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Vasanthan RJ, Pradhan S, Thangamuthu MD. Emerging Aspects of Triazole in Organic Synthesis: Exploring its Potential as a Gelator. Curr Org Synth 2024; 21:456-512. [PMID: 36221871 DOI: 10.2174/1570179420666221010094531] [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: 05/19/2022] [Revised: 09/06/2022] [Accepted: 09/13/2022] [Indexed: 11/22/2022]
Abstract
Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (CuAAC) - commonly known as the "click reaction" - serves as the most effective and highly reliable tool for facile construction of simple to complex designs at the molecular level. It relates to the formation of carbon heteroatomic systems by joining or clicking small molecular pieces together with the help of various organic reactions such as cycloaddition, conjugate addition, ring-opening, etc. Such dynamic strategy results in the generation of triazole and its derivatives from azides and alkynes with three nitrogen atoms in the five-membered aromatic azole ring that often forms gel-assembled structures having gelating properties. These scaffolds have led to prominent applications in designing advanced soft materials, 3D printing, ion sensing, drug delivery, photonics, separation, and purification. In this review, we mainly emphasize the different mechanistic aspects of triazole formation, which includes the synthesis of sugar-based and non-sugar-based triazoles, and their gel applications reported in the literature for the past ten years, as well as the upcoming scope in different branches of applied sciences.
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Affiliation(s)
- Rabecca Jenifer Vasanthan
- Department of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu (CUTN), Thiruvarur, 610 005, India
| | - Sheersha Pradhan
- Department of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu (CUTN), Thiruvarur, 610 005, India
| | - Mohan Das Thangamuthu
- Department of Chemistry, School of Basic and Applied Sciences, Central University of Tamil Nadu (CUTN), Thiruvarur, 610 005, India
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2
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Pandey J, Singh BD, Khanam H, Tiwari B, Azaz T, Singh R. Cassia fistula galactomannan stabilized copper nanocatalyst as an efficient, recyclable heterogeneous catalyst for the fast clickable [3+2] Huisgen cycloadditions in water. Int J Biol Macromol 2024; 255:128098. [PMID: 37972839 DOI: 10.1016/j.ijbiomac.2023.128098] [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: 09/09/2023] [Revised: 11/04/2023] [Accepted: 11/13/2023] [Indexed: 11/19/2023]
Abstract
In this study, we have first time investigated the synthesis of copper nanocatalyst by using biopolymer galactomannan, naturally extracted from Cassia fistula pods. The methodology involved for the preparation of copper nanocatalyst is economical, efficient, environment friendly, and did not involve further processing for stabilization or reduction of copper nanoparticles. The morphology and structural characterization of the nanocatalyst was performed by using different techniques such as FT-IR, 1H NMR, SEM, EDX, HR-TEM, XRD, XPS, ICP-MS, BET, and TGA analysis. The prepared copper nanocatalyst is applied for the click [3+2] Huisgen cycloadditions of various azides and alkynes, employing water as environmentally benign solvent. In comparison to earlier reported methods, our method requires lowest catalyst loading, less reaction time, excellent yields and have wide substrate scope. Additionally, the catalyst was easily recovered by simple filtration and recycled at least ten consecutive times without any appreciable loss of efficiency and selectivity. The effect of mannose and galactose (Man/Gal) ratio of Cassia fistula galactomannan on the catalytic activity were also investigated.
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Affiliation(s)
- Jyoti Pandey
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow 226025, India.
