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Ma Y, Xu S, Yue P, Cao H, Zou Y, Wang L, Long H, Wu S, Ye Q. Synthesis and evaluation of water-soluble imidazolium salt chitin with broad-spectrum antimicrobial activity and excellent biocompatibility for infected wound healing. Carbohydr Polym 2023; 306:120575. [PMID: 36746566 DOI: 10.1016/j.carbpol.2023.120575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/04/2023] [Accepted: 01/08/2023] [Indexed: 01/13/2023]
Abstract
Infections caused by bacteria have long constituted a major threat to human health and the economy. Therefore, there is an urgent need to design broad-spectrum antibacterial materials possessing good biocompatibility to treat such infections. Herein, inspired by the good biocompatibility of chitin and antibacterial properties of imidazolium salts, a polysaccharide-based material, imidazolium salt chitin (IMSC), was homogeneously prepared using a facile method with epichlorohydrin as a chemical crosslinker to combine chitin with imidazole to enhance Staphylococcus aureus (S. aureus)-infected wound healing. The characteristics, antimicrobial properties, and biosafety of IMSC were evaluated. The results demonstrated successful grafting of imidazole onto chitin. Furthermore, IMSC exhibited good water solubility, broad-spectrum antimicrobial activity, hemocompatibility, and biocompatibility. Moreover, IMSC enabled complete healing of S. aureus-infected wound in Sprague-Dawley rats within 15 days of application, thus demonstrating that IMSC could reduce wound inflammation and remarkably accelerate wound healing owing to its efficient antibacterial activity and ability to promote collagen deposition in and around the wound area. Therefore, this study provides a promising and potential therapeutic strategy for infected wound healing by synthesizing a water-soluble and broad-spectrum antimicrobial material exhibiting good biocompatibility.
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Affiliation(s)
- Yongsheng Ma
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China
| | - Shuyi Xu
- Wuhan University School of Nursing, Wuhan 430071, Hubei, PR China
| | - Pengpeng Yue
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China
| | - Hankun Cao
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China
| | - Yongkang Zou
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China
| | - Lizhe Wang
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China
| | - Haitao Long
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China
| | - Shuangquan Wu
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China.
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan 430071, Hubei, PR China; The Third Xiangya Hospital of Central South University, Research Center of National Health Ministry on Transplantation Medicine Engineering and Technology, Changsha 410013, Hunan, PR China.
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Feng Y, Huang X, Lv M, Yu Y, Jiang G, He H, Liu J. The two-pronged approach of heteroatoms and substituents to achieve a synergistic regulation of the ESIPT process in amino 2-(2'-hydroxyphenyl)benzoxazole derivatives. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 291:122318. [PMID: 36623347 DOI: 10.1016/j.saa.2023.122318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 12/28/2022] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
Amino 2-(2'-hydroxyphenyl)benzazole derivatives are a class of molecules with excellent photophysical properties. Most of them can be applied as a fluorescent probe via the excited-state intramolecular proton transfer (ESIPT) process. In this work, we focus on the effects of heteroatoms (O, S) and substituents (acetylacetone, hydrogen) in the derivatives. Using DFT/TDDFT methods with the B3LYP-D3BJ functionals, the absorption and emission peaks are in good agreement with the experimental data. Results of optimized structures, infrared vibrational spectra, and reduced density gradient present the existence of the ESIPT process in the S1 state in these molecules, it also indirectly shows that the heteroatom S is more than O, and the substituent acetylacetone is more than hydrogen has stronger hydrogen bonds. The proton transfer (PT) potential energy curves (PECs) qualitatively show that it is easier for the heteroatom S to induce ESIPT than that of O. The same for the substituent acetylacetone than that of hydrogen. Under the joint influence of the simultaneous stacking of heteroatom S and acetylacetone substituent, the energy barrier of the PT process can be effectively lowered, realizing a synergistic strategy, which can provide some guidance for the design of fluorescent materials.
