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Zampieri D, Mamolo MG. Hybridization Approach to Drug Discovery Inhibiting Mycobacterium tuberculosis-An Overview. Curr Top Med Chem 2021; 21:777-788. [PMID: 32814528 DOI: 10.2174/1568026620666200819151342] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/10/2020] [Accepted: 07/16/2020] [Indexed: 11/22/2022]
Abstract
Tuberculosis is one of the top 10 causes of death worldwide and the leading cause of death from a single infectious agent, mainly due to Mycobacterium tuberculosis (MTB). Recently, clinical prognoses have worsened due to the emergence of multi-drug resistant (MDR) and extensive-drug resistant (XDR) tuberculosis, which lead to the need for new, efficient and safe drugs. Among the several strategies, polypharmacology could be considered one of the best solutions, in particular, the multitarget directed ligands strategy (MTDLs), based on the synthesis of hybrid ligands acting against two targets of the pathogen. The framework strategy comprises linking, fusing and merging approaches to develop new chemical entities. With these premises, this review aims to provide an overview of the recent hybridization approach, in medicinal chemistry, of the most recent and promising multitargeting antimycobacterial candidates.
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Affiliation(s)
- Daniele Zampieri
- Department of Chemical and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, Trieste 34127, Italy
| | - Maria G Mamolo
- Department of Chemical and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, Trieste 34127, Italy
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2
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Atukuri D, Gunjal R, Holagundi N, Korlahalli B, Gangannavar S, Akkasali K. Contribution of N-heterocycles towards anti-tubercular drug discovery (2014-2019); predicted and reengineered molecular frameworks. Drug Dev Res 2021; 82:767-783. [PMID: 33660325 DOI: 10.1002/ddr.21809] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 02/13/2021] [Accepted: 02/18/2021] [Indexed: 11/08/2022]
Abstract
Tuberculosis is an infectious disease caused by Mycobacterium tuberculosis, responsible for high death frequency every year all over the world. In this regard, efficient drug-design and discovery towards the prevention of M.tb H37 Rv is of prime concern. Prevention of the infection may include vaccination, and the treatment comprises anti-TB drug regimen. However, the vaccine decreases the risk of tuberculosis infection only to some extent, while drug-resistance limits the efficacy of the existing anti-TB agents. Much improvement has to be achieved to overcome pitfalls such as side effects, high-toxicity, low bioavailability, pharmacokinetics and pharmacodynamics, and hence forth in clinical therapeutics. Amongst heterocyclic compounds, N-heterocycles played a pivotal role in drug-design and discovery. A wide range of microbial diseases are being treated by the N-heterocyclic drugs. The present review comprises description of anti-TB effects of the N-heterocycles such as indoles, triazoles, thiazoles, and pyrazoles. The potent anti-TB activity exerted by the derivatives of these heterocycles is evaluated critically alongside emphasizing structure-activity relationship. Besides, docking studies supporting anti-TB activity is supplemented. Alongside this, based on the potent heterocyclic molecules, the molecular frameworks are designed that would bring about enhanced M. tb H37 Rv inhibitory potencies.
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Affiliation(s)
- Dorababu Atukuri
- Department of Chemistry, SRMPP Govt. First Grade College, Huvinahadagali, India
| | - Rutu Gunjal
- Department of Chemistry, SRMPP Govt. First Grade College, Huvinahadagali, India
| | - Nagaraj Holagundi
- Department of Chemistry, SRMPP Govt. First Grade College, Huvinahadagali, India
| | | | | | - Kirankumar Akkasali
- Department of Chemistry, SRMPP Govt. First Grade College, Huvinahadagali, India
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3
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Indole-fused spirochromenes as potential anti-tubercular agents: design, synthesis and in vitro evaluation. Mol Divers 2020; 25:2137-2148. [PMID: 32474889 DOI: 10.1007/s11030-020-10108-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Accepted: 05/15/2020] [Indexed: 10/24/2022]
Abstract
As part of an ongoing effort to develop new anti-tubercular agents, a series of novel indole-fused spirochromene hybrids (7a-l) were efficiently synthesized in excellent yields by the popular 'Fisher-Indole synthesis' approach. The structure elucidation of the target compounds was carried out by different spectral techniques including 1H-NMR, 13C-NMR, ESI Mass, and FTIR analysis. Additionally, the proposed structure of 7i was proved by single-crystal X-ray analysis. These compounds (7a-l) were screened for in vitro anti-tubercular activity against Mycobacterium tuberculosis H37Rv (ATCC 27294) strain. The results showed that most of the targets exhibited promising antimycobacterial activity with MICs of 1.56-6.25 μg/mL and weak cytotoxicity (19.93-32.16% at 50 μg/mL). Among them, compound 7l was found to be the most active compound (MIC of 1.56 μg/mL) with a good safety profile (32.16% at 50 μg/mL).
