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Patinote C, Raevens S, Baumann A, Pellegrin E, Bonnet PA, Deleuze-Masquéfa C. [1,2,4]triazolo[4,3- a]quinoxaline as Novel Scaffold in the Imiqualines Family: Candidates with Cytotoxic Activities on Melanoma Cell Lines. Molecules 2023; 28:5478. [PMID: 37513350 PMCID: PMC10384284 DOI: 10.3390/molecules28145478] [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: 06/27/2023] [Revised: 07/13/2023] [Accepted: 07/16/2023] [Indexed: 07/30/2023] Open
Abstract
Cutaneous melanoma is one of the most aggressive human cancers and is the deadliest form of skin cancer, essentially due to metastases. Novel therapies are always required, since cutaneous melanoma develop resistance to oncogenic pathway inhibition treatment. The Imiqualine family is composed of heterocycles diversely substituted around imidazo[1,2-a]quinoxaline, imidazo[1,2-a]pyrazine, imidazo[1,5-a]quinoxaline, and pyrazolo[1,5-a]quinoxaline scaffolds, which display interesting activities on a panel of cancer cell lines, especially melanoma cell lines. We have designed and prepared novel compounds based on the [1,2,4]triazolo[4,3-a]quinoxaline scaffold through a common synthetic route, using 1-chloro-2-hydrazinoquinoxaline and an appropriate aldehyde. Cyclization is ensured by an oxidation-reduction mechanism using chloranil. The substituents on positions 1 and 8 were chosen based on previous structure-activity relationship (SAR) studies conducted within our heterocyclic Imiqualine family. Physicochemical parameters of all compounds have also been predicted. A375 melanoma cell line viability has been evaluated for 16 compounds. Among them, three novel [1,2,4]triazolo[4,3-a]quinoxalines display cytotoxic activities. Compounds 16a and 16b demonstrate relative activities in the micromolar range (respectively, 3158 nM and 3527 nM). Compound 17a shows the best EC50 of the novel series (365 nM), even if EAPB02303 remains the lead of the entire Imiqualine family (3 nM).
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Affiliation(s)
- Cindy Patinote
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 F16, (CNRS, ENSCM, Université de Montpellier), 1919 Route de Mende, 34090 Montpellier, France
| | - Sandy Raevens
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 F16, (CNRS, ENSCM, Université de Montpellier), 1919 Route de Mende, 34090 Montpellier, France
| | - Amélie Baumann
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 F16, (CNRS, ENSCM, Université de Montpellier), 1919 Route de Mende, 34090 Montpellier, France
| | - Eloise Pellegrin
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 F16, (CNRS, ENSCM, Université de Montpellier), 1919 Route de Mende, 34090 Montpellier, France
| | - Pierre-Antoine Bonnet
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 F16, (CNRS, ENSCM, Université de Montpellier), 1919 Route de Mende, 34090 Montpellier, France
| | - Carine Deleuze-Masquéfa
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 F16, (CNRS, ENSCM, Université de Montpellier), 1919 Route de Mende, 34090 Montpellier, France
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Pelliccia S, Alfano AI, Gomes Da Assunção BR, Turco L, Lembo F, Summa V, Buommino E, Brindisi M. Rejuvenating the [1, 2, 3]-triazolo [1,5-a]quinoxalin-4(5H)-one scaffold: Synthesis and derivatization in a sustainable guise and preliminary antimicrobial evaluation. Front Chem 2023; 11:1126427. [PMID: 36998572 PMCID: PMC10043301 DOI: 10.3389/fchem.2023.1126427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 03/02/2023] [Indexed: 03/18/2023] Open
Abstract
The [1,2,3]-triazolo [1,5-a] quinoxalin-4(5H)-one scaffold and its analogues triazole-fused heterocyclic compounds are relevant structural templates in both natural and synthetic biologically active compounds. However, their medicinal chemistry applications are often limited due to the lack of synthetic protocols combining straightforward generation of the central core while also allowing extensive decoration activity for drug discovery purposes. Herein, we report a “refreshed” synthesis of the [1,2,3]-triazolo [1,5-a]quinoxalin-4(5H)-one core, encompassing the use of eco-compatible catalysts and reaction conditions. We have also performed a sustainable and extensive derivatization campaign at both the endocyclic amide nitrogen and the ester functionality, comprehensively exploring the reaction scope and overcoming some of the previously reported difficulties in introducing functional groups on this structural template. Finally, we unveiled a preliminary biological investigation for the newly generated chemical entities. Our assessment of the compounds on different bacterial species (two S. aureus strains, three P. aeruginosa strains, K. pneumonia), and two fungal C. albicans strains, as well as the evaluation of their activity on S. epidermidis biofilm formation, foster further optimization for the retrieved hit compounds 9, 14, and 20.