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Affiliation(s)
- Yu Feng
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China; State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China
| | - Xindi Huang
- Guangxi Institute of Metrology and Test, Nanning 530004, PR China
| | - Meiheng Lv
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China; College of Science, Shenyang University of Chemical Technology, Shenyang 110142, PR China
| | - Yan Yu
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Gaoshang Jiang
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Haixiang He
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China; Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning 530004, PR China.
| | - Jianyong Liu
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, PR China.
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Rodrigues BM, Diniz CC, da Rocha VN, Köhler MH, Brandão GP, Machado LA, da Silva Júnior EN, Iglesias BA. First report of trans-A 2B-corrole derived from a lapachone derivative: photophysical, TD-DFT and photobiological assays. RSC Adv 2023; 13:11121-11129. [PMID: 37056965 PMCID: PMC10089255 DOI: 10.1039/d3ra00823a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 04/01/2023] [Indexed: 04/15/2023] Open
Abstract
In this work, the synthesis, characterization and photophysical assays of a new trans-A2B-corrole derivative from the naturally occurring quinone are described. β-Lapachone is a naturally occurring quinoidal compound that provides highly fluorescent heterocyclic compounds such as lapimidazoles. The new trans-A2B-corrole compound was obtained from the reaction between 2,3,4,5,6-(pentafluorophenyl)dipyrromethane and the lapimidazole bearing an aldehyde group. The dyad was characterized by high-resolution mass spectrometry (HRMS), NMR spectroscopy (1H, COSY 2D, HMBC, 19F), FT-IR, UV-vis, steady-state and time-resolved fluorescence, electrochemical studies (CV), TD-DFT analysis and photobiological experiments, in which includes aggregation, stability in solution, photostability and partition coefficients assays. Finally, ROS generation assays were performed using 1,3-diphenylisobenzofuran (DPBF) method and the presented compound showed significant photostability and singlet oxygen production.
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Affiliation(s)
- Bruna M Rodrigues
- Bioinorganic and Porphyrinoid Material Laboratory, Department of Chemistry, Federal University of Santa Maria Santa Maria-RS Brazil
| | - Carlos C Diniz
- Bioinorganic and Porphyrinoid Material Laboratory, Department of Chemistry, Federal University of Santa Maria Santa Maria-RS Brazil
| | - Vinicius N da Rocha
- Department of Physics, Federal University of Santa Maria Santa Maria-RS Brazil
| | - Mateus H Köhler
- Department of Physics, Federal University of Santa Maria Santa Maria-RS Brazil
| | - Guilherme P Brandão
- Department of Chemistry, Federal University of Minas Gerais Belo Horizonte MG Brazil
| | - Luana A Machado
- Department of Chemistry, Federal University of Minas Gerais Belo Horizonte MG Brazil
- Julius Maximilians-Universität Würzburg (JMU), Institute for Inorganic Chemistry Am Hubland Würzburg 97074 Germany
| | | | - Bernardo A Iglesias
- Bioinorganic and Porphyrinoid Material Laboratory, Department of Chemistry, Federal University of Santa Maria Santa Maria-RS Brazil
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Kumar S, Kajol K, Nayak P, Kumar A, Ramesh C. Synthesis of tetracyclic 4H-benzo[5,6]chromeno[3,4-d]oxazoles via palladium-catalyzed intramolecular direct heteroarylation. Chem Asian J 2023; 18:e202201151. [PMID: 36519340 DOI: 10.1002/asia.202201151] [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: 11/14/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
We report a palladium-catalyzed intramolecular direct heteroarylation of oxazole tethered β-naphthols to access corresponding tetracyclic 4H-benzo[5,6]chromeno[3,4-d]oxazoles. Various functional groups are well tolerated and furnished the desired products in good to excellent yields under the present reaction conditions. The scale-up reaction and synthetic utility of the resulting molecules have been demonstrated. Moreover, UV/vis absorption and fluorescence emission properties have been evaluated for these polyheterocyclic compounds.
