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Carrero JC, Espinoza B, Huerta L, Silva-Miranda M, Guzmán-Gutierrez SL, Dorazco-González A, Reyes-Chilpa R, Espitia C, Sánchez S. Introducing the NUATEI Consortium: A Mexican Research Program for the Identification of Natural and Synthetic Antimicrobial Compounds for Prevalent Infectious Diseases. Pharmaceuticals (Basel) 2024; 17:957. [PMID: 39065807 PMCID: PMC11280322 DOI: 10.3390/ph17070957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 07/09/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
The need for new drugs to treat human infections is a global health concern. Diseases like tuberculosis, trypanosomiasis, amoebiasis, and AIDS remain significant problems, especially in developing countries like Mexico. Despite existing treatments, issues such as resistance and adverse effects drive the search for new alternatives. Herein, we introduce the NUATEI research consortium, made up of experts from the Institute of Biomedical Research at UNAM, who identify and obtain natural and synthetic compounds and test their effects against human pathogens using in vitro and in vivo models. The consortium has evaluated hundreds of natural extracts and compounds against the pathogens causing tuberculosis, trypanosomiasis, amoebiasis, and AIDS, rendering promising results, including a patent with potential for preclinical studies. This paper presents the rationale behind the formation of this consortium, as well as its objectives and strategies, emphasizing the importance of natural and synthetic products as sources of antimicrobial compounds and the relevance of the diseases studied. Finally, we briefly describe the methods of the evaluation of the compounds in each biological model and the main achievements. The potential of the consortium to screen numerous compounds and identify new therapeutic agents is highlighted, demonstrating its significant contribution to addressing these infectious diseases.
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Affiliation(s)
- Julio César Carrero
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (B.E.); (L.H.); (C.E.)
| | - Bertha Espinoza
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (B.E.); (L.H.); (C.E.)
| | - Leonor Huerta
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (B.E.); (L.H.); (C.E.)
| | - Mayra Silva-Miranda
- CONAHCyT-Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (M.S.-M.); (S.-L.G.-G.)
| | - Silvia-Laura Guzmán-Gutierrez
- CONAHCyT-Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (M.S.-M.); (S.-L.G.-G.)
| | - Alejandro Dorazco-González
- Departmento de Química Inorgánica, Instituto de Química, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Ricardo Reyes-Chilpa
- Departamento de Productos Naturales, Instituto de Química, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
| | - Clara Espitia
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico; (B.E.); (L.H.); (C.E.)
| | - Sergio Sánchez
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Mexico City 04510, Mexico;
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Khan BA, Hamdani SS, Ahmed MN, Hameed S, Ashfaq M, Shawky AM, Ibrahim MAA, Sidhom PA. Synthesis, X-ray diffraction analysis, quantum chemical studies and α-amylase inhibition of probenecid derived S-alkylphthalimide-oxadiazole-benzenesulfonamide hybrids. J Enzyme Inhib Med Chem 2022; 37:1464-1478. [PMID: 35616297 PMCID: PMC9154803 DOI: 10.1080/14756366.2022.2078969] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/12/2022] [Accepted: 05/12/2022] [Indexed: 12/23/2022] Open
Abstract
Sulphonamide and 1,3,4-oxadiazole moieties are present as integral structural parts of many drugs and pharmaceuticals. Taking into account the significance of these moieties, we herein present the synthesis, single-crystal X-ray analysis, DFT studies, and α-amylase inhibition of probenecid derived two S-alkylphthalimide-oxadiazole-benzenesulfonamide hybrids. The synthesis has been accomplished in high yields. The final structures of both hybrids have been established completely with the help of different spectro-analytical techniques, including NMR, FTIR, HR-MS, and single-crystal X-ray diffraction analyses. In an effort to confirm the experimental findings, versatile quantum mechanical calculations and Hirshfeld Surface analysis have been performed. α-Amylase inhibition assay has been executed to investigate the enzyme inhibitory potential of both hybrids. The low IC50 value (76.92 ± 0.19 μg/mL) of hybrid 2 shows the good α-amylase inhibition potential of the respective compound. Ultimately, the binding affinities and features of the two hybrids are elucidated utilising a molecular docking technique against the α-amylase enzyme.
