1
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Altıntop MD, Ertorun İ, Akalın Çiftçi G, Özdemir A. Design, synthesis and biological evaluation of a new series of imidazothiazole-hydrazone hybrids as dual EGFR and Akt inhibitors for NSCLC therapy. Eur J Med Chem 2024; 276:116698. [PMID: 39047611 DOI: 10.1016/j.ejmech.2024.116698] [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: 04/16/2024] [Revised: 06/24/2024] [Accepted: 07/18/2024] [Indexed: 07/27/2024]
Abstract
In search of small molecules for targeted therapy of non-small cell lung carcinoma (NSCLC), an efficient four-step synthetic route was followed for the synthesis of new imidazothiazole-hydrazone hybrids, which were assessed for their cytotoxic effects on human lung adenocarcinoma (A549) and human lung fibroblast (CCD-19Lu) cells. Among them, compounds 4, 6, 13, 16, 17 and 21 exhibited selective cytotoxic activity against A549 cell line. In vitro mechanistic studies were performed to assess their effects on apoptosis, caspase-3, cell cycle, EGFR and Akt in A549 cells. Compounds 6, 16, 17 and 21 promoted apoptotic cell death more than erlotinib. According to the in vitro data, it is quite clear that compound 6 promotes apoptosis through caspase-3 activation and arrests the cell cycle at the G0/G1 phase in A549 cells. Compounds 16 and 17 arrested the cell cycle at the S phase, whereas compounds 4, 13 and 21 caused the cell cycle arrest at the G2/M phase. The most effective EGFR inhibitor in this series was found as compound 13, followed by compounds 17 and 16. Furthermore, Akt inhibitory effects of compounds 16 and 17 in A549 cells were close to that of GSK690693. In particular, it can be concluded that the cytotoxic and apoptotic effects of compounds 16 and 17 are associated with their inhibitory effects on both EGFR and Akt. Molecular docking studies suggest that compounds 16 and 17 interact with crucial amino acid residues in the binding sites of human EGFR (PDB ID: 1M17) and Akt2 (PDB ID: 3D0E). Based on the in silico data, both compounds are predicted to possess favorable oral bioavailability and drug-likeness. Further studies are required to benefit from these compounds as anticancer agents for targeted therapy of NSCLC.
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Affiliation(s)
- Mehlika Dilek Altıntop
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, 26470, Eskişehir, Turkey
| | - İpek Ertorun
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, 26470, Eskişehir, Turkey
| | - Gülşen Akalın Çiftçi
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, 26470, Eskişehir, Turkey
| | - Ahmet Özdemir
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, 26470, Eskişehir, Turkey.
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2
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Hung TQ, Nguyen BCQ, Phuc BV, Dang Van TD, Trang CM, Anh QTK, Do DV, Nguyen H, Ngo QA, Dang TT. Facile access to 5 H-thiazolo[2',3':2,3]imidazo[4,5- b]indole derivatives by two-fold Cu-catalysed C-N coupling reactions. Org Biomol Chem 2023; 21:8813-8818. [PMID: 37889185 DOI: 10.1039/d3ob01515g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
In four simple steps, a series of 5H-thiazolo[2',3':2,3]imidazo[4,5-b]indole and 11H-benzo[4',5']thiazolo[2',3':2,3]imidazo[4,5-b]indole derivatives were prepared with high yields. The key step in this procedure was demonstrated to be two-fold Cu-catalysed C-N coupling reactions of 5-bromo-6-(2-bromophenyl)imidazo[2,1-b]thiazole and 3-bromo-2-(2-bromophenyl)benzo[d]imidazo[2,1-b]thiazole with various amines.
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Affiliation(s)
- Tran Quang Hung
- Institute of Chemistry, Vietnam Academy of Science and Technology, Viet Nam.
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Viet Nam
| | - Bao Chi Quang Nguyen
- Faculty of Chemistry, Hanoi University of Science, Vietnam National University (VNU), Viet Nam.
| | - Ban Van Phuc
- Institute of Chemistry, Vietnam Academy of Science and Technology, Viet Nam.
| | - Tien Dat Dang Van
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Viet Nam
| | - Chu Mai Trang
- Faculty of Chemistry, Hanoi University of Science, Vietnam National University (VNU), Viet Nam.
| | - Quang Thi Kim Anh
- Faculty of Chemistry, Hanoi University of Science, Vietnam National University (VNU), Viet Nam.
| | - Dang Van Do
- Faculty of Chemistry, Hanoi University of Science, Vietnam National University (VNU), Viet Nam.
| | - Hien Nguyen
- Faculty of Chemistry, Hanoi National University of Education (HNUE), Viet Nam
| | - Quoc Anh Ngo
- Institute of Chemistry, Vietnam Academy of Science and Technology, Viet Nam.
