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Bouzammit R, Belchkar S, El fadili M, Kanzouai Y, Mujwar S, Alanazi MM, Chalkha M, Nakkabi A, Bakhouch M, Gal E, Gaina LI, al houari G. New Triazole-Isoxazole Hybrids as Antibacterial Agents: Design, Synthesis, Characterization, In Vitro, and In Silico Studies. Molecules 2024; 29:2510. [PMID: 38893386 PMCID: PMC11174038 DOI: 10.3390/molecules29112510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 05/22/2024] [Accepted: 05/23/2024] [Indexed: 06/21/2024] Open
Abstract
Novel isoxazole-triazole conjugates have been efficiently synthesized using 3-formylchromone as starting material according to a multi-step synthetic approach. The structures of the target conjugates and intermediate products were characterized by standard spectroscopic techniques (1H NMR and 13C NMR) and confirmed by mass spectrometry (MS). The all-synthesized compounds were screened for their antibacterial activity against three ATCC reference strains, namely Staphylococcus aureus ATCC 25923, Staphylococcus aureus ATCC BAA-44, and Escherichia coli ATCC 25922 as well as one strain isolated from the hospital environment Pseudomonas aeruginosa. The findings indicate that conjugate 7b exhibits a stronger antibacterial response against the tested Escherichia coli ATCC 25922 and Pseudomonas aeruginosa pathogenic strains compared to the standard antibiotics. Furthermore, hybrid compound 7b proved to have a bactericidal action on the Escherichia coli ATCC 25922 strain, as evidenced by the results of the MBC determination. Moreover, the ADMET pharmacokinetic characteristics revealed a favorable profile for the examined compound, as well as a good level of oral bioavailability. Molecular docking and molecular dynamics simulations were performed to explore the inhibition mechanism and binding energies of conjugate 7b with the proteins of Escherichia coli and Pseudomonas aeruginosa bacterial strains. The in silico results corroborated the data observed in the in vitro evaluation for compound 7b.
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Affiliation(s)
- Rachid Bouzammit
- Engineering Laboratory of Organometallic and Molecular Materials and Environment, Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, P.O. Box 1796, Atlas, Fez 30000, Morocco; (Y.K.); (M.C.); (A.N.); (G.a.h.)
| | - Salim Belchkar
- Laboratory of Epidemiology and Research in Health Sciences, Faculty of Medicine, Pharmacy and Dentistry, University Sidi Mohammed Ben Abdellah, Fez 30070, Morocco;
| | - Mohamed El fadili
- LIMAS Laboratory, Chemistry Department, Faculty of Sciences Dhar El Mahraz, Sidi Mohamed Ben Abdellah University, P.O. Box 1796, Atlas, Fez 30000, Morocco;
| | - Youssra Kanzouai
- Engineering Laboratory of Organometallic and Molecular Materials and Environment, Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, P.O. Box 1796, Atlas, Fez 30000, Morocco; (Y.K.); (M.C.); (A.N.); (G.a.h.)
| | - Somdutt Mujwar
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India;
| | - Mohammed M. Alanazi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Mohammed Chalkha
- Engineering Laboratory of Organometallic and Molecular Materials and Environment, Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, P.O. Box 1796, Atlas, Fez 30000, Morocco; (Y.K.); (M.C.); (A.N.); (G.a.h.)
- Laboratory of Materials Engineering for the Environment and Natural Ressources, Faculty of Sciences and Techniques, University of Moulay Ismail of Meknès, B.P 509, Boutalamine, Errachidia 52000, Morocco
| | - Asmae Nakkabi
- Engineering Laboratory of Organometallic and Molecular Materials and Environment, Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, P.O. Box 1796, Atlas, Fez 30000, Morocco; (Y.K.); (M.C.); (A.N.); (G.a.h.)
- Laboratory of Materials Engineering for the Environment and Natural Ressources, Faculty of Sciences and Techniques, University of Moulay Ismail of Meknès, B.P 509, Boutalamine, Errachidia 52000, Morocco
| | - Mohamed Bakhouch
- Bioorganic Chemistry Team, Faculty of Science, Chouaïb Doukkali University, P.O. Box 24, El Jadida 24000, Morocco;
| | - Emese Gal
- Research Center on Fundamental and Applied Heterochemistry, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, 11 Arany Janos Str., RO-400028 Cluj-Napoca, Romania; (E.G.); (L.I.G.)
| | - Luiza Ioana Gaina
- Research Center on Fundamental and Applied Heterochemistry, Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, 11 Arany Janos Str., RO-400028 Cluj-Napoca, Romania; (E.G.); (L.I.G.)
| | - Ghali al houari
- Engineering Laboratory of Organometallic and Molecular Materials and Environment, Faculty of Sciences Dhar El Mahraz, University Sidi Mohamed Ben Abdellah, P.O. Box 1796, Atlas, Fez 30000, Morocco; (Y.K.); (M.C.); (A.N.); (G.a.h.)
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2
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Bhoye MR, Shinde A, Shaikh ALN, Shisode V, Chavan A, Maliwal D, Pissurlenkar RRS, Mhaske PC. New thiazolyl-isoxazole derivatives as potential anti-infective agents: design, synthesis, in vitro and in silico antimicrobial efficacy. J Biomol Struct Dyn 2024:1-15. [PMID: 38258445 DOI: 10.1080/07391102.2024.2306497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 01/10/2024] [Indexed: 01/24/2024]
Abstract
Antimicrobial resistance threatens the efficacious prevention and treatment of infectious diseases caused by microorganisms. To combat microbial infections, the need for new drug candidates is essential. In this context, the design, synthesis, antimicrobial screening, and in silico study of a new series of 5-aryl-3-(2-arylthiazol-4-yl)isoxazole (9a-t) have been reported. The structure of new compounds was confirmed by spectrometric methods. Compounds 9a-t were evaluated for in vitro antitubercular and antimicrobial activity. Against M. tuberculosis H37Rv, fourteen compounds showed good to excellent antitubercular activity with MIC 2.01-9.80 µM. Compounds 9a, 9b, and 9r showed four-fold more activity than the reference drug isoniazid. Nine compounds, 9a, 9b, 9d, 9e, 9i, 9q, 9r, 9s, and 9t, showed good antibacterial activity against E. coli with MIC 7.8-15.62 µg/mL. Against A. niger, four compounds showed good activity with MIC 31.25 µg/mL. Against C. albicans, all twenty compounds reported excellent to good activity with MIC 7.8-31.25 µg/mL. Compounds 9c-e, 9g-j, and 9q-t showed comparable activity concerning the reference drug fluconazole. The compounds 9a-t were screened for cytotoxicity against 3t3l1 cell lines and found to be less or non-cytotoxic. The in silico study exposed that these compounds displayed high affinity towards the M. tuberculosis targets PanK, DprE1, DHFR, PknA, KasA, and Pks13, and C. albicans targets NMT, CYP51, and CS. The compound 9r was evaluated for structural dynamics and molecular dynamics simulations. The potent antitubercular and antimicrobial activity of 5-aryl-3-(2-arylthiazol-4-yl)isoxazole (9a-t) derivatives has recommended that these compounds could assist in treating microbial infections.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Manish R Bhoye
- Post-Graduate Department of Chemistry, S. P. Mandali's Sir Parashurambhau College, Pune, India
- Department of Chemistry, S.N Arts, D.J.M. Commerce and B.N.S. Science College, Sangamner, India
| | - Abhijit Shinde
- Post-Graduate Department of Chemistry, S. P. Mandali's Sir Parashurambhau College, Pune, India
| | - Abdul Latif N Shaikh
- Post-Graduate Department of Chemistry, S. P. Mandali's Sir Parashurambhau College, Pune, India
- Department of Chemistry, Jijamata College of Science and Arts, Bhende, India
| | - Vilas Shisode
- Post-Graduate Department of Chemistry, S. P. Mandali's Sir Parashurambhau College, Pune, India
| | - Abhijit Chavan
- Post-Graduate Department of Chemistry, S. P. Mandali's Sir Parashurambhau College, Pune, India
| | - Deepika Maliwal
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai, India
| | | | - Pravin C Mhaske
- Post-Graduate Department of Chemistry, S. P. Mandali's Sir Parashurambhau College, Pune, India
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3
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Sahoo SK, Ommi O, Maddipatla S, Singh P, Ahmad MN, Kaul G, Nanduri S, Dasgupta A, Chopra S, Yaddanapudi VM. Isoxazole carboxylic acid methyl ester-based urea and thiourea derivatives as promising antitubercular agents. Mol Divers 2023; 27:2037-2052. [PMID: 36282413 PMCID: PMC9592870 DOI: 10.1007/s11030-022-10543-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/28/2022] [Indexed: 11/01/2022]
Abstract
In our continued efforts to find potential chemotherapeutics active against drug-resistant (DR) Mycobacterium tuberculosis (Mtb), causative agent of Tuberculosis (TB) and to curb the current burdensome treatment regimen, herein we describe the synthesis and biological evaluation of urea and thiourea variants of 5-phenyl-3-isoxazolecarboxylic acid methyl esters as promising anti-TB agent. Majority of the tested compounds displayed potent in vitro activity not only against drug-susceptible (DS) Mtb H37Rv but also against drug-resistant (DR) Mtb. Cell viability test against Vero cells deemed these compounds devoid of significant toxicity. 3,4-Dichlorophenyl derivative (MIC 0.25 µg/mL) and 4-chlorophenyl congener (MIC 1 µg/mL) among urea and thiourea libraries respectively exhibited optimum potency. Lead optimization resulted in the identification of 1,4-linked analogue of 3,4-dichlorophenyl urea derivative demonstrating improved selectivity. Further, in silico study complemented with previously proposed prodrug like attributes of isoxazole esters. Taken together, this molecular hybridization approach presents a new chemotype having potential to be translated into an alternate anti-Mtb agent.
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Affiliation(s)
- Santosh Kumar Sahoo
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, 500037, India
| | - Ojaswitha Ommi
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, 500037, India
| | - Sarvan Maddipatla
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, 500037, India
| | - Priti Singh
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, 500037, India
| | - Mohammad Naiyaz Ahmad
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Jankipuram Extension, Lucknow, Uttar Pradesh, 226031, India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Grace Kaul
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Jankipuram Extension, Lucknow, Uttar Pradesh, 226031, India
- AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Srinivas Nanduri
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, 500037, India
| | - Arunava Dasgupta
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Jankipuram Extension, Lucknow, Uttar Pradesh, 226031, India.
- AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Sidharth Chopra
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Jankipuram Extension, Lucknow, Uttar Pradesh, 226031, India.
- AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Venkata Madhavi Yaddanapudi
- Department of Chemical Sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, Telangana, 500037, India.
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Kondrashov EV, Belovezhets LA, Shatokhina NS, Shilova AN, Kostyro YA, Markova YA, Borovskaya MK, Borovskii GB. Design of novel water-soluble isoxazole-based antimicrobial agents and evaluation of their cytotoxicity and acute toxicity. Bioorg Chem 2023; 138:106644. [PMID: 37302315 DOI: 10.1016/j.bioorg.2023.106644] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/24/2023] [Accepted: 05/28/2023] [Indexed: 06/13/2023]
Abstract
Based on the readily available 3-organyl-5-(chloromethyl)isoxazoles, a number of previously unknown water-soluble conjugates of isoxazoles with thiourea, amino acids, some secondary and tertiary amines, and thioglycolic acid were synthesized. The bacteriostatic activity of aforementioned compounds has been studied against Enterococcus durans B-603, Bacillus subtilis B-407, Rhodococcus qingshengii Ac-2784D, and Escherichia coli B-1238 microorganisms (provided by All-Russian Collection of Microorganisms, VKM). The influence of the nature of the substituents in positions 3 and 5 of the isoxazole ring on the antimicrobial activity of the obtained compounds has been determined. It is found that the highest bacteriostatic effect is observed for compounds containing 4-methoxyphenyl or 5-nitrofuran-2-yl substituents in position 3 of the isoxazole ring as well as methylene group in position 5 bearing residues of l-proline or N-Ac-l-cysteine (5a-d, MIC 0.06-2.5 µg/ml). The leading compounds showed low cytotoxicity on normal human skin fibroblast cells (NAF1nor) and low acute toxicity on mice in comparison with the well-known isoxazole-containing antibiotic oxacillin.
