1
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Eleuteri M, Desantis J, Cruciani G, Germani R, Goracci L. Use of ionic liquids in amidation reactions for proteolysis targeting chimera synthesis. Org Biomol Chem 2024; 22:3477-3489. [PMID: 38602033 DOI: 10.1039/d4ob00304g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
Selective degradation of disease-causing proteins using proteolysis targeting chimeras (PROTACs) has gained great attention, thanks to its several advantages over traditional therapeutic modalities. Despite the advances made so far, the structural chemical complexity of PROTACs poses challenges in their synthetic approaches. PROTACs are typically prepared through a convergent approach, first synthesizing two fragments separately (target protein and E3 ligase ligands) and then coupling them to produce a fully assembled PROTAC. The amidation reaction represents the most common coupling exploited in PROTACs synthesis. Unfortunately, the overall isolated yields of such synthetic procedures are usually low due to one or more purification steps to obtain the final PROTAC with acceptable purity. In this work, we focused our attention on the optimization of the final amidation step for the synthesis of an anti-SARS-CoV-2 PROTAC by investigating different amidation coupling reagents and a range of alternative solvents, including ionic liquids (ILs). Among the ILs screened, [OMIM][ClO4] emerged as a successful replacement for the commonly used DMF within the HATU-mediated amidation reaction, thus allowing the synthesis of the target PROTAC under mild and sustainable conditions in very high isolated yields. With the optimised conditions in hand, we explored the scalability of the synthetic approach and the substrate scope of the reaction by employing different E3 ligase ligand (VHL and CRBN)-based intermediates containing linkers of different lengths and compositions or by using different target protein ligands. Interestingly, in all cases, we obtained high isolated yields and complete conversion in short reaction times.
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Affiliation(s)
- Michela Eleuteri
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy.
| | - Jenny Desantis
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy.
| | - Gabriele Cruciani
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy.
| | - Raimondo Germani
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy.
| | - Laura Goracci
- Department of Chemistry, Biology, and Biotechnology, University of Perugia, Italy.
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2
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Zhuo Y, Cheng HL, Zhao YG, Cui HR. Ionic Liquids in Pharmaceutical and Biomedical Applications: A Review. Pharmaceutics 2024; 16:151. [PMID: 38276519 PMCID: PMC10818567 DOI: 10.3390/pharmaceutics16010151] [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: 11/07/2023] [Revised: 01/12/2024] [Accepted: 01/18/2024] [Indexed: 01/27/2024] Open
Abstract
The unique properties of ionic liquids (ILs), such as structural tunability, good solubility, chemical/thermal stability, favorable biocompatibility, and simplicity of preparation, have led to a wide range of applications in the pharmaceutical and biomedical fields. ILs can not only speed up the chemical reaction process, improve the yield, and reduce environmental pollution but also improve many problems in the field of medicine, such as the poor drug solubility, product crystal instability, poor biological activity, and low drug delivery efficiency. This paper presents a systematic and concise analysis of the recent advancements and further applications of ILs in the pharmaceutical field from the aspects of drug synthesis, drug analysis, drug solubilization, and drug crystal engineering. Additionally, it explores the biomedical field, covering aspects such as drug carriers, stabilization of proteins, antimicrobials, and bioactive ionic liquids.
