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Ganesh BH, Raj AG, Aruchamy B, Nanjan P, Drago C, Ramani P. Pyrrole: A Decisive Scaffold for the Development of Therapeutic Agents and Structure-Activity Relationship. ChemMedChem 2024; 19:e202300447. [PMID: 37926686 DOI: 10.1002/cmdc.202300447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 10/25/2023] [Accepted: 11/01/2023] [Indexed: 11/07/2023]
Abstract
An overview of pyrroles as distinct scaffolds with therapeutic potential and the significance of pyrrole derivatives for drug development are provided in this article. It lists instances of naturally occurring pyrrole-containing compounds and describes the sources of pyrroles in nature, including plants and microbes. It also explains the many conventional and modern synthetic methods used to produce pyrroles. The key topics are the biological characteristics, pharmacological behavior, and functional alterations displayed by pyrrole derivatives. It also details how pyrroles are used to treat infectious diseases. It describes infectious disorders resistant to standard treatments and discusses the function of compounds containing pyrroles in combating infectious diseases. Furthermore, the review covers the uses of pyrrole derivatives in treating non-infectious diseases and resistance mechanisms in non-infectious illnesses like cancer, diabetes, and Alzheimer's and Parkinson's diseases. The important discoveries and probable avenues for pyrrole research are finally summarized, along with their significance for medicinal chemists and drug development. A reference from the last two decades is included in this review.
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Affiliation(s)
- Bharathi Hassan Ganesh
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE-AMGT), Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Anirudh G Raj
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Baladhandapani Aruchamy
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE-AMGT), Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Pandurangan Nanjan
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
| | - Carmelo Drago
- Institute of Biomolecular Chemistry CNR, via Paolo Gaifami 18, 95126, Catania, Italy
| | - Prasanna Ramani
- Dhanvanthri Laboratory, Department of Sciences, Amrita School of Physical Sciences, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
- Center of Excellence in Advanced Materials & Green Technologies (CoE-AMGT), Amrita School of Engineering, Coimbatore, 641112, Amrita Vishwa Vidyapeetham, India
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Asif M, Qusty NF, Alghamdi S. An Overview of Various Rifampicin Analogs against Mycobacterium tuberculosis and their Drug Interactions. Med Chem 2024; 20:268-292. [PMID: 37855280 DOI: 10.2174/0115734064260853230926080134] [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: 06/10/2023] [Revised: 07/14/2023] [Accepted: 08/12/2023] [Indexed: 10/20/2023]
Abstract
The success of the TB control program is hampered by the major issue of drug-resistant tuberculosis (DR-TB). The situation has undoubtedly been made more difficult by the widespread and multidrug-resistant (XDR) strains of TB. The modification of existing anti-TB medications to produce derivatives that can function on resistant TB bacilli is one of the potential techniques to overcome drug resistance affordably and straightforwardly. In comparison to novel pharmaceuticals for drug research and progress, these may have a better half-life and greater bioavailability, be more efficient, and serve as inexpensive alternatives. Mycobacterium tuberculosis, which is drugsusceptible or drug-resistant, is effectively treated by several already prescribed medications and their derivatives. Due to this, the current review attempts to give a brief overview of the rifampicin derivatives that can overcome the parent drug's resistance and could, hence, act as useful substitutes. It has been found that one-third of the global population is affected by M. tuberculosis. The most common cause of infection-related death can range from latent TB to TB illness. Antibiotics in the rifamycin class, including rifampicin or rifampin (RIF), rifapentine (RPT), and others, have a special sterilizing effect on M. tuberculosis. We examine research focused on evaluating the safety, effectiveness, pharmacokinetics, pharmacodynamics, risk of medication interactions, and other characteristics of RIF analogs. Drug interactions are especially difficult with RIF because it must be taken every day for four months to treat latent TB infection. RIF continues to be the gold standard of treatment for drug-sensitive TB illness. RIF's safety profile is well known, and the two medicines' adverse reactions have varying degrees of frequency. The authorized once-weekly RPT regimen is insufficient, but greater dosages of either medication may reduce the amount of time needed to treat TB effectively.
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Affiliation(s)
- Mohammad Asif
- Department of Pharmaceutical Chemistry, Era College of Pharmacy, Era University, Lucknow, 226003, Uttar Pradesh, India
| | - Naeem F Qusty
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al‒Qura University, Makkah, 21955, Saudi Arabia
| | - Saad Alghamdi
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al‒Qura University, Makkah, 21955, Saudi Arabia
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3
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Kumar G, C A. Natural products and their analogues acting against Mycobacterium tuberculosis: A recent update. Drug Dev Res 2023; 84:779-804. [PMID: 37086027 DOI: 10.1002/ddr.22063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 02/28/2023] [Accepted: 04/01/2023] [Indexed: 04/23/2023]
Abstract
Tuberculosis (TB) remains one of the deadliest infectious diseases caused by Mycobacterium tuberculosis (M.tb). It is responsible for significant causes of mortality and morbidity worldwide. M.tb possesses robust defense mechanisms against most antibiotic drugs and host responses due to their complex cell membranes with unique lipid molecules. Thus, the efficacy of existing front-line drugs is diminishing, and new and recurring cases of TB arising from multidrug-resistant M.tb are increasing. TB begs the scientific community to explore novel therapeutic avenues. A precise knowledge of the compounds with their mode of action could aid in developing new anti-TB agents that can kill latent and actively multiplying M.tb. This can help in the shortening of the anti-TB regimen and can improve the outcome of treatment strategies. Natural products have contributed several antibiotics for TB treatment. The sources of anti-TB drugs/inhibitors discussed in this work are target-based identification/cell-based and phenotypic screening from natural products. Some of the recently identified natural products derived leads have reached clinical stages of TB drug development, which include rifapentine, CPZEN-45, spectinamide-1599 and 1810. We believe these anti-TB agents could emerge as superior therapeutic compounds to treat TB over known Food and Drug Administration drugs.
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Affiliation(s)
- Gautam Kumar
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research-Hyderabad, Hyderabad, Telangana, India
| | - Amrutha C
- Department of Natural Products, Chemical Sciences, National Institute of Pharmaceutical Education and Research-Hyderabad, Hyderabad, Telangana, India
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Study of drug interaction, mutant frequency and mutant prevention concentration of DFMBT against Mycobacterium tuberculosis H37RV. Microb Pathog 2023; 176:106023. [PMID: 36736799 DOI: 10.1016/j.micpath.2023.106023] [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: 10/06/2022] [Revised: 01/31/2023] [Accepted: 02/01/2023] [Indexed: 02/04/2023]
Abstract
In the present study 7,7-Dimethyl-4-(4-trifluoromethyl-phenylamino)-2,4,4a,6,7,8-hexahydro-benzo[d] [1,3]thiazin-5-one (DFMBT) was synthesized and evaluated for in vitro activity against Mycobacterium tuberculosis (M.tb) H37RV. Results demonstrated that at 64x MIC, DFMBT completely sterilized the TB culture from day 4 of the incubation whereas at 32 and 16x MIC, it sterilized the TB culture from day 8. The bacterial cultures were completely sterilized by DFMBT at 8x MIC from day 16 of incubation. DFMBT showed 1.5 μg/mL MIC value as compared to the standard anti-tuberculosis drugs using broth macro-dilution method. The MBC value of DFMBT was found to be 6.0 μg/mL whereas for INH, RIF, AMK and LVX the values were found to be 0.312, 0.156, 5.0 and 5.0 μg/mL, respectively. The DFMBT in combination with INH/RIF or AMK showed the ∑FIC value of 0.258, 0.252 and 0.453, respectively indicating synergistic interaction. Moreover, the value of ∑FIC for the combination of DFMBT with LVX was found to be 1.33 suggesting and additive interaction. The post antibiotic effect of DFMBT at 1x and 64x MIC was found to be 29.89 ± 10.12 and 158.75 ± 17.50 h, respectively. The DFMBT showed an MPC value of 150 μg/mL which was intermediate between INH and RIF. In summary, DFMBT exhibits bacteriostatic as well as bactericidal effect on Mycobacterium tuberculosis H37RV. It has synergistic interaction with INH, RIF and AMK anti-TB drugs, descent post antibiotic effect, mutation frequency and mutant prevention concentration. Thus, DFMBT may be developed as an effective agent as anti-TB compound.
