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Kumar A, Singh AK, Singh H, Vijayan V, Kumar D, Naik J, Thareja S, Yadav JP, Pathak P, Grishina M, Verma A, Khalilullah H, Jaremko M, Emwas AH, Kumar P. Nitrogen Containing Heterocycles as Anticancer Agents: A Medicinal Chemistry Perspective. Pharmaceuticals (Basel) 2023; 16:299. [PMID: 37259442 PMCID: PMC9965678 DOI: 10.3390/ph16020299] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/26/2023] [Accepted: 01/28/2023] [Indexed: 07/30/2023] Open
Abstract
Cancer is one of the major healthcare challenges across the globe. Several anticancer drugs are available on the market but they either lack specificity or have poor safety, severe side effects, and suffer from resistance. So, there is a dire need to develop safer and target-specific anticancer drugs. More than 85% of all physiologically active pharmaceuticals are heterocycles or contain at least one heteroatom. Nitrogen heterocycles constituting the most common heterocyclic framework. In this study, we have compiled the FDA approved heterocyclic drugs with nitrogen atoms and their pharmacological properties. Moreover, we have reported nitrogen containing heterocycles, including pyrimidine, quinolone, carbazole, pyridine, imidazole, benzimidazole, triazole, β-lactam, indole, pyrazole, quinazoline, quinoxaline, isatin, pyrrolo-benzodiazepines, and pyrido[2,3-d]pyrimidines, which are used in the treatment of different types of cancer, concurrently covering the biochemical mechanisms of action and cellular targets.
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Affiliation(s)
- Adarsh Kumar
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Ankit Kumar Singh
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Harshwardhan Singh
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Veena Vijayan
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Deepak Kumar
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Jashwanth Naik
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Suresh Thareja
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
| | - Jagat Pal Yadav
- Pharmacology Research Laboratory, Faculty of Pharmaceutical Sciences, Rama University, Kanpur 209217, India
| | - Prateek Pathak
- Laboratory of Computational Modeling of Drugs, Higher Medical and Biological School, South Ural State University, 454008 Chelyabinsk, Russia
| | - Maria Grishina
- Laboratory of Computational Modeling of Drugs, Higher Medical and Biological School, South Ural State University, 454008 Chelyabinsk, Russia
| | - Amita Verma
- Bioorganic and Medicinal Chemistry Research Laboratory, Department of Pharmaceutical Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj 211007, India
| | - Habibullah Khalilullah
- Department of Pharmaceutical Chemistry and Pharmacognosy, Unaizah College of Pharmacy, Qassim University, Unayzah 51911, Saudi Arabia
| | - Mariusz Jaremko
- Smart-Health Initiative and Red Sea Research Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Abdul-Hamid Emwas
- Core Labs, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Pradeep Kumar
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda 151401, India
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Koyambo-Konzapa SJ, Mbesse Kongbonga GY, R P, Ramlina Vamhindi BSD, Nsangou M, Franklin Benial AM. Spectroscopic, quantum chemical, molecular docking and molecular dynamics investigations of hydroxylic indole-3-pyruvic acid: a potent candidate for nonlinear optical applications and Alzheimer's drug. J Biomol Struct Dyn 2022; 40:10651-10664. [PMID: 34263703 DOI: 10.1080/07391102.2021.1947380] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