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Affiliation(s)
- Yue Zhuo
- School of Biomedical Science and Engineering, South China University of Technology, Guangzhou 511442, China;
| | - He-Li Cheng
- Shanghai Municipal Center for Disease Control & Prevention, Shanghai 200336, China;
| | - Yong-Gang Zhao
- College of Biological and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
- College of Life Sciences, Wuchang University of Technology, Wuhan 430223, China
| | - Hai-Rong Cui
- College of Life Sciences, Wuchang University of Technology, Wuhan 430223, China
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3
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Martins D, Lamosa R, da Silva TU, Ligiero CBP, de Paula Machado S, Cukierman DS, Rey NA. Effects of the aldehyde-derived ring substituent on the properties of two new bioinspired trimethoxybenzoylhydrazones: methyl vs nitro groups. Beilstein J Org Chem 2023; 19:1713-1727. [PMID: 38025090 PMCID: PMC10644011 DOI: 10.3762/bjoc.19.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 11/01/2023] [Indexed: 12/01/2023] Open
Abstract
N-Acylhydrazones are a versatile class of organic compounds with a diversity of potential applications. In this study, two new structure-related 3,4,5-trimethoxybenzoyl-containing N-acylhydrazones were synthesized and fully characterized, both in solution and in the solid state. The compounds differ with respect to the carbonyl precursors, i.e., 3-substituted salicylaldehydes with either a methyl or a nitro group. Single crystals of both compounds were isolated from the respective mother liquors and, in both cases, XRD confirmed the obtention of the (E)-isomer, in an anti-conformation. Computational calculations (gas and water phases) were performed in order to confirm some of the structural and vibrational aspects of the compounds. An important intramolecular H bond involving the phenolic hydroxy group and the azomethine nitrogen was identified in the solid state and seems to be maintained in solution. Moreover, the presence of the electron-withdrawing nitro substituent makes this interaction stronger. However, the contact should probably not subsist for the nitro compound under physiological conditions since the presence of this substituent significantly affects the pKa of the phenol: an apparent value of 5.68 ± 0.02 was obtained. This also impacts the basicity of the azomethine nitrogen and, as a consequence, increases the hydrazone's susceptibility to hydrolysis. Nevertheless, both compounds are stable at physiological-like conditions, especially the methyl-derived one, which qualifies them for further toxicological and activity studies, such as those involving trivalent metal ions sequestering in the context of neurodegenerative diseases.
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Affiliation(s)
- Dayanne Martins
- Departmento de Química, Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
| | - Roberta Lamosa
- Departmento de Química, Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
| | - Talis Uelisson da Silva
- Instituto de Química, Universidade Federal Rural do Rio de Janeiro (UFRRJ), Seropédica 23890-000, Brazil
| | - Carolina B P Ligiero
- Departamento de Química Inorgânica, Universidade Federal Fluminense (UFF), Niterói, 24020-141, Brazil
| | - Sérgio de Paula Machado
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro 21945-970, Brazil
| | - Daphne S Cukierman
- Departmento de Química, Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
- Departamento de Química Geral e Inorgânica, Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, 20950-000, Brazil
| | - Nicolás A Rey
- Departmento de Química, Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
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4
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Almaghrabi M, Musa A, Aljohani AKB, Ahmed HEA, Alsulaimany M, Miski SF, Mostafa EM, Hussein S, Parambi DGT, Ghoneim MM, Elgammal WE, Halawa AH, Hammad A, El-Agrody AM. Introducing of novel class of pyrano[2,3- c]pyrazole-5-carbonitrile analogs with potent antimicrobial activity, DNA gyrase inhibition, and prominent pharmacokinetic and CNS toxicity profiles supported by molecular dynamic simulation. J Biomol Struct Dyn 2023:1-18. [PMID: 37661733 DOI: 10.1080/07391102.2023.2252088] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/20/2023] [Indexed: 09/05/2023]
Abstract
Microbiological DNA gyrase is recognized as an exceptional microbial target for the innovative development of low-resistant and more effective antimicrobial drugs. Hence, we introduced a one-pot facile synthesis of a novel pyranopyrazole scaffold bearing different functionalities; substituted aryl ring, nitrile, and hydroxyl groups. All new analogs were characterized with full spectroscopic data. The antimicrobial screening for all analogs was assessed against standard strains of Gm + ve and Gm-ve through in vitro considers. The screened compounds displayed very promising MIC/MBC values against some of the bacterial strains with broad or selective antibacterial effects. Of these, 4j biphenyl analog showed 0.5-2/2-8 µg/mL MIC/MBC for suppression and killing of Gm + ve and Gm-ve strains. Moreover, the antimicrobial screening was assessed for the most potent analogs against certain highly resistant microbial strains. Consequently, DNA gyrase supercoiling assay was done for all analogs using ciprofloxacin as reference positive control. Obviously, the results showed a different activity profile with potent analog 4j with IC50 value 6.29 µg/mL better than reference drug 10.2 µg/mL. Additionally, CNS toxicity testing was done using the HiB5 cell line for attenuation of GABA/NMDA expression to both 4j and ciprofloxacin compounds that revealed better neurotransmitter modulation by novel scaffold. Importantly, docking and dynamic simulations were performed for the most active 4j analog to investigate its interaction with DNA binding sites, which supported the in vitro observations and compound stability with binding pocket. Finally, a novel scaffold pyranopyrazole was introduced as a DNA gyrase inhibitor with prominent antibacterial efficacy and low CNS side effect toxicity better than quinolones.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Mohammed Almaghrabi
- Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Arafa Musa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Ahmed K B Aljohani
- Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Hany E A Ahmed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Marwa Alsulaimany
- Pharmacognosy and Pharmaceutical Chemistry Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Samar F Miski
- Pharmacology and Toxicology Department, College of Pharmacy, Taibah University, Medina, Saudi Arabia
| | - Ehab M Mostafa
- Department of Pharmacognosy, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Shaimaa Hussein
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Della Grace Thomas Parambi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Aljouf, Saudi Arabia
| | - Mohammed M Ghoneim
- Department of Pharmacy Practice, College of Pharmacy, AlMaarefa University, Ad Diriyah, Saudi Arabia
| | - Walid E Elgammal
- Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
| | - Ahmed H Halawa
- Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
| | - Ali Hammad
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Nasr City, Cairo, Egypt
| | - Ahmed M El-Agrody
- Chemistry Department, Faculty of Science, Al-Azhar University, Nasr City, Egypt
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5
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Song X, Tian R, Liu K. Recent advances in the application of ionic liquids in antimicrobial material for air disinfection and sterilization. Front Cell Infect Microbiol 2023; 13:1186117. [PMID: 37265495 PMCID: PMC10230022 DOI: 10.3389/fcimb.2023.1186117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 05/04/2023] [Indexed: 06/03/2023] Open
Abstract
Airborne transmission is one of the most unpredictable routes of infection. Nowadays, airborne diseases increase ever than before because of the complex living air environment. Apart from the inorganic particles, active microorganisms including bacteria, viruses, and fungi are incorporated in the pathogens acting as threaten to public health, which can hardly be treated by the traditional air purification methods based on adsorption. Therefore, effective filtration material with antimicrobial activity is demanded to solve the problem. Ionic liquids (ILs) are a category of salts that remain liquid at room temperature. The stable physico-chemical properties and extremely low vapor pressure make them suitable for a wide range of applications. Thanks to the numerous combinations of cations and anions, as well as the ability of inheriting properties from the parent ions, Ils are believed to be a promising industrial material. In recent decades, several Ils, such as imidazolium, pyridinium, pyrrolidinium, phosphonium, and choline, have been found to have antimicrobial activity in their monomeric or polymeric forms. This work focuses on the antimicrobial activity and safety of the latest types of ionic liquids, discussing the synthesis or manufacturing methods of Ils for air purification and filtration. Furthermore, possible applications of Ils antimicrobial materials in medical instruments and indoor environments are mentioned to encourage the scientific community to further explore the potential applications of Ils.
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Affiliation(s)
- Xizi Song
- Division of Environment and Sustainability, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, Hong Kong SAR, China
| | - Rujin Tian
- University of Health and Rehabilitation Sciences Qingdao Hospital (Qingdao Municipal Hospital), Qingdao, Shandong, China
| | - Kai Liu
- University of Health and Rehabilitation Sciences Qingdao Hospital (Qingdao Municipal Hospital), Qingdao, Shandong, China
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6
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Moneer EA, Bakr BA, Akl SH, Shahin YH, Elwakil BH, Hagar M, Paudel KR, Aljuhani A, Aouad MR, Rezki N. Design and synthesis of novel bis-pyridinium based-ionic liquids as potent antiparasitic agents. Heliyon 2023; 9:e15431. [PMID: 37151718 PMCID: PMC10161609 DOI: 10.1016/j.heliyon.2023.e15431] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/24/2023] [Accepted: 04/07/2023] [Indexed: 05/09/2023] Open
Abstract
Focused bis-pyridinium based-ionic liquids were successfully synthesized through the quaternization of the selected 1,2-di(pyridin-4-yl)ethane followed by metathetical anion exchange. The synthesized pyridinium derivatives were fully characterized using various NMR-spectroscopic techniques including 1H, 13C, 11B, 31P and 19F NMR. The synthesized compounds were tested for their potential effect against Toxoplasma gondii. It was revealed that compound 5 had higher antiparasitic activity compared to other compounds. Parasitic reduction percentage reached 38, 50, 77 and 79 for groups III, IV, V and VI respectively in the liver with noticed distortion and deformation in tachyzoites' shape. Surprisingly there was no statistically significant difference between the synthesized compound 5 and the known anti-toxoplasmosis drug pyrimethamine. Histopathological study proved the effectiveness of the synthesized compound 5 on liver, spleen and brain tissues with observed better histological features compared to pyrimethamine treated group. The present investigation may pave the way to the possible use of compound 5 to replace the known drug pyrimethamine with better antiparasitic profile and fewer side effects.