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Emerging impact of triazoles as anti-tubercular agent. Eur J Med Chem 2022; 238:114454. [PMID: 35597009 DOI: 10.1016/j.ejmech.2022.114454] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 05/04/2022] [Accepted: 05/08/2022] [Indexed: 01/08/2023]
Abstract
Tuberculosis, a disease of poverty is a communicable infection with a reasonably high mortality rate worldwide. 10 Million new cases of TB were reported with approx 1.4 million deaths in the year 2019. Due to the growing number of drug-sensitive and drug-resistant tuberculosis cases, there is a vital need to develop new and effective candidates useful to combat this deadly disease. Despite tremendous efforts to identify a mechanism-based novel antitubercular agent, only a few have entered into clinical trials in the last six decades. In recent years, triazoles have been well explored as the most valuable scaffolds in drug discovery and development. Triazole framework possesses favorable properties like hydrogen bonding, moderate dipole moment, enhanced water solubility, and also the ability to bind effectively with biomolecular targets of M. tuberculosis and therefore this scaffold displayed excellent potency against TB. This review is an endeavor to summarize an up-to-date innovation of triazole-appended hybrids during the last 10 years having potential in vitro and in vivo antitubercular activity with structure activity relationship analysis. This review may help medicinal chemists to explore the triazole scaffolds for the rational design of potent drug candidates having better efficacy, improved selectivity and minimal toxicity so that these hybrid NCEs can effectively be explored as potential lead to fight against M. tuberculosis.
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Meeran IS, Raja TW, Dusthakeer VNA, Ali MMN, Tajudeen SS, Shabeer TK. An insight into antimycobacterial and antioxidant potentials of INH-Schiff base complexes and in silico targeting of MtKasB receptor of M. tuberculosis. NEW J CHEM 2022. [DOI: 10.1039/d1nj04977a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Isoniazid Schiff base complexes synthesized by the molecular hybridization strategy revealed enhanced anti-tubercular (100% killing of M. tb strain) and antioxidant activities.
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Affiliation(s)
- I. Salim Meeran
- The New College (Autonomous), Chennai – 600 014, Tamil Nadu, India
| | - T. William Raja
- Entomology Research Institute, Loyola College, Chennai – 600 034, Tamil Nadu, India
- Bishop Haber College (Autonomous), Tiruchirapalli-620017, Tamil Nadu, India
| | | | | | - S. Syed Tajudeen
- C. Abdul Hakeem College (Autonomous), Melvisharam – 632 509, Tamil Nadu, India
| | - T. K. Shabeer
- The New College (Autonomous), Chennai – 600 014, Tamil Nadu, India
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Davies-Bolorunduro OF, Ajayi A, Adeleye IA, Kristanti AN, Aminah NS. Bioprospecting for antituberculosis natural products – A review. OPEN CHEM 2021. [DOI: 10.1515/chem-2021-0095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Abstract
There has been an increase in the reported cases of tuberculosis, a disease caused by Mycobacterium tuberculosis, which is still currently affecting most of the world’s population, especially in resource-limited countries. The search for novel antitubercular chemotherapeutics from underexplored natural sources is therefore of paramount importance. The renewed interest in studies related to natural products, driven partly by the growing incidence of MDR-TB, has increased the prospects of discovering new antitubercular drug leads. This is because most of the currently available chemotherapeutics such as rifampicin and capreomycin used in the treatment of TB were derived from natural products, which are proven to be an abundant source of novel drugs used to treat many diseases. To meet the global need for novel antibiotics from natural sources, various strategies for high-throughput screening have been designed and implemented. This review highlights the current antitubercular drug discovery strategies from natural sources.
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Affiliation(s)
- Olabisi Flora Davies-Bolorunduro
- Centre for Tuberculosis Research, Nigerian Institute of Medical Research , Yaba , Lagos , Nigeria
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga , Surabaya , Indonesia
| | - Abraham Ajayi
- Molecular Biology and Biotechnology Department, Nigerian Institute of Medical Research , Yaba , Lagos , Nigeria
- Department of Microbiology, University of Lagos , Akoka , Lagos , Nigeria
| | | | - Alfinda Novi Kristanti
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga , Surabaya , Indonesia
- Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga , Surabaya , Indonesia
| | - Nanik Siti Aminah
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga , Surabaya , Indonesia
- Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga , Surabaya , Indonesia
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Guerrero Manriquez GG, Tuero I. Adjuvants: friends in vaccine formulations against infectious diseases. Hum Vaccin Immunother 2021; 17:3539-3550. [PMID: 34288795 DOI: 10.1080/21645515.2021.1934354] [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] [Indexed: 12/15/2022] Open
Abstract
Infectious diseases represent a major cause of deaths worldwide. No vaccine or effective treatment exists nowadays, especially against intracellular pathogens. The increase in multiple drug and superbug antibiotic resistance strains, excessive medication, or misuse of drugs has prompted the search for other safe and effective alternatives. Consistent with this, adjuvants (Latin word "adjuvare": "help or aid") co-administered (Exo) in vaccines have emerged as a promising alternative to initiate and boost an innate, downstream signal that led to adaptative immune response. Nowadays, a promising model of strong immunogens and adjuvants at mucosal sites are the microbial bacterial toxins. Other adjuvants that are also used and might successfully replace aluminum salts in combination with nanotechnology are CpG-ODN, poly IC, type I IFNs, mRNA platforms. Therefore, in the present review, we focused to revisit the old to the new adjuvants compounds, the properties that make them friends in vaccine formulations against infectious diseases.
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Affiliation(s)
| | - I Tuero
- Faculty of Science and Phylosophy, Universidad Peruana Cayetano Heredia, Lima, Peru
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Tiwari VK. Development of Diverse Range of Biologically Relevant Carbohydrate-Containing Molecules: Twenty Years of Our Journey*. CHEM REC 2021; 21:3029-3048. [PMID: 34047444 DOI: 10.1002/tcr.202100058] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/02/2021] [Indexed: 11/12/2022]
Abstract
There is an increasing demand for significant amount of carbohydrate-containing molecules owing to their complete chemical, biological, and pharmacological investigations to better understand their role in many important biological events. Clinical studies of a wide range of simple carbohydrates or their derivatives, glycohybrids, glycoconjugates, and neoglycoconjugates have been conducted worldwide for the successful treatment of various frontline diseases. Herein, a brief perspective of carbohydrate-based molecular scaffolding and my experience during the last 20 years in the area of synthetic carbohydrate chemistry, mainly for their impact in drug discovery & development, is presented.
