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Jain A, De S, Mukherjee D, Haribabu J, Santibanez JF, Barman P. A substituent-modified new salicylaldehyde-diphenyl-azine based AIEgen: A promising skeleton for copper ion sensor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 322:124824. [PMID: 39029203 DOI: 10.1016/j.saa.2024.124824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 07/09/2024] [Accepted: 07/13/2024] [Indexed: 07/21/2024]
Abstract
In this study, we have reported a novel 4-bromo-salicylaldehyde-diphenyl-azine (B-1), a new member of salicylaldehyde-diphenyl-azine (SDPA) family known for its excellent sensing properties. In contrast to the previously reported AIEgens, we found that the bromo-substitution at the 4th position of the salicylaldehyde moiety blue-shifted the emission by 10 and 15 nm as compared to the unsubstituted (Tong et.al 2017) and Bromo at the 5th position (Jain et.al 2023) respectively. Moreover, B-1 crystallizes instantly as the cooling process starts, which was not observed in the previously reported scaffolds. The sensing investigation again demonstrated the precise and ultrasensitive behavior of B-1 for copper ions. B-1 has a very low LOD value i.e. 29.2 x 10-8 M with a high association constant and binds with copper ion in 2:1 mode. This time we also analyzed the practical applicability in the solid phase using cotton swabs and performed the real-time estimation of copper ions in water and biological samples like urine and blood serum. The excellent percentage recovery and the RSD value suggest the precision of the experiments. Further, we also perform the sensing in living cancer HeLa cells. Altogether, we found that the SDPA skeleton is precise and ultrasensitive for copper ions and versatile which can be used variously to detect copper ions in the real world. This research will surely help in developing new specific skeleton-based AIEgens with desirable emission properties and precise applications in the future.
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Affiliation(s)
- Abhinav Jain
- Department of Chemistry, National Institute of Technology, Silchar, Assam 788010, India
| | - Soumik De
- Department of Chemistry, National Institute of Technology, Silchar, Assam 788010, India
| | - Debanggana Mukherjee
- Department of Chemistry, National Institute of Technology, Silchar, Assam 788010, India
| | - Jebiti Haribabu
- Facultad de Medicina, Universidad de Atacama, Los Carreras 1579, 1532502 Copiapo, Chile; Chennai Institute of Technology (CIT), Chennai 600069, India
| | - Juan F Santibanez
- Institute for Medical Research, National Institute of the Republic of Serbia, University of Belgrade, Belgrade 11029, Serbia; Integrative Center for Biology and Applied Chemistry (CIBQA), Bernardo O'Higgins University, Santiago 8370993, Chile
| | - Pranjit Barman
- Department of Chemistry, National Institute of Technology, Silchar, Assam 788010, India.
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De S, Sahu R, Palei S, Narayan Nanda L. Synthesis, SAR, and application of JQ1 analogs as PROTACs for cancer therapy. Bioorg Med Chem 2024; 112:117875. [PMID: 39178586 DOI: 10.1016/j.bmc.2024.117875] [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: 06/17/2024] [Revised: 08/12/2024] [Accepted: 08/12/2024] [Indexed: 08/26/2024]
Abstract
JQ1 is a wonder therapeutic molecule that selectively inhibits the BRD4 signaling pathway and is thus widely used in the anticancer drug discovery program. Due to its unique selective BRD4 binding property, its applications are further extended in the design and synthesis of bi-functional PROTAC molecules. This BRD4 targeting PROTAC molecule selectively degrades the protein by proteolysis. There are several modifications of JQ1 known to date and extensively explored for their applications in PROTAC technology by several research groups in academia as well as industry for targeting oncogenic genes. In this review, we have covered the discovery and synthesis of the JQ1 molecule. The SAR of the JQ1 analogs will help researchers develop potent JQ1 compounds with improved inhibitory properties against malignant cells. Furthermore, we explored the potential application of JQ1 analogs in PROTAC technology. The brief history of the bromodomain family of proteins, as well as the obstacles connected with PROTAC technology, can help comprehend the context of the current research, which has the potential to improve the drug development process. Overall, this review comprehensively appraises JQ1 molecules and their prior implementation in PROTAC technology and cancer therapy.
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Affiliation(s)
- Soumik De
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, An OCC of Homi Bhabha National Institute (HBNI), Khurda, Odisha 752050, India
| | - Raghaba Sahu
- College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Shubhendu Palei
- Department of Chemistry, Indian Institute of Technology Kharagpur, West Bengal 721302, India
| | - Laxmi Narayan Nanda
- Chemical Biology and Therapeutics Science, Broad Institute of MIT and Harvard, Harvard Medical School, Cambridge 02142, United States; P.G. Department of Chemistry, Government Autonomous College, Utkal University, Angul 759143, Odisha, India.
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3
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Nurkenov OA, Zhautikova SB, Khlebnikov AI, Syzdykov AK, Fazylov SD, Seilkhanov TM, Kabieva SK, Turdybekov KM, Mendibayeva AZ, Zhumanazarova GM. Synthesis and Biological Activity of New Hydrazones Based on N-Aminomorpholine. Molecules 2024; 29:3606. [PMID: 39125014 PMCID: PMC11314140 DOI: 10.3390/molecules29153606] [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: 07/02/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 08/12/2024] Open
Abstract
The data on the synthesis of N-aminomorpholine hydrazones are presented. It is shown that the interaction of N-aminomorpholine with functionally substituted benzaldehydes and 4-pyridinaldehyde in isopropyl alcohol leads to the formation of corresponding hydrazones. The structure of the synthesized compounds was studied by 1H and 13C NMR spectroscopy methods, including the COSY (1H-1H), HMQC (1H-13C) and HMBC (1H-13C) methodologies. The values of chemical shifts, multiplicity, and integral intensity of 1H and 13C signals in one-dimensional NMR spectra were determined. The COSY (1H-1H), HMQC (1H-13C), and HMBC (1H-13C) results revealed homo- and heteronuclear interactions, confirming the structure of the studied compounds. The antiviral, cytotoxic, and antimicrobial activity of some synthesized hydrazones were investigated. It is shown that 2-((morpholinoimino)methyl)benzoic acid has a pronounced viral inhibitory property, comparable in its activity to commercial drugs Tamiflu and Remantadine. A docking study was performed using the influenza virus protein models (1930 Swine H1 Hemagglutinin and Neuraminidase of 1918 H1N1 strain). The potential binding sites that are complementary with 2-((morpholinoimino)methyl)benzoic acid were found.