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Affiliation(s)
- Evgeniy V Kondrashov
- A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia.
| | - Lyudmila A Belovezhets
- A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Nina S Shatokhina
- A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Alexandra N Shilova
- A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Yana A Kostyro
- A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Yulia A Markova
- Siberian Institute of Plant Physiology and Biochemistry, Siberian Brunch of the Russian Academy of Sciences, Lermontova st., 132, Irkutsk 664033, Russia
| | - Marina K Borovskaya
- Siberian Institute of Plant Physiology and Biochemistry, Siberian Brunch of the Russian Academy of Sciences, Lermontova st., 132, Irkutsk 664033, Russia
| | - Gennadii B Borovskii
- Siberian Institute of Plant Physiology and Biochemistry, Siberian Brunch of the Russian Academy of Sciences, Lermontova st., 132, Irkutsk 664033, Russia
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Song W, Liu Y, Yan N, Wan JP. Tunable Key [3 + 2] and [2 + 1] Cycloaddition of Enaminones and α-Diazo Compounds for the Synthesis of Isomeric Isoxazoles: Metal-Controlled Selectivity. Org Lett 2023; 25:2139-2144. [PMID: 36946543 DOI: 10.1021/acs.orglett.3c00636] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
The three-component reactions of enaminones, α-diazo esters/ketones, and t-butyl nitrite (TBN) for the switchable synthesis of isomeric isoxazoles have been realized. The catalysis with Cu(II) salt provides 3,4-disubsituted isoxazoles via [3 + 2] cycloaddition. On the other hand, the catalysis of Ag(I) with identical substrates leads to isomeric isoxazoles with reversed C3 and C4 substitution based on a key [2 + 1] cycloaddition.
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Affiliation(s)
- Wenli Song
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Yunyun Liu
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Nan Yan
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
| | - Jie-Ping Wan
- National Engineering Research Center for Carbohydrate Synthesis, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, Jiangxi 330022, People's Republic of China
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6
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Al-Aizari FA, Ghabbour HA, Kheder NA, Soliman SM, Hassan MZ, Tasqeeruddin S, Mabkhot YN. Synthesis, X-Ray Structure Analysis, Computational Investigations, and In Vitro Biological Evaluation of New Thiazole-Based Heterocycles as Possible Antimicrobial Agents. Polycycl Aromat Compd 2023. [DOI: 10.1080/10406638.2023.2172053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Faiz A. Al-Aizari
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
- Department of Chemistry, Faculty of Science, Al-Baydha University, Albaydah, Yemen
| | - Hazem A. Ghabbour
- Department of Medicinal Chemistry, Faculty of Pharmacy, University of Mansoura, Mansoura, Egypt
| | - Nabila A. Kheder
- Department of Chemistry, Faculty of Science, Cairo University, Giza, Egypt
| | - Saied M. Soliman
- Department of Chemistry, Faculty of Science, Alexandria University, Ibrahimia, Alexandria, Egypt
| | - Mohd. Z. Hassan
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Syed Tasqeeruddin
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
| | - Yahia N. Mabkhot
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Khalid University, Abha, Saudi Arabia
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7
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Girardini M, Ferlenghi F, Annunziato G, Degiacomi G, Papotti B, Marchi C, Sammartino JC, Rasheed SS, Contini A, Pasca MR, Vacondio F, Evans JC, Dick T, Müller R, Costantino G, Pieroni M. Expanding the knowledge around antitubercular 5-(2-aminothiazol-4-yl)isoxazole-3-carboxamides: Hit-to-lead optimization and release of a novel antitubercular chemotype via scaffold derivatization. Eur J Med Chem 2023; 245:114916. [PMID: 36399878 PMCID: PMC10583863 DOI: 10.1016/j.ejmech.2022.114916] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/04/2022] [Accepted: 11/05/2022] [Indexed: 11/13/2022]
Abstract
Tuberculosis is one of the deadliest infectious diseases in the world, and the increased number of multidrug-resistant and extensively drug-resistant strains is a reason for concern. We have previously reported a series of substituted 5-(2-aminothiazol-4-yl)isoxazole-3-carboxamides with growth inhibitory activity against Mycobacterium tuberculosis strains and low propensity to be substrate of efflux pumps. Encouraged by these preliminary results, we have undertaken a medicinal chemistry campaign to determine the metabolic fate of these compounds and to delineate a reliable body of Structure-Activity Relationships. Keeping intact the (thiazol-4-yl)isoxazole-3-carboxamide core, as it is deemed to be the pharmacophore of the molecule, we have extensively explored the structural modifications able to confer good activity and avoid rapid clearance. Also, a small set of analogues based on isostere manipulation of the 2-aminothiazole were prepared and tested, with the aim to disclose novel antitubercular chemotypes. These studies, combined, were instrumental in designing improved compounds such as 42g and 42l, escaping metabolic degradation by human liver microsomes and, at the same time, maintaining good antitubercular activity against both drug-susceptible and drug-resistant strains.
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Affiliation(s)
- Miriam Girardini
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Francesca Ferlenghi
- Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy
| | | | - Giulia Degiacomi
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100, Pavia, Italy
| | - Bianca Papotti
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Cinzia Marchi
- Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - José Camilla Sammartino
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100, Pavia, Italy
| | - Sari S Rasheed
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, Saarland University Campus, 66123, Saarbrücken, Germany; German Centre for Infection Research, partner site Hannover-Braunschweig, Germany
| | - Anna Contini
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy
| | - Maria Rosalia Pasca
- Department of Biology and Biotechnology "Lazzaro Spallanzani", University of Pavia, 27100, Pavia, Italy
| | - Federica Vacondio
- Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy
| | - Joanna C Evans
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, USA
| | - Thomas Dick
- Center for Discovery and Innovation, Hackensack Meridian Health, Nutley, NJ, USA; Department of Medical Sciences, Hackensack Meridian School of Medicine, Nutley, NJ, USA; Department of Microbiology and Immunology, Georgetown University, Washington DC, USA
| | - Rolf Müller
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research, Saarland University Campus, 66123, Saarbrücken, Germany; German Centre for Infection Research, partner site Hannover-Braunschweig, Germany
| | - Gabriele Costantino
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy; Centro Interdipartimentale Misure (CIM) 'G. Casnati', University of Parma, Parma, Italy
| | - Marco Pieroni
- P4T Group, Italy; Department of Food and Drug, University of Parma, 43124, Parma, Italy; Centro Interdipartimentale "Biopharmanet-tec", Università degli Studi di Parma, Parma, Italy.
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8
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Duan M, Hou G, Zhao Y, Zhu C, Song C. Synthesis of Isoxazoles via One-Pot Oxidation/Cyclization Sequence from Propargylamines. J Org Chem 2022; 87:11222-11225. [PMID: 35912706 DOI: 10.1021/acs.joc.2c00896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A facile strategy for the synthesis of isoxazoles has been efficaciously developed, which involves oxidation of propargylamines to the corresponding oximes followed by CuCl-mediated intramolecular cyclization of the latter. This protocol shows a straightforward way to construct a series of isoxazole cores with a wide range of functional group compatibility. Meanwhile, a gram-scale experiment and synthetic applications can be successfully operated.
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Affiliation(s)
- Mengyan Duan
- College of Chemistry, and Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, China
| | - Guodong Hou
- College of Chemistry, and Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, China
| | - Yabiao Zhao
- College of Chemistry, and Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, China
| | - Congjun Zhu
- School of Chemistry & Chemical Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Chuanjun Song
- College of Chemistry, and Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, China
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9
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Hit-to-lead optimization of novel phenyl imidazole carboxamides that are active against Leishmania donovani. Eur J Med Chem 2022; 240:114577. [DOI: 10.1016/j.ejmech.2022.114577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 11/20/2022]
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10
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Kumar Sahoo S, Naiyaz Ahmad M, Kaul G, Nanduri S, Dasgupta A, Chopra S, Madhavi Yaddanapudi V. Exploration of Isoxazole-Carboxylic Acid Methyl Ester Based 2-Substituted Quinoline Derivatives as Promising Antitubercular Agents. Chem Biodivers 2022; 19:e202200324. [PMID: 35653161 DOI: 10.1002/cbdv.202200324] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 06/02/2022] [Indexed: 12/12/2022]
Abstract
In pursuit of potent anti-TB agents active against drug resistant tuberculosis (DR-TB), herein we report synthesis and bio-evaluation of a new series of isoxazole-carboxylic acid methyl ester based 2-substituted quinoline derivatives. Preliminary evaluation indicated selectivity towards Mtb H37Rv, with no inhibition of non-tubercular mycobacterial (NTM) & bacterial pathogen panel. Out of 36 synthesized compounds, majority exhibited substantial inhibition of Mtb H37Rv (MIC 0.5-8 μg/mL). Cell viability test against Vero cells revealed no significant cytotoxicity. Further, screening against drug resistant strains (DR-Mtb) found hit compound displaying promising potency (MIC 1-4 μg/mL). Structure optimization of the hit led to the identification of lead compound demonstrating potent inhibition of both drug-susceptible Mtb (MIC 0.12 μg/mL) and drug-resistant Mtb (MIC 0.25-0.5 μg/mL) along with a high selectivity index (SI) >80. Taken together, with appreciable selectivity and potent activity, these chemotypes show prospect to be turned into a potential anti-TB candidate.
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Affiliation(s)
- Santosh Kumar Sahoo
- Department of chemical sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, India
| | - Mohammad Naiyaz Ahmad
- Division of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Janakipuram Extension, Sitapur Road, Lucknow, 226031, UP, India.,AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Grace Kaul
- Division of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Janakipuram Extension, Sitapur Road, Lucknow, 226031, UP, India.,AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Srinivas Nanduri
- Department of chemical sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, India
| | - Arunava Dasgupta
- Division of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Janakipuram Extension, Sitapur Road, Lucknow, 226031, UP, India.,AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sidharth Chopra
- Division of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Janakipuram Extension, Sitapur Road, Lucknow, 226031, UP, India.,AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Venkata Madhavi Yaddanapudi
- Department of chemical sciences, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, India
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11
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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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12
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Shafran YM, Hussein AA, Beliaev NA, Shevyrin VA, Shityakov S, Beryozkina TV, Bakulev VA. Selective Synthesis of Azoloyl NH-1,2,3-Triazoles and Azolyl Diazoketones: Experimental and Computational Insights. ACS OMEGA 2022; 7:5008-5031. [PMID: 35187318 PMCID: PMC8851643 DOI: 10.1021/acsomega.1c05898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 01/18/2022] [Indexed: 05/03/2023]
Abstract
Here, we report that the reaction of enaminones, from a class of azole series, with sulfonyl azides leads to a difficult-to-separate mixture of two pairs of compounds: (1) 4-azoloyl-NH-1,2,3-triazoles with sulfonamides and (2) azolyl diazoketones with N-sulfonamidines, as a result of the implementation of two competing reactions. On one hand, the electron-donating methyl or methoxy group in the aryl para-position of arylsulfonyl azides favors the production of NH-1,2,3-triazoles together with sulfonamides. On the other hand, the use of highly electrophilic 4-nitrophenylsulfonyl azide promotes the formation of diazoketones and sulfonamidines. It is shown that the direction of each reaction is not only controlled by the nature of the initial enaminones and sulfonyl azides but also depends on the tested solvent. The problem of removing sulfonamides and amidines from the desired products was solved for the first time using new water-soluble enaminones. Based on the experimental and computational studies, the factors contributing to the selective course of alternative reactions were identified, and methods for the synthesis of azoloyl-NH-1,2,3-triazoles and azolyl diazoketones were developed. Density functional theory (DFT) results have shown that the 1,3-dipolar cycloaddition is totally driven toward one single regioisomer with a high asynchronous bond formation, and the introduction of an electron-deficient group in sulfonyl azides induces faster cycloaddition. Additionally, DFT calculations were used to gain further mechanistic insights on the reaction studied here.