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Affiliation(s)
- Vinod K Tiwari
- Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, U.P.-221005, India
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Musiyak VV, Nizova IA, Chulakov EN, Sadretdinova LS, Tumashov AA, Levit GL, Krasnov VP. Stereochemical aspects in the synthesis of novel N-(purin-6-yl)dipeptides as potential antimycobacterial agents. Amino Acids 2021; 53:407-415. [PMID: 33599833 PMCID: PMC7889712 DOI: 10.1007/s00726-021-02958-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 02/06/2021] [Indexed: 11/08/2022]
Abstract
The synthesis of purine conjugates with natural amino acids is one of the promising directions in search for novel therapeutic agents, including antimycobacterial agents. The purpose of this study was to synthesize N-(purin-6-yl)dipeptides containing the terminal fragment of (S)-glutamic acid. To obtain the target compounds, two synthetic routes were tested. The first of them is based on coupling of N-(purin-6-yl)-(S)-amino acids to dimethyl (S)-glutamate in the presence of carbodiimide coupling agent followed by the removal of ester groups. However, it turned out that this coupling process was accompanied by racemization of the chiral center of N-(purin-6-yl)-α-amino acids and in all cases led to mixtures of (S,S)- and (R,S)-diastereomers (6:4). Individual (S,S)-diastereomers were obtained using an alternative approach based on the nucleophilic substitution of chlorine in 6-chloropurine or 2-amino-6-chloropurine with corresponding dipeptides as nucleophiles. The enantiomeric purity of the target compounds was confirmed by chiral HPLC. To test the assumption that racemization of the chiral center of N-(purin-6-yl)-α-amino acids occurs with the participation of nitrogen atoms of the imidazole ring via the stage of formation of a chirally labile intermediate, we obtained such structural analogs of N-(purin-6-yl)-(S)-alanine as N-(9-benzylpurin-6-yl)-(S)-alanine and N-(7-deazapurin-6-yl)-(S)-alanine. It was found that coupling of these compounds to dimethyl (S)-glutamate was also accompanied by racemization. This indicates that the imidazole fragment does not play a crucial role in this process. When testing the antimycobacterial activity of some of the obtained compounds, conjugates with moderate activity against the laboratory Mycobacterium tuberculosis H37Rv strain (MIC 3.1–6.25 μg/mL) were identified.
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Affiliation(s)
- Vera V Musiyak
- Postovsky Institute of Organic Synthesis of RAS (Ural Branch), 22/20, S. Kovalevskoy/Akademicheskaya St., Ekaterinburg, 620108, Russia
| | - Irina A Nizova
- Postovsky Institute of Organic Synthesis of RAS (Ural Branch), 22/20, S. Kovalevskoy/Akademicheskaya St., Ekaterinburg, 620108, Russia
| | - Evgeny N Chulakov
- Postovsky Institute of Organic Synthesis of RAS (Ural Branch), 22/20, S. Kovalevskoy/Akademicheskaya St., Ekaterinburg, 620108, Russia
| | - Liliya Sh Sadretdinova
- Postovsky Institute of Organic Synthesis of RAS (Ural Branch), 22/20, S. Kovalevskoy/Akademicheskaya St., Ekaterinburg, 620108, Russia
| | - Andrey A Tumashov
- Postovsky Institute of Organic Synthesis of RAS (Ural Branch), 22/20, S. Kovalevskoy/Akademicheskaya St., Ekaterinburg, 620108, Russia.,Ural Federal University, 19, Mira St., Ekaterinburg, 620002, Russia
| | - Galina L Levit
- Postovsky Institute of Organic Synthesis of RAS (Ural Branch), 22/20, S. Kovalevskoy/Akademicheskaya St., Ekaterinburg, 620108, Russia
| | - Victor P Krasnov
- Postovsky Institute of Organic Synthesis of RAS (Ural Branch), 22/20, S. Kovalevskoy/Akademicheskaya St., Ekaterinburg, 620108, Russia. .,Ural Federal University, 19, Mira St., Ekaterinburg, 620002, Russia.
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Reddy DS, Kongot M, Kumar A. Coumarin hybrid derivatives as promising leads to treat tuberculosis: Recent developments and critical aspects of structural design to exhibit anti-tubercular activity. Tuberculosis (Edinb) 2021; 127:102050. [PMID: 33540334 DOI: 10.1016/j.tube.2020.102050] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 12/14/2020] [Accepted: 12/29/2020] [Indexed: 11/29/2022]
Abstract
Tuberculosis (TB) is a highly contagious airborne disease with nearly 25% of the world's population infected with it. Challenges such as multi drug resistant TB (MDR-TB), extensive drug resistant TB (XDR-TB) and in rare cases totally drug resistant TB (TDR-TB) emphasizes the critical and urgent need in developing novel TB drugs. Moreover, the prolonged and multi drug treatment regime suffers a major drawback due to high toxicity and vulnerability in TB patients. This calls for intensified research efforts in identifying novel molecular scaffolds which can combat these issues with minimal side effects. In this pursuit, researchers have screened many bio-active molecules among which coumarin have been identified as promising candidates for TB drug discovery and development. Coumarins are naturally occurring compounds known for their low toxicity and varied biological activity. The biological spectrum of coumarin has intrigued medicinal researchers to investigate coumarin scaffolds for their relevance as anti-TB drugs. In this review we focus on the recent developments of coumarin and its critical aspects of structural design required to exhibit anti-tubercular (anti-TB) activity. The information provided will help medicinal chemists to design and identify newer molecular analogs for TB treatment and also broadens the scope of exploring future generation potent yet safer coumarin based anti-TB agents.
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Affiliation(s)
- Dinesh S Reddy
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Jakkasandra Post, Bangalore, 562112, India
| | - Manasa Kongot
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Jakkasandra Post, Bangalore, 562112, India
| | - Amit Kumar
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Jakkasandra Post, Bangalore, 562112, India.
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12
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Quantitative structure-activity relationship (QSAR) and molecular docking of xanthone derivatives as anti-tuberculosis agents. J Clin Tuberc Other Mycobact Dis 2020; 21:100203. [PMID: 33294629 PMCID: PMC7695880 DOI: 10.1016/j.jctube.2020.100203] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Quantitative structure–activity relationship (QSAR) and molecular docking approach were carried out to design novel anti-tuberculosis agents based on xanthone derivatives. QSAR designed new compounds were calculated by Austin Model 1 (AM1) methods and analysis of multi-linear regression (MLR). The result showed that the best model as follows: Log IC50 = 3.113 + 11.627 qC1 + 15.955 qC4 + 11.702 qC9, this result has appropriate some statistical parameters (PRESS = 2.11, r2 = 0.730, SEE = 0. 3545, R = 0.6827, FCal/FTab = 4.68), and being used to design a potential anti-tuberculosis drugs with substituted amide, sulfoxide, and carboxylate group xanthone scaffold by a number of their inhibitory concentration (IC50). The mechanism action of sulfonamide substituted on the xanthone scaffold as anti-tuberculosis was carried out using molecular docking. Docking inhibition studies were carried out on MTB C171Q receptor (4C6X.pdb) as KasA inhibitors using by the discovery studio. Based on the binding interaction showed, the sulfonamide substituted xanthone has potential being the anti-tuberculosis drugs by KasA inhibitor for target drug activity.