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Somagond SM, Kamble RR, Bayannavar PK, Shaikh SKJ, Joshi SD, Kumbar VM, Nesaragi AR, Kariduraganavar MY. Click chemistry based regioselective one-pot synthesis of coumarin-3-yl-methyl-1,2,3-triazolyl-1,2,4-triazol-3(4H)-ones as newer potent antitubercular agents. Arch Pharm (Weinheim) 2019; 352:e1900013. [PMID: 31397503 DOI: 10.1002/ardp.201900013] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 06/28/2019] [Accepted: 07/05/2019] [Indexed: 01/19/2023]
Abstract
Coumarin-3-yl-methyl-1,2,3-triazolyl-1,2,4-triazol-3(4H)-ones (8k-z) were synthesized via copper(I)-catalyzed azide-alkyne cycloaddition click chemistry. The synthesized hybrid molecules were characterized by spectral studies. Compounds 8k-z were screened for their in vitro anti-TB activity by using the Microplate Alamar Blue assay and for cytotoxicity using the MTT assay. Some of the compounds were found to be most potent against the tested Mycobacterium tuberculosis H37Rv strain with a MIC of 1.60 µg/ml. Further, docking the compounds into the InhA binding pocket showed strong binding interactions and effective overall docking scores were recorded. The drug-likeness and toxicity studies were computed using Molinspiration and Protox, respectively.
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Affiliation(s)
- Shilpa M Somagond
- Department of Studies in Chemistry, Karnatak University Dharwad, Karnataka, India
| | - Ravindra R Kamble
- Department of Studies in Chemistry, Karnatak University Dharwad, Karnataka, India
| | - Praveen K Bayannavar
- Department of Studies in Chemistry, Karnatak University Dharwad, Karnataka, India
| | - Saba Kauser J Shaikh
- Department of Studies in Chemistry, Karnatak University Dharwad, Karnataka, India
| | - Shrinivas D Joshi
- Novel Drug Design and Discovery Laboratory, Department of Pharmaceutical Chemistry, S.E.T.'s College of Pharmacy, Dharwad, Karnataka, India
| | - Vijay M Kumbar
- Dr. Prabhakar Kore Basic Science Research Center, KLE University, Belagavi, Karnataka, India
| | - Aravind R Nesaragi
- Department of Studies in Chemistry, Karnatak University Dharwad, Karnataka, India
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5
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Zampieri D, Cateni F, Moneghini M, Zacchigna M, Laurini E, Marson D, De Logu A, Sanna A, Mamolo MG. Imidazole and 1,2,4-Triazole-based Derivatives Gifted with Antitubercular Activity: Cytotoxicity and Computational Assessment. Curr Top Med Chem 2019; 19:620-632. [DOI: 10.2174/1568026619666190227183826] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 08/13/2018] [Accepted: 08/31/2018] [Indexed: 11/22/2022]
Abstract
Background:Mycobacterium Tuberculosis (Mtb) is the causative pathogen of Tuberculosis (TB) and outbreaks are more common among immunosuppressed persons infected with HIV. The current treatment regimens are lengthy and toxic, yet the therapy has remained unchanged for many decades, so there is a need to find new structures with selective mechanism of action. Moreover, the increased incidence of severe disseminated infections produced by undiagnosed Multidrug-resistant (MDR), worsen clinical treatment and contribute the spread of the disease.Objective:The aim of our study was to evaluate the potential of imidazole and triazole moieties for antimycobacterial activity, by synthesizing some 1-(1-(aryl)-2-(2,6-dichlorophenyl)hydrazono)ethyl- 1H-imidazole and 1H-1,2,4-triazole derivatives 2a-l.Methods:The title compounds were obtained via classical organic synthesis. The antimicrobial activity was evaluated using the method of microdilution and the cytotoxicity assay was performed by MTT method.Results:The results indicated that the presence of both the imidazole ring and that of the 2,6- dichlorosubstituted phenyl moiety, is more relevant for inhibitory activity against Mtb than the triazole nucleus and the unsubstituted phenyl ring. Among the series, (E)-1-(2-(5-chlorothiophen-2-yl)-2-(2- (2,6-dichlorophenyl)hydrazono)ethyl)-1H-imidazole derivative 2f and (Z)-1-(2-([1,1’-biphenyl]-4-yl)- 2-(2-(2,6-dichlorophenyl)hydrazono)ethyl]-1H-imidazole derivatives 2e exhibited a promising antimycobacterial property and the latter also displayed a safe cytotoxic profile.Conclusion:The synthesized compounds were studied for their antitubercular activity. Among the series, the compounds 2e and 2f appeared to be the most promising agents and, according to the docking assessment, the compounds could be CYP51 inhibitors. These evidences could be useful for the future development of new antimycobacterial derivatives targeting CYP51 with more specificity for the mycobacterial cell enzyme.
