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Abbasi Shiran J, Kaboudin B, Panahi N, Razzaghi-Asl N. Privileged small molecules against neglected tropical diseases: A perspective from structure activity relationships. Eur J Med Chem 2024; 271:116396. [PMID: 38643671 DOI: 10.1016/j.ejmech.2024.116396] [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: 12/17/2023] [Revised: 04/02/2024] [Accepted: 04/06/2024] [Indexed: 04/23/2024]
Abstract
Neglected tropical diseases (NTDs) comprise diverse infections with more incidence in tropical/sub-tropical areas. In spite of preventive and therapeutic achievements, NTDs are yet serious threats to the public health. Epidemiological reports of world health organization (WHO) indicate that more than 1.5 billion people are afflicted with at least one NTD type. Among NTDs, leishmaniasis, chagas disease (CD) and human African trypanosomiasis (HAT) result in substantial morbidity and death, particularly within impoverished countries. The statistical facts call for robust efforts to manage the NTDs. Currently, most of the anti-NTD drugs are engaged with drug resistance, lack of efficient vaccines, limited spectrum of pharmacological effect and adverse reactions. To circumvent the issue, numerous scientific efforts have been directed to the synthesis and pharmacological development of chemical compounds as anti-infectious agents. A survey of the anti-NTD agents reveals that the majority of them possess privileged nitrogen, sulfur and oxygen-based heterocyclic structures. In this review, recent achievements in anti-infective small molecules against parasitic NTDs are described, particularly from the SAR (Structure activity relationship) perspective. We also explore current advocating strategies to extend the scope of anti-NTD agents.
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Affiliation(s)
- J Abbasi Shiran
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, PO Code: 5618953141, Iran
| | - B Kaboudin
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan, Iran
| | - N Panahi
- Department of Medicinal Chemistry, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - N Razzaghi-Asl
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, PO Code: 5618953141, Iran; Department of Medicinal Chemistry, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran.
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2
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Enriquez-Izazaga Y, Rodriguez-Nuñez JA, Frontana C, Armendariz-Vidales G. Intramolecular Hydrogen Bonding Effect on the Electron-Transfer Thermodynamics of a Series of o-Nitrobenzyl Alcohol Derivatives. J Org Chem 2023; 88:11434-11443. [PMID: 37535447 DOI: 10.1021/acs.joc.3c00180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
From thermoelectrochemical experiments and electronic structure calculations of a series of nitrobenzyl alcohol derivatives, the effect of intramolecular hydrogen bonding (IHB) on the electron transfer thermodynamics is discussed on a molecular basis. A linear correlation between formal reduction potential (E1/2) values and temperature was obtained for the temperature range from 300 to 350 K. Estimated electron transfer entropy values (ΔS)─determined from this dependence─and the enthalpy (ΔΔH) changes relative to o-nitrobenzyl alcohol confirmed that the effect of the formation of IHB proved to be decisive in the charge-transfer thermodynamics. The possibility of intermolecular hydrogen bonding is further discussed upon comparing thermodynamic data among three different solvents.