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Affiliation(s)
- Sujeet Kumar
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research, New Delhi, 110001, India
| | - Km Kajol
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India
| | - Prakash Nayak
- School of Chemical Sciences National Institute of Science Education and Research (NISER), Bhubaneswar, HBNI, Bhubaneswar, 752050, Odisha, India
| | - Amit Kumar
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research, New Delhi, 110001, India
| | - Chintakunta Ramesh
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute BS-10/1, Sector 10 Jankipuram extension, Sitapur Road, P.O. Box 173, Lucknow, 226031, India.,Academy of Scientific and Innovative Research, New Delhi, 110001, India
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Hashikawa Y, Fujikawa N, Murata Y. π-Extended Fullerenes with a Reactant Inside. J Am Chem Soc 2022; 144:23292-23296. [PMID: 36534086 DOI: 10.1021/jacs.2c12259] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Fullerene-graphene hybrids potentially exhibit unprecedented properties owing to interactive communication between the two units through a linkage. However, most of their discrete molecular structures have been still undisclosed thus far. With the recent rise in the awareness of facile access to molecular nanocarbon hybrids, we showcase novel π-extended fullerenes with a fused pyrazine or imidazole. Owing to the effective planar-curved π-conjugation, their absorption coefficients significantly increased in the visible region. Curiously enough, during the formation of π-extended fullerenes, an in situ generated NH3 molecule was spontaneously encapsulated inside the fullerene cavity. The NH3 molecule then underwent a timed orifice-expansion triggered by its sustained release. This is the first demonstration that fullerene captures a reactant inside, suggesting their potential usage for a sustained dosing and/or material delivery toward postfunctionalization of fullerene-graphene hybrids.
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Affiliation(s)
- Yoshifumi Hashikawa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Nana Fujikawa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Yasujiro Murata
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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Dias GG, O Rodrigues M, Paz ERS, P Nunes M, Araujo MH, Rodembusch FS, da Silva Júnior EN. Aryl-Phenanthro[9,10- d]imidazole: A Versatile Scaffold for the Design of Optical-Based Sensors. ACS Sens 2022; 7:2865-2919. [PMID: 36250642 DOI: 10.1021/acssensors.2c01687] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Fluorescent and colorimetric sensors are important tools for investigating the chemical compositions of different matrices, including foods, environmental samples, and water. The high sensitivity, low interference, and low detection limits of these sensors have inspired scientists to investigate this class of sensing molecules for ion and molecule detection. Several examples of fluorescent and colorimetric sensors have been described in the literature; this Review focuses particularly on phenanthro[9,10-d]imidazoles. Different strategies have been developed for obtaining phenanthro[9,10-d]imidazoles, which enable modification of their optical properties upon interaction with specific analytes. These sensing responses usually involve changes in the fluorescence intensity and/or color arising from processes like photoinduced electron transfer, intramolecular charge transfer, intramolecular proton transfer in the excited state, and Förster resonance energy transfer. In this Review, we categorized these sensors into two different groups: those bearing formyl groups and their derivatives and those based on other molecular groups. The different optical responses of phenanthro[9,10-d]imidazole-based sensors upon interaction with specific analytes are discussed.