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Affiliation(s)
- Sveva Pelliccia
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
- *Correspondence: Sveva Pelliccia, ; Margherita Brindisi,
| | | | | | - Luigia Turco
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, Naples, Italy
| | - Francesca Lembo
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | - Vincenzo Summa
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
| | | | - Margherita Brindisi
- Department of Pharmacy, University of Naples Federico II, Naples, Italy
- *Correspondence: Sveva Pelliccia, ; Margherita Brindisi,
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Novel 1, 2, 4-Triazoles as Antifungal Agents. BIOMED RESEARCH INTERNATIONAL 2022; 2022:4584846. [PMID: 35360519 PMCID: PMC8964166 DOI: 10.1155/2022/4584846] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/03/2022] [Indexed: 12/17/2022]
Abstract
The development of innovative antifungal agents is essential. Some fungicidal agents are no longer effective due to resistance development, various side effects, and high toxicity. Therefore, the synthesis and development of some new antifungal agents are necessary. 1,2,4-Triazole is one of the most essential pharmacophore systems between five-membered heterocycles. The structure-activity relationship (SAR) of this nitrogen-containing heterocyclic compound showed potential antifungal activity. The 1,2,4-triazole core is present as the nucleus in a variety of antifungal drug categories. The most potent and broad activity of triazoles have confirmed them as pharmacologically significant moieties. The goal of this review is to highlight recent developments in the synthesis and SAR study of 1,2,4-triazole as a potential fungicidal compound. In this study, we provide the results of a biological activity evaluation using various structures and figures. Literature investigation showed that 1, 2, 4-triazole derivatives reveal the extensive span of antifungal activity. This review will assist researchers in the development of new potential antifungal drug candidates with high effectiveness and selectivity.
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Design, synthesis of new novel quinoxalin-2(1H)-one derivatives incorporating hydrazone, hydrazine, and pyrazole moieties as antimicrobial potential with in-silico ADME and molecular docking simulation. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2021.103497] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
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Structure based design, synthesis, and biological evaluation of imidazole derivatives targeting dihydropteroate synthase enzyme. Bioorg Med Chem Lett 2021; 36:127819. [PMID: 33513385 DOI: 10.1016/j.bmcl.2021.127819] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/08/2021] [Accepted: 01/19/2021] [Indexed: 12/16/2022]
Abstract
In this study, we have designed and synthesized 2-((5-acetyl-1-(phenyl)-4-methyl-1H-imidazol-2-yl)thio)-N-(4-((benzyl)oxy)phenyl) acetamide derivatives. Antimicrobial activities of all the imidazole derivatives have been examined against Gram-positive and Gram-negative bacteria and results showed that the conjugates have appreciable antibacterial activity. Besides, several analogous were evaluated for their in vitro antiresistant bacterial strains such as Extended-spectrum beta-lactamases (ESBL), Vancomycin-resistant Enterococcus (VRE), and Methicillin-resistant Staphylococcus aureus (MRSA). The SAR revealed that the 12l compound resulted in potency against all bacterial strains as well as ESBL, VRE, and MRSA strains. Lipinski's rule of five, and ADME studies were preformed for all the synthesized compounds with Staphylococcus aureus dihydropteroate synthase (saDHPS) protein (PDB ID: 6CLV) and were found standard drug-likeness properties of conjugates. Moreover, the binding mode of the ligands with the protein study has been examined by molecular docking and results are quite promising. Besides, all the analogous were tested for their in vitro antituberculosis, antimalarial, and antioxidant activity.
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Tripathi G, Singh AK, Kumar A. Arylpyrazoles: Heterocyclic Scaffold of Immense Therapeutic Application. CURR ORG CHEM 2020. [DOI: 10.2174/1570179417999200628035645] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Among the major class of heterocycles, the N-heterocycles, such as pyrazoles,
are scaffolds of vast medicinal values. Various drugs and other biologically active molecules
are known to contain these N-heterocycles as core motifs. Specifically, arylpyrazoles
have exhibited a diverse range of biological activities, including anti-inflammatory, anticancerous,
antimicrobial and various others. For instance, arylpyrazoles are present as
core moieties in various insecticides, fungicides and drugs such as Celebrex and Trocoxil.
The present review will be highlighting the significant therapeutic importance of pyrazole
derivatives developed in the last few years.
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Affiliation(s)
- Garima Tripathi
- Department of Chemistry, T. N. B. College, Tilka Manjhi Bhagalpur University, Bhagalpur, Bihar, India
| | - Anil Kumar Singh
- Department of Chemistry, School of Physical Sciences, Mahatma Gandhi Central University, Bihar, India
| | - Abhijeet Kumar
- Department of Chemistry, School of Physical Sciences, Mahatma Gandhi Central University, Bihar, India
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Synthesis and molecular docking study of some 3,4-dihydrothieno[2,3-d]pyrimidine derivatives as potential antimicrobial agents. Bioorg Chem 2019; 88:102934. [DOI: 10.1016/j.bioorg.2019.102934] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 03/11/2019] [Accepted: 03/30/2019] [Indexed: 01/21/2023]
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