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Affiliation(s)
- Y Enriquez-Izazaga
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C., Parque Tecnológico Quéretaro Sanfandila, Pedro Escobedo, Querétaro 76703, México
| | - J A Rodriguez-Nuñez
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C., Parque Tecnológico Quéretaro Sanfandila, Pedro Escobedo, Querétaro 76703, México
| | - C Frontana
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C., Parque Tecnológico Quéretaro Sanfandila, Pedro Escobedo, Querétaro 76703, México
| | - G Armendariz-Vidales
- Centro de Investigación y Desarrollo Tecnológico en Electroquímica S.C., Parque Tecnológico Quéretaro Sanfandila, Pedro Escobedo, Querétaro 76703, México
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3
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Zheng Y, van den Kerkhof M, van der Meer T, Gul S, Kuzikov M, Ellinger B, de Esch IJP, Siderius M, Matheeussen A, Maes L, Sterk GJ, Caljon G, Leurs R. Discovery of 5-Phenylpyrazolopyrimidinone Analogs as Potent Antitrypanosomal Agents with In Vivo Efficacy. J Med Chem 2023; 66:10252-10264. [PMID: 37471520 PMCID: PMC10424178 DOI: 10.1021/acs.jmedchem.3c00161] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Indexed: 07/22/2023]
Abstract
Human African Trypanosomiasis (HAT), caused by Trypanosoma brucei, is one of the neglected tropical diseases with a continuing need for new medication. We here describe the discovery of 5-phenylpyrazolopyrimidinone analogs as a novel series of phenotypic antitrypanosomal agents. The most potent compound, 30 (NPD-2975), has an in vitro IC50 of 70 nM against T. b. brucei with no apparent toxicity against human MRC-5 lung fibroblasts. Showing good physicochemical properties, low toxicity potential, acceptable metabolic stability, and other pharmacokinetic features, 30 was further evaluated in an acute mouse model of T. b. brucei infection. After oral dosing at 50 mg/kg twice per day for five consecutive days, all infected mice were cured. Given its good drug-like properties and high in vivo antitrypanosomal potential, the 5-phenylpyrazolopyrimidinone analog 30 represents a promising lead for future drug development to treat HAT.
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Affiliation(s)
- Yang Zheng
- Amsterdam
Institute for Molecules, Medicines and Systems, Division of Medicinal
Chemistry, Faculty of Science, Vrije Universiteit
Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Magali van den Kerkhof
- Laboratory
of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Tiffany van der Meer
- Amsterdam
Institute for Molecules, Medicines and Systems, Division of Medicinal
Chemistry, Faculty of Science, Vrije Universiteit
Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Sheraz Gul
- Fraunhofer
Institute for Translational Medicine and Pharmacology ITMP, 22525 Hamburg, Germany
- Fraunhofer
Cluster of Excellence for Immune-Mediated Diseases CIMD, 22525 Hamburg, Germany
| | - Maria Kuzikov
- Fraunhofer
Institute for Translational Medicine and Pharmacology ITMP, 22525 Hamburg, Germany
- Fraunhofer
Cluster of Excellence for Immune-Mediated Diseases CIMD, 22525 Hamburg, Germany
| | - Bernhard Ellinger
- Fraunhofer
Institute for Translational Medicine and Pharmacology ITMP, 22525 Hamburg, Germany
- Fraunhofer
Cluster of Excellence for Immune-Mediated Diseases CIMD, 22525 Hamburg, Germany
| | - Iwan J. P. de Esch
- Amsterdam
Institute for Molecules, Medicines and Systems, Division of Medicinal
Chemistry, Faculty of Science, Vrije Universiteit
Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Marco Siderius
- Amsterdam
Institute for Molecules, Medicines and Systems, Division of Medicinal
Chemistry, Faculty of Science, Vrije Universiteit
Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - An Matheeussen
- Laboratory
of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Louis Maes
- Laboratory
of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Geert Jan Sterk
- Amsterdam
Institute for Molecules, Medicines and Systems, Division of Medicinal
Chemistry, Faculty of Science, Vrije Universiteit
Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Guy Caljon
- Laboratory
of Microbiology, Parasitology and Hygiene (LMPH), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Rob Leurs
- Amsterdam
Institute for Molecules, Medicines and Systems, Division of Medicinal
Chemistry, Faculty of Science, Vrije Universiteit
Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
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Dube PS, Legoabe LJ, Beteck RM. Quinolone: a versatile therapeutic compound class. Mol Divers 2022:10.1007/s11030-022-10581-8. [PMID: 36527518 PMCID: PMC9758687 DOI: 10.1007/s11030-022-10581-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 07/19/2022] [Indexed: 12/23/2022]
Abstract
The discovery of nalidixic acid is one pinnacle in medicinal chemistry, which opened a new area of research that has led to the discovery of several life-saving antimicrobial agents (generally referred to as fluoroquinolones) for over decades. Although fluoroquinolones are frequently encountered in the literature, the utility of quinolone compounds extends far beyond the applications of fluoroquinolones. Quinolone-based compounds have been reported for activity against malaria, tuberculosis, fungal and helminth infections, etc. Hence, the quinolone scaffold is of great interest to several researchers in diverse disciplines. This article highlights the versatility of the quinolone pharmacophore as a therapeutic agent beyond the fluoroquinolone profile.