| | - Bal Dev Singh
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow 226025, India
| | - Huda Khanam
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow 226025, India; Department of Chemistry, University of Lucknow, Lucknow 226007, India
| | - Bhoopendra Tiwari
- Division of Molecular Synthesis & Drug Discovery, Centre of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow 226014, India
| | - Tazeen Azaz
- Division of Molecular Synthesis & Drug Discovery, Centre of Biomedical Research, SGPGIMS-Campus, Raebareli Road, Lucknow 226014, India
| | - Ruchi Singh
- Department of Chemistry, Babasaheb Bhimrao Ambedkar University, Vidya Vihar, Raebareli Road, Lucknow 226025, India
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3
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Ravindar L, Hasbullah SA, Rakesh KP, Hassan NI. Triazole hybrid compounds: A new frontier in malaria treatment. Eur J Med Chem 2023; 259:115694. [PMID: 37556947 DOI: 10.1016/j.ejmech.2023.115694] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/20/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023]
Abstract
Reviewing the advancements in malaria treatment, the emergence of triazole hybrid compounds stands out as a groundbreaking development. Combining the advantages of triazole and other moieties, these hybrid compounds offer a new frontier in the battle against malaria. Their potential as effective antimalarial agents has captured the attention of researchers and holds promise for overcoming the challenges posed by drug-resistant malaria strains. We focused on their broad spectrum of antimalarial activity of diverse hybridized 1,2,3-triazoles and 1,2,4-triazoles, structure-activity relationship (SAR), drug-likeness, bioavailability and pharmacokinetic properties reported since 2018 targeting multiple stages of the Plasmodium life cycle. This versatility makes them highly effective against both drug-sensitive and drug-resistant strains of P. falciparum, making them invaluable tools in regions where resistance is prevalent. The synergistic effects of combining the triazole moiety with other pharmacophores have resulted in even greater antimalarial potency. This approach has the potential to circumvent existing resistance mechanisms and provide a more sustainable solution to malaria treatment. While triazole hybrid compounds show great promise, further research and clinical trials are warranted to fully evaluate their safety, efficacy and long-term effects. As research progresses, these compounds can potentially revolutionize the field and contribute to global efforts to eradicate malaria, ultimately saving countless lives worldwide.
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Affiliation(s)
- Lekkala Ravindar
- Department of Chemical Sciences, Universiti Kebangsaan Malaysia (UKM), Bangi, 43600, Selangor, Malaysia
| | - Siti Aishah Hasbullah
- Department of Chemical Sciences, Universiti Kebangsaan Malaysia (UKM), Bangi, 43600, Selangor, Malaysia
| | - K P Rakesh
- Department of Radiology, Biomedical Research Imaging Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Nurul Izzaty Hassan
- Department of Chemical Sciences, Universiti Kebangsaan Malaysia (UKM), Bangi, 43600, Selangor, Malaysia.
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4
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Janse van Rensburg HD, Suganuma K, N'Da DD. In vitro trypanocidal activities and structure-activity relationships of ciprofloxacin analogs. Mol Divers 2023:10.1007/s11030-023-10704-9. [PMID: 37481633 DOI: 10.1007/s11030-023-10704-9] [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: 03/14/2023] [Accepted: 07/16/2023] [Indexed: 07/24/2023]
Abstract
Tropical diseases, such as African trypanosomiasis, by their nature and prevalence lack the necessary urgency regarding drug development, despite the increasing need for novel, structurally diverse antitrypanosomal drugs, using different mechanisms of action that would improve drug efficacy and safety. Traditionally antibacterial agents, the fluoroquinolones, reportedly possess in vitro trypanocidal activities against Trypanosoma brucei organisms. During our research, the fluroquinolone, ciprofloxacin (1), and its analogs (2-24) were tested against bloodstream forms of T. brucei brucei, T. b. gambiense, T. b. rhodesiense, T. evansi, T. equiperdum, and T. congolense and Madin-Darby bovine kidney cells (cytotoxicity). Ciprofloxacin [CPX (1)] demonstrated selective trypanocidal activity against T. congolense (IC50 7.79 µM; SI 39.6), whereas the CPX derivatives (2-10) showed weak selective activity (25 < IC50 < 65 µM; 2 < SI < 4). Selectivity and activity of the CPX and 1,2,3-triazole (TZ) hybrids (11-24) were governed by their chemical functionality at C-3 (carboxylic acid, or 4-methylpiperazinyl amide) and their electronic effect (electron-donating or electron-withdrawing para-benzyl substituent), respectively. Trypanocidal hits in the micromolar range were identified against bloodstream forms of T. congolense [CPX (1); CPX amide derivatives 18: IC50 8.95 µM; SI 16.84; 22: IC50 5.42 µM; SI 25.2] and against T. brucei rhodesiense (CPX acid derivative 13: IC50 4.51 µM; SI 10.2), demonstrating more selectivity toward trypanosomes than mammalian cells. Hence, the trypanocidal hit compound 22 may be optimized by retaining the 4-methylpiperazine amide functional group (C-3) and the TZ moiety at position N-15 and introducing other electron-withdrawing ortho-, meta-, and/or para-substituents on the aryl ring in an effort to improve the pharmacokinetic properties and increase the trypanocidal activity. Structure-activity relationships of ciprofloxacin-1,2,3-triazole hybrids were governed by the chemical functionality at C-3 and electronic effect.