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Affiliation(s)
- Bilal Ahmad Khan
- Department of Chemistry, The University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Syeda Shamila Hamdani
- Department of Chemistry, The University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
- Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Naeem Ahmed
- Department of Chemistry, The University of Azad Jammu and Kashmir, Muzaffarabad, Pakistan
| | - Shahid Hameed
- Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Ashfaq
- Department of Physics, University of Sargodha, Sargodha, Pakistan
| | - Ahmed M. Shawky
- Science and Technology Unit (STU), Umm Al-Qura University, Makkah, Saudi Arabia
| | - Mahmoud A. A. Ibrahim
- Computational Chemistry Laboratory, Chemistry Department, Faculty of Science, Minia University, Minia, Egypt
| | - Peter A. Sidhom
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
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Küçükoğlu K, Acar Çevik U, Nadaroglu H, Celik I, Işık A, Bostancı HE, Özkay Y, Kaplancıklı ZA. Design, synthesis and molecular docking studies of novel benzimidazole-1,3,4-oxadiazole hybrids for their carbonic anhydrase inhibitory and antioxidant effects. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02943-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Shah R, Shah M, Kumar V, Verma PK. Synthesis and antimycobacterial evaluation of pyrazinamide, benzimidazole and carboxamide derivatives. J Heterocycl Chem 2022. [DOI: 10.1002/jhet.4557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rashmi Shah
- Department of Pharmaceutical Sciences Maharshi Dayanand University Rohtak Haryana India
| | | | - Vipan Kumar
- Department of Pharmaceutical Chemistry JCDV College of Pharmacy Sirsa India
| | - Prabhakar Kumar Verma
- Department of Pharmaceutical Sciences Maharshi Dayanand University Rohtak Haryana India
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Hosseini S, Ketabi S, Hasheminasab G. QSAR study of antituberculosis activity of oxadiazole derivatives using DFT calculations. J Recept Signal Transduct Res 2022; 42:503-511. [PMID: 35263550 DOI: 10.1080/10799893.2022.2044860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Mycobacterium tuberculosis (Mtb) is the causative agent of infectious diseases worldwide. Oxadiazole derivatives have many biological activities and can be a good alternative to antimicrobial drugs. In this study, the quantitative structure-activity relationship (QSAR) of fifty-one novel oxadiazoles derivatives has been studied using the density functional theory (DFT) and statistical methods. Becke's three-parameter hybrid method and the Lee-Yang-Parr B3LYP functional employing 6-31++G (d) basis set are used to calculated quantum chemical descriptors using Gaussian09 software. The other descriptors including Lipinski, physicochemistry, topological, etc. were calculated using Chembio3d software. Statistically, the best correlation between the independent variables and the PMIC as the dependent variable was a 6-variable equation for which the correlation coefficient were as follows R2 = 0.86 and R = 0.93. Also, the values of MAE = 0.003 and Q2CV = 0.9 confirm the acceptability of the obtained model. The obtained equation shows that NRB, energy gap (ΔE), Henry's law constant, O-C, and C-N bonds length, and the Free Gibbs energy have the highest correlation with the anti-Tb activity.