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Affiliation(s)
- Yuri M. Shafran
- Technology
for Organic Synthesis Department, Ural Federal
University, 19 Mira Street, Ekaterinburg 620002, Russia
| | - Aqeel A. Hussein
- Department
of Pharmacy, College of Medicine, Komar
University of Science and Technology, Sulaymaniyah 46002, Kurdistan Region, Iraq
| | - Nikolai A. Beliaev
- Technology
for Organic Synthesis Department, Ural Federal
University, 19 Mira Street, Ekaterinburg 620002, Russia
| | - Vadim A. Shevyrin
- Technology
for Organic Synthesis Department, Ural Federal
University, 19 Mira Street, Ekaterinburg 620002, Russia
| | - Sergey Shityakov
- Laboratory
of Chemoinformatics, Infochemistry Scientific Center, ITMO University, 9 Lomonosova Street, Saint-Petersburg 191002, Russia
| | - Tetyana V. Beryozkina
- Technology
for Organic Synthesis Department, Ural Federal
University, 19 Mira Street, Ekaterinburg 620002, Russia
| | - Vasiliy A. Bakulev
- Technology
for Organic Synthesis Department, Ural Federal
University, 19 Mira Street, Ekaterinburg 620002, Russia
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13
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Sadovnikov KS, Vasilenko DA, Gracheva YA, Zefirov NA, Radchenko EV, Palyulin VA, Grishin YK, Vasilichin VA, Shtil AA, Shevtsov PN, Shevtsova EF, Kuznetsova TS, Kuznetsov SA, Bunev AS, Zefirova ON, Milaeva ER, Averina EB. Novel substituted 5-methyl-4-acylaminoisoxazoles as antimitotic agents: Evaluation of selectivity to LNCaP cancer cells. Arch Pharm (Weinheim) 2022; 355:e2100425. [PMID: 35103336 DOI: 10.1002/ardp.202100425] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/20/2021] [Accepted: 01/11/2022] [Indexed: 11/07/2022]
Abstract
A series of novel antimitotic agents was designed using the replacement of heterocyclic cores in two tubulin-targeting lead molecules with the acylated 4-aminoisoxazole moiety. Target compounds were synthesized via heterocyclization of β-aryl-substituted vinylketones by tert-butyl nitrite in the presence of water as a key step. 4-Methyl-N-[5-methyl-3-(3,4,5-trimethoxyphenyl)isoxazol-4-yl]benzamide (1aa) was found to stimulate partial depolymerization of microtubules of human lung carcinoma A549 cells at a high concentration of 100 µM and to totally inhibit cell growth (IC50 = 0.99 µM) and cell viability (IC50 = 0.271 µM) in the nanomolar to submicromolar concentration range. These data provide evidence of the multitarget profile of the cytotoxic action of compound 1aa. The SAR study demonstrated that the 3,4,5-trimethoxyphenyl residue is the key structural parameter determining the efficiency both towards tubulin and other molecular targets. The cytotoxicity of 3-methyl-N-[5-methyl-3-(3,4,5-trimethoxyphenyl)isoxazol-4-yl]benzamide (1ab) to the androgen-sensitive human prostate adenocarcinoma cancer cell line LNCaP (IC50 = 0.301 µM) was approximately one order of magnitude higher than that to the conditionally normal cells lines WI-26 VA4 (IC50 = 2.26 µM) and human umbilical vein endothelial cells (IC50 = 5.58 µM) and significantly higher than that to primary fibroblasts (IC50 > 75 µM).
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Affiliation(s)
- Kirill S Sadovnikov
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Dmitry A Vasilenko
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Yulia A Gracheva
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Nikolay A Zefirov
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Eugene V Radchenko
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Vladimir A Palyulin
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Yuri K Grishin
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | | | - Alexander A Shtil
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation.,Blokhin National Medical Research Center of Oncology, Moscow, Russian Federation
| | - Pavel N Shevtsov
- Institute of Physiologically Active Compounds, Chernogolovka MR, Russian Federation
| | - Elena F Shevtsova
- Institute of Physiologically Active Compounds, Chernogolovka MR, Russian Federation
| | - Tamara S Kuznetsova
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Sergei A Kuznetsov
- Institute of Biological Sciences, Cell Biology and Biosystems Technology, University of Rostock, Rostock, Germany
| | - Alexander S Bunev
- Medicinal Chemistry Center, Togliatti State University, Togliatti, Russian Federation
| | - Olga N Zefirova
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Elena R Milaeva
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Elena B Averina
- Department of Chemistry, Lomonosov Moscow State University, Moscow, Russian Federation
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14
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Chloramine-T (N-chloro-p-toluenesulfonamide sodium salt), a versatile reagent in organic synthesis and analytical chemistry: An up to date review. JOURNAL OF SAUDI CHEMICAL SOCIETY 2022. [DOI: 10.1016/j.jscs.2021.101416] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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15
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Recent advancements and developments in search of anti-tuberculosis agents: A quinquennial update and future directions. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131473] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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16
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Vasilenko DA, Sadovnikov KS, Sedenkova KN, Karlov DS, Radchenko EV, Grishin YK, Rybakov VB, Kuznetsova TS, Zamoyski VL, Grigoriev VV, Palyulin VA, Averina EB. A Facile Approach to Bis(isoxazoles), Promising Ligands of the AMPA Receptor. Molecules 2021; 26:molecules26216411. [PMID: 34770819 PMCID: PMC8588558 DOI: 10.3390/molecules26216411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/14/2021] [Accepted: 10/21/2021] [Indexed: 12/30/2022] Open
Abstract
A convenient synthetic approach to novel functionalized bis(isoxazoles), the promising bivalent ligands of the AMPA receptor, was elaborated. It was based on the heterocyclization reactions of readily available electrophilic alkenes with the tetranitromethane-triethylamine complex. The structural diversity of the synthesized compounds was demonstrated. In the electrophysiological experiments using the patch clamp technique on Purkinje neurons, the compound 1,4-phenylenedi(methylene)bis(5-aminoisoxazole-3-carboxylate) was shown to be highly potent positive modulator of the AMPA receptor, potentiating kainate-induced currents up to 70% at 10−11 M.
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Affiliation(s)
- Dmitry A. Vasilenko
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Kirill S. Sadovnikov
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Kseniya N. Sedenkova
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Dmitry S. Karlov
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Eugene V. Radchenko
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Yuri K. Grishin
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Victor B. Rybakov
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Tamara S. Kuznetsova
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
| | - Vladimir L. Zamoyski
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, Russia;
| | - Vladimir V. Grigoriev
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka, 142432 Moscow, Russia;
| | - Vladimir A. Palyulin
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
- Correspondence: (V.A.P.); (E.B.A.)
| | - Elena B. Averina
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (D.A.V.); (K.S.S.); (K.N.S.); (D.S.K.); (E.V.R.); (Y.K.G.); (V.B.R.); (T.S.K.); (V.V.G.)
- Correspondence: (V.A.P.); (E.B.A.)
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17
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Novel N-bridged pyrazole-1-carbothioamides with potential antiproliferative activity: design, synthesis, in vitro and in silico studies. Future Med Chem 2021; 13:1743-1766. [PMID: 34427113 DOI: 10.4155/fmc-2021-0066] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Thiazole-substituted pyrazole is an important structural feature of many bioactive compounds, including antiviral, antitubercular, analgesic and anticancer agents. Herein we describe an efficient and facile approach for the synthesis of two series of 36 novel N-bridged pyrazole-1-phenylthiazoles. The antiproliferative activity of a set of representative compounds was evaluated in vitro against different human cancer cell lines. Among the identified compounds, compound 18 showed potent anticancer activity against the examined cancer cell lines. The in silico molecular docking study revealed that compound 18 possesses high binding affinity toward both SK1 and CDK2. Overall, these results indicate that compound 18 is a promising lead anticancer compound which may be exploited for development of antiproliferative drugs.
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18
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Miethke M, Pieroni M, Weber T, Brönstrup M, Hammann P, Halby L, Arimondo PB, Glaser P, Aigle B, Bode HB, Moreira R, Li Y, Luzhetskyy A, Medema MH, Pernodet JL, Stadler M, Tormo JR, Genilloud O, Truman AW, Weissman KJ, Takano E, Sabatini S, Stegmann E, Brötz-Oesterhelt H, Wohlleben W, Seemann M, Empting M, Hirsch AKH, Loretz B, Lehr CM, Titz A, Herrmann J, Jaeger T, Alt S, Hesterkamp T, Winterhalter M, Schiefer A, Pfarr K, Hoerauf A, Graz H, Graz M, Lindvall M, Ramurthy S, Karlén A, van Dongen M, Petkovic H, Keller A, Peyrane F, Donadio S, Fraisse L, Piddock LJV, Gilbert IH, Moser HE, Müller R. Towards the sustainable discovery and development of new antibiotics. Nat Rev Chem 2021; 5:726-749. [PMID: 37118182 PMCID: PMC8374425 DOI: 10.1038/s41570-021-00313-1] [Citation(s) in RCA: 376] [Impact Index Per Article: 125.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/01/2021] [Indexed: 02/08/2023]
Abstract
An ever-increasing demand for novel antimicrobials to treat life-threatening infections caused by the global spread of multidrug-resistant bacterial pathogens stands in stark contrast to the current level of investment in their development, particularly in the fields of natural-product-derived and synthetic small molecules. New agents displaying innovative chemistry and modes of action are desperately needed worldwide to tackle the public health menace posed by antimicrobial resistance. Here, our consortium presents a strategic blueprint to substantially improve our ability to discover and develop new antibiotics. We propose both short-term and long-term solutions to overcome the most urgent limitations in the various sectors of research and funding, aiming to bridge the gap between academic, industrial and political stakeholders, and to unite interdisciplinary expertise in order to efficiently fuel the translational pipeline for the benefit of future generations. ![]()
Antimicrobial resistance is an increasing threat to public health and encouraging the development of new antimicrobials is one of the most important ways to address the problem. This Roadmap article aims to bring together industrial, academic and political partners, and proposes both short-term and long-term solutions to this challenge.