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Affiliation(s)
| | - Keisuke Suganuma
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro, Hokkaido, 080-8555, Japan.
| | - David D N'Da
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, 2520, South Africa
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5
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Design, synthesis, anticancer activity of new amide derivatives derived from 1,2,3-triazole-benzofuran hybrids: An insights from molecular docking, molecular dynamics simulation and DFT studies. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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6
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Deng C, Yan H, Wang J, Liu K, Liu BS, Shi YM. 1,2,3-Triazole-containing hybrids with potential antibacterial activity against ESKAPE pathogens. Eur J Med Chem 2022; 244:114888. [DOI: 10.1016/j.ejmech.2022.114888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/15/2022] [Accepted: 10/24/2022] [Indexed: 12/01/2022]
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Saroha B, Kumar G, Kumar R, Kumari M, Kumar S. A minireview of 1,2,3-triazole hybrids with O-heterocycles as leads in medicinal chemistry. Chem Biol Drug Des 2022; 100:843-869. [PMID: 34592059 DOI: 10.1111/cbdd.13966] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 09/02/2021] [Accepted: 09/26/2021] [Indexed: 01/25/2023]
Abstract
Over the past few decades, the dynamic progress in the synthesis and screening of heterocyclic compounds against various targets has made a significant contribution in the field of medicinal chemistry. Among the wide array of heterocyclic compounds, triazole moiety has attracted the attention of researchers owing to its vast therapeutic potential and easy preparation via copper and ruthenium-catalyzed azide-alkyne cycloaddition reactions. Triazole skeletons are found as major structural components in a different class of drugs possessing diverse pharmacological profiles including anti-cancer, anti-bacterial, anti-fungal, anti-viral, anti-oxidant, anti-inflammatory, anti-diabetic, anti-tubercular, and anti-depressant among various others. Furthermore, in the past few years, a significantly large number of triazole hybrids were synthesized with various heterocyclic moieties in order to gain the added advantage of the improved pharmacological profile, overcoming the multiple drug resistance and reduced toxicity from molecular hybridization. Among these synthesized triazole hybrids, many compounds are available commercially and used for treating different infections/disorders like tazobactam and cefatrizine as potent anti-bacterial agents while isavuconazole and ravuconazole as anti-fungal activities to name a few. In this review, we will summarize the biological activities of various 1,2,3-triazole hybrids with copious oxygen-containing heterocycles as lead compounds in medicinal chemistry. This review will be very helpful for researchers working in the field of molecular modeling, drug design and development, and medicinal chemistry.
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Affiliation(s)
- Bhavna Saroha
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Gourav Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Ramesh Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
| | - Meena Kumari
- Department of Chemistry, Govt. College for Women Badhra, Charkhi Dadri, India
| | - Suresh Kumar
- Department of Chemistry, Kurukshetra University, Kurukshetra, India
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8
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Thakur A, Verma M, Bharti R, Sharma R. Oxazole and isoxazole: From one-pot synthesis to medical applications. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132813] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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9
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Sumrra SH, Zafar W, Imran M, Chohan ZH. A review on the biomedical efficacy of transition metal triazole compounds. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2059359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Wardha Zafar
- Department of Chemistry, University of Gujrat, Gujrat, Pakistan
| | - Muhammad Imran
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, Saudi Arabia
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Tarawneh AH, Pandey P, Al-Momani LA, Gadetskaya AV, Abu-Orabi ST, Doerksen RJ, Cutler SJ. 1,2,3-Triazole derivatives as highly selective cannabinoid receptor type 2 (CB2) agonists. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2021.103545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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11