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Affiliation(s)
- Oralgazy A. Nurkenov
- Institute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, Karaganda 100008, Kazakhstan; (O.A.N.); (A.K.S.); (S.D.F.); (A.Z.M.)
- Karaganda Industrial University, Temirtau 101400, Kazakhstan;
| | | | - Andrei I. Khlebnikov
- Kizhner Research Center, National Research Tomsk Polytechnic University, Tomsk 634050, Russia;
- Faculty of Chemistry, National Research Tomsk State University, Tomsk 634050, Russia
| | - Ardak K. Syzdykov
- Institute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, Karaganda 100008, Kazakhstan; (O.A.N.); (A.K.S.); (S.D.F.); (A.Z.M.)
- Karaganda Industrial University, Temirtau 101400, Kazakhstan;
| | - Serik D. Fazylov
- Institute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, Karaganda 100008, Kazakhstan; (O.A.N.); (A.K.S.); (S.D.F.); (A.Z.M.)
| | | | | | | | - Anel Z. Mendibayeva
- Institute of Organic Synthesis and Coal Chemistry of the Republic of Kazakhstan, Karaganda 100008, Kazakhstan; (O.A.N.); (A.K.S.); (S.D.F.); (A.Z.M.)
- Karaganda Industrial University, Temirtau 101400, Kazakhstan;
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Younes AH, Mustafa YF. Plant-Derived Coumarins: A Narrative Review of Their Structural and Biomedical Diversity. Chem Biodivers 2024; 21:e202400344. [PMID: 38587035 DOI: 10.1002/cbdv.202400344] [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: 02/07/2024] [Revised: 04/03/2024] [Accepted: 04/08/2024] [Indexed: 04/09/2024]
Abstract
Plant-derived coumarin (PDC) is a naturally occurring heterocyclic backbone that belongs to the benzopyrone family. PDC and its based products are characterized by low toxicity and high distribution in a variety of herbal treatments that have numerous therapeutic potentials. These include anticoagulants, antibacterials, anti-inflammatory agents, anticancer agents, antioxidants, and others. So, it may be appropriate to investigate the qualities and potential bioactivities of PDCs. This article provides an overview of the biomedical potentials, availability, and clinical use possibilities of PDCs, with a focus on their important modes of action, using information on various pharmacological qualities discovered. The data used in this study came from published research between 2015 and 2023. We reviewed a selection of databases, including PubMed, Scopus, Web of Science, and Google Scholar, during that period. In conclusion, because of their abundance in medicinal plants, the clinical biochemistry attributes of PDCs are currently of interest. In a variety of medical specialties, PDCs serve a useful role as therapeutic agents.
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Affiliation(s)
- Areej Hazem Younes
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, Iraq
| | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, Iraq
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5
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Pawariya V, De S, Dutta J. Synthesis and characterization of citric acid-modified chitosan Schiff base with enhanced antibacterial properties for the elimination of Bismarck Brown R and Rhodamine B dyes from wastewater. Int J Biol Macromol 2024; 264:130664. [PMID: 38453113 DOI: 10.1016/j.ijbiomac.2024.130664] [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: 08/10/2023] [Revised: 02/22/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
In this study, a new chitosan Schiff base with surface modification using citric acid was synthesized for efficient removal of pernicious dyes, namely Bismarck Brown R (BBR) and Rhodamine B (RhB), from wastewater. The physicochemical properties of the modified chitosan Schiff base were comprehensively investigated. Adsorption studies demonstrated that BBR adsorption occurred through monolayer formation, while RhB adsorption proceeded via multilayer formation on the heterogeneous surface. The synthesized adsorbent exhibited exceptional dye removal efficiency, with a Langmuir saturation capacity of 348 ± 11.0 mg.g-1 for BBR and 145 ± 18.44 mg.g-1 for RhB. Isotherm data fitting revealed consistency with the Langmuir isotherm model for BBR and the Freundlich isotherm model for RhB. Notably, the modified chitosan Schiff base showcased enhanced antibacterial properties, effectively inhibiting both gram-positive and gram-negative bacteria. The study's findings underscore the potential of this novel chitosan-based Schiff base as an efficient adsorbent for the removal of various dyes from wastewater, emphasizing its versatility and practical applicability in water treatment processes.
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Affiliation(s)
- Varun Pawariya
- Department of Chemistry, Amity School of Applied Sciences, Amity University Haryana, Gurgaon-122413, Haryana, India
| | - Soumik De
- Department of Chemistry, National Institute of Technology, Silchar, Silchar-788010, Assam, India
| | - Joydeep Dutta
- Department of Chemistry, Amity School of Applied Sciences, Amity University Haryana, Gurgaon-122413, Haryana, India.
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6
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Silva RC, De Freitas A, Vicente B, Midlej V, Dos Santos MS. Exploring novel pyrazole-nitroimidazole hybrids: Synthesis and antiprotozoal activity against the human pathogen trichomonas vaginalis. Bioorg Med Chem 2024; 102:117679. [PMID: 38461555 DOI: 10.1016/j.bmc.2024.117679] [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: 01/12/2024] [Revised: 02/20/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
Trichomoniasis, a prevalent sexually transmitted infection (STI) caused by the protozoan Trichomonas vaginalis, has gained increased significance globally. Its relevance has grown in recent years due to its association with a heightened risk of acquiring and transmitting the human immunodeficiency virus (HIV) and other STIs. In addition, many publications have revealed a potential link between trichomoniasis and certain cancers. Metronidazole (MTZ), a nitroimidazole compound developed over 50 years ago, remains the first-choice drug for treatment. However, reports of genotoxicity and side effects underscore the necessity for new compounds to address this pressing global health concern. In this study, we synthesized ten pyrazole-nitroimidazoles 1(a-j) and 4-nitro-1-(hydroxyethyl)-1H-imidazole 2, an analog of metronidazole (MTZ), and assessed their trichomonacidal and cytotoxic effects. All compounds 1(a-j) and 2 exhibited IC50 values ≤ 20 μM and ≤ 41 μM, after 24 h and 48 h, respectively. Compounds 1d (IC50 5.3 μM), 1e (IC50 4.8 μM), and 1i (IC50 5.2 μM) exhibited potencies equivalent to MTZ (IC50 4.9 μM), the reference drug, after 24 h. Notably, compound 1i showed high anti-trichomonas activity after 24 h (IC50 5.2 μM) and 48 h (IC50 2.1 μM). Additionally, all compounds demonstrated either non-cytotoxic to HeLa cells (CC50 > 100 μM) or low cytotoxicity (CC50 between 69 and 100 μM). These findings suggest that pyrazole-nitroimidazole derivatives represent a promising heterocyclic system, serving as a potential lead for further optimization in trichomoniasis chemotherapy.