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Affiliation(s)
- Marcus Miethke
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Marco Pieroni
- Food and Drug Department, University of Parma, Parma, Italy
| | - Tilmann Weber
- The Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Lyngby, Denmark
| | - Mark Brönstrup
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Chemical Biology (CBIO), Helmholtz Centre for Infection Research (HZI), Braunschweig, Germany
| | - Peter Hammann
- Infectious Diseases & Natural Product Research at EVOTEC, and Justus Liebig University Giessen, Giessen, Germany
| | - Ludovic Halby
- Epigenetic Chemical Biology, Department of Structural Biology and Chemistry, Institut Pasteur, UMR n°3523, CNRS, Paris, France
| | - Paola B Arimondo
- Epigenetic Chemical Biology, Department of Structural Biology and Chemistry, Institut Pasteur, UMR n°3523, CNRS, Paris, France
| | - Philippe Glaser
- Ecology and Evolution of Antibiotic Resistance Unit, Microbiology Department, Institut Pasteur, CNRS UMR3525, Paris, France
| | | | - Helge B Bode
- Department of Biosciences, Goethe University Frankfurt, Frankfurt, Germany.,Max Planck Institute for Terrestrial Microbiology, Department of Natural Products in Organismic Interactions, Marburg, Germany
| | - Rui Moreira
- Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal
| | - Yanyan Li
- Unit MCAM, CNRS, National Museum of Natural History (MNHN), Paris, France
| | - Andriy Luzhetskyy
- Pharmaceutical Biotechnology, Saarland University, Saarbrücken, Germany
| | - Marnix H Medema
- Bioinformatics Group, Wageningen University and Research, Wageningen, Netherlands
| | - Jean-Luc Pernodet
- Institute for Integrative Biology of the Cell (I2BC) & Microbiology Department, University of Paris-Saclay, Gif-sur-Yvette, France
| | - Marc Stadler
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Microbial Drugs (MWIS), Helmholtz Centre for Infection Research (HZI), Braunschweig, Germany
| | | | | | - Andrew W Truman
- Department of Molecular Microbiology, John Innes Centre, Norwich, United Kingdom
| | - Kira J Weissman
- Molecular and Structural Enzymology Group, Université de Lorraine, CNRS, IMoPA, Nancy, France
| | - Eriko Takano
- Manchester Institute of Biotechnology, Department of Chemistry, School of Natural Sciences, Faculty of Science and Engineering, University of Manchester, Manchester, United Kingdom
| | - Stefano Sabatini
- Department of Pharmaceutical Sciences, University of Perugia, Perugia, Italy
| | - Evi Stegmann
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection Medicine, University of Tübingen, Tübingen, Germany
| | - Heike Brötz-Oesterhelt
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection Medicine, University of Tübingen, Tübingen, Germany
| | - Wolfgang Wohlleben
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Department of Microbiology/Biotechnology, Interfaculty Institute of Microbiology and Infection Medicine, University of Tübingen, Tübingen, Germany
| | - Myriam Seemann
- Institute for Chemistry UMR 7177, University of Strasbourg/CNRS, ITI InnoVec, Strasbourg, France
| | - Martin Empting
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Anna K H Hirsch
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Brigitta Loretz
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany
| | - Claus-Michael Lehr
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany
| | - Alexander Titz
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Jennifer Herrmann
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Timo Jaeger
- German Center for Infection Research (DZIF), Braunschweig, Germany
| | - Silke Alt
- German Center for Infection Research (DZIF), Braunschweig, Germany
| | | | | | - Andrea Schiefer
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Institute of Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany
| | - Kenneth Pfarr
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Institute of Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany
| | - Achim Hoerauf
- German Center for Infection Research (DZIF), Braunschweig, Germany.,Institute of Medical Microbiology, Immunology and Parasitology (IMMIP), University Hospital Bonn, Bonn, Germany
| | - Heather Graz
- Biophys Ltd., Usk, Monmouthshire, United Kingdom
| | - Michael Graz
- School of Law, University of Bristol, Bristol, United Kingdom
| | | | | | - Anders Karlén
- Department of Medicinal Chemistry, Uppsala University, Uppsala, Sweden
| | | | - Hrvoje Petkovic
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Andreas Keller
- Chair for Clinical Bioinformatics, Saarland University, University Hospital, Saarbrücken, Germany
| | | | | | - Laurent Fraisse
- Drugs for Neglected Diseases initiative (DNDi), Geneva, Switzerland
| | - Laura J V Piddock
- The Global Antibiotic Research and Development Partnership (GARDP), Geneva, Switzerland
| | - Ian H Gilbert
- Division of Biological Chemistry and Drug Discovery, University of Dundee, Dundee, United Kingdom
| | - Heinz E Moser
- Novartis Institutes for BioMedical Research (NIBR), Emeryville, CA USA
| | - Rolf Müller
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS) - Helmholtz Centre for Infection Research (HZI), and Department of Pharmacy, Saarland University Campus E8.1, Saarbrücken, Germany.,German Center for Infection Research (DZIF), Braunschweig, Germany
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19
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Vasilenko DA, Dronov SE, Parfiryeu DU, Sadovnikov KS, Sedenkova KN, Grishin YK, Rybakov VB, Kuznetsova TS, Averina EB. 5-Nitroisoxazoles in S NAr reactions: access to polysubstituted isoxazole derivatives. Org Biomol Chem 2021; 19:6447-6454. [PMID: 34236067 DOI: 10.1039/d1ob00816a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
An efficient protocol for the straightforward functionalization of the isoxazole ring via the reactions of aromatic nucleophilic substitution of the nitro group with various nucleophiles has been elaborated. The method features excellent chemical yields, easy operability of the reaction, mild reaction conditions and a broad scope of both 5-nitroisoxazoles and nucleophiles. A synthetic approach to 3,5- and 3,4,5-substituted isoxazoles via the sequential functionalization of the isoxazole ring has been developed based on the excellent regioselectivity of the reaction of 3,5-dinitroisoxazoles with nucleophiles.
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Affiliation(s)
- Dmitry A Vasilenko
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - Sevastian E Dronov
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - Dzianis U Parfiryeu
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - Kirill S Sadovnikov
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - Kseniya N Sedenkova
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia and IPhaC RAS, Severnyi Proezd, 1, Chernogolovka, Moscow Region 142432, Russia.
| | - Yuri K Grishin
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - Victor B Rybakov
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - Tamara S Kuznetsova
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia
| | - Elena B Averina
- Lomonosov Moscow State University, Department of Chemistry, Leninskie Gory, 1-3, Moscow 119991, Russia and IPhaC RAS, Severnyi Proezd, 1, Chernogolovka, Moscow Region 142432, Russia.
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20
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Sahoo SK, Rani B, Gaikwad NB, Ahmad MN, Kaul G, Shukla M, Nanduri S, Dasgupta A, Chopra S, Yaddanapudi VM. Synthesis and structure-activity relationship of new chalcone linked 5-phenyl-3-isoxazolecarboxylic acid methyl esters potentially active against drug resistant Mycobacterium tuberculosis. Eur J Med Chem 2021; 222:113580. [PMID: 34116324 DOI: 10.1016/j.ejmech.2021.113580] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 05/13/2021] [Accepted: 05/24/2021] [Indexed: 01/06/2023]
Abstract
In search of novel therapeutic agents active against emerging drug-resistant Mycobacterium tuberculosis and to counter the long treatment protocol of existing drugs, herein we present synthesis and biological evaluation of a new series of 5-phenyl-3-isoxazolecarboxylic acid methyl ester-chalcone hybrids. Among 35 synthesized compounds, 32 analogues displayed potent in-vitro activity against Mycobacterium tuberculosis H37Rv with MIC 0.12-16 μg/mL. Cell viability test against Vero cells indicated 29 compounds to be non-cytotoxic (CC50 > 20 μg/mL & SI > 10). Most potent compounds with MIC 0.12 μg/mL (7 b, 7j, 7 ab) exhibited selectivity index (SI) in excess of 320. Further studies on activity against drug-resistant Mycobacterium tuberculosis revealed 7j as the most potent compound with MIC 0.03-0.5 μg/mL. Time-kill kinetic study suggested compound 7j displaying concentration-dependent bactericidal killing activity with relatively comparable potency to that of current first-line anti-TB drugs. Taken together, 7j presents a novel hit with potential to be translated into a potent antimycobacterial.
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Affiliation(s)
- Santosh Kumar Sahoo
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, Telangana, India
| | - Bandela Rani
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, Telangana, India
| | - Nikhil Baliram Gaikwad
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, Telangana, India
| | - Mohammad Naiyaz Ahmad
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, 226031, Uttar Pradesh, India; AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Grace Kaul
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, 226031, Uttar Pradesh, India; AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Manjulika Shukla
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, 226031, Uttar Pradesh, India
| | - Srinivas Nanduri
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, Telangana, India
| | - Arunava Dasgupta
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, 226031, Uttar Pradesh, India; AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Sidharth Chopra
- Division of Microbiology, CSIR-Central Drug Research Institute, Sitapur Road, Sector 10, Janakipuram Extension, Lucknow, 226031, Uttar Pradesh, India; AcSIR: Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
| | - Venkata Madhavi Yaddanapudi
- Department of Pharmaceutical Technology and Process Chemistry, National Institute of Pharmaceutical Education and Research (NIPER), Balanagar, Hyderabad, 500037, Telangana, India.
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21
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Jagadale S, Bhoye M, Nandurkar Y, Bobade VD, Mhaske PC. Synthesis, characterization and antimicrobial screening of new pyrazolyl-1,2,3-triazolyl-thiazolyl-ethanol derivatives. PHOSPHORUS SULFUR 2021. [DOI: 10.1080/10426507.2020.1860984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Shivaji Jagadale
- Post-Graduate Department of Chemistry, S. P. Mandali’s Sir Parashurambhau College (Affiliated to Savitribai Phule Pune University), Pune, India
- Department of Chemistry, S.K. Gandhi Arts, Amolak Science and P.H. Gandhi Commerce College (Affiliated to Dr. Babasaheb Ambedkar Marathwada University, Aurangabad), Beed, India
| | - Manish Bhoye
- Post-Graduate Department of Chemistry, S. P. Mandali’s Sir Parashurambhau College (Affiliated to Savitribai Phule Pune University), Pune, India
- S. N. Arts, D. J. Malpani Commerce and B. N. Sarda Science College (Affiliated to Savitribai Phule Pune University), Sangamner, India
| | - Yogesh Nandurkar
- Post-Graduate Department of Chemistry, S. P. Mandali’s Sir Parashurambhau College (Affiliated to Savitribai Phule Pune University), Pune, India
- Department of Chemistry, Nowrosjee Wadia College (Affiliated to Savitribai Phule Pune University), Pune, India
| | - Vivek D Bobade
- Post-Graduate Department of Chemistry, H. P. T. Arts and R. Y. K. Science College (Affiliated to Savitribai Phule Pune University), Nashik, India
| | - Pravin C. Mhaske
- Post-Graduate Department of Chemistry, S. P. Mandali’s Sir Parashurambhau College (Affiliated to Savitribai Phule Pune University), Pune, India
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22
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Abstract
In this review article, we describe the application, reactivity and synthesis of isoxazole derivatives,
more specifically, the application, reactivity, and synthesis of 3,5-disubstituted, 3,4-
disubstituted, and 3,4,5-trisubstituted isoxazole using the green method. We review the application of
isoxazole in material science, agriculture and pharmaceutical. In material science, isoxazole is used
as a photochromic, electrochemical probe for Cu<sup>2+</sup> and, given its optical properties, in dye-sensitized
solar cells, high energy material and liquid crystal. In agriculture, isoxazole is used as an insecticide
for managing Callosobruchus chinensis, Acaricidal activity against T. cinnabarinus, and herbicidal
activities of 2-cyanoacrylates containing isoxazole. In pharmaceutical, isoxazole shows anticancer,
antituberculosis, anti-inflammatory, and acetylcholinesterase inhibitors. Further, we describe various
reactions of isoxazole such as ring opens, bromination and iodination, thioynol ethers, intramolecular
SEAr reaction, arylation, cycloaddition and photocycloaddition, photoisomerization, Domino transformation
of isoxazoles to 2,4-dicarbonyl pyrroles and rearrangement. We also describe the synthesis
of 3,5-disubstituted, 3,4-disubstituted and 3,4,5-trisubstituted isoxazole using different methods.