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Affiliation(s)
- Phelelisiwe S. Dube
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, 2520 South Africa
| | - Lesetja J. Legoabe
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, 2520 South Africa
| | - Richard M. Beteck
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, 2520 South Africa
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Xia WJ, Fan TG, Zhao ZW, Chen X, Wang XX, Li YM. Radical Annulation of 2-Cyanoaryl Acrylamides via C═C Double Bond Cleavage: Access to Amino-Substituted 2-Quinolones. Org Lett 2021; 23:6158-6163. [PMID: 34313448 DOI: 10.1021/acs.orglett.1c02281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel annulation of 2-cyanoaryl acrylamides via C═C double bond cleavage has been developed for facile and efficient access to a broad spectrum of functionalized 4-amino-2-quinolones, which are important N-heterocycles. In this transformation, the solvent THF is demonstrated to play a crucial role, and the addition of alkyl radicals to nitrile, 1,5-hydride shift, and cleavage of the C-C bond are involved in the mechanism.
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Affiliation(s)
- Wen-Jin Xia
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Tai-Gang Fan
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Zhi-Wei Zhao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Xin Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Xiang-Xiang Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
| | - Ya-Min Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, P. R. China
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Kamdem BP, Elizabeth FI. The Role of Nitro (NO 2-), Chloro (Cl), and Fluoro (F) Substitution in the Design of Antileishmanial and Antichagasic Compounds. Curr Drug Targets 2021; 22:379-398. [PMID: 33371845 DOI: 10.2174/1389450121666201228122239] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 10/22/2020] [Accepted: 11/11/2020] [Indexed: 11/22/2022]
Abstract
Neglected tropical diseases (NTDs) are responsible for over 500,000 deaths annually and are characterized by multiple disabilities. Leishmaniasis and Chagas diseases are among the most severe NTDs, and are caused by the Leishmania sp and Trypanosoma cruzi, respectively. Glucantime, pentamidine, and miltefosine are commonly used to treat leishmaniasis, whereas nifurtimox, benznidazole are current treatments for Chagas disease. However, these treatments are associated with drug resistance and severe side effects. Hence, the development of synthetic products, especially those containing N02, F, or Cl, are known to improve biological activity. The present work summarizes the information on the antileishmanial and antitrypanosomal activity of nitro-, chloro-, and fluorosynthetic derivatives. Scientific publications referring to halogenated derivatives in relation to antileishmanial and antitrypanosomal activities were hand-searched in databases such as SciFinder, Wiley, Science Direct, PubMed, ACS, Springer, Scielo, and so on. According to the literature information, more than 90 compounds were predicted as lead molecules with reference to their IC50/EC50 values in in vitro studies. It is worth mentioning that only active compounds with known cytotoxic effects against mammalian cells were considered in the present study. The observed activity was attributed to the presence of nitro-, fluoro-, and chloro-groups in the compound backbone. All in all, nitro and halogenated derivatives are active antileishmanial and antitrypanosomal compounds and can serve as the baseline for the development of new drugs against leishmaniasis and Chagas disease. However, efforts in in vitro and in vivo toxicity studies of the active synthetic compounds is still needed. Pharmacokinetic studies and the mechanism of action of the promising compounds need to be explored. The use of new catalysts and chemical transformation can afford unexplored halogenated compounds with improved antileishmanial and antitrypanosomal activity.
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Affiliation(s)
- Boniface P Kamdem
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Ferreira I Elizabeth
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
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