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Affiliation(s)
- Rafaela Corrêa Silva
- Laboratório de Síntese de Sistemas Heterocíclicos (LaSSH), Institute of Physics and Chemistry, Federal University of Itajubá, 1303 BPS Avenue, Pinheirinho, Itajubá-MG, 37500-903, Brazil
| | - Anna De Freitas
- Laboratório de Biologia Estrutural (LBE), Oswaldo Cruz Institute, Fiocruz, 4365 Brasil Avenue, Manguinhos, Rio de Janeiro-RJ, 21040-900, Brazil; Programa de Pós-graduação em Biologia Parasitária, Oswaldo Cruz Institute- Fiocruz, Brazil
| | - Bruno Vicente
- Laboratório de Biologia Estrutural (LBE), Oswaldo Cruz Institute, Fiocruz, 4365 Brasil Avenue, Manguinhos, Rio de Janeiro-RJ, 21040-900, Brazil; Programa de Pós-graduação em Biologia Celular e Molecular, Oswaldo Cruz Institute-Fiocruz, Brazil
| | - Victor Midlej
- Laboratório de Biologia Estrutural (LBE), Oswaldo Cruz Institute, Fiocruz, 4365 Brasil Avenue, Manguinhos, Rio de Janeiro-RJ, 21040-900, Brazil
| | - Maurício Silva Dos Santos
- Laboratório de Síntese de Sistemas Heterocíclicos (LaSSH), Institute of Physics and Chemistry, Federal University of Itajubá, 1303 BPS Avenue, Pinheirinho, Itajubá-MG, 37500-903, Brazil.
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7
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Monika, Chander, Sharma D, Sharma PK, Ram S. Synthesis and biological evaluation of novel benzenesulfonamide incorporated thiazole-triazole hybrids as antimicrobial and antioxidant agents. Arch Pharm (Weinheim) 2024; 357:e2300650. [PMID: 38154111 DOI: 10.1002/ardp.202300650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/30/2023]
Abstract
A library of 20 novel benzenesulfonamide incorporating thiazole tethered 1,2,3-triazoles 1-4a-e was synthesized and screened for their antimicrobial, antioxidant, and cytotoxicity studies. Amoxicillin and fluconazole were used as reference antibacterial and antifungal drugs, respectively. Further, energies of frontier molecular orbitals were calculated for all the synthesized target compounds 1-4a-e to correlate electronic parameters with the observed biological results. Global reactivity descriptors, including highest occupied molecular orbitals-lowest unoccupied molecular orbitals energy gap, electronegativity, chemical hardness, chemical softness, and electrophilicity index, were also calculated for the synthesized molecules. All the tested compounds possessed moderate to excellent antibacterial potency; however, 3d and 4d exhibited the overall highest antibacterial effect (minimum inhibitory concentration [MIC] values 5-11 µM) while 2c showed the highest antifungal effect (MIC value 6 µM). Compound 3c exhibited the highest antioxidant activity with a % radical scavenging activity value of 95.12. The cytotoxicity of the compounds 1-4a-e was also checked against an animal cell line and a plant seed germination cell line, and the compounds were found to be safe against both the tested cell lines.
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Affiliation(s)
- Monika
- Department of Chemistry, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
| | - Chander
- Department of Chemistry, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
| | - Deepansh Sharma
- Department of Life Sciences, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
| | - Pawan K Sharma
- Department of Chemistry, Central University of Haryana, Mahendergarh, India
- Department of Chemistry, Wesleyan University, Middletown, USA
| | - Sita Ram
- Department of Chemistry, J.C. Bose University of Science and Technology, YMCA, Faridabad, India
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8
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Mondal I, Halder AK, Pattanayak N, Mandal SK, Cordeiro MNDS. Shaping the Future of Obesity Treatment: In Silico Multi-Modeling of IP6K1 Inhibitors for Obesity and Metabolic Dysfunction. Pharmaceuticals (Basel) 2024; 17:263. [PMID: 38399478 PMCID: PMC10891520 DOI: 10.3390/ph17020263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
Recent research has uncovered a promising approach to addressing the growing global health concern of obesity and related disorders. The inhibition of inositol hexakisphosphate kinase 1 (IP6K1) has emerged as a potential therapeutic strategy. This study employs multiple ligand-based in silico modeling techniques to investigate the structural requirements for benzisoxazole derivatives as IP6K1 inhibitors. Firstly, we developed linear 2D Quantitative Structure-Activity Relationship (2D-QSAR) models to ensure both their mechanistic interpretability and predictive accuracy. Then, ligand-based pharmacophore modeling was performed to identify the essential features responsible for the compounds' high activity. To gain insights into the 3D requirements for enhanced potency against the IP6K1 enzyme, we employed multiple alignment techniques to set up 3D-QSAR models. Given the absence of an available X-ray crystal structure for IP6K1, a reliable homology model for the enzyme was developed and structurally validated in order to perform structure-based analyses on the selected dataset compounds. Finally, molecular dynamic simulations, using the docked poses of these compounds, provided further insights. Our findings consistently supported the mechanistic interpretations derived from both ligand-based and structure-based analyses. This study offers valuable guidance on the design of novel IP6K1 inhibitors. Importantly, our work exclusively relies on non-commercial software packages, ensuring accessibility for reproducing the reported models.