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Affiliation(s)
- Yogesh Walunj
- Department of Chemistry, Sir Parshurambhau College, Tilak Road, Pune, India
| | - Pravin Mhaske
- Department of Chemistry, Sir Parshurambhau College, Tilak Road, Pune, India
| | - Pramod Kulkarni
- Post Graduate Center in Organic Chemistry and Department of Chemistry, Hutatma Rajguru Mahavidyalaya, Rajgurunagar, Pune-410505, India
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23
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Magalhães J, Franko N, Raboni S, Annunziato G, Tammela P, Bruno A, Bettati S, Armao S, Spadini C, Cabassi CS, Mozzarelli A, Pieroni M, Campanini B, Costantino G. Discovery of Substituted (2-Aminooxazol-4-yl)Isoxazole-3-carboxylic Acids as Inhibitors of Bacterial Serine Acetyltransferase in the Quest for Novel Potential Antibacterial Adjuvants. Pharmaceuticals (Basel) 2021; 14:ph14020174. [PMID: 33672408 PMCID: PMC7931047 DOI: 10.3390/ph14020174] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/15/2021] [Accepted: 02/19/2021] [Indexed: 02/07/2023] Open
Abstract
Many bacteria and actinomycetales use L-cysteine biosynthesis to increase their tolerance to antibacterial treatment and establish a long-lasting infection. In turn, this might lead to the onset of antimicrobial resistance that currently represents one of the most menacing threats to public health worldwide. The biosynthetic machinery required to synthesise L-cysteine is absent in mammals; therefore, its exploitation as a drug target is particularly promising. In this article, we report a series of inhibitors of Salmonella thyphimurium serine acetyltransferase (SAT), the enzyme that catalyzes the rate-limiting step of L-cysteine biosynthesis. The development of such inhibitors started with the virtual screening of an in-house library of compounds that led to the selection of seven structurally unrelated hit derivatives. A set of molecules structurally related to hit compound 5, coming either from the original library or from medicinal chemistry efforts, were tested to determine a preliminary structure–activity relationship and, especially, to improve the inhibitory potency of the derivatives, that was indeed ameliorated by several folds compared to hit compound 5 Despite these progresses, at this stage, the most promising compound failed to interfere with bacterial growth when tested on a Gram-negative model organism, anticipating the need for further research efforts.
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Affiliation(s)
- Joana Magalhães
- P4T Group, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (J.M.); (G.A.); (A.B.); (G.C.)
| | - Nina Franko
- Laboratory of Biochemistry and Molecular Biology, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (N.F.); (S.R.); (S.A.); (A.M.); (B.C.)
| | - Samanta Raboni
- Laboratory of Biochemistry and Molecular Biology, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (N.F.); (S.R.); (S.A.); (A.M.); (B.C.)
- Institute of Biophysics, CNR, 56124 Pisa, Italy;
| | - Giannamaria Annunziato
- P4T Group, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (J.M.); (G.A.); (A.B.); (G.C.)
- Centro Interdipartimentale Misure (CIM) ‘G. Casnati’, University of Parma, 43124 Parma, Italy
| | - Päivi Tammela
- Drug Research Program, Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P.O. Box 56 (Viikinkaari 5 E), FI-00014 Helsinki, Finland;
| | - Agostino Bruno
- P4T Group, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (J.M.); (G.A.); (A.B.); (G.C.)
| | - Stefano Bettati
- Institute of Biophysics, CNR, 56124 Pisa, Italy;
- Department of Medicine and Surgery, University of Parma, Via Volturno, 39, 43125 Parma, Italy
- National Institute of Biostructures and Biosystems, 00136 Rome, Italy
| | - Stefano Armao
- Laboratory of Biochemistry and Molecular Biology, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (N.F.); (S.R.); (S.A.); (A.M.); (B.C.)
| | - Costanza Spadini
- Operative Unit of Animals Infectious Diseases, Department of Veterinary Science, University of Parma, Via del Taglio 10, 43126 Parma, Italy; (C.S.); (C.S.C.)
| | - Clotilde Silvia Cabassi
- Operative Unit of Animals Infectious Diseases, Department of Veterinary Science, University of Parma, Via del Taglio 10, 43126 Parma, Italy; (C.S.); (C.S.C.)
| | - Andrea Mozzarelli
- Laboratory of Biochemistry and Molecular Biology, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (N.F.); (S.R.); (S.A.); (A.M.); (B.C.)
- Institute of Biophysics, CNR, 56124 Pisa, Italy;
- National Institute of Biostructures and Biosystems, 00136 Rome, Italy
| | - Marco Pieroni
- P4T Group, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (J.M.); (G.A.); (A.B.); (G.C.)
- Centro Interdipartimentale Misure (CIM) ‘G. Casnati’, University of Parma, 43124 Parma, Italy
- Correspondence: ; Tel.: +39-0521-905054
| | - Barbara Campanini
- Laboratory of Biochemistry and Molecular Biology, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (N.F.); (S.R.); (S.A.); (A.M.); (B.C.)
| | - Gabriele Costantino
- P4T Group, Department of Food and Drug, University of Parma, 43124 Parma, Italy; (J.M.); (G.A.); (A.B.); (G.C.)
- Centro Interdipartimentale Misure (CIM) ‘G. Casnati’, University of Parma, 43124 Parma, Italy
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24
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Mori M, Stelitano G, Chiarelli LR, Cazzaniga G, Gelain A, Barlocco D, Pini E, Meneghetti F, Villa S. Synthesis, Characterization, and Biological Evaluation of New Derivatives Targeting MbtI as Antitubercular Agents. Pharmaceuticals (Basel) 2021; 14:155. [PMID: 33668554 PMCID: PMC7918538 DOI: 10.3390/ph14020155] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/05/2021] [Accepted: 02/09/2021] [Indexed: 01/09/2023] Open
Abstract
Tuberculosis (TB) causes millions of deaths every year, ranking as one of the most dangerous infectious diseases worldwide. Because several pathogenic strains of Mycobacterium tuberculosis (Mtb) have developed resistance against most of the established anti-TB drugs, new therapeutic options are urgently needed. An attractive target for the development of new antitubercular agents is the salicylate synthase MbtI, an essential enzyme for the mycobacterial siderophore biochemical machinery, absent in human cells. A set of analogues of I and II, two of the most potent MbtI inhibitors identified to date, was synthesized, characterized, and tested to elucidate the structural requirements for achieving an efficient MbtI inhibition and a potent antitubercular activity with this class of compounds. The structure-activity relationships (SAR) here discussed evidenced the importance of the furan as part of the pharmacophore and led to the preparation of six new compounds (IV-IX), which gave us the opportunity to examine a hitherto unexplored position of the phenyl ring. Among them emerged 5-(3-cyano-5-(trifluoromethyl)phenyl)furan-2-carboxylic acid (IV), endowed with comparable inhibitory properties to the previous leads, but a better antitubercular activity, which is a key issue in MbtI inhibitor research. Therefore, compound IV offers promising prospects for future studies on the development of novel agents against mycobacterial infections.
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Affiliation(s)
- Matteo Mori
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy; (M.M.); (G.C.); (A.G.); (D.B.); (E.P.); (S.V.)
| | - Giovanni Stelitano
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, via A. Ferrata 9, 27100 Pavia, Italy; (G.S.); (L.R.C.)
| | - Laurent R. Chiarelli
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, via A. Ferrata 9, 27100 Pavia, Italy; (G.S.); (L.R.C.)
| | - Giulia Cazzaniga
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy; (M.M.); (G.C.); (A.G.); (D.B.); (E.P.); (S.V.)
| | - Arianna Gelain
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy; (M.M.); (G.C.); (A.G.); (D.B.); (E.P.); (S.V.)
| | - Daniela Barlocco
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy; (M.M.); (G.C.); (A.G.); (D.B.); (E.P.); (S.V.)
| | - Elena Pini
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy; (M.M.); (G.C.); (A.G.); (D.B.); (E.P.); (S.V.)
| | - Fiorella Meneghetti
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy; (M.M.); (G.C.); (A.G.); (D.B.); (E.P.); (S.V.)
| | - Stefania Villa
- Department of Pharmaceutical Sciences, University of Milan, Via L. Mangiagalli 25, 20133 Milano, Italy; (M.M.); (G.C.); (A.G.); (D.B.); (E.P.); (S.V.)
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25
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Zhao G, Tian X, Wang J, Cheng M, Zhang T, Wang Z. The structure-based virtual screening of non-benzofuran inhibitors against M. tuberculosis Pks13-TE for anti-tuberculosis phenotypic discovery. NEW J CHEM 2021. [DOI: 10.1039/d0nj03828h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Structure-based virtual screening against M. tuberculosis Pks13-TE was performed for anti-tuberculosis phenotypic discovery.
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Affiliation(s)
- Guode Zhao
- Key Laboratory of Structure-Based Drug Design & Discovery
- Ministry of Education
- Shenyang Pharmaceutical University
- Shenyang 110016
- P. R. China
| | - Xirong Tian
- State Key Laboratory of Respiratory Disease
- Guangzhou Institutes of Biomedicine and Health
- Chinese Academy of Sciences
- Guangzhou 510530
- China
| | - Jian Wang
- Key Laboratory of Structure-Based Drug Design & Discovery
- Ministry of Education
- Shenyang Pharmaceutical University
- Shenyang 110016
- P. R. China
| | - Maosheng Cheng
- Key Laboratory of Structure-Based Drug Design & Discovery
- Ministry of Education
- Shenyang Pharmaceutical University
- Shenyang 110016
- P. R. China
| | - Tianyu Zhang
- State Key Laboratory of Respiratory Disease
- Guangzhou Institutes of Biomedicine and Health
- Chinese Academy of Sciences
- Guangzhou 510530
- China
| | - Zihou Wang
- Center for Drug Evaluation
- National Medical Products Administration
- Beijing 100022
- China
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26
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Jagadale SM, Abhale YK, Pawar HR, Shinde A, Bobade VD, Chavan AP, Sarkar D, Mhaske PC. Synthesis of New Thiazole and Pyrazole Clubbed 1,2,3-Triazol Derivatives as Potential Antimycobacterial and Antibacterial Agents. Polycycl Aromat Compd 2020. [DOI: 10.1080/10406638.2020.1857272] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Shivaji M. Jagadale
- Post-Graduate Department of Chemistry, S. P. Mandali’s Sir Parashurambhau College, Tilak Road, Pune, India (Affiliated to Savitribai Phule Pune University)
- Department of Chemistry, S.K. Gandhi Arts, Amolak Science and P.H. Gandhi Commerce College Kada, Tal. Ashti, District Beed, India(Affiliated to Dr. Babasaheb Ambedkar Marathwada University, Aurangabad)
| | - Yogita K. Abhale
- Department of Chemistry, Government College, Daman, India (Affiliated to Veer Narmad Gujarat University, Surat)
| | - Hari R. Pawar
- Department of Chemistry, Government College, Daman, India (Affiliated to Veer Narmad Gujarat University, Surat)
| | - Abhijit Shinde
- Department of Chemistry, Abasaheb Garware College, Pune, India (Affiliated to Savitribai Phule Pune University)
| | - Vivek D. Bobade
- Post-Graduate Department of Chemistry, H. P. T. Arts and R. Y. K. Science College, Nashik, India (Affiliated to Savitribai Phule Pune University)
| | - Abhijit P. Chavan
- Post-Graduate Department of Chemistry, S. P. Mandali’s Sir Parashurambhau College, Tilak Road, Pune, India (Affiliated to Savitribai Phule Pune University)
| | - Dhiman Sarkar
- CombiChemBio Resource Centre, CSIR-National Chemical Laboratory, Pune, India
| | - Pravin C. Mhaske
- Post-Graduate Department of Chemistry, S. P. Mandali’s Sir Parashurambhau College, Tilak Road, Pune, India (Affiliated to Savitribai Phule Pune University)
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27
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Azzali E, Girardini M, Annunziato G, Pavone M, Vacondio F, Mori G, Pasca MR, Costantino G, Pieroni M. 2-Aminooxazole as a Novel Privileged Scaffold in Antitubercular Medicinal Chemistry. ACS Med Chem Lett 2020; 11:1435-1441. [PMID: 32676151 DOI: 10.1021/acsmedchemlett.0c00173] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/08/2020] [Indexed: 12/15/2022] Open
Abstract
To obtain effective eradication of numerous infectious diseases such as tuberculosis, it is important to supply the medicinal chemistry arsenal with novel chemical agents. Isosterism and bioisosterism are widely known concepts in the field of early drug discovery, and in several cases, rational isosteric replacements have contributed to improved efficacy and physicochemical characteristics throughout the hit-to-lead optimization process. However, sometimes the synthesis of isosteres might not be as straightforward as that of the parent compounds, and therefore, novel synthetic strategies must be elaborated. In this regard, we herein report the evaluation of a series of N-substituted 4-phenyl-2-aminooxazoles that, despite being isosteres of a widely used nucleus such as the 2-aminothiazole, have been only seldom explored. After elaboration of a convenient synthetic strategy, a small set of 2-aminothiazoles and their 2-aminooxazole counterparts were compared with regard to antitubercular activity and physicochemical characteristics.
