen
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion,, School of Chemistry and Chemical Engineering, Tianjin University of Technology Tianjin 300384, People’s Republic of China
| | - Tong-Bu Lu
- Institute for New Energy Materials and Low Carbon Technologies, School of Materials Science and Engineering, Tianjin University of Technology Tianjin 300384, People’s Republic of China
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Vaganova TA, Gatilov YV, Pishchur DP, Malykhin EV. Polyfluorinated hydroxy and carboxy benzenes as a new type of H-donors for self-assembly with 18-crown-6 ether: Synthesis, supramolecular structure and stability of co-crystals. J Fluor Chem 2020. [DOI: 10.1016/j.jfluchem.2020.109577] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Nemec V, Vitasović T, Cinčić D. Halogen-bonded cocrystals of donepezil with perfluorinated diiodobenzenes. CrystEngComm 2020. [DOI: 10.1039/d0ce01065k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Donepezil, an active pharmaceutical ingredient with several different acceptor sites for halogen bonding has successfully been cocrystallized with two perfluorinated halogen bond donors.
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Affiliation(s)
- Vinko Nemec
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
| | - Toni Vitasović
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
| | - Dominik Cinčić
- Department of Chemistry
- Faculty of Science
- University of Zagreb
- HR-10002 Zagreb
- Croatia
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Vaganova TA, Gatilov YV, Benassi E, Chuikov IP, Pishchur DP, Malykhin EV. Impact of molecular packing rearrangement on solid-state fluorescence: polyhalogenated N-hetarylamines vs. their co-crystals with 18-crown-6. CrystEngComm 2019. [DOI: 10.1039/c9ce00645a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Relationship between the hetarylamine chemical structure, crystal packing in homo- and co-crystals, and fluorescence effects (quenching, bathochromic and hypsochromic shifts).
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Affiliation(s)
- Tamara A. Vaganova
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Yurij V. Gatilov
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Enrico Benassi
- Department of Chemistry
- Shihezi University
- Shihezi Shi
- China
- Lanzhou Institute of Chemical Physics
| | - Igor P. Chuikov
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Denis P. Pishchur
- Nikolaev Institute of Inorganic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
| | - Evgenij V. Malykhin
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry
- Siberian Branch of the Russian Academy of Sciences
- 630090 Novosibirsk
- Russian Federation
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