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Affiliation(s)
- Esraa Abdelhamid Moneer
- Department of Medical Laboratory Technology, Faculty of Applied Health Sciences Technology, Pharos University in Alexandria, Alexandria, Egypt
| | - Basant A. Bakr
- Department of Zoology, Faculty of Science, Alexandria University, Alexandria, 21321, Egypt
| | - Sara H. Akl
- Department of Medical Laboratory Technology, Faculty of Applied Health Sciences Technology, Pharos University in Alexandria, Alexandria, Egypt
| | - Yahya H. Shahin
- Department of Medical Laboratory Technology, Faculty of Applied Health Sciences Technology, Pharos University in Alexandria, Alexandria, Egypt
| | - Bassma H. Elwakil
- Department of Medical Laboratory Technology, Faculty of Applied Health Sciences Technology, Pharos University in Alexandria, Alexandria, Egypt
- Corresponding author.
| | - Mohamed Hagar
- Department of Chemistry, Faculty of Science, Alexandria University, Alexandria, 21321, Egypt
| | - Keshav Raj Paudel
- Department of Oriental Medicine Resources, Mokpo National University, Muan-gun, Jeonnam, 58554, Republic of Korea
| | - Ateyatallah Aljuhani
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah, 30002, Saudi Arabia
| | - Mohamed Reda Aouad
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah, 30002, Saudi Arabia
| | - Nadjet Rezki
- Department of Chemistry, College of Science, Taibah University, Al-Madinah Al-Munawarah, 30002, Saudi Arabia
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7
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Abdelalatif AM, Elwakil BH, Mohamed MZ, Hagar M, Olama ZA. Fungal Secondary Metabolites/Dicationic Pyridinium Iodide Combinations in Combat against Multi-Drug Resistant Microorganisms. Molecules 2023; 28:molecules28062434. [PMID: 36985405 PMCID: PMC10058977 DOI: 10.3390/molecules28062434] [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: 01/31/2023] [Revised: 03/02/2023] [Accepted: 03/03/2023] [Indexed: 03/30/2023] Open
Abstract
The spread of antibiotic-resistant opportunistic microbes is a huge socioeconomic burden and a growing concern for global public health. In the current study, two endophytic fungal strains were isolated from Mangifera Indica roots and identified as Aspergillus niger MT597434.1 and Trichoderma lixii KU324798.1. Secondary metabolites produced by A. niger and T. lixii were extracted and tested for their antimicrobial activity. The highest activity was noticed against Staphylococcus aureus and E. coli treated with A. niger and T. lixii secondary metabolites, respectively. A. niger crude extract was mainly composed of Pentadecanoic acid, 14-methyl-, methyl ester and 9-Octadecenoic acid (Z)-, methyl ester (26.66 and 18.01%, respectively), while T. lixii crude extract's major components were 2,4-Decadienal, (E,E) and 9-Octadecenoic acid (Z)-, and methyl ester (10.69 and 10.32%, respectively). Moreover, a comparative study between the fungal extracts and dicationic pyridinium iodide showed that the combination of A. niger and T. lixii secondary metabolites with dicationic pyridinium iodide compound showed a synergistic effect against Klebsiella pneumoniae. The combined formulae inhibited the bacterial growth after 4 to 6 h through cell wall breakage and cells deformation, with intracellular components leakage and increased ROS production.