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Mohamed NA, Abd El‐Ghany NA, Fahmy MM, Abdel‐Aziz MM. Phthalimido thioureas with high antimicrobial performance as stabilizers for enhancement of the thermal stability of poly(vinyl chloride) loaded with multi‐walled carbon nanotubes. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5179] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Nadia A. Mohamed
- Department of Chemistry, Faculty of Science Cairo University Giza Egypt
- Department of Chemistry College of Science and Arts, Qassim University Buraydah Saudi Arabia
| | | | - Mona M. Fahmy
- Department of Chemistry, Faculty of Science Cairo University Giza Egypt
| | - Marwa M. Abdel‐Aziz
- Regional Center for Mycology and Biotechnology Al‐Azhar University Cairo Egypt
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Bouz G, Semelková L, Janďourek O, Konečná K, Paterová P, Navrátilová L, Kubíček V, Kuneš J, Doležal M, Zitko J. Derivatives of 3-Aminopyrazine-2-carboxamides: Synthesis, Antimicrobial Evaluation, and in Vitro Cytotoxicity. Molecules 2019; 24:molecules24071212. [PMID: 30925695 PMCID: PMC6479349 DOI: 10.3390/molecules24071212] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/15/2019] [Accepted: 03/22/2019] [Indexed: 01/21/2023] Open
Abstract
We report the design, synthesis, and in vitro antimicrobial activity of a series of N-substituted 3-aminopyrazine-2-carboxamides with free amino groups in position 3 on the pyrazine ring. Based on various substituents on the carboxamidic moiety, the series is subdivided into benzyl, alkyl, and phenyl derivatives. The three-dimensional structures of the title compounds were predicted using energy minimization and low mode molecular dynamics under AMBER10:EHT forcefield. Compounds were evaluated for antimycobacterial, antibacterial, and antifungal activities in vitro. The most active compound against Mycobacterium tuberculosis H37Rv (Mtb) was 3-amino-N-(2,4-dimethoxyphenyl)pyrazine-2-carboxamide (17, MIC = 12.5 µg/mL, 46 µM). Antimycobacterial activity against Mtb and M. kansasii along with antibacterial activity increased among the alkyl derivatives with increasing the length of carbon side chain. Antibacterial activity was observed for phenyl and alkyl derivatives, but not for benzyl derivatives. Antifungal activity was observed in all structural subtypes, mainly against Trichophyton interdigitale and Candida albicans. The four most active compounds (compounds 10, 16, 17, 20) were evaluated for their in vitro cytotoxicity in HepG2 cancer cell line; only compound 20 was found to exert some level of cytotoxicity. Compounds belonging to the current series were compared to previously published, structurally related compounds in terms of antimicrobial activity to draw structure activity relationships conclusions.
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Affiliation(s)
- Ghada Bouz
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Lucia Semelková
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Ondřej Janďourek
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Klára Konečná
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Pavla Paterová
- Department of Clinical Microbiology, Faculty Hospital, Sokolská 581, 500 05 Hradec Králové, Czech Republic.
| | - Lucie Navrátilová
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Vladimír Kubíček
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Jiří Kuneš
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Martin Doležal
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
| | - Jan Zitko
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 500 05 Hradec Králové, Czech Republic.
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15
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Reyes-Rodríguez GJ, Rezayee NM, Vidal-Albalat A, Jørgensen KA. Prevalence of Diarylprolinol Silyl Ethers as Catalysts in Total Synthesis and Patents. Chem Rev 2019; 119:4221-4260. [DOI: 10.1021/acs.chemrev.8b00583] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Nomaan M. Rezayee
- Department of Chemistry, Aarhus University, DK-8000 Aarhus C, Denmark
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16
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Das R, Asthana GS, Suri KA, Mehta D, Asthana A. Recent Developments in Azole Compounds as Antitubercular Agent. MINI-REV ORG CHEM 2019. [DOI: 10.2174/1570193x15666180622144414] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Tuberculosis (TB) is a global health disaster and is a wide-reaching hitch. The improper use of antibiotics in chemotherapy of TB patients led to the current problem of tuberculosis therapy which gives rise to Multi-Drug Resistant (MDR) strains. Nitrogen heterocycles including azole compounds are an important class of therapeutic agent with electron-rich property. Azole-based derivatives easily bind with the enzymes and receptors in organisms through noncovalent interactions, thereby possessing various applications in medicinal chemistry. Research on azoles derivatives have been expansively carried out and have become one of the extremely active area in recent years and the progress is quite rapid. A genuine attempt to review chemistry of azoles and to describe various azole-based compounds synthesized in the last two decades having promising antitubercular potential is described in the present article. It is hopeful that azole compounds may continue to serve as an important direction for the exploitation of azole-based antitubercular drugs with better curative effect, lower toxicity, less side effects, especially fewer resistances and so on.
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Affiliation(s)
- Rina Das
- MMCP, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207. HR, India
| | - Gyati S. Asthana
- MMCP, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207. HR, India
| | | | - Dinesh Mehta
- MMCP, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207. HR, India
| | - Abhay Asthana
- MMCP, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133207. HR, India
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17
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Hou XM, Wang CY, Gerwick WH, Shao CL. Marine natural products as potential anti-tubercular agents. Eur J Med Chem 2019; 165:273-292. [PMID: 30685527 DOI: 10.1016/j.ejmech.2019.01.026] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 02/01/2023]
Abstract
Tuberculosis has been one of the greatest global health challenges of all time. Although the current first-line anti-tuberculosis (anti-TB) medicines used in the clinic have reduced mortality, multidrug-resistance and extensively drug-resistance forms of the disease have now spread worldwide and become a global problem. Even so, few new clinically approved drugs have emerged during the past 30 years. Highly biodiverse marine organisms have received considerable attention for drug discovery in the past couple of decades, and emerging TB drug resistance has motivated interest in assessing marine natural products (MNPs) in the treatment of this disease. So far, more than 170 compounds have been isolated from marine organisms with anti-TB properties, ten of which exhibit potent activity and have the potential for further development. This review systematically surveys MNPs with anti-TB activity and illustrates the impact of these compounds on drug discovery research against tuberculosis.
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Affiliation(s)
- Xue-Mei Hou
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, People's Republic of China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266200, People's Republic of China
| | - Chang-Yun Wang
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, People's Republic of China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266200, People's Republic of China
| | - William H Gerwick
- Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography and Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, La Jolla, CA, 92093, United States.
| | - Chang-Lun Shao
- Key Laboratory of Marine Drugs, The Ministry of Education of China, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, People's Republic of China; Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266200, People's Republic of China.