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Affiliation(s)
- Sharieh Hosseini
- Department of Chemistry, Faculty of Pharmaceutical Chemistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Sepideh Ketabi
- Department of Chemistry, Faculty of Pharmaceutical Chemistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Golnar Hasheminasab
- School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Kottapalle G, Deshmukh N, Shinde A. Synthesis of 2-Hydroxynaphthyl Pyrazolines Containing Isoniazid Moiety:
A Potential Antitubercular Agent. LETT ORG CHEM 2022. [DOI: 10.2174/1570178618666210427103249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
The new series of pyrazolines derivatives containing isoniazid moiety were synthesized from
2-hydroxynaphthyl functionalized chalcones and isoniazid using sodium hydroxide as a base in 2-
ethoxy ethanol. We evaluated their antitubercular activity against Mycobacterium tuberculosis strain
(H37Rv) by Microplate Alamar Blue Assay (MABA). Some of the tested compounds 3a, 3b, and 3c,
were found to have higher antitubercular activity than the selected standard drugs, whereas compounds
3d, 3e, 3i and 3j were found to have higher antitubercular activity than Streptomycin and same as that
of Pyrazinamide and Ciprofloxacin, while remaining compound showed moderate activity. Whereas it
is found that the disubstituted halogen compound and electron-withdrawing group on the phenyl ring
are important substitutions for an increase in antitubercular activity.
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Affiliation(s)
- Gajanan Kottapalle
- PG Research Center & Department of Chemistry, N.E.S. Science College, Nanded, Dist-Nanded 431602, Maharashtra,
India
| | - Nagesh Deshmukh
- PG Research Center & Department of Chemistry, N.E.S. Science College, Nanded, Dist-Nanded 431602, Maharashtra,
India
| | - Avinash Shinde
- PG Research Center & Department of Chemistry, N.E.S. Science college, Nanded, Dist-Nanded 431602, Maharashtra, India
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Wang A, Xu S, Chai Y, Xia G, Wang B, Lv K, Wang D, Qin X, Jiang B, Wu W, Liu M, Lu Y. Design, synthesis and biological evaluation of nitrofuran-1,3,4-oxadiazole hybrids as new antitubercular agents. Bioorg Med Chem 2022; 53:116529. [PMID: 34861474 DOI: 10.1016/j.bmc.2021.116529] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 09/30/2021] [Accepted: 11/19/2021] [Indexed: 12/25/2022]
Abstract
Three series of novel nitrofuran-1,3,4-oxadiazole hybrids were designed and synthesized as new anti-TB agents. The structure activity relationship study indicated that the linkers and the substituents on the oxadiazole moiety greatly influence the activity, and the substituted benzenes are more favoured than the cycloalkyl or heterocyclic groups. Besides, the optimal compound in series 2 was active against both MTB H37Rv strain and MDR-MTB 16883 clinical isolate and also displayed low cytotoxicity, low inhibition of hERG and good oral PK, indicating its promising potential to be a lead for further structural modifications.
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Affiliation(s)
- Apeng Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Shijie Xu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yun Chai
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an 710072, China
| | - Guimin Xia
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Bin Wang
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital College of Pharmacy, Medical University, Beijing 100149, China
| | - Kai Lv
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Dan Wang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiaoyu Qin
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Bin Jiang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; Hebei Medical University, Shijiazhuang 050017, China
| | - Wenhao Wu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; Hebei Medical University, Shijiazhuang 050017, China
| | - Mingliang Liu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Yu Lu
- Beijing Key Laboratory of Drug Resistance Tuberculosis Research, Department of Pharmacology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital College of Pharmacy, Medical University, Beijing 100149, China.