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Affiliation(s)
- Daniele Zampieri
- Department of Chemistry and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, 34127 Trieste, Italy
| | - Francesca Cateni
- Department of Chemistry and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, 34127 Trieste, Italy
| | - Mariarosa Moneghini
- Department of Chemistry and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, 34127 Trieste, Italy
| | - Marina Zacchigna
- Department of Chemistry and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, 34127 Trieste, Italy
| | - Erik Laurini
- Molecular Simulation Engineering (MOSE) Laboratory, DEA, Via Valerio,10, University of Trieste, 34127 Trieste, Italy
| | - Domenico Marson
- Molecular Simulation Engineering (MOSE) Laboratory, DEA, Via Valerio,10, University of Trieste, 34127 Trieste, Italy
| | - Alessandro De Logu
- Department of Life and Enviromental Sciences, Via Porcell, 4, University of Cagliari, 09124 Cagliari, Italy
| | - Adriana Sanna
- Department of Life and Enviromental Sciences, Via Porcell, 4, University of Cagliari, 09124 Cagliari, Italy
| | - Maria G. Mamolo
- Department of Chemistry and Pharmaceutical Sciences, P.le Europa 1, University of Trieste, 34127 Trieste, Italy
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Halay E, Ay E, Şalva E, Ay K, Karayıldırım T. Synthesis of triazolylmethyl-linked nucleoside analogs via combination of azidofuranoses with propargylated nucleobases and study on their cytotoxicity. Chem Heterocycl Compd (N Y) 2018. [DOI: 10.1007/s10593-018-2248-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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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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Triazole derivatives and their anti-tubercular activity. Eur J Med Chem 2017; 138:501-513. [PMID: 28692915 DOI: 10.1016/j.ejmech.2017.06.051] [Citation(s) in RCA: 297] [Impact Index Per Article: 42.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Revised: 05/20/2017] [Accepted: 06/25/2017] [Indexed: 11/22/2022]
Abstract
Tuberculosis (TB) remains one of the most widespread and leading deadliest diseases, threats one-third of the world's population. Although numerous efforts have been undertaken to develop new anti-TB agents, only a handful of compounds have entered human trials in the past 5 decades. Triazoles including 1,2,3-triazole and 1,2,4-triazole are one of the most important classes of nitrogen containing heterocycles that exhibited various biological activities. Triazole derivatives are regarded as a new class of effective anti-TB candidates owing to their potential anti-TB potency. Thus, molecules containing triazole moiety may show promising in vitro and in vivo anti-TB activities and might be able to prevent the drug resistant to certain extent. This review outlines the advances in the application of triazole-containing hybrids as anti-TB agents, and discusses the structure-activity relationship of these derivatives.
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Synthesis of New (E)-2-(1 H-Indole-3-ylcarbonyl)-3-heteroaryl-acrylonitriles via Microwave-Assisted Knoevenagel Condensation. J CHEM-NY 2017. [DOI: 10.1155/2017/8418930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Given the broad spectrum of biological uses of heteroaryl-acrylonitrile derivatives, it is necessary to find simple methods to synthesize and diversify this family of compounds. We report a stereoselective synthesis of a series of new (E)-2-(1H-indole-3-ylcarbonyl)-3-heteroaryl-acrylonitriles (3a–3i) obtained from 3-(cyanoacetyl)indole and heteroaryl-aldehydes under microwave-assisted Knoevenagel reaction at 300 W of potency and 100°C. The desired derivatives (3a–3i) were obtained with variable yields (30–94%) and time reactions (8–90 min). All the heteroaryl-acrylonitriles were characterized by physicoanalytical techniques such IR, 1H, 13C NMR, and electrospray mass spectrometry.