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Viet Nam
| | - Tuan Thanh Dang
- Faculty of Chemistry, Hanoi University of Science, Vietnam National University (VNU), Viet Nam.
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3
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Moraes CO, Santos RBC, Cavalcante MFO, Guilhermi JS, Ali MA, Botteselle GV, Frizon TEA, Shah MIA, Lião LM, Beatriz A, Saba S, Rafique J. Urea Hydrogen Peroxide and Ethyl Lactate, an Eco-Friendly Combo System in the Direct C(sp 2)-H Bond Selenylation of Imidazo[2,1- b]thiazole and Related Structures. ACS OMEGA 2023; 8:39535-39545. [PMID: 37901565 PMCID: PMC10600889 DOI: 10.1021/acsomega.3c05338] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 09/27/2023] [Indexed: 10/31/2023]
Abstract
Herein, we describe a urea hydrogen peroxide-mediated sustainable protocol for the synthesis of selenylated imidazo[2,1-b]thiazole by using half molar equivalent diorganyl diselenides in ethyl lactate as a greener solvent. The reaction features high yields, easy performance on gram scale, metal-free conditions, as well as applicability to imidazopyridine and imidazopyrimidine.
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Affiliation(s)
- Cassio
A. O. Moraes
- Instituto
de Química, Universidade Federal
do Mato Grosso do Sul, Campo
Grande, Mato Grosso do Sul 79074-460, Brazil
| | - Rafaely B. C. Santos
- Instituto
de Química, Universidade Federal
do Mato Grosso do Sul, Campo
Grande, Mato Grosso do Sul 79074-460, Brazil
| | - Marcos F. O. Cavalcante
- LABSO,
Instituto de Química, Universidade
Federal de Goiás—UFG, Goiânia, Goiás 74690-900, Brazil
| | - Jhefferson S. Guilhermi
- LABSO,
Instituto de Química, Universidade
Federal de Goiás—UFG, Goiânia, Goiás 74690-900, Brazil
| | - Muhammad A. Ali
- Institute
of Chemistry (ICS), University of Peshawar—UOP, Peshawar, Khyber Pakhtunkhwa 25120, Pakistan
| | - Giancarlo V. Botteselle
- Departamento
de Química, Universidade Estadual
do Centro-Oeste—UNICENTRO, Guarapuava, Paraná 85819110, Brazil
| | - Tiago E. A. Frizon
- Universidade
Federal de Santa Catarina—UFSC, Campus Araranguá, Araranguá, Santa Catarina 88905120, Brazil
| | - Muhammad I. A. Shah
- Department
of Chemistry, Abdul Wali Khan University, Mardan, Khyber Pakhtunkhwa 23200, Pakistan
| | - Luciano M. Lião
- LABSO,
Instituto de Química, Universidade
Federal de Goiás—UFG, Goiânia, Goiás 74690-900, Brazil
| | - Adilson Beatriz
- Instituto
de Química, Universidade Federal
do Mato Grosso do Sul, Campo
Grande, Mato Grosso do Sul 79074-460, Brazil
| | - Sumbal Saba
- LABSO,
Instituto de Química, Universidade
Federal de Goiás—UFG, Goiânia, Goiás 74690-900, Brazil
| | - Jamal Rafique
- Instituto
de Química, Universidade Federal
do Mato Grosso do Sul, Campo
Grande, Mato Grosso do Sul 79074-460, Brazil
- LABSO,
Instituto de Química, Universidade
Federal de Goiás—UFG, Goiânia, Goiás 74690-900, Brazil
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4
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Alenazi NA, Fawzi Qarah A, Alsahag M, Alharbi H, Bayazeed A, Al-Qahtani SD, El-Metwaly NM. Synthesis, molecular modelling and docking studies of new thieno[2,3-b:4,5-b′] dipyridine compounds as antimicrobial agents. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023] Open
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5
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Ghosh S, Pyne P, Ghosh A, Choudhury S, Hajra A. Visible-light-induced cascade reaction: a sustainable approach towards molecular complexity. Org Biomol Chem 2023; 21:1591-1628. [PMID: 36723242 DOI: 10.1039/d2ob02062a] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Photoredox catalysis has demonstrated rapid evolution in the field of synthetic organic chemistry. On the other hand, the splendour of cascade reactions in providing complex molecular architectures renders them a cutting-edge research area. Therefore, the merging of photocatalysis with cascade synthesis brings out a synthetic paradigm with immense potential. The development of photocascade catalysis for a target molecule with a particular molecular skeleton and stereochemical framework presents certain challenges but provides a robust and environmentally benign synthetic alternative. This comprehensive review assembles all the accomplishments and highlights of visible-light-induced cascade reactions with literature coverage up to October 2022.