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Affiliation(s)
| | | | | | | | - Federica Vacondio
- Centro Interdipartimentale “Biopharmanet-tec”, University of Parma, 43124 Parma, Italy
| | - Giorgia Mori
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, 27100 Pavia, Italy
| | - Maria Rosalia Pasca
- Department of Biology and Biotechnology “Lazzaro Spallanzani”, University of Pavia, 27100 Pavia, Italy
| | - Gabriele Costantino
- Centro Interdipartimentale “Biopharmanet-tec”, University of Parma, 43124 Parma, Italy
- Centro Interdipartimentale Misure (CIM) “G. Casnati”, University of Parma, 43124 Parma, Italy
| | - Marco Pieroni
- Centro Interdipartimentale “Biopharmanet-tec”, University of Parma, 43124 Parma, Italy
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28
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Radhika T, Vijay A, Harinadha BV, Madhavareddy B. Design, Synthesis, Molecular Docking Studies, and Biological Evaluation of Pyrazoline Incorporated Isoxazole Derivatives. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2020. [DOI: 10.1134/s1068162020030152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Makarov V, Salina E, Reynolds RC, Kyaw Zin PP, Ekins S. Molecule Property Analyses of Active Compounds for Mycobacterium tuberculosis. J Med Chem 2020; 63:8917-8955. [PMID: 32259446 DOI: 10.1021/acs.jmedchem.9b02075] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Tuberculosis (TB) continues to claim the lives of around 1.7 million people per year. Most concerning are the reports of multidrug drug resistance. Paradoxically, this global health pandemic is demanding new therapies when resources and interest are waning. However, continued tuberculosis drug discovery is critical to address the global health need and burgeoning multidrug resistance. Many diverse classes of antitubercular compounds have been identified with activity in vitro and in vivo. Our analyses of over 100 active leads are representative of thousands of active compounds generated over the past decade, suggests that they come from few chemical classes or natural product sources. We are therefore repeatedly identifying compounds that are similar to those that preceded them. Our molecule-centered cheminformatics analyses point to the need to dramatically increase the diversity of chemical libraries tested and get outside of the historic Mtb property space if we are to generate novel improved antitubercular leads.
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Affiliation(s)
- Vadim Makarov
- FRC Fundamentals of Biotechnology, Russian Academy of Science, Moscow 119071, Russia
| | - Elena Salina
- FRC Fundamentals of Biotechnology, Russian Academy of Science, Moscow 119071, Russia
| | - Robert C Reynolds
- Department of Medicine, Division of Hematology and Oncology, University of Alabama at Birmingham, NP 2540 J, 1720 Second Avenue South, Birmingham, Alabama 35294-3300, United States
| | - Phyo Phyo Kyaw Zin
- Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695, United States.,Bioinformatics Research Center, North Carolina State University, Raleigh, North Carolina 27695, United States
| | - Sean Ekins
- Collaborations Pharmaceuticals, Inc., 840 Main Campus Drive, Lab 3510 Raleigh, North Carolina 27606, United States
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30
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Shaik A, Bhandare RR, Palleapati K, Nissankararao S, Kancharlapalli V, Shaik S. Antimicrobial, Antioxidant, and Anticancer Activities of Some Novel Isoxazole Ring Containing Chalcone and Dihydropyrazole Derivatives. Molecules 2020; 25:molecules25051047. [PMID: 32110945 PMCID: PMC7179112 DOI: 10.3390/molecules25051047] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Revised: 02/17/2020] [Accepted: 02/23/2020] [Indexed: 12/19/2022] Open
Abstract
Our previous work identified isoxazole-based chalcones and their dihydropyrazole derivatives as two important five-membered heterocycles having antitubercular activity. Hence, in the present study, we biologically evaluated 30 compounds, including 15 isoxazole ring-containing chalcones (17-31) and 15 dihydropyrazoles (32-46) derived from these chalcones for their antimicrobial, antioxidant, and anticancer activities. Chalcones exhibited superior antibacterial and antioxidant activities compared to dihydropyrazoles. Among the chalcones, compound 28 showed potent antibacterial (MIC = 1 µg/mL) and antioxidant activities (IC50 = 5 ± 1 µg/mL). Dihydropyrazoles, on the contrary, demonstrated remarkable antifungal and anticancer activities. Compound 46 (IC50 = 2 ± 1 µg/mL) showed excellent antifungal activity whereas two other dihydropyrazoles 45 (IC50 = 2 ± 1 µg/mL) and 39 (IC50 = 4 ± 1 µg/mL) exhibited potential anticancer activity. The compounds were also tested for their toxicity on normal human cell lines (LO2) and were found to be nontoxic. The active compounds that have emerged out of this study are potential lead molecules for the development of novel drugs against infectious diseases, oxidative stress, and cancer.
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Affiliation(s)
- Afzal Shaik
- Department of Pharmaceutical Chemistry Vignan Pharmacy College, Jawaharlal Nehru Technological University, Vadlamudi-522213, Andhra Pradesh, India
- Correspondence: (A.S.); (R.R.B.); Tel.: +91-9966-014-374 (A.S.); +971-565646655 (R.R.B.)
| | - Richie R. Bhandare
- Department of Pharmaceutical Sciences, College of Pharmacy & Health Sciences, Ajman University, Ajman PO Box 346, UAE
- Correspondence: (A.S.); (R.R.B.); Tel.: +91-9966-014-374 (A.S.); +971-565646655 (R.R.B.)
| | - Kishor Palleapati
- Department of Pharmacognosy and Pharmaceutical Chemistry ASN Pharmacy College, Acharya Nagarjuna University, Tenali-522201, Andhra Pradesh, India; (K.P.); (V.K.)
| | | | - Venkata Kancharlapalli
- Department of Pharmacognosy and Pharmaceutical Chemistry ASN Pharmacy College, Acharya Nagarjuna University, Tenali-522201, Andhra Pradesh, India; (K.P.); (V.K.)
| | - Shahanaaz Shaik
- Department of Pharmaceutical Chemistry Victoria College of Pharmacy, Acharya Nagarjuna University, Nallapadu-522001, Guntur District, Andhra Pradesh, India;
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31
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New potential drug leads against MDR-MTB: A short review. Bioorg Chem 2019; 95:103534. [PMID: 31884135 DOI: 10.1016/j.bioorg.2019.103534] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 11/26/2019] [Accepted: 12/20/2019] [Indexed: 12/25/2022]
Abstract
Multidrug resistant Mycobacterium tuberculosis (MDR-MTB) infections have created a critical health problem globally. The appalling rise in drug resistance to all the current therapeutics has triggered the need for identifying new antimycobacterial agents effective against multidrug-resistant Mycobacterium tuberculosis. Structurally unique chemical entities with new mode of action will be required to combat this pressing issue. This review gives an overview of the structures and outlines on various aspects of in vitro pharmacological activities of new antimycobacterial agents, mechanism of action and brief structure activity relationships in the perspective of drug discovery and development. This review also summarizes on recent reports of new antimycobacterial agents.
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32
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Wang XD, Zhu LH, Liu P, Wang XY, Yuan HY, Zhao YL. Copper-Catalyzed Cascade Cyclization Reactions of Diazo Compounds with tert-Butyl Nitrite and Alkynes: One-Pot Synthesis of Isoxazoles. J Org Chem 2019; 84:16214-16221. [PMID: 31779304 DOI: 10.1021/acs.joc.9b02760] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel copper-catalyzed [3 + 2] cycloaddition reaction of alkynes with nitrile oxides generated in situ from the coupling reaction of copper carbene and nitroso radical has been developed. The three-component reaction provides a simple and efficient method for the construction of isoxazoles in a highly regioselective manner in a single step. On the basis of the experimental results and density functional theory calculations, a catalytic cycle (CuI-CuII-Cu0-CuI) for this cascade cyclization reaction is proposed.