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18
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Synthesis and antimycobacterial activity of purine conjugates with (S)-lysine and (S)-ornithine. MENDELEEV COMMUNICATIONS 2019. [DOI: 10.1016/j.mencom.2019.01.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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19
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Molecular modeling, spectroscopic and structural studies on newly synthesized ligand N-benzoyl-2-isonicotinoylhydrazine-1-carboxamide. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2018.05.107] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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20
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Adeniji SE, Uba S, Uzairu A. Theoretical modeling and molecular docking simulation for investigating and evaluating some active compounds as potent anti-tubercular agents against MTB CYP121 receptor. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2018. [DOI: 10.1016/j.fjps.2018.10.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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21
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Danne AB, Choudhari AS, Sarkar D, Sangshetti JN, Khedkar VM, Shingate BB. Synthesis and biological evaluation of novel triazole-biscoumarin conjugates as potential antitubercular and anti-oxidant agents. RESEARCH ON CHEMICAL INTERMEDIATES 2018. [DOI: 10.1007/s11164-018-3490-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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22
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Kusuma SAF, Iskandar Y, Dewanti MA. The ethanolic extract of ashitaba stem ( Angelica keskei [Miq.] Koidz) as future antituberculosis. J Adv Pharm Technol Res 2018; 9:37-41. [PMID: 29441323 PMCID: PMC5801586 DOI: 10.4103/japtr.japtr_283_17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Considering the easy contagion of tuberculosis (TB) disease spread and the emergence of multidrug-resistant TB, which directly impacts the failure of therapeutic goals and mortality rates increasing, TB disease control remains to be the main concern of continuous health development effort. Therefore, the discovery of new TB drug is needed. This research assessed the new natural anti-TB drug from the ethanolic extract of Angelica keiskei stem obtained from Lombok, Indonesia. The objectives of this study were to evaluate the sensitivity of Mycobacterium tuberculosis (Mtb) H37Rv strain to A. keiskei stem extract and to determine its minimum inhibitory concentration (MIC). The extraction methods of A. keiskei stem were done using a maceration method. In addition to phytochemical screening and water content analysis using standard method, the phytochemical parameters were analyzed by thin-layer chromatography. Ethanolic extract of A. keiskei stem was assayed for their Mtb inhibitory activity using the proportion method. The phytochemical analysis result showed that the secondary metabolites contain in the extract were flavonoid, polyphenol, tannin, monoterpenoid and sesquiterpen, quinon, and saponin. The anti-TB test result showed the active activity of ethanolic extract of A. keiskei against Mtb H37Rv strain with MIC ranging from 6% to 8% w/v. In conclusion, ethanolic extract of A. keiskei is a prospective natural anti-TB for the future.
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Affiliation(s)
- Sri Agung Fitri Kusuma
- Department of Biology Pharmacy, Faculty of Pharmacy, Padjadjaran University, Jawa Barat, Indonesia
| | - Yoppi Iskandar
- Department of Biology Pharmacy, Faculty of Pharmacy, Padjadjaran University, Jawa Barat, Indonesia
| | - Mutiara Ayu Dewanti
- Department of Biology Pharmacy, Faculty of Pharmacy, Padjadjaran University, Jawa Barat, Indonesia
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23
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Synthesis and antimycobacterial activity of novel purin-6-yl and 2-aminopurin-6-yl conjugates with ( S )-aspartic and ( S )-glutamic acids. MENDELEEV COMMUNICATIONS 2017. [DOI: 10.1016/j.mencom.2017.11.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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24
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Mishra SK, Tripathi G, Kishore N, Singh RK, Singh A, Tiwari VK. Drug development against tuberculosis: Impact of alkaloids. Eur J Med Chem 2017. [DOI: 10.1016/j.ejmech.2017.06.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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25
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dos Santos ER, Corrêa RS, Pozzi LV, Graminha AE, Selistre-de-Araújo HS, Pavan FR, Batista AA. Antitumor and anti-Mycobacterium tuberculosis agents based on cationic ruthenium complexes with amino acids. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2017.04.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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26
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Chavan PV, Pandit KS, Desai UV, Wadgaonkar PP, Nawale L, Bhansali S, Sarkar D. Click-chemistry-based multicomponent condensation approach for design and synthesis of spirochromene-tethered 1,2,3-triazoles as potential antitubercular agents. RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-2955-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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27
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Synthesis of a new class of bisheterocycles via the Heck reaction of eudesmane type methylene lactones with 8-bromoxanthines. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.03.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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28
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Dheer D, Singh V, Shankar R. Medicinal attributes of 1,2,3-triazoles: Current developments. Bioorg Chem 2017; 71:30-54. [PMID: 28126288 DOI: 10.1016/j.bioorg.2017.01.010] [Citation(s) in RCA: 529] [Impact Index Per Article: 75.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 12/06/2016] [Accepted: 01/15/2017] [Indexed: 02/01/2023]
Abstract
1,2,3-Triazoles are important five-membered heterocyclic scaffold due to their extensive biological activities. This framework can be readily obtained in good to excellent yields on the multigram scale through click chemistry via reaction of aryl/alkyl halides, alkynes and NaN3 under ambient conditions. It has been an emerging area of interest for many researchers throughout the globe owing to its immense pharmacological scope. The present work aims to summarize the current approaches adopted for the synthesis of the 1,2,3-triazole and medicinal significance of these architectures as a lead structure for the discovery of drug molecules such as COX-1/COX-2 inhibitors (celecoxib, pyrazofurin), HIV protease inhibitors, CB1 cannabinoid receptor antagonist and much more which are in the pipeline of clinical trials. The emphasis has been given on the major advancements in the medicinal prospectus of this pharmacophore for the period during 2008-2016.
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Affiliation(s)
- Divya Dheer
- Academy of Scientific and Innovative Research (AcSIR), CSIR-IIIM, Jammu Campus, Jammu 180001, India; Bio-organic Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India
| | - Virender Singh
- Department of Chemistry, National Institute of Technology (NIT), Jalandhar 144011, Punjab, India
| | - Ravi Shankar
- Academy of Scientific and Innovative Research (AcSIR), CSIR-IIIM, Jammu Campus, Jammu 180001, India; Bio-organic Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu 180001, India.
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29
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Saharan VD, Mahajan SS. Development of gallic acid formazans as novel enoyl acyl carrier protein reductase inhibitors for the treatment of tuberculosis. Bioorg Med Chem Lett 2017; 27:808-815. [PMID: 28117201 DOI: 10.1016/j.bmcl.2017.01.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 12/09/2016] [Accepted: 01/10/2017] [Indexed: 01/16/2023]
Abstract
The enoyl acyl carrier protein reductase (InhA) of Mycobacterium tuberculosis (MTB) is an attractive target for developing novel antitubercular agents. A series of gallic acid formazans, were computationally designed and docked into the active site of InhA to understand their binding mode and potential to inhibit InhA. Nine compounds from the designed series were identified as potential InhA inhibitors, on the basis of good Glide score. These compounds were synthesized in the laboratory and evaluated for in vitro antitubercular activity against drug-sensitive and multi-drug resistant strains of MTB. Out of nine compounds, three compounds exhibited the most promising MIC of <2μM against the sensitive strain of MTB, H37Rv. The compounds were evaluated against five resistant strains of MTB. Most of the compounds exhibited activity superior to the standard, linezolid, against all these resistant strains. The mechanism of action of these compounds was concluded to be InhA inhibition, through InhA enzyme inhibition study. Insignificant cytotoxicity of these compounds was observed on RAW 264.7 cell line. Inactivity of all these compounds against gram positive and gram negative bacteria indicated their specificity against MTB. The compounds were further analyzed for ADME properties and showed potential as good oral drug candidates. The results clearly identified some novel, selective and specific InhA inhibitors against sensitive and resistant strains of MTB.