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Affiliation(s)
- Ismail Mondal
- Dr. B. C. Roy College of Pharmacy and Allied Health Sciences, Dr. Meghnad Saha Sarani, Bidhannagar, Durgapur 713206, India; (I.M.); (A.K.H.); (N.P.); (S.K.M.)
| | - Amit Kumar Halder
- Dr. B. C. Roy College of Pharmacy and Allied Health Sciences, Dr. Meghnad Saha Sarani, Bidhannagar, Durgapur 713206, India; (I.M.); (A.K.H.); (N.P.); (S.K.M.)
- LAQV@REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
| | - Nirupam Pattanayak
- Dr. B. C. Roy College of Pharmacy and Allied Health Sciences, Dr. Meghnad Saha Sarani, Bidhannagar, Durgapur 713206, India; (I.M.); (A.K.H.); (N.P.); (S.K.M.)
| | - Sudip Kumar Mandal
- Dr. B. C. Roy College of Pharmacy and Allied Health Sciences, Dr. Meghnad Saha Sarani, Bidhannagar, Durgapur 713206, India; (I.M.); (A.K.H.); (N.P.); (S.K.M.)
| | - Maria Natalia D. S. Cordeiro
- LAQV@REQUIMTE, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal
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Khalili NSD, Khawory MH, Salin NH, Zakaria II, Hariono M, Mikhaylov AA, Kamarulzaman EE, A Wahab H, Supratman U, Nurul Azmi M. Synthesis and biological activity of imidazole phenazine derivatives as potential inhibitors for NS2B-NS3 dengue protease. Heliyon 2024; 10:e24202. [PMID: 38293469 PMCID: PMC10825487 DOI: 10.1016/j.heliyon.2024.e24202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 01/04/2024] [Accepted: 01/04/2024] [Indexed: 02/01/2024] Open
Abstract
A series of new imidazole-phenazine derivatives were synthesized via a two-step process. The condensation of 2,3-diaminophenazine and benzaldehyde derivatives proceeds with intermediate formation of an aniline Schiff base, which undergoes subsequent cyclodehydrogenation in situ. The structures of the synthesized compounds were characterized by 1D and 2D NMR, FTIR and HRMS. A total of thirteen imidazole phenazine derivatives were synthesized and validated for their inhibitory activity as anti-dengue agents by an in vitro DENV2 NS2B-NS3 protease assay using a fluorogenic Boc-Gly-Arg-Arg-AMC substrate. Two para-substituted imidazole phenazines, 3e and 3k, were found to be promising lead molecules for novel NS2B-NS3 protease inhibitors with IC50 of 54.8 μM and 71.9 μM, respectively, compared to quercetin as a control (IC50 104.8 μM). The in silico study was performed using AutoDock Vina to identify the binding energy and conformation of 3e and 3k with the active site of the DENV2 NS2B-NS3 protease Wichapong model. The results indicate better binding properties of 3e and 3k with calculated binding energies of -8.5 and -8.4 kcal mol-1, respectively, compared to the binding energy of quercetin of -7.2 kcal mol-1, which corroborates well with the experimental observations.
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Affiliation(s)
- Nur Sarah Dyana Khalili
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- Natural Products and Synthesis Organic Research Laboratory (NPSO), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
| | - Muhammad Hidhir Khawory
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Nurul Hanim Salin
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
| | - Iffah Izzati Zakaria
- Malaysia Genome and Vaccine Institute, National Institutes of Biotechnology Malaysia, 43000 Kajang, Selangor, Malaysia
| | - Maywan Hariono
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
| | - Andrey A. Mikhaylov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 16/10 Miklukho-Maklaya St., Moscow, 117997, Russia
| | - Ezatul Ezleen Kamarulzaman
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
| | - Habibah A Wahab
- Malaysian Institute of Pharmaceuticals and Nutraceuticals, National Institutes of Biotechnology Malaysia, Gelugor, Pulau Pinang, Malaysia
- School of Pharmaceutical Sciences, Universiti Sains Malaysia, 11800 Minden, Pulau Pinang, Malaysia
| | - Unang Supratman
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, 45363 Jatinangor, Indonesia
| | - Mohamad Nurul Azmi
- Natural Products and Synthesis Organic Research Laboratory (NPSO), School of Chemical Sciences, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
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10
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Jain A, De S, Haloi P, Barman P. The solvent-regulated excited state reaction mechanism of 2-(2'-hydroxyphenyl)benzothiazole aggregates. Photochem Photobiol Sci 2024; 23:65-78. [PMID: 38006523 DOI: 10.1007/s43630-023-00499-x] [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: 04/18/2023] [Accepted: 10/20/2023] [Indexed: 11/27/2023]
Abstract
The excited state relaxation dynamics of 2-(2'-hydroxyphenyl)benzothiazole (HBT) in the gas phase and the solvents have been explored experimentally and theoretically. However, the fundamental mechanism of its emission in aggregates is still unexplored. In this article, we have presented a detail investigation of solvent-regulated excited state (ES) reactions for HBT aggregates with the aid of several experimental and theoretical research. The careful investigation of solvatochromic and electrochemical behavior elucidates that the emission around 460 nm of HBT in DMSO and DMSO-water fraction correspond to the excited state internal charge transfer (ESICT). The quantum chemical analysis further supports this observation. The concentration-dependent 1H NMR and emission studies of HBT in DMSO revealed the formation of aggregates at higher concentrations that facilitate the charge transfer. The emission pattern of HBT in the AcN-water fraction demonstrates that the sequential internal charge transfer-proton transfer (ESICT-ESIPT) occurs in HBT aggregates. The pH studies show that HBT aggregates are potential ratiometric sensors for near-physiological pH ranges. Moreover, a ground-state zwitterionic conformation of HBT is observed in the basic medium formed by ground-state internal proton transfer (GSIPT). Overall, this study provides a better understanding of solvent-regulated ES reaction mechanism in the case of HBT aggregates and other substituted HBT compound aggregates published previously.
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Affiliation(s)
- Abhinav Jain
- Department of Chemistry, National Institute of Technology, Silchar, Assam, 788010, India
| | - Soumik De
- Department of Chemistry, National Institute of Technology, Silchar, Assam, 788010, India
| | - Pankaj Haloi
- Department of Chemistry, National Institute of Technology, Silchar, Assam, 788010, India
| | - Pranjit Barman
- Department of Chemistry, National Institute of Technology, Silchar, Assam, 788010, India.