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Affiliation(s)
- Xue-Di Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , China
| | - Li-Han Zhu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , China
| | - Pei Liu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , China
| | - Xin-Yu Wang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , China
| | - Hai-Yan Yuan
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , China
| | - Yu-Long Zhao
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry , Northeast Normal University , Changchun 130024 , China
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33
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Nalawade J, Shinde A, Chavan A, Patil S, Suryavanshi M, Modak M, Choudhari P, Bobade VD, Mhaske PC. Synthesis of new thiazolyl-pyrazolyl-1,2,3-triazole derivatives as potential antimicrobial agents. Eur J Med Chem 2019; 179:649-659. [DOI: 10.1016/j.ejmech.2019.06.074] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2019] [Revised: 06/26/2019] [Accepted: 06/26/2019] [Indexed: 01/08/2023]
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34
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Sayed AR, Gomha SM, Abdelrazek FM, Farghaly MS, Hassan SA, Metz P. Design, efficient synthesis and molecular docking of some novel thiazolyl-pyrazole derivatives as anticancer agents. BMC Chem 2019; 13:116. [PMID: 31572983 PMCID: PMC6760062 DOI: 10.1186/s13065-019-0632-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 09/10/2019] [Indexed: 11/29/2022] Open
Abstract
Pyrazoles, thiazoles and fused thiazoles have been reported to possess many biological activities. 3-Methyl-5-oxo-4-(2-arylhydrazono)-4,5-dihydro-1H-pyrazole-1-carbothioamides 3a,b (obtained from the reaction of ethyl 3-oxo-2-(2-arylhydrazono)butanoates 1a,b with thiosemicarbazide) could be transformed into a variety of thiazolyl-pyrazole derivatives 6a–h, 10a–c, 15a–c, 17, 19 and 21 via their reaction with a diversity hydrazonoyl chlorides as well as bromoacetyl derivatives. Moreover, the computational studies were carried out for all new compounds. The results indicated that five compounds showed promising binding affinities (10a: − 3.4 kcal/mol, 6d: − 3.0 kcal/mol, 15a: − 2.2 kcal/mol, 3a: − 1.6 kcal/mol, and 21: − 1.3 kcal/mol) against the active site of the epidermal growth factor receptor kinase (EGFR). The cytotoxicity of the potent products 3a, 6d, 10a, 15a, and 21 was examined against human liver carcinoma cell line (HepG-2) and revealed activities close to Doxorubicin standard drug. There was an understanding between the benefits of restricting affinities and the data obtained from the practical anticancer screening of the tested compounds.![]()
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Affiliation(s)
- Abdelwahed R Sayed
- 1Department of Chemistry, Faculty of Science, King Faisal University, Hofuf, Saudi Arabia.,3Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Sobhi M Gomha
- 2Chemistry Department, Faculty of Science, Cairo University, Giza, 12613 Egypt.,Department of Chemistry, Faculty of Science, Islamic University in Almadinah Almonawara, Almadinah Almonawara, 42351 Saudi Arabia
| | - Fathy M Abdelrazek
- 2Chemistry Department, Faculty of Science, Cairo University, Giza, 12613 Egypt.,Science and Technology Center of Excellence, Ministry of Military Production, Cairo, Egypt
| | - Mohamed S Farghaly
- 2Chemistry Department, Faculty of Science, Cairo University, Giza, 12613 Egypt.,Science and Technology Center of Excellence, Ministry of Military Production, Cairo, Egypt
| | - Shaimaa A Hassan
- 2Chemistry Department, Faculty of Science, Cairo University, Giza, 12613 Egypt
| | - Peter Metz
- 6Fakultat Chemie und Lebensmittelchemie, TU-Dresden, 01069 Dresden, Germany
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35
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Ivanenkov YA, Yamidanov RS, Osterman IA, Sergiev PV, Aladinskiy VA, Aladinskaya AV, Terentiev VA, Veselov MS, Ayginin AA, Skvortsov DA, Komarova KS, Chemeris AV, Baimiev AK, Sofronova AA, Malyshev AS, Machulkin AE, Petrov RA, Bezrukov DS, Filkov GI, Puchinina MM, Zainullina LF, Maximova MA, Zileeva ZR, Vakhitova YV, Dontsova OA. Identification of N-Substituted Triazolo-azetidines as Novel Antibacterials using pDualrep2 HTS Platform. Comb Chem High Throughput Screen 2019; 22:346-354. [DOI: 10.2174/1386207322666190412165316] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/19/2019] [Accepted: 03/22/2019] [Indexed: 12/17/2022]
Abstract
Aim and Objective:
Antibiotic resistance is a serious constraint to the development of new
effective antibacterials. Therefore, the discovery of the new antibacterials remains one of the main
challenges in modern medicinal chemistry. This study was undertaken to identify novel molecules with
antibacterial activity.
Materials and Methods:
Using our unique double-reporter system, in-house large-scale HTS campaign
was conducted for the identification of antibacterial potency of small-molecule compounds. The
construction allows us to visually assess the underlying mechanism of action. After the initial HTS and
rescreen procedure, luciferase assay, C14-test, determination of MIC value and PrestoBlue test were
carried out.
Results:
HTS rounds and rescreen campaign have revealed the antibacterial activity of a series of Nsubstituted
triazolo-azetidines and their isosteric derivatives that has not been reported previously. Primary
hit-molecule demonstrated a MIC value of 12.5 µg/mL against E. coli Δ tolC with signs of translation
blockage and no SOS-response. Translation inhibition (26%, luciferase assay) was achieved at high
concentrations up to 160 µg/mL, while no activity was found using C14-test. The compound did not
demonstrate cytotoxicity in the PrestoBlue assay against a panel of eukaryotic cells. Within a series of
direct structural analogues bearing the same or bioisosteric scaffold, compound 2 was found to have an
improved antibacterial potency (MIC=6.25 µg/mL) close to Erythromycin (MIC=2.5-5 µg/mL) against the
same strain. In contrast to the parent hit, this compound was more active and selective, and provided a
robust IP position.
Conclusion:
N-substituted triazolo-azetidine scaffold may be used as a versatile starting point for the
development of novel active and selective antibacterial compounds.
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Affiliation(s)
- Yan A. Ivanenkov
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Renat S. Yamidanov
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Ilya A. Osterman
- Skolkovo Institute of Science and Technology, Skolkovo, Russian Federation
| | - Petr V. Sergiev
- Skolkovo Institute of Science and Technology, Skolkovo, Russian Federation
| | | | | | - Victor A. Terentiev
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Mark S. Veselov
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Andrey A. Ayginin
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Dmitry A. Skvortsov
- Lomonosov Moscow State University, Department of Chemistry and A.N. Belozersky Institute of Physico-Chemical Biology, Moscow, Russian Federation
| | - Katerina S. Komarova
- Lomonosov Moscow State University, Department of Chemistry and A.N. Belozersky Institute of Physico-Chemical Biology, Moscow, Russian Federation
| | - Alexey V. Chemeris
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Alexey Kh. Baimiev
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Alina A. Sofronova
- Lomonosov Moscow State University, Faculty of Bioengineering and Bioinformatics, Moscow, Russian Federation
| | | | - Alexey E. Machulkin
- Lomonosov Moscow State University, Chemistry Dept, Leninskie gory, Building 1/3, GSP-1, Moscow, 119991, Russian Federation
| | - Rostislav A. Petrov
- Lomonosov Moscow State University, Chemistry Dept, Leninskie gory, Building 1/3, GSP-1, Moscow, 119991, Russian Federation
| | - Dmitry S. Bezrukov
- Lomonosov Moscow State University, Chemistry Dept, Leninskie gory, Building 1/3, GSP-1, Moscow, 119991, Russian Federation
| | - Gleb I. Filkov
- Moscow Institute of Physics and Technology (State University), 9 Institutskiy lane, Dolgoprudny City, Moscow Region, 141700, Russian Federation
| | - Maria M. Puchinina
- Moscow Institute of Physics and Technology (State University), 9 Institutskiy lane, Dolgoprudny City, Moscow Region, 141700, Russian Federation
| | - Liana F. Zainullina
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Marina A. Maximova
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Zulfiya R. Zileeva
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Yulia V. Vakhitova
- Institute of Biochemistry and Genetics Russian Academy of Science (IBG RAS) Ufa Scientific Centre, Oktyabrya Prospekt 71, 450054, Ufa, Russian Federation
| | - Olga A. Dontsova
- Lomonosov Moscow State University, Chemistry Dept, Leninskie gory, Building 1/3, GSP-1, Moscow, 119991, Russian Federation
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36
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2-Pyrazol-1-yl-thiazole derivatives as novel highly potent antibacterials. J Antibiot (Tokyo) 2019; 72:827-833. [DOI: 10.1038/s41429-019-0211-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 04/23/2019] [Accepted: 06/16/2019] [Indexed: 02/06/2023]
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37
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Wu W, Li C, Zhou F, Li J, Xu X, Jiang H. Synthesis of
β
‐Isoxazole Carbonyl Derivatives and their Analogues
via
Palladium‐Catalyzed Sequential C(
sp
2
)−O/C(
sp
2
)−C(
sp
3
) Bond Formations. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900391] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Wanqing Wu
- State Key Laboratory of Luminescent Materials and DevicesSouth China University of Technology Guangzhou 510640 People's Republic of China
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
| | - Can Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
| | - Fei Zhou
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
| | - Jianxiao Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
| | - Xiaoqing Xu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
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38
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Singh P, Dalal A, Babu SA. Palladium(II)‐Catalyzed Sp
3
/Sp
2
γ
‐ and
δ
‐C‐H Functionalization of Aryl Amines using 5‐Methylisoxazole‐3‐Carboxamide as Directing Group. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900132] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Prabhakar Singh
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Arup Dalal
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
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39
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Shinde V, Mahulikar P, Mhaske PC, Chakraborty S, Choudhari A, Phalle S, Choudhari P, Sarkar D. Synthesis and antimycobacterial evaluation of new 5-(1-benzyl-1H-1,2,3-triazol-4-yl)-4-methyl-2-arylthiazole derivatives. Med Chem Res 2019. [DOI: 10.1007/s00044-019-02310-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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40
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Thiazolyl-pyrazole derivatives as potential antimycobacterial agents. Bioorg Med Chem Lett 2019; 29:1199-1202. [PMID: 30910461 DOI: 10.1016/j.bmcl.2019.03.020] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/17/2019] [Accepted: 03/18/2019] [Indexed: 12/13/2022]
Abstract
Mycobacterium tuberculosis (Mtb) is an obligate aerobe that is capable of long-term persistence under conditions of low oxygen tension. A series of thiazolyl-pyrazole derivatives (6a-f, 7a-f, 8c, 8e) were screened for antimycobacterial activity against dormant M. tuberculosis H37Ra (D-MTB) and M. bovis BCG (D-BCG). Nine thiazolyl-pyrazole analogs, 6c, 6e, 7a, 7b, 7c, 7e, 7f, 8c and 8e exhibited promissing minimum inhibitory concentration (MIC) values (0.20-28.25 µg/mL) against D-MTB and D-BCG strains of Mtb. Importantly, six compounds (7a, 7b, 7e, 7f, 8c and 8e) exhibited excellent antimycobacterial activity and low cytotoxicity at the maximum evaluated concentration of >250 µg/mL. Finally, the promising antimycobacterial activity and lower cytotoxicity profile suggested that, these compounds could be further subjected for optimization and development as a lead, which could have the potential to treat tuberculosis.
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41
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Veale CGL. Unpacking the Pathogen Box-An Open Source Tool for Fighting Neglected Tropical Disease. ChemMedChem 2019; 14:386-453. [PMID: 30614200 DOI: 10.1002/cmdc.201800755] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Indexed: 12/13/2022]
Abstract
The Pathogen Box is a 400-strong collection of drug-like compounds, selected for their potential against several of the world's most important neglected tropical diseases, including trypanosomiasis, leishmaniasis, cryptosporidiosis, toxoplasmosis, filariasis, schistosomiasis, dengue virus and trichuriasis, in addition to malaria and tuberculosis. This library represents an ensemble of numerous successful drug discovery programmes from around the globe, aimed at providing a powerful resource to stimulate open source drug discovery for diseases threatening the most vulnerable communities in the world. This review seeks to provide an in-depth analysis of the literature pertaining to the compounds in the Pathogen Box, including structure-activity relationship highlights, mechanisms of action, related compounds with reported activity against different diseases, and, where appropriate, discussion on the known and putative targets of compounds, thereby providing context and increasing the accessibility of the Pathogen Box to the drug discovery community.