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Pal A, Krishna Banik B. Click Chemistry toward the Synthesis of Anticancer Agents. HETEROCYCLES 2022. [DOI: 10.3987/rev-21-970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Graciano IA, de Carvalho AS, de Carvalho da Silva F, Ferreira VF. 1,2,3-Triazole- and Quinoline-Based Hybrids with Potent Antiplasmodial Activity. Med Chem 2021; 18:521-535. [PMID: 34758718 DOI: 10.2174/1573406418666211110143041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/04/2021] [Accepted: 09/10/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Malaria is a disease causing millions of victims every year and requires new drugs, often due to parasitic strain mutations. Thus, the search for new molecules that possess antimalarial activity is constant and extremely important. However, the potential that an antimalarial drug possesses cannot be ignored, and molecular hybridization is a good strategy to design new chemical entities. OBJECTIVE This review article aims to emphasize recent advances in the biological activities of new 1,2,3-triazole- and quinoline-based hybrids and their place in the development of new biologically active substances. More specifically, it intends to present the synthetic methods that have been utilized for the syntheses of hybrid 1,2,3-triazoles with quinoline nuclei. METHOD We have comprehensively and critically discussed all the information available in the literature regarding 1,2,3-triazole- and quinoline-based hybrids with potent antiplasmodial activity. RESULTS The quinoline nucleus has already been proven to lead to new chemical entities in the pharmaceutical market, such as drugs for the treatment of malaria and other diseases. The same can be said about the 1,2,3-triazole heterocycle, which has been shown to be a beneficial scaffold for the construction of new drugs with several activities. However, only a few triazoles have entered the pharmaceutical market as drugs. CONCLUSION Many studies have been conducted to develop new substances that may circumvent the resistance developed by the parasite that causes malaria, thereby improving the therapy currently used.
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Affiliation(s)
- Isabela A Graciano
- Universidade Federal Fluminense, Instituto de Química, Departamento de Química Orgânica, Campus do Valonguinho, 24020-141 Niterói, RJ. Brazil
| | - Alcione S de Carvalho
- Universidade Federal Fluminense, Instituto de Química, Departamento de Química Orgânica, Campus do Valonguinho, 24020-141 Niterói, RJ. Brazil
| | - Fernando de Carvalho da Silva
- Universidade Federal Fluminense, Instituto de Química, Departamento de Química Orgânica, Campus do Valonguinho, 24020-141 Niterói, RJ. Brazil
| | - Vitor F Ferreira
- Universidade Federal Fluminense, Faculdade de Farmácia, Departamento de Tecnologia Farmacêutica, 24241-000, Niterói, RJ. Brazil
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Sumrra SH, Zafar W, Javed H, Zafar M, Hussain MZ, Imran M, Nadeem MA. Facile synthesis, spectroscopic evaluation and antimicrobial screening of metal endowed triazole compounds. Biometals 2021; 34:1329-1351. [PMID: 34564801 DOI: 10.1007/s10534-021-00345-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 09/15/2021] [Indexed: 11/29/2022]
Abstract
The scientific interest in developing new complexes as inhibitors of bacterial biofilm related infections is constantly rising. The present work describes the chemical synthesis, structural and biological scrutiny of a triazole Schiff base ligand and its corresponding complexes. Triazole Schiff base, (2-methoxy-4-[(1H-1,2,4-triazol-3-ylimino)methyl]phenol) was synthesized from the condensation reaction of 3-amino-1,2,4-triazole and 4-hydroxy-3-methoxybenzaldehyde in an equimolar ratio. The triazole ligand (H2L) was characterized by physical (solubility, color, melting point), spectroscopic [UV-visible (UV-Vis), Fourier transform infrared spectroscopy (FT-IR), proton nuclear magnetic resonance (1H-NMR) and mass spectra (MS)] and micro analysis to evaluate their elemental composition. The bidentate ligand was complexed with transition metal [VO(IV), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II)] in 1:2 molar ratio. The complexes were characterized by physical (color, solubility, decomposition temperature, conductance and magnetic moment), FT-IR, UV-Vis and elemental analysis. Thermal stability and fluorescence properties of the compounds were also determined. Density functional theory based theoretical calculations were accomplished to gain more insight into spectroscopic properties. The frontier molecular orbital analysis revealed that the ligand was less reactive with reduced electron donating capability and more kinetic stability than complexes. The as-synthesized compounds were scrutinized for anti-bacterial and anti-fungal activity against selected strains. Cobalt complex exhibited highest antibacterial activity against Escherichia coli and nickel complex has shown highest antifungal activity against Aspergillus niger. All the compounds also showed good antioxidant activity. The theoretical results reflect consistency with the experimental findings signifying that such compounds could be the promising chemical scaffolds in the near future against microbial infectious.