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11
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Pawariya V, De S, Dutta J. Chitosan-based Schiff bases: Promising materials for biomedical and industrial applications. Carbohydr Polym 2024; 323:121395. [PMID: 37940288 DOI: 10.1016/j.carbpol.2023.121395] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/28/2023] [Accepted: 09/12/2023] [Indexed: 11/10/2023]
Abstract
There is plenty of scope for modifying chitosan, an only polycationic natural polysaccharide, owing to its reactive functional groups, namely hydroxyl and amino groups. Although innumerable numbers of chitosan derivatives have been synthesized by modifying these groups and reported elsewhere, in this review article, an attempt has been exclusively made to demonstrate the syntheses of various chitosan-based Schiff bases (CSBs) simply by allowing the reactions of reactive amino groups of chitosan with different aldehydes/ketones of interest. Due to their very peculiar and unique characteristics, such as biodegradability, biocompatibility, metal-binding capability, etc., they are found to be very useful for diversified applications. Thus, we have also attempted to showcase their very specific biomedical fields, including tissue engineering, drug delivery, and wound healing, to name a few. In addition, we have also discussed the utilization of CSBs for industrial applications such as wastewater treatment, catalysis, corrosion inhibition, sensors, etc.
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Affiliation(s)
- Varun Pawariya
- Department of Chemistry, Amity School of Applied Sciences, Amity University Haryana, Gurgaon 122413, Haryana, India
| | - Soumik De
- Department of Chemistry, National Institute of Technology, Silchar, Silchar, Assam 788010, India
| | - Joydeep Dutta
- Department of Chemistry, Amity School of Applied Sciences, Amity University Haryana, Gurgaon 122413, Haryana, India.
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Mughal EU, Amjid S, Sadiq A, Naeem N, Nazir Y, Alrafai HA, Hassan AA, Al-Nami SY, Abdel Hafez AA, Ali Shah SW, Ghias M. Design and synthesis of 2-amino-4,6-diarylpyrimidine derivatives as potent α-glucosidase and α-amylase inhibitors: structure-activity relationship, in vitro, QSAR, molecular docking, MD simulations and drug-likeness studies. J Biomol Struct Dyn 2024; 42:244-260. [PMID: 37096830 DOI: 10.1080/07391102.2023.2198609] [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: 01/27/2023] [Accepted: 03/10/2023] [Indexed: 04/26/2023]
Abstract
In the present study, a series of 2-amino-4,6-diarylpyrimidine derivatives was designed, synthesized, characterized and evaluated for their in vitro α-glucosidase and α-amylase enzyme inhibition assays. The outcomes proved that this class of compounds exhibit considerable inhibitory activity against both enzymes. Among the target compounds, compounds 4p and 6p demonstrated the most potent dual inhibition with IC50 = 0.087 ± 0.01 μM for α-glucosidase; 0.189 ± 0.02 μM for α-amylase and IC50 = 0.095 ± 0.03 μM for α-glucosidase; 0.214 ± 0.03 μM for α-amylase, respectively as compared to the standard rutin (IC50 = 0.192 ± 0.02 μM for α-glucosidase and 0.224 ± 0.02 μM for α-amylase). Remarkably, the enzyme inhibition results indicate that test compounds have stronger inhibitory effect on the target enzymes than the positive control, with a significantly lower IC50 value. Moreover, these series of compounds were found to inhibit α-glucosidase activity in a reversible mixed-type manner with IC50 between 0.087 ± 0.01 μM to 1.952 ± 0.26 μM. Furthermore, molecular docking studies were performed to affirm the binding interactions of this scaffold to the active sites of α-glucosidase and α-amylase enzymes. The quantitative structure-activity relationship (QSAR) investigations showed a strong association between 1p-15p structures and their inhibitory actions (IC50) with a correlation value (R2) of 0.999916. Finally, molecular dynamic (MD) simulations were carried out to assess the dynamic behavior, stability of the protein-ligand complex, and binding affinity of the most active inhibitor 4p. The experimental and theoretical results therefore exposed a very good compatibility. Additionally, the drug-likeness assay revealed that some compounds exhibit a linear association with Lipinski's rule of five, indicating good drug-likeness and bioactivity scores for pharmacological targets.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | - Samreen Amjid
- Department of Chemistry, University of Gujrat, Gujrat, Pakistan
| | - Amina Sadiq
- Department of Chemistry, Govt. College Women University, Sialkot, Pakistan
| | - Nafeesa Naeem
- Department of Chemistry, University of Gujrat, Gujrat, Pakistan
| | - Yasir Nazir
- Department of Chemistry, Allama Iqbal Open University, Islamabad, Pakistan
| | - H A Alrafai
- Department of Chemistry, Faculty of Science, King Khalid University, Abraham, Saudi Arabia
| | - Abeer A Hassan
- Department of Chemistry, Faculty of Science, King Khalid University, Abraham, Saudi Arabia
| | - Samar Y Al-Nami
- Department of Chemistry, Faculty of Science, King Khalid University, Abraham, Saudi Arabia
| | - Amal A Abdel Hafez
- Department of Chemistry, Faculty of Science, King Khalid University, Abraham, Saudi Arabia
| | - Syed Wadood Ali Shah
- Department of Pharmacy, University of Malakand, Chakdara Dir, Khyber Pakhtunkhwa, Pakistan
| | - Mehreen Ghias
- Department of Pharmacy, University of Malakand, Chakdara Dir, Khyber Pakhtunkhwa, Pakistan
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13
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da Silva-Júnior EF, Zhan P. Recent advances in medicinal chemistry of Neglected Tropical Diseases (NTDs). Eur J Med Chem 2023; 259:115714. [PMID: 37563036 DOI: 10.1016/j.ejmech.2023.115714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Affiliation(s)
- Edeildo Ferreira da Silva-Júnior
- Biological and Molecular Chemistry Research Group, Institute of Chemistry and Biotechnology, Federal University of Alagoas, Lourival Melo Mota Avenue, AC. Simões Campus, 57072-970, Alagoas, Maceió, Brazil.