In this paper, a complete theoretical investigation of hydroxylic indole-3-pyruvic acid (HIPyA) molecule was performed using the DFT quantum chemical, molecular docking and molecular dynamics calculations. The conformational analysis of HIPyA molecule was carried out using density functional theory quantum chemical calculations. The most stable structure of the studied molecule was predicted by means of DFT/B3LYP method with cc-pVTZ basis set. The simulated vibrational frequencies were assigned and proved to be in agreement with the available experimental FT-IR data. The effects of gas phase and solvents on UV-visible spectra of HIPyA molecule were simulated using TD-DFT/B3LYP method with cc-pVTZ basis set. The analysis of the density of states spectrum validates the frontier molecular orbitals results, which reveals the charge transfer interaction in HIPyA molecule. The molecular electrostatic potential surface confirms the electrophilic and nucleophilic reactive sites of the studied molecule. The natural bond orbital analysis evidences the bioactivity of the studied molecule. The obtained first order hyperpolarizability value is 33.596 times greater than urea, which confirms the nonlinear optical activity of HIPyA molecule. The molecular docking analysis reveals that the studied molecule under interest can act as a potent inhibitor against the amyloid β-protein (Aβ) enzyme, which causes the Alzheimer's disease. The molecular dynamics analysis confirms the reliability of the docking results.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
| | | | - Premkumar R
- PG and Research Department of Physics, N. M. S. S. V. N College, Madurai, Tamil Nadu, India
| | | | - Mama Nsangou
- Departement of Physics, Faculty of Science, The University of Ngaoundere, Ngaoundere, Cameroon.,Higher Teacher's Training College, The University of Maroua, Maroua, Cameroon
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4-(Indol-3-yl)thiazole-2-amines and 4-ιndol-3-yl)thiazole Acylamines as Νovel Antimicrobial Agents: Synthesis, In Silico and In Vitro Evaluation. Pharmaceuticals (Basel) 2021; 14:ph14111096. [PMID: 34832877 PMCID: PMC8624152 DOI: 10.3390/ph14111096] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/19/2021] [Accepted: 10/24/2021] [Indexed: 01/26/2023] Open
Abstract
This manuscript deals with the synthesis and computational and experimental evaluation of the antimicrobial activity of twenty-nine 4-(indol-3-yl)thiazole-2-amines and 4-ιndol-3-yl)thiazole acylamines. An evaluation of antibacterial activity against Gram (+) and Gram (-) bacteria revealed that the MIC of indole derivatives is in the range of 0.06-1.88 mg/mL, while among fourteen methylindole derivatives, only six were active, with an MIC in the range of of 0.47-1.88 mg/mL. S. aureus appeared to be the most resistant strain, while S. Typhimurium was the most sensitive. Compound 5x was the most promising, with an MIC in the range of 0.06-0.12 mg/mL, followed by 5d and 5m. An evaluation of these three compounds against resistant strains, namely MRSA P. aeruginosa and E. coli, revealed that they were more potent against MRSA than ampicillin. Furthermore, compounds 5m and 5x were superior inhibitors of biofilm formation, compared to ampicillin and streptomycin, in terms Compounds 5d, 5m, and 5x interact with streptomycin in additive manner. The antifungal activity of some compounds exceeded or was equipotent to those of the reference antifungal agents bifonazole and ketoconazole. The most potent antifungal agent was found to be compound 5g. Drug likeness scores of compounds was in a range of -0.63 to 0.29, which is moderate to good. According to docking studies, E. coli MurB inhibition is probably responsible for the antibacterial activity of compounds, whereas CYP51 inhibition was implicated in antifungal activity. Compounds appeared to be non-toxic, according to the cytotoxicity assessment in MRC-5 cells.
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Sarkar D, Amin A, Qadir T, Sharma PK. Synthesis of Medicinally Important Indole Derivatives: A Review. THE OPEN MEDICINAL CHEMISTRY JOURNAL 2021. [DOI: 10.2174/1874104502015010001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Indoles constitute a widely occurring functional group in nature and are present in an extensive number of bioactive natural products and medicinally important compounds. As a result, exponential increases in the development of novel methods for the formation of indole core along with site-specific indoles have been established. Conventional methods for the synthesis of indoles are getting replaced with green methods involving ionic liquids, water as a solvent, solid acid catalyst, microwave irradiation and the use of nanoparticles under solvent-free conditions. In addition, there are immense applications of the substituted indoles in diverse fields.