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Affiliation(s)
- Sajjad H Sumrra
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan.
| | - Wardha Zafar
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Hassan Javed
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Muddassar Zafar
- Department of Biochemistry and Biotechnology, University of Gujrat, Gujrat, 50700, Pakistan
| | | | - Muhammad Imran
- Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Muhammad A Nadeem
- Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan
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Kumar S, Khokra SL, Yadav A. Triazole analogues as potential pharmacological agents: a brief review. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2021; 7:106. [PMID: 34056014 PMCID: PMC8148872 DOI: 10.1186/s43094-021-00241-3] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/03/2021] [Indexed: 02/01/2023] Open
Abstract
Background A large number of studies have recently reported that, because of their significant biological and pharmacological properties, heterocyclic compounds and their derivatives have attracted a strong interest in medicinal chemistry. The triazole nucleus is one of the most important heterocycles which has a feature of natural products as well as medicinal agents. Heterocyclic nitrogen is abundantly present in most medicinal compounds. The derivatization of triazole ring is based on the phenomenon of bio-isosteres in which substituted the oxygen atom of oxadiazole nucleus with nitrogen triazole analogue. Main text This review focuses on recent synthetic procedure of triazole moiety, which comprises of various pharmacological activities such as antimicrobial, anticonvulsant, anti-inflammatory, analgesic, antitubercular, anthelmintic, antioxidant, antimalarial, antiviral, etc.. Conclusion This review highlights the current status of triazole compounds as different multi-target pharmacological activities. From the literature survey, triazole is the most widely used compound in different potential activities.
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Affiliation(s)
- Sachin Kumar
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Sukhbir Lal Khokra
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, Haryana 136119 India
| | - Akash Yadav
- Institute of Pharmaceutical Sciences, Kurukshetra University, Kurukshetra, Haryana 136119 India
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Singh V, Hada RS, Uddin A, Aneja B, Abid M, Pandey KC, Singh S. Inhibition of Hemoglobin Degrading Protease Falcipain-2 as a Mechanism for Anti-Malarial Activity of Triazole-Amino Acid Hybrids. Curr Top Med Chem 2020; 20:377-389. [PMID: 32000644 DOI: 10.2174/1568026620666200130162347] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/20/2019] [Accepted: 10/20/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Novel drug development against malaria parasite over old conventional antimalarial drugs is essential due to rapid and indiscriminate use of drugs, which led to the emergence of resistant strains. METHODS In this study, previously reported triazole-amino acid hybrids (13-18) are explored against Plasmodium falciparum as antimalarial agents. Among six compounds, 15 and 18 exhibited antimalarial activity against P. falciparum with insignificant hemolytic activity and cytotoxicity towards HepG2 mammalian cells. In molecular docking studies, both compounds bind into the active site of PfFP-2 and block its accessibility to the substrate that leads to the inhibition of target protein further supported by in vitro analysis. RESULTS Antimalarial half-maximal inhibitory concentration (IC50) of 15 and 18 compounds were found to be 9.26 μM and 20.62 μM, respectively. Blood stage specific studies showed that compounds, 15 and 18 are effective at late trophozoite stage and block egress pathway of parasites. Decreased level of free monomeric heme was found in a dose dependent manner after the treatment with compounds 15 and 18, which was further evidenced by the reduction in percent of hemoglobin hydrolysis. Compounds 15 and 18 hindered hemoglobin degradation via intra- and extracellular cysteine protease falcipain-2 (PfFP-2) inhibitory activity both in in vitro and in vivo in P. falciparum. CONCLUSION We report antimalarial potential of triazole-amino acid hybrids and their role in the inhibition of cysteine protease PfFP-2 as its mechanistic aspect.