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Affiliation(s)
- Ayoub M Abdelalatif
- Department of Botany & Microbiology, Faculty of Science, Alexandria University, Alexandria 21568, Egypt
| | - Bassma H Elwakil
- Department of Medical Laboratory Technology, Faculty of Applied Health Sciences Technology, Pharos University in Alexandria, Alexandria 21526, Egypt
| | | | - Mohamed Hagar
- Department of Chemistry, Faculty of Science, Alexandria University, Alexandria 21568, Egypt
| | - Zakia A Olama
- Department of Botany & Microbiology, Faculty of Science, Alexandria University, Alexandria 21568, Egypt
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8
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Acylhydrazones and Their Biological Activity: A Review. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248719. [PMID: 36557851 PMCID: PMC9783609 DOI: 10.3390/molecules27248719] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/02/2022] [Accepted: 12/07/2022] [Indexed: 12/13/2022]
Abstract
Due to the structure of acylhydrazones both by the pharmacophore -CO-NH-N= group and by the different substituents present in the molecules of compounds of this class, various pharmacological activities were reported, including antitumor, antimicrobial, antiviral, antiparasitic, anti-inflammatory, immunomodulatory, antiedematous, antiglaucomatous, antidiabetic, antioxidant, and actions on the central nervous system and on the cardiovascular system. This fragment is found in the structure of several drugs used in the therapy of some diseases that are at the top of public health problems, like microbial infections and cardiovascular diseases. Moreover, the acylhydrazone moiety is present in the structure of some compounds with possible applications in the treatment of other different pathologies, such as schizophrenia, Parkinson's disease, Alzheimer's disease, and Huntington's disease. Considering these aspects, we consider that a study of the literature data regarding the structural and biological properties of these compounds is useful.
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9
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Ganapathi P, Ganesan K, Dharmasivam M, Alam MM, Mohammed A. Efficient Antibacterial Dimeric Nitro Imidazolium Type of Ionic Liquids from a Simple Synthetic Approach. ACS OMEGA 2022; 7:44458-44469. [PMID: 36506216 PMCID: PMC9730758 DOI: 10.1021/acsomega.2c06833] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 11/08/2022] [Indexed: 06/17/2023]
Abstract
Synthesis of dimeric nitro-substituted imidazolium salts under the conventional/solvent-free method is reported. The solvent-free method is more important than the conventional one because of its shorter reaction time, higher yield from easily available starting material, environmental safety, and so forth. Counter anion exchange is carried out using inorganic salt, which is dissolved in deionized water at room temperature. In antibacterial studies, dimeric nitro-substituted imidazolium cations with bromide counter anions showed excellent inhibition against E. coli and P. aeruginosa bacteria. These experimental results were further supported by molecular docking studies. All the compounds (3-6) (a-d) showed excellent antibacterial activity than the standard drugs (gentamycin, nalidixic acid, oflaxacin, ciproflaxacin, and amikacin). Molecular docking studies showed strong hydrogen bonding, polar and hydrophobic interactions between the dimeric imidazolium salts, and Escherichia coli/Pseudomonas aeruginosa/Proteus vulgaris/Staphylococcus aureus receptors.