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Elkashty OA, Tran SD. Sulforaphane as a Promising Natural Molecule for Cancer Prevention and Treatment. Curr Med Sci 2021; 41:250-269. [PMID: 33877541 DOI: 10.1007/s11596-021-2341-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 04/24/2020] [Indexed: 12/13/2022]
Abstract
Tumorigenicity-inhibiting compounds have been identified in our daily diet. For example, isothiocyanates (ITCs) found in cruciferous vegetables were reported to have potent cancer-prevention activities. The best characterized ITC is sulforaphane (SF). SF can simultaneously modulate multiple cellular targets involved in carcinogenesis, including (1) modulating carcinogen-metabolizing enzymes and blocking the action of mutagens; (2) inhibition of cell proliferation and induction of apoptosis; and (3) inhibition of neo-angiogenesis and metastasis. SF targets cancer stem cells through modulation of nuclear factor kappa B (NF-κB), Sonic hedgehog (SHH), epithelial-mesenchymal transition, and Wnt/β-catenin pathways. Conventional chemotherapy/SF combination was tested in several studies and resulted in favorable outcomes. With its favorable toxicological profile, SF is a promising agent in cancer prevention and/or therapy. In this article, we discuss the human metabolism of SF and its effects on cancer prevention, treatment, and targeting cancer stem cells, as well as providing a brief review of recent human clinical trials on SF.
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Affiliation(s)
- Osama A Elkashty
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, Montreal, H3A 0G4, Canada.,Department of Oral Pathology, Faculty of Dentistry, Mansoura University, Mansoura, 35516, Egypt
| | - Simon D Tran
- McGill Craniofacial Tissue Engineering and Stem Cells Laboratory, Faculty of Dentistry, McGill University, Montreal, H3A 0G4, Canada.
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BF 3-OEt 2 Catalyzed C3-Alkylation of Indole: Synthesis of Indolylsuccinimidesand Their Cytotoxicity Studies. Molecules 2021; 26:molecules26082202. [PMID: 33920456 PMCID: PMC8069703 DOI: 10.3390/molecules26082202] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/27/2021] [Accepted: 04/02/2021] [Indexed: 11/17/2022] Open
Abstract
A simple and efficient BF3-OEt2 promoted C3-alkylation of indole has been developed to obtain3-indolylsuccinimidesfrom commercially available indoles and maleimides, with excellent yields under mild reaction conditions. Furthermore, anti-proliferative activity of these conjugates was evaluated against HT-29 (Colorectal), Hepg2 (Liver) and A549 (Lung) human cancer cell lines. One of the compounds, 3w, having N,N-Dimethylatedindolylsuccinimide is a potent congener amongst the series with IC50 value 0.02 µM and 0.8 µM against HT-29 and Hepg2 cell lines, respectively, and compound 3i was most active amongst the series with IC50 value 1.5 µM against A549 cells. Molecular docking study and mechanism of reaction have briefly beendiscussed. This method is better than previous reports in view of yield and substrate scope including electron deficient indoles.