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Affiliation(s)
- Vigyasa Singh
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Rahul Singh Hada
- Department of Life Sciences, Shiv Nadar University, Gautam Buddha Nagar UP, 201314, India
| | - Amad Uddin
- Medicinal Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Babita Aneja
- Medicinal Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India.,Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 7610001, Israel
| | - Mohammad Abid
- Medicinal Chemistry Laboratory, Department of Biosciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025, India
| | - Kailash C Pandey
- Host-Parasite Interaction Biology Group, National Institute of Malaria Research, Indian Council of Medical Research, Sector-8, Dwarka, New Delhi 110077, India
| | - Shailja Singh
- Special Centre for Molecular Medicine, Jawaharlal Nehru University, New Delhi, 110067, India
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Mechanistic study in azide-alkyne cycloaddition (CuAAC) catalyzed by bifunctional trinuclear copper(I) pyrazolate complex: Shift in rate-determining step. J Catal 2020. [DOI: 10.1016/j.jcat.2020.07.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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17
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Synthesis, Antimicrobial and Antioxidant Activities of 2-Isoxazoline Derivatives. Molecules 2020; 25:molecules25184271. [PMID: 32961855 PMCID: PMC7570493 DOI: 10.3390/molecules25184271] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/11/2020] [Accepted: 09/16/2020] [Indexed: 11/17/2022] Open
Abstract
A series of derivatives of trans-3-(2,4,6-trimethoxyphenyl)4,5-dihydroisoxazolo-4,5-bis[carbonyl-(4′phenyl)thiosemicarbazide (9) and of trans-3-(2,4,6-trimethoxyphenyl)-4,5-dihydro isoxazolo-4,5-bis(aroylcarbohydrazide) (10a–c) were synthesized from trans-3-(2,4,6-trimethoxyphenyl)-4,5-dihydro-4,5-bis(hydrazenocarbonyl)isoxazole (8). The structures of the compounds were elucidated by both elemental and spectral (IR, NMR, and MS) analysis. Compound 9 shows activity against some bacterial species. No antibacterial activities were observed for compounds 10a–c. The antioxidant activity of the new compounds has been screened. Compound 9 showed higher antioxidant activity using the DPPH (1,1-diphenyl-2-picrylhydrazyl) and ABTS (2’-azino–bis(3-ethylbenzoline-6-sulfonic acid) diammonium salt methods.
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Bahsis L, Ablouh EH, Anane H, Taourirte M, Julve M, Stiriba SE. Cu(ii)-alginate-based superporous hydrogel catalyst for click chemistry azide-alkyne cycloaddition type reactions in water. RSC Adv 2020; 10:32821-32832. [PMID: 35516499 PMCID: PMC9056610 DOI: 10.1039/d0ra06410f] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 08/18/2020] [Indexed: 11/21/2022] Open
Abstract
A novel sustainable hydrogel catalyst based on the reaction of sodium alginate naturally extracted from brown algae Laminaria digitata residue with copper(ii) was prepared as spherical beads, namely Cu(ii)-alginate hydrogel (Cu(ii)-AHG). The morphology and structural characteristics of these beads were elucidated by different techniques such as SEM, EDX, BET, FTIR and TGA analysis. Cu(ii)-AHG and its dried form, namely Cu(ii)-alginate (Cu(ii)-AD), are relatively uniform with an average pore ranging from 200 nm to more than 20 μm. These superporous structure beads were employed for the copper catalyzed [3 + 2] cycloaddition reaction of aryl azides and terminal aryl alkynes (CuAAC) via click chemistry at low catalyst loading, using water as a solvent at room temperature and pressure. The catalytic active copper(i) species was generated by the reduction of copper(ii) by terminal alkyne via the oxidative alkyne homocoupling reaction. The prepared catalysts were found to be efficient (85-92%) and regioselective by affording only 1,4-disubstituted-1,2,3-triazoles. They were also recoverable and reused in their dried form for at least four consecutive times without a clear loss of efficiency. A mechanistic study was performed through density functional theory (DFT) calculations in order to explain the regioselectivity outcome of Cu(ii)-alginate in CuAAC reactions. The analysis of the local electrophilicity (ω k) at the electrophilic reagent and the local nucleophilicity (N k) at the nucleophilic confirms the polar character of CuAAC. This catalyst has the main advantage of being sustainably ligand-free and recyclable.