| | - Peng Zhan
- Department of Medicinal Chemistry, Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, 44 West Culture Road, 250012, Jinan, Shandong, PR China
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14
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Mishra S, Aamna B, Parida S, Dan AK. Carbon-based biosensors: Next-generation diagnostic tool for target-specific detection of SARS-CoV-2 (COVID-19). TALANTA OPEN 2023; 7:100218. [PMID: 37131405 PMCID: PMC10125215 DOI: 10.1016/j.talo.2023.100218] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 04/01/2023] [Accepted: 04/24/2023] [Indexed: 05/04/2023] Open
Abstract
Severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) was declared a global pandemic in 2020. Having rapidly spread around the globe, with the emergence of new variants, there is a crucial need to develop diagnostic kits for its rapid detection. Since it validated accuracy and reliability, the reverse transcription polymerase chain reaction (RT-PCR) test has been declared the gold standard for disease detection. However, despite its reliability, the requirement of specialized facilities, reagents, and duration of a PCR run limits its usage for rapid detection. There is thus a continuous increase in the design and development of rapid, point-of-care (PoC), and cost-effective diagnostic kits. In this review, we discuss the potential of carbon-based biosensors for target-specific detection of coronavirus disease 19 (COVID-19) and present an overview of investigation within the timeframe of the last four years (2019-2022), which have developed novel platforms using carbon nanomaterial-based approaches for viral detection. The approaches discussed offer rapid, accurate, and cost-effective strategies for COVID-19 detection for healthcare personnel and research workers.
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Affiliation(s)
- Shivam Mishra
- School of Biotechnology, Kalinga Institute of Industrial Technology (Deemed to be University), Bhubaneswar, Odisha, 751024, India
| | - Bari Aamna
- School of Biotechnology, Kalinga Institute of Industrial Technology (Deemed to be University), Bhubaneswar, Odisha, 751024, India
| | - Sagarika Parida
- Department of Botany, School of Applied Sciences, Centurion University of Technology and Management, Bhubaneswar, Odisha, 752050, India
| | - Aritra Kumar Dan
- School of Biotechnology, Kalinga Institute of Industrial Technology (Deemed to be University), Bhubaneswar, Odisha, 751024, India
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15
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Borges RS, Aguiar CPO, Oliveira NLL, Amaral INA, Vale JKL, Chaves Neto AMJ, Queiroz AN, da Silva ABF. Antioxidant capacity of simplified oxygen heterocycles and proposed derivatives by theoretical calculations. J Mol Model 2023; 29:232. [PMID: 37407749 DOI: 10.1007/s00894-023-05602-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 05/22/2023] [Indexed: 07/07/2023]
Abstract
CONTEXT Some structural properties can be involved in the antioxidant capacity of several polyphenol derivatives, among them their simplified structures. This study examines the contribution of simplified structure for the antioxidant capacity of some natural and synthetic antioxidants. The resonance structures were related to the π-type electron system of carbon-carbon double bonds between both phenyl rings. Trans-resveratrol, phenyl-benzofuran, phenyl-indenone, and benzylidene-benzofuranone are the best basic antioxidant templates among the simplified derivatives studied here. Additionally, the stilbene moiety was found on the molecules with the best antioxidant capacity. Furthermore, our investigation suggests that these compounds can be used as antioxidant scaffold for designing and developing of new promising derivatives. METHODS To investigate the structure-antioxidant capacity for sixteen simplified natural and proposed derivatives we have employed density functional theory and used Gaussian 09. Our DFT calculations were performed using the B3LYP functional and the 6-31+G(d,p) basis set. All electron transfer mechanisms were investigated by using values of HOMO, ionization potential, energy affinity, stabilization energies, and spin density distributions.
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Affiliation(s)
- Rosivaldo S Borges
- Núcleo de Estudos e Seleção de Compostos Bioativos, Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, 66075-110, Brazil.
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, São Carlos, SP, 13560-970, Brazil.
| | - Christiane P O Aguiar
- Núcleo de Estudos e Seleção de Compostos Bioativos, Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, 66075-110, Brazil
| | - Nicole L L Oliveira
- Núcleo de Estudos e Seleção de Compostos Bioativos, Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, 66075-110, Brazil
| | - Israel N A Amaral
- Núcleo de Estudos e Seleção de Compostos Bioativos, Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, 66075-110, Brazil
| | - Joyce K L Vale
- Núcleo de Estudos e Seleção de Compostos Bioativos, Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, 66075-110, Brazil
| | - Antonio M J Chaves Neto
- Faculdade de Física, Instituto de Ciências Exatas e Naturais, Universidade Federal do Pará, Belém, PA, 66075-110, Brazil
| | - Auriekson N Queiroz
- Núcleo de Estudos e Seleção de Compostos Bioativos, Instituto de Ciências da Saúde, Universidade Federal do Pará, Belém, PA, 66075-110, Brazil
| | - Albérico B F da Silva
- Instituto de Química de São Carlos, Universidade de São Paulo, CP 780, São Carlos, SP, 13560-970, Brazil
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16
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Iqbal G, Javed H, Raza FA, Gohar UF, Fatima W, Khurshid M. Diagnosis of Acute Dengue Virus Infection Using Enzyme-Linked Immunosorbent Assay and Real-Time PCR. THE CANADIAN JOURNAL OF INFECTIOUS DISEASES & MEDICAL MICROBIOLOGY = JOURNAL CANADIEN DES MALADIES INFECTIEUSES ET DE LA MICROBIOLOGIE MEDICALE 2023; 2023:3995366. [PMID: 37261378 PMCID: PMC10228213 DOI: 10.1155/2023/3995366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 05/02/2023] [Accepted: 05/04/2023] [Indexed: 06/02/2023]
Abstract
Dengue fever is a viral infection caused by the dengue virus and is a growing concern for public health worldwide, particularly in tropical and subtropical regions. This study aimed to assess the diagnostic accuracy of a commercially available NS1 ELISA kit for dengue fever in Pakistan using multiplex qRT-PCR as the gold standard. The study recruited 1236 suspected cases of dengue fever admitted to public sector hospitals in Lahore, Pakistan. Of the suspected cases, 610 (49.3%) were confirmed positive for DENV infection through qRT-PCR, with all four serotypes detected. DENV-2 was the most prevalent serotype, detected in 95.7% of cases. The NS1 ELISA kit detected 71.1% of the positive cases. However, the diagnostic accuracy of the NS1 ELISA kit was found to be only 64.89%. Of the 610 confirmed cases, 68% were male and 32% were female, with a median age of 30 years. Dengue fever was diagnosed in 91.8% of cases, while 8.2% were diagnosed with dengue hemorrhagic fever (DHF). DHF patients had a higher prevalence of abdominal pain, hemorrhagic manifestations, and thrombocytopenia. The cocirculation of all four DENV serotypes in Lahore is concerning and could lead to more severe forms of the disease, such as DHF or dengue shock syndrome, in the future. The study highlights the low diagnostic accuracy of commercially available NS1 ELISA kits and emphasizes the importance of using molecular methods to confirm acute dengue infections. Given the increasing prevalence of dengue fever in developing countries like Pakistan, more accurate and reliable diagnostic tools are needed for effective disease management and control.