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Raziullah, Kumar M, Khan AA, Dutta HS, Ahmad A, Vaishnav J, Kant R, Ampapathi RS, Koley D. Ru(II)‐Catalyzed Regioselective Hydroarylative Coupling of Indolines with Internal Alkynes by C−H Activation. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100085] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Raziullah
- Medicinal and Process Chemistry Division CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Mohit Kumar
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Afsar Ali Khan
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | | | - Ashfaq Ahmad
- Medicinal and Process Chemistry Division CSIR-Central Drug Research Institute Lucknow 226031 India
| | | | - Ruchir Kant
- Molecular and Structural Biology Division CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Ravi Sankar Ampapathi
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- SAIF CSIR-Central Drug Research Institute Lucknow 226031 India
| | - Dipankar Koley
- Medicinal and Process Chemistry Division CSIR-Central Drug Research Institute Lucknow 226031 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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Ahmed NM, Youns MM, Soltan MK, Said AM. Design, Synthesis, Molecular Modeling and Antitumor Evaluation of Novel Indolyl-Pyrimidine Derivatives with EGFR Inhibitory Activity. Molecules 2021; 26:molecules26071838. [PMID: 33805918 PMCID: PMC8037142 DOI: 10.3390/molecules26071838] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 03/19/2021] [Accepted: 03/20/2021] [Indexed: 01/15/2023] Open
Abstract
Scaffolds hybridization is a well-known drug design strategy for antitumor agents. Herein, series of novel indolyl-pyrimidine hybrids were synthesized and evaluated in vitro and in vivo for their antitumor activity. The in vitro antiproliferative activity of all compounds was obtained against MCF-7, HepG2, and HCT-116 cancer cell lines, as well as against WI38 normal cells using the resazurin assay. Compounds 1-4 showed broad spectrum cytotoxic activity against all these cancer cell lines compared to normal cells. Compound 4g showed potent antiproliferative activity against these cell lines (IC50 = 5.1, 5.02, and 6.6 μM, respectively) comparable to the standard treatment (5-FU and erlotinib). In addition, the most promising group of compounds was further evaluated for their in vivo antitumor efficacy against EAC tumor bearing mice. Notably, compound 4g showed the most potent in vivo antitumor activity. The most active compounds were evaluated for their EGFR inhibitory (range 53-79%) activity. Compound 4g was found to be the most active compound against EGFR (IC50 = 0.25 µM) showing equipotency as the reference treatment (erlotinib). Molecular modeling study was performed on compound 4g revealed a proper binding of this compound inside the EGFR active site comparable to erlotinib. The data suggest that compound 4g could be used as a potential anticancer agent.
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Affiliation(s)
- Naglaa M. Ahmed
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Ein-Helwan, Helwan, Cairo 11795, Egypt;
| | - Mahmoud M. Youns
- Biochemistry Department, Faculty of Pharmacy, Helwan University, Ein-Helwan, Helwan, Cairo 11795, Egypt;
- Oman College of Health Sciences, Muscat 123, Oman;
| | - Moustafa K. Soltan
- Oman College of Health Sciences, Muscat 123, Oman;
- Medicinal Chemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
| | - Ahmed M. Said
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy, Helwan University, Ein-Helwan, Helwan, Cairo 11795, Egypt;
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA
- Correspondence: ; Tel.: +1-716-907-5016
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Ferraz de Paiva RE, Vieira EG, Rodrigues da Silva D, Wegermann CA, Costa Ferreira AM. Anticancer Compounds Based on Isatin-Derivatives: Strategies to Ameliorate Selectivity and Efficiency. Front Mol Biosci 2021; 7:627272. [PMID: 33614708 PMCID: PMC7889591 DOI: 10.3389/fmolb.2020.627272] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Accepted: 12/28/2020] [Indexed: 01/10/2023] Open
Abstract
In this review we compare and discuss results of compounds already reported as anticancer agents based on isatin-derivatives, metalated as well as non-metallated. Isatin compounds can be obtained from plants, marine animals, and is also found in human fluids as a metabolite of amino acids. Its derivatives include imines, hydrazones, thiosemicarbazones, among others, already focused on numerous anticancer studies. Some of them have entered in pre-clinical and clinical tests as antiangiogenic compounds or inhibitors of crucial proteins. As free ligands or coordinated to metal ions, such isatin derivatives showed promising antiproliferative properties against different cancer cells, targeting different biomolecules or organelles. Binding to metal ions usually improves its biological properties, indicating a modulation by the metal and by the ligand in a synergistic process. They also reveal diverse mechanisms of action, being able of binding DNA, generating reactive species that cause oxidative damage, and inhibiting selected proteins. Strategies used to improve the efficiency and selectivity of these compounds comprise structural modification of the ligands, metalation with different ions, syntheses of mononuclear and dinuclear species, and use of inserted or anchored compounds in selected drug delivery systems.