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Affiliation(s)
- Sumit Ghosh
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India.
| | - Pranjal Pyne
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India.
| | - Anogh Ghosh
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India.
| | - Swagata Choudhury
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India.
| | - Alakananda Hajra
- Department of Chemistry, Visva-Bharati (A Central University), Santiniketan, 731235, India.
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6
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Venkatesham P, Ranjan N, Mudiraj A, Kuchana V, Chedupaka R, Manga V, Babu PP, Vedula RR. New class of fused [3,2-b][1,2,4]triazolothiazoles for targeting glioma in vitro. Bioorg Med Chem Lett 2023; 80:129103. [PMID: 36494051 DOI: 10.1016/j.bmcl.2022.129103] [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: 08/17/2022] [Revised: 11/28/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022]
Abstract
Glioma is aggressive malignant tumor with limited therapeutic interventions. Herein we report the synthesis of fused bicyclic 1,2,4-triazolothiazoles by a one-pot multi-component approach and their activity against C6 rat and LN18 human glioma cell lines. The target compounds 2-(6-phenylthiazolo[3,2-b][1,2,4]triazol-2-yl) isoindoline-1,3-diones and (E)-1-phenyl-N-(6-phenylthiazolo[3,2-b][1,2,4]triazol-2-yl) methanimines were obtained by the reaction of 5-amino-4H-1,2,4-triazole-3-thiol with substituted phenacyl bromide, phthalic anhydride, and different aromatic aldehydes in EtOH/HCl under reflux conditions. In C6 rat glioma cell lines, compounds 4g and 6i showed good cytotoxic activity with IC50 values of 8.09 and 8.74 μM, respectively, resulting in G1 and G2-M phase arrest of the cell cycle and activation of apoptosis by modulating phosphorylation of ERK and AKT pathway.
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Affiliation(s)
- Papisetti Venkatesham
- Department of Chemistry National Institute of Technology, Warangal, Telangana 506004, India
| | - Nikhil Ranjan
- Department of Biotechnology and Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Anwita Mudiraj
- Department of Biotechnology and Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India
| | - Vinutha Kuchana
- Molecular Modeling and Medicinal Chemistry Group, Department of Chemistry, University College of Science, Osmania University, 500007 Hyderabad, Telangana, India
| | - Raju Chedupaka
- Department of Chemistry National Institute of Technology, Warangal, Telangana 506004, India
| | - Vijjulatha Manga
- Molecular Modeling and Medicinal Chemistry Group, Department of Chemistry, University College of Science, Osmania University, 500007 Hyderabad, Telangana, India
| | - Phanithi Prakash Babu
- Department of Biotechnology and Bioinformatics, School of Life Sciences, University of Hyderabad, Hyderabad 500046, India.
| | - Rajeswar Rao Vedula
- Department of Chemistry National Institute of Technology, Warangal, Telangana 506004, India.
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7
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Ultrasound-assisted synthesis of kojic acid-1,2,3-triazole based dihydropyrano[3,2-b]pyran derivatives using Fe 3O 4@CQD@CuI as a novel nanomagnetic catalyst. Sci Rep 2022; 12:19917. [PMID: 36402826 PMCID: PMC9675794 DOI: 10.1038/s41598-022-24089-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 11/09/2022] [Indexed: 11/21/2022] Open
Abstract
The magnetic nanoparticles coated with carbon quantum dot and copper (I) iodide (Fe3O4@CQD@CuI) were used as eco-friendly heterogeneous Lewis / Brønsted acid sites and Cu (I) nanocatalysts. In the first step, it was applied in the synthesis of kojic acid-based dihydropyrano[3,2-b]pyran derivatives in a three-component reaction and in the second step, as a recyclable catalyst for the synthesis of kojic acid-1,2,3-triazole based dihydropyrano[3,2-b]pyran derivatives in the CuI-catalyzed azide/alkyne cycloaddition (CuAAC) reaction. The catalyst was characterized fully by using the different techniques including fourier transform infrared spectroscopy (FT-IR), elemental mapping analysis, X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), X-ray spectroscopy (EDX), transmission electron microscopy (TEM), thermal gravimetric (TG) and value-stream mapping (VSM) methods. The final synthesized derivatives were identified by 1H- and 13C-NMR spectroscopy.