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Affiliation(s)
- Gohar Iqbal
- Provincial Public Health Reference Laboratory, Punjab AIDS Control Program, Primary and Secondary Healthcare Department, Government of the Punjab, Lahore, Pakistan
| | - Hasnain Javed
- Provincial Public Health Reference Laboratory, Punjab AIDS Control Program, Primary and Secondary Healthcare Department, Government of the Punjab, Lahore, Pakistan
| | - Faiz Ahmed Raza
- Health Research Institute, National Institutes of Health Research Centre, King Edward Medical University, Lahore, Pakistan
| | - Umar Farooq Gohar
- Institute of Industrial Biotechnology, Government College University Lahore, Lahore, Pakistan
| | - Warda Fatima
- Institute of Microbiology and Molecular Genetics, University of the Punjab, Lahore, Pakistan
| | - Mohsin Khurshid
- Institute of Microbiology, Government College University Faisalabad, Faisalabad, Pakistan
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17
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Kim Y, Kim SY, Kim SG. Organocatalytic Asymmetric [3 + 2]-Annulations of γ-Sulfonamido/γ-Hydroxy-α,β-Unsaturated Ketones with Cyclic N-Sulfimines: Synthesis of Chiral Polyheterotricyclic Imidazolidines and Oxazolidines. J Org Chem 2023; 88:1113-1127. [PMID: 36580571 DOI: 10.1021/acs.joc.2c02634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The first organocatalytic asymmetric [3 + 2]-annulation of γ-sulfonamido-α,β-unsaturated ketones with cyclic N-sulfimines has been developed, and enantioenriched functionalized polyheterotricyclic imidazolidines were obtained in good yields and with excellent enantioselectivities. This approach was also extended to the asymmetric [3 + 2]-annulation of γ-hydroxy-α,β-unsaturated ketones, affording enantioenriched polyheterotricyclic oxazolidines. In addition, base-catalyzed [3 + 2]-annulations of γ-sulfonamido/γ-hydroxy-α,β-unsaturated ketones with cyclic N-sulfimines were re-investigated under mild reaction conditions for the synthesis of racemic polyheterotricyclic imidazolidines and oxazolidines with excellent diastereoselectivities.
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Affiliation(s)
- Yoseop Kim
- Department of Chemistry, College of Natural Science, Kyonggi University, 154-42 Gwanggyosan-ro, Yeongtong-gu, Suwon 16227, Republic of Korea
| | - Seung Yeon Kim
- Department of Chemistry, College of Natural Science, Kyonggi University, 154-42 Gwanggyosan-ro, Yeongtong-gu, Suwon 16227, Republic of Korea
| | - Sung-Gon Kim
- Department of Chemistry, College of Natural Science, Kyonggi University, 154-42 Gwanggyosan-ro, Yeongtong-gu, Suwon 16227, Republic of Korea
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18
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Kakakhan C, Türkeş C, Güleç Ö, Demir Y, Arslan M, Özkemahlı G, Beydemir Ş. Exploration of 1,2,3-triazole linked benzenesulfonamide derivatives as isoform selective inhibitors of human carbonic anhydrase. Bioorg Med Chem 2023; 77:117111. [PMID: 36463726 DOI: 10.1016/j.bmc.2022.117111] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/13/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022]
Abstract
A novel series of 1,2,3-triazole benzenesulfonamide substituted 1,3-dioxoisoindolin-5-carboxylate (7a-l) inhibitors of human α-carbonic anhydrase (hCA) was designed using a tail approach. The design method relies on the hybridization of a benzenesulfonamide moiety with a tail of 1,3-dioxoisoindoline-5-carboxylate and a zinc-binding group on a 1,2,3-triazole scaffold. Among the synthesized analogues, 2‑iodophenyl (7f, KI of 105.00 nM and SI of 2.98) and 2‑naphthyl (7h, KI of 32.11 nM and SI of 3.48) analogues (over off-target hCA I) and phenyl (7a, KI of 50.13 nM and SI of 2.74) and 2,6‑dimethylphenyl (7d, KI of 50.60 nM and SI of 3.35) analogues (over off-target hCA II) exhibited a remarkable selectivity for tumor isoforms hCA IX and XII, respectively. Meanwhile, analogue 7a displayed a potent inhibitory effect against the tumor-associated isoform hCA IX (KI of 18.29 nM) compared with the reference drug acetazolamide (AAZ, KI of 437.20 nM), and analogue 7h showed higher potency (KI of 9.22 nM) than AAZ (KI of 338.90 nM) against another tumor-associated isoform hCA XII. However, adding the lipophilic large naphthyl tail to the 1,3-dioxoisoindolin-5-carboxylate analogues increased both the hCA inhibitory and selective activities against the target isoform, hCA XII. Additionally, these analogues (7a-l) showed IC50 values against the human lung (A549) adenocarcinoma cancer cell line ranging from 129.71 to 352.26 μM. The results of the molecular docking study suggested that the sulfonamide moiety fits snugly into the hCAs active sites and interacts with the Zn2+ ion. At the same time, the tail extension engages in various hydrophilic and hydrophobic interactions with the nearby amino acids, which affects the potency and selectivity of the hybrids.