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Affiliation(s)
| | - Eduardo Guimarães Vieira
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Daniel Rodrigues da Silva
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Camila Anchau Wegermann
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
| | - Ana Maria Costa Ferreira
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, São Paulo, Brazil
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Song F, Li Z, Bian Y, Huo X, Fang J, Shao L, Zhou M. Indole/isatin-containing hybrids as potential antibacterial agents. Arch Pharm (Weinheim) 2020; 353:e2000143. [PMID: 32667714 DOI: 10.1002/ardp.202000143] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/18/2020] [Accepted: 06/22/2020] [Indexed: 12/11/2022]
Abstract
The emergence and worldwide spread of drug-resistant bacteria have already posed a serious threat to human life, creating the urgent need to develop potent and novel antibacterial drug candidates with high efficacy. Indole and isatin (indole-2,3-dione) present a wide structural and mechanistic diversity, so their derivatives possess various pharmacological properties and occupy a salient place in the development of new drugs. Indole/isatin-containing hybrids, which demonstrate a promising activity against a panel of clinically important Gram-positive and Gram-negative bacteria, are privileged scaffolds for the discovery of novel antibacterial candidates. This review, covering articles published between January 2015 and May 2020, focuses on the development and structure-activity relationship (SAR) of indole/isatin-containing hybrids with potential application for fighting bacterial infections, to facilitate further rational design of novel drug candidates.
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Affiliation(s)
- Feng Song
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, Shandong, China.,School of Life Sciences, Dezhou University, Dezhou, Shandong, China
| | - Zhenghua Li
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, Shandong, China
| | - Yunqiang Bian
- Shandong Key Laboratory of Biophysics, Institute of Biophysics, Dezhou University, Dezhou, Shandong, China
| | - Xiankai Huo
- Department of Medical Imaging, Dezhou People's Hospital, Dezhou, Shandong, China
| | - Junman Fang
- School of Life Sciences, Dezhou University, Dezhou, Shandong, China
| | - Linlin Shao
- School of Life Sciences, Dezhou University, Dezhou, Shandong, China
| | - Meng Zhou
- School of Life Sciences, Dezhou University, Dezhou, Shandong, China
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Amuthavalli A, Prakash B, Thirugnanasampandan R, Gogulramnath M, Bhuvaneswari G, Velmurugan R. Synthesis, molecular docking, antibacterial, antioxidant, and cytotoxicity activities of novel pyrido-cyclopenta[b]indole analogs. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1733610] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- A. Amuthavalli
- Department of Chemistry, Kongunadu Arts and Science College, Coimbatore, Tamil Nadu, India
| | - B. Prakash
- Department of Chemistry, Kongunadu Arts and Science College, Coimbatore, Tamil Nadu, India
| | | | - M. Gogulramnath
- Department of Biotechnology, Kongunadu Arts and Science College, Coimbatore, Tamil Nadu, India
| | - G. Bhuvaneswari
- Department of Biotechnology, Kongunadu Arts and Science College, Coimbatore, Tamil Nadu, India
| | - R. Velmurugan
- Department of Chemistry, Kongunadu Arts and Science College, Coimbatore, Tamil Nadu, India
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Modi M, Jain M. Green approach for the synthesis of 3‐methyl‐1‐phenyl‐4‐((2‐phenyl‐1H‐indol 3‐yl)methylene)‐1H‐pyrazole‐5(4H)‐ones and their DNA Cleavage, antioxidant, and antimicrobial activities. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Madhuri Modi
- Center of advance studies, Department of chemistryUniversity of Rajasthan Jaipur India
| | - Meenakshi Jain
- Center of advance studies, Department of chemistryUniversity of Rajasthan Jaipur India
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Kumari A, Singh RK. Medicinal chemistry of indole derivatives: Current to future therapeutic prospectives. Bioorg Chem 2019; 89:103021. [PMID: 31176854 DOI: 10.1016/j.bioorg.2019.103021] [Citation(s) in RCA: 250] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/22/2019] [Accepted: 05/29/2019] [Indexed: 12/21/2022]
Abstract
Indole is a versatile pharmacophore, a privileged scaffold and an outstanding heterocyclic compound with wide ranges of pharmacological activities due to different mechanisms of action. It is an superlative moiety in drug discovery with the sole property of resembling different structures of the protein. Plenty of research has been taking place in recent years to synthesize and explore the various therapeutic prospectives of this moiety. This review summarizes some of the recent effective chemical synthesis (2014-2018) for indole ring. This review also emphasized on the structure-activity relationship (SAR) to reveal the active pharmacophores of various indole analogues accountable for anticancer, anticonvulsant, antimicrobial, antitubercular, antimalarial, antiviral, antidiabetic and other miscellaneous activities which have been investigated in the last five years. The precise features with motives and framework of each research topic is introduced for helping the medicinal chemists to understand the perspective of the context in a better way. This review will definitely offer the platform for researchers to strategically design diverse novel indole derivatives having different promising pharmacological activities with reduced toxicity and side effects.