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Affiliation(s)
- Lahoucine Bahsis
- Département de Chimie, Faculté des Sciences d'El Jadida, Université Chouaïb Doukkali B.P.: 20 24000 El Jadida Morocco
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi, Université Cadi Ayyad 4162 Safi Morocco
| | - El-Houssaine Ablouh
- Laboratoire de Chimie Bioorganique et Macromoléculaire, Faculté des Sciences et Techniques de Marrakech, Université Cadi Ayyad 40000 Marrakech Morocco
- Centre d'Analyse et de Caractérisation, Université Cadi Ayyad 40000 Marrakech Morocco
| | - Hafid Anane
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi, Université Cadi Ayyad 4162 Safi Morocco
| | - Moha Taourirte
- Laboratoire de Chimie Bioorganique et Macromoléculaire, Faculté des Sciences et Techniques de Marrakech, Université Cadi Ayyad 40000 Marrakech Morocco
| | - Miguel Julve
- Instituto de Ciencia Molecular/ICMol, Universidad de Valencia C/Catedrático José Beltrán 46980 Paterna Valencia Spain
| | - Salah-Eddine Stiriba
- Laboratoire de Chimie Analytique et Moléculaire, LCAM, Faculté Polydisciplinaire de Safi, Université Cadi Ayyad 4162 Safi Morocco
- Instituto de Ciencia Molecular/ICMol, Universidad de Valencia C/Catedrático José Beltrán 46980 Paterna Valencia Spain
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1,2,3-Triazole-containing hybrids with potential antibacterial activity against methicillin-resistant Staphylococcus aureus (MRSA). Eur J Med Chem 2020; 206:112686. [PMID: 32795773 DOI: 10.1016/j.ejmech.2020.112686] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 06/25/2020] [Indexed: 01/10/2023]
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA), as a classic reason for genuine skin and flimsy tissues diseases, is a worldwide general wellbeing risk and has already tormented humanity for a long history, creating a critical need for the development of new classes of antibacterials. 1,2,3-Triazole moiety, readily interact with diverse enzymes and receptors in organisms through weak bond interaction, is among the most common frameworks present in the bioactive molecules. 1,2,3-Triazole derivatives, especially 1,2,3-triazole-containing hybrids, possess broad-spectrum activity against a panel of clinically important bacteria including drug-resistant pathogens, so rational design of 1,2,3-triazole derivatives may open a door for the opportunities on the development of novel anti-MRSA agents. This review is an endeavour to highlight the current scenario of 1,2,3-triazole-containing hybrids with potential anti-MRSA activity, covering articles published between 2010 and 2020.
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20
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Biofilm inhibition and DNA binding studies of isoxazole-triazole conjugates in the development of effective anti-bacterial agents. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127144] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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21
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Bozorov K, Zhao J, Aisa HA. 1,2,3-Triazole-containing hybrids as leads in medicinal chemistry: A recent overview. Bioorg Med Chem 2019; 27:3511-3531. [PMID: 31300317 PMCID: PMC7185471 DOI: 10.1016/j.bmc.2019.07.005] [Citation(s) in RCA: 371] [Impact Index Per Article: 74.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/18/2019] [Accepted: 07/03/2019] [Indexed: 12/18/2022]
Abstract
The 1,2,3-triazole ring is a major pharmacophore system among nitrogen-containing heterocycles. These five-membered heterocyclic motifs with three nitrogen heteroatoms can be prepared easily using 'click' chemistry with copper- or ruthenium-catalysed azide-alkyne cycloaddition reactions. Recently, the 'linker' property of 1,2,3-triazoles was demonstrated, and a novel class of 1,2,3-triazole-containing hybrids and conjugates was synthesised and evaluated as lead compounds for diverse biological targets. These lead compounds have been demonstrated as anticancer, antimicrobial, anti-tubercular, antiviral, antidiabetic, antimalarial, anti-leishmanial, and neuroprotective agents. The present review summarises advances in lead compounds of 1,2,3-triazole-containing hybrids, conjugates, and their related heterocycles in medicinal chemistry published in 2018. This review will be useful to scientists in research fields of organic synthesis, medicinal chemistry, phytochemistry, and pharmacology.
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Affiliation(s)
- Khurshed Bozorov
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Rd, Urumqi 830011, PR China; Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, Uzbekistan.
| | - Jiangyu Zhao
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Rd, Urumqi 830011, PR China.
| | - Haji A Aisa
- Key Laboratory of Plant Resources and Chemistry in Arid Regions, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 40-1 South Beijing Rd, Urumqi 830011, PR China.