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Affiliation(s)
- Vanita D Saharan
- Department of Pharmaceutical Chemistry, C.U. Shah College of Pharmacy, S.N.D.T. Women's University, Sir Vithaldas Vidyavihar, Juhu Tara Road, Santacruz (West), Mumbai 400049, India.
| | - Supriya S Mahajan
- Department of Pharmaceutical Chemistry, C.U. Shah College of Pharmacy, S.N.D.T. Women's University, Sir Vithaldas Vidyavihar, Juhu Tara Road, Santacruz (West), Mumbai 400049, India
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30
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Bernuci KZ, Iwanaga CC, Fernadez-Andrade CMM, Lorenzetti FB, Torres-Santos EC, Faiões VDS, Gonçalves JE, do Amaral W, Deschamps C, Scodro RBDL, Cardoso RF, Baldin VP, Cortez DAG. Evaluation of Chemical Composition and Antileishmanial and Antituberculosis Activities of Essential Oils of Piper Species. Molecules 2016; 21:E1698. [PMID: 27973453 PMCID: PMC6273537 DOI: 10.3390/molecules21121698] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Revised: 11/18/2016] [Accepted: 12/02/2016] [Indexed: 12/27/2022] Open
Abstract
Essential oils from fresh Piperaceae leaves were obtained by hydrodistillation and analyzed by gas chromatography mass spectrometry (GC-MS), and a total of 68 components were identified. Principal components analysis results showed a chemical variability between species, with sesquiterpene compounds predominating in the majority of species analyzed. The composition of the essential oil of Piper mosenii was described for the first time. The cytotoxicity of the essential oils was evaluated in peritoneal macrophages and the oils of P. rivinoides, P. arboretum, and P. aduncum exhibited the highest values, with cytotoxic concentration at 50% (CC50) > 200 µg/mL. Both P. diospyrifolium and P. aduncum displayed activity against Leishmania amazonensis, and were more selective for the parasite than for the macrophages, with a selectivity index (SI) of 2.35 and >5.52, respectively. These SI values were greater than the 1 for the standard drug pentamidine. The antileishmanial activity of the essential oils of P. diospyrifolium and P. aduncum was described for the first time. P. rivinoides, P. cernuum, and P. diospyrifolium displayed moderate activity against the Mycobacterium tuberculosis H37Rv bacillus, with a minimum inhibitory concentration (MIC) of 125 µg/mL. These results are relevant and suggests their potential for therapeutic purposes. Nevertheless, further studies are required to explain the exact mechanism of action of these essential oils.
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Affiliation(s)
- Karine Zanoli Bernuci
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil.
| | - Camila Cristina Iwanaga
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil.
| | | | - Fabiana Brusco Lorenzetti
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil.
| | - Eduardo Caio Torres-Santos
- Laboratório de Bioquímica de Tripanosomatídeos, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro 21040-900, RJ, Brazil.
| | - Viviane Dos Santos Faiões
- Laboratório de Bioquímica de Tripanosomatídeos, Instituto Oswaldo Cruz, FIOCRUZ, Rio de Janeiro 21040-900, RJ, Brazil.
| | - José Eduardo Gonçalves
- Mestrado em Tecnologias Limpas e Mestrado em Promoção da Saúde, UniCesumar, Av. Guerdner, 1610, Jd. Aclimação, Maringá 87050-390, PR, Brazil.
- Instituto Cesumar de Ciências, Tecnologia e Inovação-ICETI, Av. Guerdner, 1610, Jd. Aclimação, Maringá 87050-390, PR, Brazil.
| | - Wanderlei do Amaral
- Setor de Ciências Agrárias/Departamento de Fitotecnia e Fitossanitaríssimo, Universidade Federal do Paraná, Curitiba 88035-050, PR, Brazil.
| | - Cícero Deschamps
- Setor de Ciências Agrárias/Departamento de Fitotecnia e Fitossanitaríssimo, Universidade Federal do Paraná, Curitiba 88035-050, PR, Brazil.
| | | | - Rosilene Fressatti Cardoso
- Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil.
| | - Vanessa Pietrowski Baldin
- Departamento de Análises Clínicas e Biomedicina, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil.
| | - Diógenes Aparício Garcia Cortez
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Estadual de Maringá, Maringá 87020-900, PR, Brazil.
- Instituto Cesumar de Ciências, Tecnologia e Inovação-ICETI, Av. Guerdner, 1610, Jd. Aclimação, Maringá 87050-390, PR, Brazil.
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31
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Benzimidazole-core as an antimycobacterial agent. Pharmacol Rep 2016; 68:1254-1265. [DOI: 10.1016/j.pharep.2016.08.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Revised: 07/27/2016] [Accepted: 08/04/2016] [Indexed: 12/18/2022]
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32
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Matviiuk T, Madacki J, Mori G, Orena BS, Menendez C, Kysil A, André-Barrès C, Rodriguez F, Korduláková J, Mallet-Ladeira S, Voitenko Z, Pasca MR, Lherbet C, Baltas M. Pyrrolidinone and pyrrolidine derivatives: Evaluation as inhibitors of InhA and Mycobacterium tuberculosis. Eur J Med Chem 2016; 123:462-475. [DOI: 10.1016/j.ejmech.2016.07.028] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 07/13/2016] [Accepted: 07/14/2016] [Indexed: 01/04/2023]
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33
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Karpov P, Demchuk O, Britsun V, Lytvyn D, Pydiura N, Rayevsky A, Samofalova D, Spivak S, Volochnyuk D, Yemets A, Blume Y. New Imidazole Inhibitors of Mycobacterial FtsZ: the Way from High-Throughput Molecular Screening in Grid up to in vitro Verification. SCIENCE AND INNOVATION 2016. [DOI: 10.15407/scine12.03.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
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34
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Rodríguez Arce E, Mosquillo MF, Pérez-Díaz L, Echeverría GA, Piro OE, Merlino A, Coitiño EL, Maríngolo Ribeiro C, Leite CQF, Pavan FR, Otero L, Gambino D. Aromatic amine N-oxide organometallic compounds: searching for prospective agents against infectious diseases. Dalton Trans 2016. [PMID: 26203896 DOI: 10.1039/c5dt00557d] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
In search of prospective agents against infectious diseases, 1,1'-bis(diphenylphosphino)ferrocene pyridine-2-thiolato-1-oxide M(ii) hexafluorophosphate compounds [M(mpo)(dppf)](PF6), where M = palladium or platinum, were synthesized and fully characterized in the solid state and in solution using experimental and DFT computational techniques. The compounds are isomorphous and the M(ii) transition metal ions are in a nearly planar trapezoidal cis-coordination bound to the pyridine-2-thiolato-1-oxide (mpo) and to the 1,1'-bis(diphenylphosphino)ferrocene molecules, both acting as bidentate ligands. Both compounds showed high cytotoxic activity on Trypanosoma cruzi and Mycobacterium tuberculosis (MTB) and acceptable selectivities towards MTB, but good to excellent selectivity index values as anti-T. cruzi compounds. The inclusion of the ferrocene moiety (dppf ligand) improved the selectivity towards the parasite when compared to the previously reported [M(mpo)2] complexes. Related to the probable mechanism of action of the complexes, molecular docking studies on modelled T. cruzi NADH-fumarate reductase (TcFR) predicted that both be very good inhibitors of the enzyme. The effect of the compounds on the enzyme activity was experimentally confirmed using T. cruzi protein extracts. According to all obtained results, both [M(mpo)(dppf)](PF6) compounds could be considered prospective anti-trypanosomal agents that deserve further research.