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Affiliation(s)
- Clinton G L Veale
- School of Chemistry and Physics, Pietermaritzburg Campus, University of KwaZulu-Natal, Private Bag X01, Scottsville, 3209, South Africa
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42
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Huo J, Zou W, Zhang Y, Chen W, Hu X, Deng Q, Chen D. Retracted Article: Facile preparation of bithiazole-based material for inkjet printed light-emitting electrochemical cell. RSC Adv 2019; 9:6163-6168. [PMID: 35517266 PMCID: PMC9060932 DOI: 10.1039/c9ra00093c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Revised: 06/18/2019] [Accepted: 02/05/2019] [Indexed: 12/16/2022] Open
Abstract
Light-emitting electrochemical cell of bithiazole-based material was fabricated by solution processing rendered high external quantum efficiency over 12.8% and luminance of 1.8 104 cd m−2. Light-emitting electrochemical cell of bithiazole-based material was fabricated by solution processing rendered high external quantum efficiency over 12.8% and luminance of 1.8 104 cd m−2.![]()
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Affiliation(s)
- Jingpei Huo
- Electrochemical Corrosion Institute
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- People’s Republic of China
| | - Wanying Zou
- Electrochemical Corrosion Institute
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- People’s Republic of China
| | - Yubang Zhang
- Electrochemical Corrosion Institute
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- People’s Republic of China
| | - Weilan Chen
- Electrochemical Corrosion Institute
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- People’s Republic of China
| | - Xiaohong Hu
- Electrochemical Corrosion Institute
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- People’s Republic of China
| | - Qianjun Deng
- Electrochemical Corrosion Institute
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- People’s Republic of China
| | - Dongchu Chen
- Electrochemical Corrosion Institute
- College of Materials Science and Energy Engineering
- Foshan University
- Foshan
- People’s Republic of China
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43
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Dontsu YS, Pashkovskii FS, Rubinov DB, Lakhvich FA. Synthesis of 2-[3-Aryl-3-(5-phenylisoxazol-3-yl)propyl] Derivatives of 5,5-Dimethylcyclohexane- and Cyclopenthane-1,3-diones Proceeding from 2-(4-Nitro-3-arylbutyl) Precursors. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2018. [DOI: 10.1134/s1070428018080195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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44
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Machado D, Girardini M, Viveiros M, Pieroni M. Challenging the Drug-Likeness Dogma for New Drug Discovery in Tuberculosis. Front Microbiol 2018; 9:1367. [PMID: 30018597 PMCID: PMC6037898 DOI: 10.3389/fmicb.2018.01367] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Accepted: 06/06/2018] [Indexed: 01/28/2023] Open
Abstract
The emergence of multi- and extensively drug resistant tuberculosis worldwide poses a great threat to human health and highlight the need to discover and develop new, effective and inexpensive antituberculosis agents. High-throughput screening assays against well-validated drug targets and structure based drug design have been employed to discover new lead compounds. However, the great majority fail to demonstrate any antimycobacterial activity when tested against Mycobacterium tuberculosis in whole-cell screening assays. This is mainly due to some of the intrinsic properties of the bacilli, such as the extremely low permeability of its cell wall, slow growth, drug resistance, drug tolerance, and persistence. In this sense, understanding the pathways involved in M. tuberculosis drug tolerance, persistence, and pathogenesis, may reveal new approaches for drug development. Moreover, the need for compounds presenting a novel mode of action is of utmost importance due to the emergence of resistance not only to the currently used antituberculosis agents, but also to those in the pipeline. Cheminformatics studies have shown that drugs endowed with antituberculosis activity have the peculiarity of being more lipophilic than many other antibacterials, likely because this leads to improved cell penetration through the extremely waxy mycobacterial cell wall. Moreover, the interaction of the lipophilic moiety with the membrane alters its stability and functional integrity due to the disruption of the proton motive force, resulting in cell death. When a ligand-based medicinal chemistry campaign is ongoing, it is always difficult to predict whether a chemical modification or a functional group would be suitable for improving the activity. Nevertheless, in the “instruction manual” of medicinal chemists, certain functional groups or certain physicochemical characteristics (i.e., high lipophilicity) are considered red flags to look out for in order to safeguard drug-likeness and avoid attritions in the drug discovery process. In this review, we describe how antituberculosis compounds challenge established rules such as the Lipinski's “rule of five” and how medicinal chemistry for antituberculosis compounds must be thought beyond such dogmatic schemes.
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Affiliation(s)
- Diana Machado
- Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa, UNL, Lisbon, Portugal
| | - Miriam Girardini
- P4T Group, Department of Food and Drug, University of Parma, Parma, Italy
| | - Miguel Viveiros
- Global Health and Tropical Medicine, GHTM, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa, UNL, Lisbon, Portugal
| | - Marco Pieroni
- P4T Group, Department of Food and Drug, University of Parma, Parma, Italy
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45
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Zhu J, Mo J, Lin HZ, Chen Y, Sun HP. The recent progress of isoxazole in medicinal chemistry. Bioorg Med Chem 2018; 26:3065-3075. [DOI: 10.1016/j.bmc.2018.05.013] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/06/2018] [Accepted: 05/10/2018] [Indexed: 11/15/2022]
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46
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Fan YL, Jin XH, Huang ZP, Yu HF, Zeng ZG, Gao T, Feng LS. Recent advances of imidazole-containing derivatives as anti-tubercular agents. Eur J Med Chem 2018; 150:347-365. [PMID: 29544148 DOI: 10.1016/j.ejmech.2018.03.016] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 03/02/2018] [Accepted: 03/04/2018] [Indexed: 12/20/2022]
Abstract
Tuberculosis still remains one of the most common, communicable, and leading deadliest diseases known to mankind throughout the world. Drug-resistance in Mycobacterium tuberculosis which threatens to worsen the global tuberculosis epidemic has caused great concern in recent years. To overcome the resistance, the development of new drugs with novel mechanisms of actions is of great importance. Imidazole-containing derivatives endow with various biological properties, and some of them demonstrated excellent anti-tubercular activity. As the most emblematic example, 4-nitroimidazole delamanid has already received approval for treatment of multidrug-resistant tuberculosis infected patients. Thus, imidazole-containing derivatives have caused great interests in discovery of new anti-tubercular agents. Numerous of imidazole-containing derivatives were synthesized and screened for their in vitro and in vivo anti-mycobacterial activities against both drug-sensitive and drug-resistant Mycobacterium tuberculosis pathogens. This review aims to outline the recent advances of imidazole-containing derivatives as anti-tubercular agents, and summarize the structure-activity relationship of these derivatives. The enriched structure-activity relationship may pave the way for the further rational development of imidazole-containing derivatives as anti-tubercular agents.
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Affiliation(s)
- Yi-Lei Fan
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Xiao-Hong Jin
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Zhong-Ping Huang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, PR China.
| | - Hai-Feng Yu
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Zhi-Gang Zeng
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China
| | - Tao Gao
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning 437100, PR China.
| | - Lian-Shun Feng
- Synthetic and Functional Biomolecules Center, Peking University, Beijing, PR China
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Nural Y, Gemili M, Ulger M, Sari H, De Coen LM, Sahin E. Synthesis, antimicrobial activity and acid dissociation constants of methyl 5,5-diphenyl-1-(thiazol-2-yl)pyrrolidine-2-carboxylate derivatives. Bioorg Med Chem Lett 2018; 28:942-946. [DOI: 10.1016/j.bmcl.2018.01.045] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 01/18/2018] [Accepted: 01/23/2018] [Indexed: 12/19/2022]
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48
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Zitko J, Jand'ourek O, Paterová P, Navrátilová L, Kuneš J, Vinšová J, Doležal M. Design, synthesis and antimycobacterial activity of hybrid molecules combining pyrazinamide with a 4-phenylthiazol-2-amine scaffold. MEDCHEMCOMM 2018; 9:685-696. [PMID: 30108959 DOI: 10.1039/c8md00056e] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 02/21/2018] [Indexed: 12/14/2022]
Abstract
Hybrid compounds based on a combination of the first-line antitubercular pyrazinamide (PZA) and a formerly identified antimycobacterial scaffold of 4-arylthiazol-2-amine were designed. Eighteen compounds were prepared, characterized and tested for in vitro growth inhibition activity against M. tuberculosis H37Rv, M. kansasii, M. avium and M. smegmatis by Microplate Alamar Blue Assay at neutral pH. Active compounds were tested for in vitro cytotoxicity in the human hepatocellular carcinoma cell line (HepG2). The most active 6-chloro-N-[4-(4-fluorophenyl)thiazol-2-yl]pyrazine-2-carboxamide (9b) also had the broadest spectrum of activity and inhibited M. tuberculosis, M. kansasii, and M. avium with MIC = 0.78 μg mL-1 (2.3 μM) and a selectivity index related to HepG2 cells of SI > 20. Structure-activity relationships within the series are discussed. Based on its structural similarity to known inhibitors and the results of a molecular docking study, we suggest mycobacterial beta-ketoacyl-(acyl-carrier-protein) synthase III (FabH) as a potential target.
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Affiliation(s)
- Jan Zitko
- Faculty of Pharmacy in Hradec Králové , Charles University , Heyrovského 1203 , Hradec Králové , 500 05 , Czech Republic .
| | - Ondřej Jand'ourek
- Faculty of Pharmacy in Hradec Králové , Charles University , Heyrovského 1203 , Hradec Králové , 500 05 , Czech Republic .
| | - Pavla Paterová
- Department of Clinical Microbiology , University Hospital , Sokolská 581 , Hradec Králové , 500 05 , Czech Republic
| | - Lucie Navrátilová
- Faculty of Pharmacy in Hradec Králové , Charles University , Heyrovského 1203 , Hradec Králové , 500 05 , Czech Republic .
| | - Jiří Kuneš
- Faculty of Pharmacy in Hradec Králové , Charles University , Heyrovského 1203 , Hradec Králové , 500 05 , Czech Republic .
| | - Jarmila Vinšová
- Faculty of Pharmacy in Hradec Králové , Charles University , Heyrovského 1203 , Hradec Králové , 500 05 , Czech Republic .
| | - Martin Doležal
- Faculty of Pharmacy in Hradec Králové , Charles University , Heyrovského 1203 , Hradec Králové , 500 05 , Czech Republic .
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49
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Silva RGM, da Silva MJV, Jacomini AP, Moura S, Back DF, Basso EA, Rosa FA. Development of methodologies for the regioselective synthesis of four series of regioisomer isoxazoles from β-enamino diketones. RSC Adv 2018; 8:4773-4778. [PMID: 35539545 PMCID: PMC9077875 DOI: 10.1039/c7ra13343j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Accepted: 01/20/2018] [Indexed: 12/19/2022] Open
Abstract
Four methodologies are reported for the regioselective synthesis of four series of regioisomer isoxazoles from cyclocondensation of β-enamino diketones and hydroxylamine hydrochloride. Regiochemical control was achieved by varying reaction conditions and substrate structure. The mild reaction conditions used to access 4,5-disubstituted, 3,4-disubtituted, and 3,4,5-trisubstituted regioisomer isoxazoles, as well as the pharmacological and synthetic potential of the products, make these novel methodologies very powerful. Efficient and regioselective synthesis of isoxazoles was demonstrated through cyclocondensation of β-enamino diketones with hydroxylamine: four of the six possible regioisomers were obtained.![]()
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Affiliation(s)
- Raí G. M. Silva
- Departamento de Química
- Universidade Estadual de Maringá (UEM)
- Brazil
| | | | | | - Sidnei Moura
- Laboratório de Produtos Naturais e Sintéticos
- Instituto de Biotecnologia
- Universidade de Caxias do Sul (UCS)
- Caxias do Sul
- Brazil
| | - Davi F. Back
- Departamento de Química
- Universidade Federal de Santa Maria (UFSM)
- Santa Maria
- Brazil
| | - Ernani A. Basso
- Departamento de Química
- Universidade Estadual de Maringá (UEM)
- Brazil
| | - Fernanda A. Rosa
- Departamento de Química
- Universidade Estadual de Maringá (UEM)
- Brazil
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50
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Recent advance in oxazole-based medicinal chemistry. Eur J Med Chem 2018; 144:444-492. [DOI: 10.1016/j.ejmech.2017.12.044] [Citation(s) in RCA: 166] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 12/04/2017] [Accepted: 12/13/2017] [Indexed: 01/09/2023]
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