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Affiliation(s)
- Pandurangan Ganapathi
- PG
& Research Department of Chemistry, Presidency College (Autonomous), Chennai 600 005, India
| | - Kilivelu Ganesan
- PG
& Research Department of Chemistry, Presidency College (Autonomous), Chennai 600 005, India
| | - Mahendiran Dharmasivam
- Centre
for Cancer Cell Biology and Drug Discovery, Griffith Institute for
Drug Discovery, Griffith University, Nathan, Brisbane, Queensland 4111, Australia
| | - Mohammed Mujahid Alam
- Department
of Chemistry, College of Science, King Khalid
University, P.O. Box 9004, Abha 61413, Kingdom of Saudi Arabia
| | - Amanullah Mohammed
- Department
of Clinical Biochemistry, College of Medicine, King Khalid University, Abha 61413, Kingdom of Saudi Arabia
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10
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Abdel‐Basset TA, Rezki N, Al‐Sodies SA, Aouad MR, Bashal AH, Sharfalddin AA, Jaremko M, Emwas A, Hagar M. Dielectric response and density functional theory assessment of fluorinated dicationic pyridinium ionic liquids. NANO SELECT 2022. [DOI: 10.1002/nano.202200016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Trob A. Abdel‐Basset
- Department of Physics Faculty of Science Taibah University Yanbu Saudi Arabia
- Department of Physics Faculty of Science Fayoum University Fayoum Egypt
| | - Nadjet Rezki
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Salsabeel A. Al‐Sodies
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Mohamed Reda Aouad
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Ali H Bashal
- Department of Chemistry College of Science Taibah University Al‐Madinah Al‐Munawarah Saudi Arabia
| | - Abeer A. Sharfalddin
- Department of Chemistry Faculty of Science King Abdulaziz University Jeddah Saudi Arabia
| | - Mariusz Jaremko
- Biological and Environmental Sciences & Engineering Division (BESE) King Abdullah University of Science and Technology (KAUST) Thuwal Saudi Arabia
| | - Abdul‐Hamid Emwas
- Core Labs King Abdullah University of Science and Technology Thuwal Saudi Arabia
| | - Mohamed Hagar
- Chemistry Department Faculty of Science Alexandria University Alexandria Egypt
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11
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M. S. Costa F, Lúcia M. F. S. Saraiva M, L. C. Passos M. Ionic Liquids and Organic Salts with Antimicrobial Activity as a Strategy Against Resistant Microorganisms. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Dicationic Bis-Pyridinium Hydrazone-Based Amphiphiles Encompassing Fluorinated Counteranions: Synthesis, Characterization, TGA-DSC, and DFT Investigations. Molecules 2022; 27:molecules27082492. [PMID: 35458695 PMCID: PMC9030580 DOI: 10.3390/molecules27082492] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/27/2022] [Accepted: 03/31/2022] [Indexed: 02/05/2023] Open
Abstract
Quaternization and metathesis approaches were used to successfully design and synthesize the targeted dicationic bis-dipyridinium hydrazones carrying long alkyl side chain extending from C8 to C18 as countercation, and attracted to halide (I-) or fluorinated ion (PF6-, BF4-, CF3COO-) as counteranion. Spectroscopic characterization using NMR and mass spectroscopy was used to establish the structures of the formed compounds. In addition, their thermal properties were investigated utilizing thermogravimetric analyses (TGA), and differential scanning calorimetry (DSC). The thermal study illustrated that regardless of the alkyl group length (Cn) or the attracted anions, the thermograms of the tested derivatives are composed of three stages. The mode of thermal decomposition demonstrates the important roles of both anion and alkyl chain length. Longer chain length results in greater van der Waals forces; meanwhile, with anions of low nucleophilicity, it could also decrease the intramolecular electrostatic interaction, which leads to an overall interaction decrease and lower thermal stability. The DFT theoretical calculations have been carried out to investigate the thermal stability in terms of the Tonset. The results revealed that the type of the counteranion and chain length had a substantial impact on thermal stability, which was presumably related to the degree of intermolecular interactions. However, the DFT results illustrated that there is no dominant parameter affecting the thermal stability, but rather a cumulative effect of many factors of different extents.
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13
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Vereshchagin AN, Frolov NA, Egorova KS, Seitkalieva MM, Ananikov VP. Quaternary Ammonium Compounds (QACs) and Ionic Liquids (ILs) as Biocides: From Simple Antiseptics to Tunable Antimicrobials. Int J Mol Sci 2021; 22:6793. [PMID: 34202677 PMCID: PMC8268321 DOI: 10.3390/ijms22136793] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 12/13/2022] Open
Abstract
Quaternary ammonium compounds (QACs) belong to a well-known class of cationic biocides with a broad spectrum of antimicrobial activity. They are used as essential components in surfactants, personal hygiene products, cosmetics, softeners, dyes, biological dyes, antiseptics, and disinfectants. Simple but varied in their structure, QACs are divided into several subclasses: Mono-, bis-, multi-, and poly-derivatives. Since the beginning of the 20th century, a significant amount of work has been dedicated to the advancement of this class of biocides. Thus, more than 700 articles on QACs were published only in 2020, according to the modern literature. The structural variability and diverse biological activity of ionic liquids (ILs) make them highly prospective for developing new types of biocides. QACs and ILs bear a common key element in the molecular structure-quaternary positively charged nitrogen atoms within a cyclic or acyclic structural framework. The state-of-the-art research level and paramount demand in modern society recall the rapid development of a new generation of tunable antimicrobials. This review focuses on the main QACs exhibiting antimicrobial and antifungal properties, commercial products based on QACs, and the latest discoveries in QACs and ILs connected with biocide development.