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8
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Ullah F, Ullah S, Khan MFA, Mustaqeem M, Paracha RN, Rehman MFU, Kanwal F, Hassan SSU, Bungau S. Fluorescent and Phosphorescent Nitrogen-Containing Heterocycles and Crown Ethers: Biological and Pharmaceutical Applications. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196631. [PMID: 36235167 PMCID: PMC9573242 DOI: 10.3390/molecules27196631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/01/2022] [Accepted: 10/03/2022] [Indexed: 11/29/2022]
Abstract
Fluorescent molecules absorb photons of specific wavelengths and emit a longer wavelength photon within nanoseconds. Recently, fluorescent materials have been widely used in the life and material sciences. Fluorescently labelled heterocyclic compounds are useful in bioanalytical applications, including in vivo imaging, high throughput screening, diagnostics, and light-emitting diodes. These compounds have various therapeutic properties, including antifungal, antitumor, antimalarial, anti-inflammatory, and analgesic activities. Different neutral fluorescent markers containing nitrogen heterocycles (quinolones, azafluoranthenes, pyrazoloquinolines, etc.) have several electrochemical, biological, and nonlinear optic applications. Photodynamic therapy (PDT), which destroys tumors and keeps normal tissues safe, works in the presence of molecular oxygen with light and a photosensitizing drugs (dye) to obtain a therapeutic effect. These compounds can potentially be effective templates for producing devices used in biological research. Blending crown compounds with fluorescent residues to create sensors has been frequently investigated. Florescent heterocyclic compounds (crown ether) increase metal solubility in non-aqueous fluids, broadening the application window. Fluorescent supramolecular polymers have widespread use in fluorescent materials, fluorescence probing, data storage, bio-imaging, drug administration, reproduction, biocatalysis, and cancer treatment. The employment of fluorophores, including organic chromophores and crown ethers, which have high selectivity, sensitivity, and stability constants, opens up new avenues for research. Fluorescent organic compounds are gaining importance in the biological world daily because of their diverse functionality with remarkable structural features and positive properties in the fields of medicine, photochemistry, and spectroscopy.
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Affiliation(s)
- Faiz Ullah
- Department of Chemistry, Quaid I Azam University, Islamabad 45320, Pakistan
- Correspondence: (F.U.); (S.S.u.H.); (S.B.)
| | - Sami Ullah
- Department of Zoology, Government College University, Faisalabad 38000, Pakistan
| | - Muhammad Farhan Ali Khan
- Faculty of Pharmacy, Capital University of Science and Technology, Islamabad Expressway, Islamabad 44000, Pakistan
| | - Muhammad Mustaqeem
- Institute of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Rizwan Nasir Paracha
- Department of Chemistry, Sub Campus, University of Sargodha, Bhakkar 30000, Pakistan
| | | | - Fariha Kanwal
- School of Biomedical Engineering, Shanghai Jiao Tong University, 1954 Hua Shan Road, Shanghai 200030, China
| | - Syed Shams ul Hassan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
- Department of Natural Product Chemistry, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
- Correspondence: (F.U.); (S.S.u.H.); (S.B.)
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
- Correspondence: (F.U.); (S.S.u.H.); (S.B.)
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9
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Isatin Bis-Indole and Bis-Imidazothiazole Hybrids: Synthesis and Antimicrobial Activity. Molecules 2022; 27:molecules27185781. [PMID: 36144518 PMCID: PMC9505023 DOI: 10.3390/molecules27185781] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/30/2022] [Accepted: 09/05/2022] [Indexed: 11/17/2022] Open
Abstract
Isatin and its derivatives are important heterocycles found in nature and present in numerous bioactive compounds which possess various biological activities. Moreover, it is an essential building block in organic synthesis. The discovery of novel compounds active against human pathogenic bacteria and fungi is an urgent need, and the isatin may represent the suitable scaffold in the design of biologically relevant antimicrobials. A small library of 18 isatin hybrids was synthetized and evaluated for their antimicrobial potential on three reference strains: S. aureus, E. coli, both important human pathogens infamous for causing community- and hospital-acquired severe systemic infections; and C. albicans, responsible for devastating invasive infections, mainly in immunocompromised individuals. The study highlighted two lead compounds, 6k and 6m, endowed with inhibitory activity against S. aureus at very low concentrations (39.12 and 24.83 µg/mL, respectively).