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Affiliation(s)
- Esteban Rodríguez Arce
- Cátedra de Química Inorgánica, Departamento Estrella Campos, Facultad de Química, Universidad de la República, Gral. Flores 2124, 11800 Montevideo, Uruguay.
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35
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Identification of Potential Antituberculosis Drugs Through Docking and Virtual Screening. Interdiscip Sci 2016; 10:419-429. [DOI: 10.1007/s12539-016-0175-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 04/15/2016] [Accepted: 04/18/2016] [Indexed: 10/25/2022]
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36
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Synthesis and antimicrobial evaluation of hydrazones derived from 4-methylbenzenesulfonohydrazide in aqueous medium. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1543-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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37
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Tiwari VK, Mishra BB, Mishra KB, Mishra N, Singh AS, Chen X. Cu-Catalyzed Click Reaction in Carbohydrate Chemistry. Chem Rev 2016; 116:3086-240. [PMID: 26796328 DOI: 10.1021/acs.chemrev.5b00408] [Citation(s) in RCA: 523] [Impact Index Per Article: 65.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition (CuAAC), popularly known as the "click reaction", serves as the most potent and highly dependable tool for facile construction of simple to complex architectures at the molecular level. Click-knitted threads of two exclusively different molecular entities have created some really interesting structures for more than 15 years with a broad spectrum of applicability, including in the fascinating fields of synthetic chemistry, medicinal science, biochemistry, pharmacology, material science, and catalysis. The unique properties of the carbohydrate moiety and the advantages of highly chemo- and regioselective click chemistry, such as mild reaction conditions, efficient performance with a wide range of solvents, and compatibility with different functionalities, together produce miraculous neoglycoconjugates and neoglycopolymers with various synthetic, biological, and pharmaceutical applications. In this review we highlight the successful advancement of Cu(I)-catalyzed click chemistry in glycoscience and its applications as well as future scope in different streams of applied sciences.
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Affiliation(s)
- Vinod K Tiwari
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Bhuwan B Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Kunj B Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Nidhi Mishra
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Anoop S Singh
- Department of Chemistry, Centre of Advanced Study, Institute of Science, Banaras Hindu University , Varanasi, Uttar Pradesh-221005, India
| | - Xi Chen
- Department of Chemistry, One Shields Avenue, University of California-Davis , Davis, California 95616, United States
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Mishra S, Upadhaya K, Mishra KB, Shukla AK, Tripathi RP, Tiwari VK. Carbohydrate-Based Therapeutics. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2016. [DOI: 10.1016/b978-0-444-63601-0.00010-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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39
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Anti- Mycobacterium tuberculosis activity of platinum(II)/ N , N -disubstituted- N ′-acyl thiourea complexes. INORG CHEM COMMUN 2016. [DOI: 10.1016/j.inoche.2015.11.020] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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40
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Design of new phenothiazine-thiadiazole hybrids via molecular hybridization approach for the development of potent antitubercular agents. Eur J Med Chem 2015; 106:75-84. [PMID: 26520841 DOI: 10.1016/j.ejmech.2015.10.035] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 10/10/2015] [Accepted: 10/20/2015] [Indexed: 11/24/2022]
Abstract
A new library of phenothiazine and 1,3,4-thiadiazole hybrid derivatives (5a-u) was designed based on the molecular hybridization approach and the molecules were synthesized in excellent yields using a facile single-step chloro-amine coupling reaction between 2-chloro-1-(10H-phenothiazin-10-yl)ethanones and 2-amino-5-subsituted-1,3,4-thiadiazoles. The compounds were evaluated for their in vitro inhibition activity against Mycobacterium tuberculosis H37Rv (MTB). Compounds 5 g and 5 n were emerged as the most active compounds of the series with MIC of 0.8 μg/mL (∼ 1.9 μM). Also, compounds 5a, 5b, 5c, 5e, 5l and 5m (MIC = 1.6 μg/mL), and compounds 5j, 5k and 5o (MIC = 3.125 μg/mL) showed significant inhibition activity. The structure-activity relationship demonstrated that an alkyl (methyl/n-propyl) or substituted (4-methyl/4-Cl/4-F) phenyl groups on the 1,3,4-thiadiazole ring enhance the inhibition activity of the compounds. The cytotoxicity study revealed that none of the active molecules are toxic to a normal Vero cell line thus proving the lack of general cellular toxicity. Further, the active molecules were subjected to molecular docking studies with target enzymes InhA and CYP121.
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Ramprasad J, Nayak N, Dalimba U, Yogeeswari P, Sriram D. One-pot synthesis of new triazole—Imidazo[2,1-b][1,3,4]thiadiazole hybrids via click chemistry and evaluation of their antitubercular activity. Bioorg Med Chem Lett 2015; 25:4169-73. [DOI: 10.1016/j.bmcl.2015.08.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2015] [Revised: 07/18/2015] [Accepted: 08/05/2015] [Indexed: 12/25/2022]
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42
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Pyrazolo[3,4-d]pyrimidines as the inhibitors of mycobacterial β-oxidation trifunctional enzyme. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1441-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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43
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Pore VS, Divse JM, Charolkar CR, Nawale LU, Khedkar VM, Sarkar D. Design and synthesis of 11α-substituted bile acid derivatives as potential anti-tuberculosis agents. Bioorg Med Chem Lett 2015; 25:4185-90. [PMID: 26299346 DOI: 10.1016/j.bmcl.2015.08.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 07/20/2015] [Accepted: 08/04/2015] [Indexed: 12/17/2022]
Abstract
We have synthesized a series of novel 11α-triazoyl bile acid derivatives. In addition, we also have synthesized N-alkyl and N-acyl derivatives of C-11 amino bile acid esters. All the compounds were evaluated for the inhibitory activity against Mycobacterium tuberculosis H37Ra (MTB) at 30 μg/mL level. Four lead compounds (2b, 3, 7 and 8) were further confirmed from their dose dependent effect against MTB. These compounds were found to be active against Dormant and active stage MTB under both in vitro as well as within THP1 host macrophages. The most promising compound 2b showed strong antitubercular activities against MTB under in vitro and ex vivo (IC90 value of ∼3 μg/mL) conditions and almost insignificant cytotoxicity up to 100 μg/mL against THP-1, A549 and PANC-1 human cancer cell lines. Inactivity of all these compounds against Gram positive and Gram negative bacteria indicates their specificity. Molecular docking studies of these compounds into the active site of DprE1 enzyme revealed a similar binding mode to native ligands in the crystal structure thereby helping to establish a structural basis of inhibition of MTB. The synthesized compounds were analyzed for ADME properties and showed potential to develop good oral drug candidates. Our results clearly indicate the identification of some novel, selective and specific inhibitors against MTB that can be explored further for potential antitubercular drug.