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22
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Zhang B. Comprehensive review on the anti-bacterial activity of 1,2,3-triazole hybrids. Eur J Med Chem 2019; 168:357-372. [DOI: 10.1016/j.ejmech.2019.02.055] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 02/17/2019] [Accepted: 02/17/2019] [Indexed: 01/07/2023]
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23
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Triazole derivatives and their antiplasmodial and antimalarial activities. Eur J Med Chem 2019; 166:206-223. [PMID: 30711831 DOI: 10.1016/j.ejmech.2019.01.047] [Citation(s) in RCA: 141] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/19/2019] [Accepted: 01/19/2019] [Indexed: 01/23/2023]
Abstract
Malaria, caused by protozoan parasites of the genus Plasmodium especially by the most prevalent parasite Plasmodium falciparum, represents one of the most devastating and common infectious disease globally. Nearly half of the world population is under the risk of being infected, and more than 200 million new clinical cases with around half a million deaths occur annually. Drug therapy is the mainstay of antimalarial therapy, yet current drugs are threatened by the development of resistance, so it's imperative to develop new antimalarials with great potency against both drug-susceptible and drug-resistant malaria. Triazoles, bearing a five-membered heterocyclic ring with three nitrogen atoms, exhibit promising in vitro antiplasmodial and in vivo antimalarial activities. Moreover, several triazole-based drugs have already used in clinics for the treatment of various diseases, demonstrating the excellent pharmaceutical profiles. Therefore, triazole derivatives have the potential for clinical deployment in the control and eradication of malaria. This review covers the recent advances of triazole derivatives especially triazole hybrids as potential antimalarials. The structure-activity relationship is also discussed to provide an insight for rational designs of more efficient antimalarial candidates.
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Afolayan M, Srivedavyasasri R, Asekun OT, Familoni OB, Orishadipe A, Zulfiqar F, Ibrahim MA, Ross SA. Phytochemical study of Piliostigma thonningii, a medicinal plant grown in Nigeria. Med Chem Res 2018; 27:2325-2330. [PMID: 30319238 PMCID: PMC6181138 DOI: 10.1007/s00044-018-2238-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 08/17/2018] [Indexed: 01/14/2023]
Abstract
Piliostigma thonningii (Schumach.) Milne-Redhead. (Leguminosae) is used for various medicinal purposes in African countries. Phytochemical investigation of P. thonningii yielded two compounds newly isolated from natural sources, 2β-methoxyclovan-9α-ol (1), and methyl-ent-3β-hydroxylabd-8(17)-en-15-oate (2), along with 14 known compounds (3-16). Compounds 1 and 4 (alepterolic acid) showed potential selectivity towards Trypanosoma brucei brucei with IC50 7.89 and 3.42 μM, respectively. Compound 2 showed activity towards T. brucei and Leishmania donovani Amastigote with IC50 3.84 and 7.82 μM, respectively. The structure activity relationship (SAR) of the isolated metabolites suggested that hydroxylation at C-2 enhances the antiprotozoal activity towards T. brucei in sesquiterpenes 1 and 3. Similarly hydroxylation at C-3 in labdane diterpenes elevates the antiprotozoal activity towards T. brucei.
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Affiliation(s)
- Michael Afolayan
- National Center for Natural Products Research, University of Mississippi, University, MS 38677, USA
- Department of Chemistry, University of Lagos, Lagos, Nigeria
- Chemistry Advanced Research Center, Sheda Science and Technology Complex, PMB 186 Garki Abuja, Nigeria
| | | | | | | | - Abayomi Orishadipe
- Chemistry Advanced Research Center, Sheda Science and Technology Complex, PMB 186 Garki Abuja, Nigeria
| | - Fazila Zulfiqar
- National Center for Natural Products Research, University of Mississippi, University, MS 38677, USA
| | - Mohamed A. Ibrahim
- National Center for Natural Products Research, University of Mississippi, University, MS 38677, USA
- Department of Chemistry of Natural Compounds, National Research Centre, 12622Dokki, Giza, Egypt
| | - Samir A Ross
- National Center for Natural Products Research, University of Mississippi, University, MS 38677, USA
- Department of BioMolecular Sciences, Division of Pharmacognosy, School of Pharmacy, University of Mississippi, University, MS 38677, USA
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