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Affiliation(s)
- Gleiston G Dias
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG. Brazil
| | - Marieli O Rodrigues
- Instituto de Química, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, CEP, Porto Alegre 91501-970, RS. Brazil
| | - Esther R S Paz
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG. Brazil
| | - Mateus P Nunes
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG. Brazil
| | - Maria H Araujo
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG. Brazil
| | - Fabiano S Rodembusch
- Instituto de Química, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves 9500, CEP, Porto Alegre 91501-970, RS. Brazil
| | - Eufrânio N da Silva Júnior
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG. Brazil
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Machado LA, Paz E, Araujo M, Almeida L, Bozzi Í, Dias G, Pereira C, Pedrosa L, Fantuzzi F, Martins F, Cury L, da Silva Júnior EN. Ruthenium(II)‐Catalyzed C–H/N–H Alkyne Annulation of Nonsymmetric Imidazoles: Mechanistic Insights by Computation and Photophysical Properties. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Esther Paz
- UFMG: Universidade Federal de Minas Gerais Chemistry BRAZIL
| | - Maria Araujo
- UFMG: Universidade Federal de Minas Gerais Chemistry BRAZIL
| | | | - Ícaro Bozzi
- UFMG: Universidade Federal de Minas Gerais Chemistry BRAZIL
| | - Gleiston Dias
- UFMG: Universidade Federal de Minas Gerais Chemistry BRAZIL
| | | | | | | | | | - Luiz Cury
- UFMG: Universidade Federal de Minas Gerais Physics BRAZIL
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Sousa RPCL, Figueira RB, Gomes BR, Sousa S, Ferreira RCM, Costa SPG, Raposo MMM. Hybrid Sol-Gel Matrices Doped with Colorimetric/Fluorimetric Imidazole Derivatives. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3401. [PMID: 34947750 PMCID: PMC8705321 DOI: 10.3390/nano11123401] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/03/2021] [Accepted: 12/12/2021] [Indexed: 11/16/2022]
Abstract
Organic-inorganic hybrids (OIH) are materials that can be easily synthesized by the sol-gel method and combine the advantages of organic and inorganic moieties within a single polymeric matrix. Imidazole derivatives are versatile organic compounds that can change their optical properties with the variation of pH due to the protonation or deprotonation of the nitrogen atoms. This work reports the preparation of different OIHs doped with different contents of two imidazole compounds (3a,b). The obtained materials were characterized structurally by FTIR, and the dielectric properties were studied by electrochemical impedance spectroscopy. The optical properties were studied by UV-Vis absorption and fluorescence spectroscopies. The FTIR analysis showed that the presence of the imidazole does not change the structural properties of the matrices. The normalized resistance values obtained for the doped matrices ranged between 8.57 and 9.32 Ω cm2, all being higher than the undoped matrix. The σ ranged between 9.49 and 10.28 S cm-1, being all higher than the pure OIH samples. Compound 3a showed a maximum absorption peak at 390 nm, which is present in the OIH spectra, proving the presence of the compound. In the case of compound 3b, a maximum absorption wavelength at 412 nm was found, and the compound peak was not clear, which may indicate that an interaction between the compound and the matrix occurred. A synergetic effect between the intrinsic emission of the matrix and the fluorescence of 3a is found on the OIH-doped matrices.
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Affiliation(s)
- Rui P. C. L. Sousa
- Centre of Chemistry, Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; (R.P.C.L.S.); (B.R.G.); (S.S.); (R.C.M.F.); (S.P.G.C.); (M.M.M.R.)
| | - Rita B. Figueira
- Centre of Chemistry, Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; (R.P.C.L.S.); (B.R.G.); (S.S.); (R.C.M.F.); (S.P.G.C.); (M.M.M.R.)
- Vasco da Gama CoLAB, Rua Roberto Frias, 4200-465 Porto, Portugal
| | - Bárbara R. Gomes
- Centre of Chemistry, Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; (R.P.C.L.S.); (B.R.G.); (S.S.); (R.C.M.F.); (S.P.G.C.); (M.M.M.R.)
| | - Sara Sousa
- Centre of Chemistry, Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; (R.P.C.L.S.); (B.R.G.); (S.S.); (R.C.M.F.); (S.P.G.C.); (M.M.M.R.)
| | - R. Cristina M. Ferreira
- Centre of Chemistry, Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; (R.P.C.L.S.); (B.R.G.); (S.S.); (R.C.M.F.); (S.P.G.C.); (M.M.M.R.)
| | - Susana P. G. Costa
- Centre of Chemistry, Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; (R.P.C.L.S.); (B.R.G.); (S.S.); (R.C.M.F.); (S.P.G.C.); (M.M.M.R.)
| | - M. Manuela M. Raposo
- Centre of Chemistry, Campus of Gualtar, University of Minho, 4710-057 Braga, Portugal; (R.P.C.L.S.); (B.R.G.); (S.S.); (R.C.M.F.); (S.P.G.C.); (M.M.M.R.)
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