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Cihan-Üstündağ G, Şatana D, Özhan G, Çapan G. Indole-based hydrazide-hydrazones and 4-thiazolidinones: synthesis and evaluation as antitubercular and anticancer agents. J Enzyme Inhib Med Chem 2015; 31:369-80. [PMID: 25910087 DOI: 10.3109/14756366.2015.1024673] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A new series of indolylhydrazones (6) and indole-based 4-thiazolidinones (7, 8) have been designed, synthesized and screened for in vitro antitubercular activity against Mycobacterium tuberculosis H37Rv. 4-Thiazolidinone derivatives 7g-7j, 8g, 8h and 8j displayed notable antituberculosis (anti-TB) activity showing 99% inhibition at MIC values ranging from 6.25 to 25.0 µg/ml. Compounds 7g, 7h, 7i, 8h and 8j demonstrated anti-TB activity at concentrations 10-fold lower than those cytotoxic for the mammalian cell lines. The indolylhydrazone derivative 6b has also been evaluated for antiproliferative activity against human cancer cell lines at the National Cancer Institute (USA). Compound 6b showed an interesting anticancer profile against different human tumor-derived cell lines at sub-micromolar concentrations with obvious selectivity toward colon cancer cell line COLO 205.
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Affiliation(s)
| | - Dilek Şatana
- b Department of Microbiology and Clinical Microbiology , Istanbul Faculty of Medicine , and
| | - Gül Özhan
- c Department of Pharmaceutical Toxicology , Faculty of Pharmacy, Istanbul University , Istanbul , Turkey
| | - Gültaze Çapan
- a Department of Pharmaceutical Chemistry , Faculty of Pharmacy
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Ozadali K, Unsal Tan O, Yogeeswari P, Dharmarajan S, Balkan A. Synthesis and antimycobacterial activities of some new thiazolylhydrazone derivatives. Bioorg Med Chem Lett 2014; 24:1695-7. [DOI: 10.1016/j.bmcl.2014.02.052] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Revised: 02/17/2014] [Accepted: 02/19/2014] [Indexed: 10/25/2022]
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12
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Cihan-Üstündağ G, Capan G. Synthesis and evaluation of functionalized indoles as antimycobacterial and anticancer agents. Mol Divers 2012; 16:525-39. [PMID: 22893206 DOI: 10.1007/s11030-012-9385-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2012] [Accepted: 07/25/2012] [Indexed: 11/30/2022]
Abstract
A new series of 5-fluoro-N(2)-(cyclohexylidene)-3-phenyl-1H-indole-2-carbohydrazides (6a-6e) and their cyclization products 5-fluoro-N-(3-oxo-1-thia-4-azaspiro [4.5]dec-4-yl)-3-phenyl-1H-indole-2-carboxamides (7a-7e, 8a-8e) have been synthesized and evaluated for in vitro antimycobacterial activity against Mycobacterium tuberculosis H37Rv using the Microplate Alamar Blue Assay (MABA). Compounds showed moderate to good inhibitory activity at 6.25 μg/mL. Among them, 7b, 7d, 8b, and 8d were the most potent analogs with an inhibition range of 91-95 %. Additionally, compounds 6a, 7a, 7e, 8a, and 8e were subjected to the National Cancer Institute's (NCI) in vitro disease-oriented antitumor screening to be evaluated for antitumor activity. 8e, the most potent compound examined, displayed broad spectrum antiproliferative activity with particular selectivity against four leukemia cell lines (CCRF-CEM, HL-60 (TB), K-562, and RPMI-8226) with log (10) GI (50) values between -5.68 and -6.09.
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Affiliation(s)
- Gökçe Cihan-Üstündağ
- Department of Pharmaceutical Chemistry, Istanbul University, Beyazıt 34116, Istanbul, Turkey.
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Recent advances in the design and synthesis of heterocycles as anti-tubercular agents. Future Med Chem 2011; 2:1469-500. [PMID: 21426140 DOI: 10.4155/fmc.10.227] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Due to the unusual structure and chemical composition of the mycobacterial cell wall, effective tuberculosis (TB) treatment is difficult, making many antibiotics ineffective and hindering the entry of drugs. With approximately 33% of infection, TB is still the second most deadly infectious disease worldwide. The reasons for this are drug-resistant TB (multidrug resistant and extensively drug resistant), persistent infection (latent TB) and synergism of TB with HIV; furthermore no new chemical entity has emerged in last 40 years. New data available from the recently sequenced genome of the mycobacterium and the application of methods of modern drug design promise much for the fight against this disease. In this review, we present an introduction to TB, followed by an overview of new heterocyclic anti-tubercular moieties published during the last decade.
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