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Affiliation(s)
- Archana Kumari
- Rayat-Bahra Institute of Pharmacy, Dist. Hoshiarpur, 146104 Punjab, India
| | - Rajesh K Singh
- Department of Pharmaceutical Chemistry, Shivalik College of Pharmacy, Nangal, Dist. Rupnagar, 140126 Punjab, India.
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Kaur H, Singh J, Narasimhan B. Indole hybridized diazenyl derivatives: synthesis, antimicrobial activity, cytotoxicity evaluation and docking studies. BMC Chem 2019; 13:65. [PMID: 31384812 PMCID: PMC6661771 DOI: 10.1186/s13065-019-0580-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 05/02/2019] [Indexed: 02/07/2023] Open
Abstract
Background In search of effective antimicrobial and cytotoxic agents, a series of indole hybridized diazenyl derivatives (DS-1 to DS-21) was efficiently prepared by condensation of diazotized p-aminoacetophenone with indole or nitroindole followed by reaction with different aromatic/heteroaromatic amines of biological significance. The synthesized derivatives were characterized by various spectroscopic techniques. Methodology The antimicrobial evaluation of DS-1 to DS-23 was done by tube dilution method against various pathogenic bacterial and fungal strains. The active antimicrobial derivatives were further evaluated for cytotoxicity against human lung carcinoma cell line (HCT-116), breast cancer cell line (MDAMB231), leukemic cancer cell line (K562), and normal cell line (HEK293) by MTT assay using doxorubicin as the standard drug. The test derivatives were additionally docked for the B-subunit of enzyme DNA gyrase from E. coli at the ATPase binding site to study the molecular interactions using Schrodinger maestro v11.5 software. Results and discussion Most of the synthesized derivatives have shown high activity against Gram-negative bacteria particularly E. coli and K. pneumonia with MIC ranging from 1.95 to 7.81 μg/ml. The derivatives have demonstrated very less activity against tested Gram positive bacterial and fungal strains. The derivatives DS-14 and DS-20 have been found to active against breast cancer cell line and human colon carcinoma cell line having IC50 in the range of 19–65 µg/ml. All the derivatives were found to less potent against leukemic cancer cell line. The synthesized derivatives have revealed their safety by exhibiting very less cytotoxicity against the normal cell line (HEK-293) with IC50 > 100 µg/ml. Most of the active derivatives have shown good docking scores in comparison to the standard drugs against DNA gyrase from E. coli. Further ADME predictions by Qikprop module of the Schrodinger confirmed these molecules have drug like properties. Conclusion The derivatives DS-14 and DS-20 have shown potential against Gram-negative bacteria and breast cancer cell line and can be used as a lead for rational drug designing of the antimicrobial and cytotoxic agents. .
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Affiliation(s)
- Harmeet Kaur
- 1Faculty of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001 India
| | - Jasbir Singh
- 2College of Pharmacy, Postgraduate Institute of Medical Sciences, Rohtak, 124001 India
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