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Guzmán-Gutiérrez SL, Silva-Miranda M, Krengel F, Huerta-Salazar E, León-Santiago M, Díaz-Cantón JK, Espitia Pinzón C, Reyes-Chilpa R. Antimycobacterial Activity of Alkaloids and Extracts from Tabernaemontana alba and T. arborea. PLANTA MEDICA 2022; 88:53-61. [PMID: 32392600 DOI: 10.1055/a-1157-1732] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Tuberculosis is the main cause of death from a single infectious agent. Globally, according to the World Health Organization, in 2018, there were an estimated 1.2 million tuberculosis deaths. Moreover, there is a continuous appearance of drug-resistant strains. Thus, development of new antituberculosis medicines should receive high priority. Plant-derived natural products are promising candidates for this purpose. We therefore screened alkaloid extracts obtained from the root and stem barks of the Mexican Apocynaceae species Tabernaemontana alba and Tabernaemontana arborea, as well as the pure alkaloids ibogaine, voacangine, and voacamine, tested for activity against Mycobacterium tuberculosis H37Rv and cytotoxicity to mammalian Vero cells using the resazurin microtiter and the MTT assays, respectively. The extracts were analyzed by GC-MS and HPLC-UV. T. arborea root bark alkaloid extract showed the highest activity against M. tuberculosis (MIC100 = 7.8 µg/mL) of the four extracts tested. HPLC suggested that voacangine and voacamine were the major components. The latter was isolated by column chromatography, and its chemical structure was elucidated by 1H and 13C NMR, and MS. Unambiguous assignation was performed by HSQC, HMBC, and NOESY experiments. Voacamine is a dimeric bis-indole-type alkaloid and is 15 times more potent than the monomeric ibogan-type alkaloids ibogaine and voacangine (MIC100 = 15.6, 250.0, and 250.0 µg/mL, respectively). However, all of these compounds showed cytotoxicity to Vero cells, with a poor selectivity index of 1.00, 0.16, and 1.42, respectively. This is the first report of voacamine activity against M. tuberculosis.
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Affiliation(s)
- Silvia Laura Guzmán-Gutiérrez
- CONACyT - Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Mayra Silva-Miranda
- CONACyT - Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Felix Krengel
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad de México, México
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
| | | | - Mayra León-Santiago
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Jessica Karina Díaz-Cantón
- Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México, Ciudad de México, México
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Clara Espitia Pinzón
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Ricardo Reyes-Chilpa
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
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9
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Siwach A, Verma PK. Therapeutic potential of oxadiazole or furadiazole containing compounds. BMC Chem 2020; 14:70. [PMID: 33372629 PMCID: PMC7722446 DOI: 10.1186/s13065-020-00721-2] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 11/07/2020] [Indexed: 11/10/2022] Open
Abstract
As we know that, Oxadiazole or furadi azole ring containing derivatives are an important class of heterocyclic compounds. A heterocyclic five-membered ring that possesses two carbons, one oxygen atom, two nitrogen atoms, and two double bonds is known as oxadiazole. They are derived from furan by the replacement of two methylene groups (= CH) with two nitrogen (-N =) atoms. The aromaticity was reduced with the replacement of these groups in the furan ring to such an extent that it shows conjugated diene character. Four different known isomers of oxadiazole were existed such as 1,2,4-oxadiazole, 1,2,3-oxadiazole, 1,2,5-oxadiazole & 1,3,4-oxadiazole. Among them, 1,3,4-oxadiazoles & 1,2,4-oxadiazoles are better known and more widely studied by the researchers due to their broad range of chemical and biological properties. 1,3,4-oxadiazoles have become important synthons in the development of new drugs. The derivatives of the oxadiazole nucleus (1,3,4-oxadiazoles) show various biological activities such as antibacterial, anti-mycobacterial, antitumor, anti-viral and antioxidant activity, etc. as reported in the literature. There are different examples of commercially available drugs which consist of 1,3,4-oxadiazole ring such as nitrofuran derivative (Furamizole) which has strong antibacterial activity, Raltegravir as an antiviral drug and Nesapidil drug is used in anti-arrhythmic therapy. This present review summarized some pharmacological activities and various kinds of synthetic routes for 2, 5-disubstituted 1,3,4-oxadiazole, and their derived products.
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Affiliation(s)
- Ankit Siwach
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Prabhakar Kumar Verma
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India.