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Affiliation(s)
- Vandana S Pore
- Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India.
| | - Jaisingh M Divse
- Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India
| | | | - Laxman U Nawale
- Combichem-Bioresource Center, Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India
| | - Vijay M Khedkar
- Combichem-Bioresource Center, Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India
| | - Dhiman Sarkar
- Combichem-Bioresource Center, Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India
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Suman P, Dayakar C, Rajkumar K, Yashwanth B, Yogeeswari P, Sriram D, Rao JV, Raju BC. Synthesis and anti-mycobacterial activity of 2-chloronicotinaldehydes based novel 1H-1,2,3-triazolylbenzohydrazides. Bioorg Med Chem Lett 2015; 25:2390-4. [DOI: 10.1016/j.bmcl.2015.04.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 03/30/2015] [Accepted: 04/04/2015] [Indexed: 12/27/2022]
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45
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Saxena S, Samala G, Sridevi JP, Devi PB, Yogeeswari P, Sriram D. Design and development of novel Mycobacterium tuberculosis l-alanine dehydrogenase inhibitors. Eur J Med Chem 2015; 92:401-14. [DOI: 10.1016/j.ejmech.2014.12.046] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 11/13/2014] [Accepted: 12/26/2014] [Indexed: 12/29/2022]
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46
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Bhagyasree JB, Varghese HT, Panicker CY, Van Alsenoy C, Al-Saadi AA, Dolezal M, Samuel J. Spectroscopic (FT-IR, FT-Raman), first order hyperpolarizability, NBO analysis, HOMO and LUMO analysis of 5-tert-Butyl-6-chloro-N-[(4-(trifluoromethyl)phenyl]pyrazine-2-carboxamide. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 137:193-206. [PMID: 25218229 DOI: 10.1016/j.saa.2014.08.104] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2014] [Revised: 08/21/2014] [Accepted: 08/24/2014] [Indexed: 06/03/2023]
Abstract
The optimized molecular structure, vibrational frequencies, corresponding vibrational assignments of 5-tert-Butyl-6-chloro-N-[(4-(trifluoromethyl)phenyl]pyrazine-2-carboxamide have been investigated experimentally and theoretically using Gaussian09 software package. Potential energy distribution of normal modes of vibrations was done using GAR2PED program. The HOMO and LUMO analysis is used to determine the charge transfer within the molecule. The stability of the molecule arising from hyper-conjugative interaction and charge delocalization has been analyzed using NBO analysis. From the NBO analysis it is evident that the increased electron density at the nitrogen, carbon atoms leads to the elongation of respective bond length and a lowering of the corresponding stretching wave number. The calculated geometrical parameters are in agreement with that of similar derivatives. The calculated first hyperpolarizability is high and the calculated data suggest an extended π-electron delocalization over the pyrazine ring and carboxamide moiety which is responsible for the nonlinearity of the molecule.
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Affiliation(s)
- J B Bhagyasree
- Department of Chemistry, Mar Ivanios College, Nalanchira, Trivandrum, Kerala, India
| | | | - C Yohannan Panicker
- Department of Physics, TKM College of Arts and Science, Kollam, Kerala, India.
| | | | - Abdulaziz A Al-Saadi
- Department of Chemistry, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Martin Dolezal
- Faculty of Pharmacy in Hradec Kralove, Charles University in Prague, Heyrovskeho 1203, Hradec Kralove 50005, Czech Republic
| | - Jadu Samuel
- Department of Chemistry, Mar Ivanios College, Nalanchira, Trivandrum, Kerala, India
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47
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Ruthenium(II) complexes with hydroxypyridinecarboxylates: Screening potential metallodrugs against Mycobacterium tuberculosis. Polyhedron 2015. [DOI: 10.1016/j.poly.2014.08.057] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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48
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Correia I, Adão P, Roy S, Wahba M, Matos C, Maurya MR, Marques F, Pavan FR, Leite CQF, Avecilla F, Costa Pessoa J. Hydroxyquinoline derived vanadium(IV and V) and copper(II) complexes as potential anti-tuberculosis and anti-tumor agents. J Inorg Biochem 2014; 141:83-93. [PMID: 25226436 DOI: 10.1016/j.jinorgbio.2014.07.019] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 07/25/2014] [Accepted: 07/29/2014] [Indexed: 12/31/2022]
Abstract
Several mixed ligand vanadium and copper complexes were synthesized containing 8-hydroxyquinoline (8HQ) and a ligand such as picolinato (pic(-)), dipicolinato (dipic(2-)) or a Schiff base. The complexes were characterized by spectroscopic techniques and by single-crystal X-ray diffraction in the case of [V(V)O(L-pheolnaph-im)(5-Cl-8HQ)] and [V(V)O(OMe)(8HQ)2], which evidenced the distorted octahedral geometry of the complexes. The electronic absorption data showed the presence of strong ligand to metal charge transfer bands, significant solvent effects, and methoxido species in methanol, which was further confirmed by (51)V-NMR spectroscopy. The structures of [Cu(II)(dipic)(8HQ)]Na and [V(IV)O(pic)(8HQ)] were confirmed by EPR spectroscopy, showing only one species in solution. The biological activity of the compounds was assessed through the minimal inhibitory concentration (MIC) of the compounds against Mycobacterium tuberculosis (Mtb) and the cytotoxic activity against the cisplatin sensitive/resistant ovarian cells A2780/A2780cisR and the non-tumorigenic HEK cells (IC50 values). Almost all tested vanadium complexes were very active against Mtb and the MICs were comparable to, or better than, the MICs of drugs, such as streptomycin. The activity of the complexes against the A2780 cell line was dependent on incubation time presenting IC50 values in the 3-14 μM (at 48 h) range. In these conditions, the complexes were significantly (*P<0.05-**P<0.001) more active than cisplatin (22 μM), in the A2780 cells and even surpassing its activity in the cisplatin-resistant cells A2780cisR (2.4-8 μM vs. 75.4; **P<0.001). In the non-tumorigenic HEK cells poor selectivity toward cancer cells for most of the complexes was observed, as well as for cisplatin.
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Affiliation(s)
- Isabel Correia
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Pedro Adão
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Somnath Roy
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Mohamed Wahba
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal; Inorganic Chemistry Dep., National Research Center, El Buhouth St., Dokki, Cairo, Egypt
| | - Cristina Matos
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Mannar R Maurya
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247 667, India
| | - Fernanda Marques
- Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10,km 139.7, 2695-066 Bobadela LRS, Portugal
| | - Fernando R Pavan
- Faculdade de Ciências Farmacêuticas, UNESP, C.P. 582, Araraquara, SP 14801-902, Brazil
| | - Clarice Q F Leite
- Faculdade de Ciências Farmacêuticas, UNESP, C.P. 582, Araraquara, SP 14801-902, Brazil
| | - Fernando Avecilla
- Departamento de Química Fundamental, Universidade da Coruña, Campus de A Zapateira, 15071 A Coruña, Spain
| | - João Costa Pessoa
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
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Xu S, Li D, Pei L, Yao H, Wang C, Cai H, Yao H, Wu X, Xu J. Design, synthesis and antimycobacterial activity evaluation of natural oridonin derivatives. Bioorg Med Chem Lett 2014; 24:2811-4. [DOI: 10.1016/j.bmcl.2014.04.119] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Revised: 04/20/2014] [Accepted: 04/29/2014] [Indexed: 11/28/2022]
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50
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Voynikov Y, Valcheva V, Momekov G, Peikov P, Stavrakov G. Theophylline-7-acetic acid derivatives with amino acids as anti-tuberculosis agents. Bioorg Med Chem Lett 2014; 24:3043-5. [DOI: 10.1016/j.bmcl.2014.05.026] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 05/07/2014] [Accepted: 05/11/2014] [Indexed: 11/24/2022]
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