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Affiliation(s)
- Chnar Kakakhan
- Department of Chemistry, Faculty of Arts and Science, Sakarya University, 54187 Sakarya, Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, 24002 Erzincan, Turkey.
| | - Özcan Güleç
- Department of Chemistry, Faculty of Arts and Science, Sakarya University, 54187 Sakarya, Turkey
| | - Yeliz Demir
- Department of Pharmacy Services, Nihat Delibalta Göle Vocational High School, Ardahan University, 75700 Ardahan, Turkey
| | - Mustafa Arslan
- Department of Chemistry, Faculty of Arts and Science, Sakarya University, 54187 Sakarya, Turkey.
| | - Gizem Özkemahlı
- Department of Toxicology, Faculty of Pharmacy, Erzincan Binali Yıldırım University, 24002 Erzincan, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, 26470 Eskişehir, Turkey; The Rectorate of Bilecik Şeyh Edebali University, 11230 Bilecik, Turkey
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Kariuki BM, Abdel-Wahab BF, Mohamed HA, Bekheit MS, El-Hiti GA. Synthesis and Characterization of Novel 2-(1,2,3-Triazol-4-yl)-4,5-dihydro-1 H-pyrazol-1-yl)thiazoles and 2-(4,5-Dihydro-1 H-pyrazol-1-yl)-4-(1 H-1,2,3-triazol-4-yl)thiazoles. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248904. [PMID: 36558037 PMCID: PMC9786072 DOI: 10.3390/molecules27248904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/08/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
Reactions of 1-(5-methyl)-1H-1,2,3-triazol-4-yl)ethan-1-ones and benzaldehydes in ethanol under basic conditions gave the corresponding chalcones. Reactions of the chalcones combined with thiosemicarbazide in dry ethanol containing sodium hydroxide afforded the corresponding pyrazolin-N-thioamides. Reactions of the synthesized pyrazolin-N-thioamides and several ketones (namely, ethyl 2-chloro-3-oxobutanoate, 2-bromoacetylbenzofuran, and hydrazonoyl chloride) gave the corresponding novel 2-(1,2,3-triazol-4-yl)-4,5-dihydro-1H-pyrazol-1-yl)thiazoles in high yields (77-90%). Additionally, 2-(4,5-dihydro-1H-pyrazol-1-yl)-4-(1H-1,2,3-triazol-4-yl)thiazoles were obtained in high yields (84-87%) from reactions with N-pyrazoline-thioamides and 4-bromoacetyl-1,2,3-triazoles under basic conditions. The structures of six of the newly synthesized heterocycles were confirmed by X-ray crystallography.
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Affiliation(s)
- Benson M. Kariuki
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK
- Correspondence: (B.M.K.); (G.A.E.-H.); Tel.: +44-29-2087-0401 (B.M.K.); +966-1-1469-3778 (G.A.E.-H.); Fax: +966-1-1469-3536 (G.A.E.-H.)
| | - Bakr F. Abdel-Wahab
- Applied Organic Chemistry Department, Chemical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Hanan A. Mohamed
- Applied Organic Chemistry Department, Chemical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Mohamed S. Bekheit
- Department of Pesticide Chemistry, National Research Centre, Dokki, Giza 12622, Egypt
| | - Gamal A. El-Hiti
- Department of Optometry, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia
- Correspondence: (B.M.K.); (G.A.E.-H.); Tel.: +44-29-2087-0401 (B.M.K.); +966-1-1469-3778 (G.A.E.-H.); Fax: +966-1-1469-3536 (G.A.E.-H.)
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20
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Efficient synthesis of 2-aryl benzothiazoles mediated by Vitreoscilla hemoglobin. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Sericin nanoparticles: Future nanocarrier for target-specific delivery of chemotherapeutic drugs. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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22
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Xu X, Chen Y, Lu X, Zhang W, Fang W, Yuan L, Wang X. An update on inhibitors targeting RNA-dependent RNA polymerase for COVID-19 treatment: Promises and challenges. Biochem Pharmacol 2022; 205:115279. [PMID: 36209840 PMCID: PMC9535928 DOI: 10.1016/j.bcp.2022.115279] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Revised: 09/27/2022] [Accepted: 09/27/2022] [Indexed: 01/18/2023]
Abstract
The highly transmissible variants of SARS-CoV-2, the causative pathogen of the COVID-19 pandemic, bring new waves of infection worldwide. Identification of effective therapeutic drugs to combat the COVID-19 pandemic is an urgent global need. RNA-dependent RNA polymerase (RdRp), an essential enzyme for viral RNA replication, is the most promising target for antiviral drug research since it has no counterpart in human cells and shows the highest conservation across coronaviruses. This review summarizes recent progress in studies of RdRp inhibitors, focusing on interactions between these inhibitors and the enzyme complex, based on structural analysis, and their effectiveness. In addition, we propose new possible strategies to address the shortcomings of current inhibitors, which may guide the development of novel efficient inhibitors to combat COVID-19.
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Affiliation(s)
- Xiaoying Xu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Yuheng Chen
- The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - Xinyu Lu
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Wanlin Zhang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Wenxiu Fang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Luping Yuan
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China
| | - Xiaoyan Wang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 311402, China.
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23
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De S, Dan AK, Sahu R, Das D. Asymmetric Synthesis of Halocyclized Products by Using Various Catalysts: A State‐of‐the‐Art Review. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Soumik De
- NIT Silchar: National Institute of Technology Silchar Department of Chemistry QQ5R+3WM, NIT Road, Fakiratilla 788010 Silchar INDIA
| | - Aritra Kumar Dan
- KIIT School of Biotechnology Department of Biotechnology School Of Biotechnology, KIIT ,Campus 11, Patia 751024 Bhubaneswar INDIA
| | - Raghaba Sahu
- Seoul National University College of Pharmacy College of Pharmacy 1 Gwanak-ro, Gwanak-gu 08826 KOREA, REPUBLIC OF
| | - Debadutta Das
- RITE: Radhakrishna Institute of Technology and Engineering Chemistry Barunai Temple Rd, IDCO-01, IDCO Industrial Estate, Barunei 752057 Khordha INDIA
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