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Verma SK, Verma R, Verma S, Vaishnav Y, Tiwari SP, Rakesh KP. Anti-tuberculosis activity and its structure-activity relationship (SAR) studies of oxadiazole derivatives: A key review. Eur J Med Chem 2020; 209:112886. [PMID: 33032083 DOI: 10.1016/j.ejmech.2020.112886] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/19/2020] [Accepted: 09/23/2020] [Indexed: 01/09/2023]
Abstract
With the increasing number of cases of inactive and drug-resistance tuberculosis, there is an urgent need to develop new potent molecules set for fighting this brutal disease. Medicinal chemistry concerns the discovery, the development, the identification, and the interpretation of the mode of action of biologically active compounds at the molecular level. Molecules bearing oxadiazoles are one such class that could be considered to satisfy this need. Oxadiazole regioisomers have been investigated in drug discovery programs for their capacity to go about as powerful linkers and as pharmacophoric highlights. Oxadiazoles can go about as bioisosteric substitutions for the hydrazide moiety which can be found in first-line anti-TB drugs, and some have been likewise answered to cooperate with more current anti-TB targets. This present review summarizes the current innovations of oxadiazole-based derivatives with potential antituberculosis activity and bacteria discussing various aspects of structure-activity relationship (SAR).
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Affiliation(s)
- Santosh Kumar Verma
- School of Chemistry and Chemical Engineering, Yulin University, Yulin, 719000, Shaanxi, PR China; Shaanxi Key Laboratory of Low Metamorphic Coal Clean Utilization, Yulin University, Yulin, 719000, Shaanxi, PR China
| | - Rameshwari Verma
- School of Chemistry and Chemical Engineering, Yulin University, Yulin, 719000, Shaanxi, PR China; Shaanxi Key Laboratory of Low Metamorphic Coal Clean Utilization, Yulin University, Yulin, 719000, Shaanxi, PR China.
| | - Shekhar Verma
- University College of Pharmacy Raipur, Pt. Deendayal Upadhyay Memorial Health, Sciences and Aayush University of Chhattisgarh, Raipur, 492010, Chhattisgarh, India
| | - Yogesh Vaishnav
- Shri Shankaracharya Technical Campus, Shri Shankaracharya Group of Institutions, Bhilai, 491001, Chhattisgarh, India
| | - S P Tiwari
- School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, PR China
| | - K P Rakesh
- School of Material Science and Engineering, Wuhan Institute of Technology, Wuhan, 430073, PR China.
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11
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Martínez R, Espitia-Pinzón CI, Silva Miranda M, Chávez-Santos RM, Pretelin-Castillo G, Ramos-Orea A, Hernández-Báez ÁM, Cotlame-Pérez S, Pedraza-Rodríguez R. Synthesis and antituberculosis activity of new acylthiosemicarbazides designed by structural modification. Drug Dev Res 2019; 81:350-355. [PMID: 31777976 DOI: 10.1002/ddr.21626] [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: 07/03/2019] [Revised: 10/08/2019] [Accepted: 11/09/2019] [Indexed: 11/08/2022]
Abstract
Acylthiosemicarbazides 8a-n were designed by structural modification of lead Compound 7. The syntheses of 8a-n involve a five-step procedure starting from carboxylic acids. Compounds 8a-n were tested against three Mycobacterium tuberculosis strains to measure their inhibitory antituberculosis activities. These activities could be explained according to the presence or absence of the chlorine substituent in the aromatic ring of the amide joined to the thiosemicarbazide core. Thiosemicarbazide derivative 8n is a candidate for the development of novel antitubercular agents. Ongoing studies are focused on exploring the mechanism by which these compounds inhibit M. tuberculosis cell growth.
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Affiliation(s)
- Roberto Martínez
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, México
| | - Clara I Espitia-Pinzón
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México
| | - Mayra Silva Miranda
- Catedrática CONACYT adscrita al Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, México
| | - Rosa María Chávez-Santos
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, México
| | - Gustavo Pretelin-Castillo
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, México
| | - Aldahir Ramos-Orea
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, México
| | - Ángela M Hernández-Báez
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, México
| | - Sandra Cotlame-Pérez
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, México
| | - Rogelio Pedraza-Rodríguez
- Universidad Nacional Autónoma de México, Instituto de Química, Ciudad Universitaria, Ciudad de México, México
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