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Affiliation(s)
- Anatoly N. Vereshchagin
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (N.A.F.); (K.S.E.); (M.M.S.)
| | | | | | | | - Valentine P. Ananikov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia; (N.A.F.); (K.S.E.); (M.M.S.)
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The rational design, synthesis, and antimicrobial investigation of 2-Amino-4-Methylthiazole analogues inhibitors of GlcN-6-P synthase. Bioorg Chem 2020; 99:103781. [DOI: 10.1016/j.bioorg.2020.103781] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/15/2020] [Accepted: 03/19/2020] [Indexed: 12/21/2022]
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15
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Turguła A, Stęsik K, Materna K, Klejdysz T, Praczyk T, Pernak J. Third-generation ionic liquids with N-alkylated 1,4-diazabicyclo[2.2.2]octane cations and pelargonate anions. RSC Adv 2020; 10:8653-8663. [PMID: 35496559 PMCID: PMC9049996 DOI: 10.1039/d0ra00766h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 02/14/2020] [Indexed: 11/21/2022] Open
Abstract
Ionic liquids that belong to the third-generation designs due to their intended biological activity are compounds with high potential applications as plant-protection products. The present study describes the synthesis and characterization of novel ionic liquids with cations based on the alkyl derivatives of 1,4-diazabicyclo[2.2.2]octane (DABCO) and an anion derived from naturally occurring pelargonic acid. The developed synthesis method allowed obtaining products with a high yield (≥96%), and the liquids were characterized as high-viscosity liquids at room temperature. This allowed classifying the products as ionic liquids (ILs). The structures of the obtained ILs were confirmed on the basis of their NMR and IR spectra as well as by elemental analysis. All the products exhibited surface activity and were capable of partially wetting a hydrophobic surface. The tested ionic liquids exhibited higher herbicidal activity against winter oilseed rape (Brassica napus L.) and common lambsquarters (Chenopodium album L.) at a lower dose compared to a commercial preparation in greenhouse studies. The studied ionic liquids also exhibited different effects as antifeedants on various insect species. The best results were obtained against beetles belonging to the granary weevil species (Sitophilus granarius L.). The relation between the surface-tension-reduction efficiency pC20 and biological activity was investigated. The herbicidal activity was also correlated with the value of the contact angles for the studied pelargonates. All the obtained results indicate that the designed and synthesized ionic liquids possess double biological functions: herbicidal activity and deterrent activity.
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Affiliation(s)
- Anna Turguła
- Faculty of Chemical Technology, Poznan University of Technology ul. Berdychowo 4 Poznan 60-965 Poland
| | - Konrad Stęsik
- Faculty of Chemical Technology, Poznan University of Technology ul. Berdychowo 4 Poznan 60-965 Poland
| | - Katarzyna Materna
- Faculty of Chemical Technology, Poznan University of Technology ul. Berdychowo 4 Poznan 60-965 Poland
| | - Tomasz Klejdysz
- Institute of Plant Protection - National Research Institute ul. Władysława Węgorka 20 Poznan 60-318 Poland
| | - Tadeusz Praczyk
- Institute of Plant Protection - National Research Institute ul. Władysława Węgorka 20 Poznan 60-318 Poland
| | - Juliusz Pernak
- Faculty of Chemical Technology, Poznan University of Technology ul. Berdychowo 4 Poznan 60-965 Poland
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Sardar S, Wilfred CD, Mumtaz A, Leveque JM, Kalsoom S, Gonfa G. Cytoxicity, Hammett acidity and CO2 solubility of AMPS-based organic salts: A comparative analysis of experimental and computational tools. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127255] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Alqurashy BA. Ecofriendly microwave-assisted preparation, characterization and antitumor activity of some propylimidazolium-based Ionic liquids derivatives. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2020. [DOI: 10.1080/16583655.2020.1829395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Bakhet. A. Alqurashy
- Department of Basic Science and Technologies, Community Faculty, Taibah University, Al-Madina Al Mounawara, Saudi Arabia
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