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10
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Antiamoebic Activity of Imidazothiazole Derivatives against Opportunistic Pathogen Acanthamoeba castellanii. Antibiotics (Basel) 2022; 11:antibiotics11091183. [PMID: 36139962 PMCID: PMC9494960 DOI: 10.3390/antibiotics11091183] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/29/2022] [Accepted: 08/29/2022] [Indexed: 11/17/2022] Open
Abstract
We examined the antiamoebic effect of several imidazothiazole derivatives on Acanthamoeba castellanii of the T4 genotype. Trypan blue exclusion assays and haemocytometer counting were used to determine the reduction in A. castellanii trophozoite proliferation, in response to treatment with these compounds. To determine the effects of these compounds on host cells, lactate dehydrogenase assay was performed using HeLa cell lines. Amoebicidal assays revealed that the tested compounds at concentrations of 50 µM significantly inhibited amoebae trophozoites compared to controls. Compounds 1m and 1zb showed the highest amoebicidal effects eradicating 70% and 67% of A. castellanii, respectively. The compounds blocked both the encystation and excystation process in A. castellanii. Compounds 1m and 1zb blocked 61% and 55%, respectively, of amoeba binding to human cells. Moreover, the compounds showed minimal cytotoxic effects against host cells and considerably reduced amoeba-mediated host cell death. Overall, our study revealed that compounds 1m and 1zb have excellent antiamoebic potential, and should be considered in the development of curative antiamoebic medications in future studies. Further work is critical to determine the translational value of these findings.
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11
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Kolodina AA, Steglenko DV, Khodykina ES, Gaponenko NI, Galkina MS, Demidov OP, Metelitsa AV. Unusual cyclization of N-imidazolyl quinone imines with the formation of thiadiazole ring and its subsequent recyclization. MENDELEEV COMMUNICATIONS 2022. [DOI: 10.1016/j.mencom.2022.05.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Synthesis and Applications of Nitrogen-Containing Heterocycles as Antiviral Agents. Molecules 2022; 27:molecules27092700. [PMID: 35566055 PMCID: PMC9101374 DOI: 10.3390/molecules27092700] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/10/2022] [Accepted: 04/11/2022] [Indexed: 11/16/2022] Open
Abstract
Viruses have been a long-term source of infectious diseases that can lead to large-scale infections and massive deaths. Especially with the recent highly contagious coronavirus (COVID-19), antiviral drugs were developed nonstop to deal with the emergence of new viruses and subject to drug resistance. Nitrogen-containing heterocycles have compatible structures and properties with exceptional biological activity for the drug design of antiviral agents. They provided a broad spectrum of interference against viral infection at various stages, from blocking early viral entry to disrupting the viral genome replication process by targeting different enzymes and proteins of viruses. This review focused on the synthesis and application of antiviral agents derived from various nitrogen-containing heterocycles, such as indole, pyrrole, pyrimidine, pyrazole, and quinoline, within the last ten years. The synthesized scaffolds target HIV, HCV/HBV, VZV/HSV, SARS-CoV, COVID-19, and influenza viruses.
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13
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Sahil, Kaur K, Jaitak V. Thiazole and Related Heterocyclic Systems as Anticancer Agents: A Review on Synthetic Strategies, Mechanisms of Action and SAR Studies. Curr Med Chem 2022; 29:4958-5009. [DOI: 10.2174/0929867329666220318100019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/06/2022] [Accepted: 01/12/2022] [Indexed: 11/22/2022]
Abstract
Background:
Cancer is the second leading cause of death throughout the world. Many anticancer drugs are commercially available, but lack of selectivity, target specificity, cytotoxicity and development of resistance lead to serious side effects. There have been several experiments going on to develop compounds with minor or no side effects.
Objective:
This review mainly emphasizes synthetic strategies, SAR studies, and mechanism of action for thiazole, benzothiazole, and imidazothiazole containing compounds as anticancer agents.
Methods:
Recent literature related to thiazole and thiazole-related derivatives endowed with encouraging anticancer potential is reviewed. This review emphasizes contemporary strategies used for the synthesis of thiazole and related derivatives, mechanistic targets, and comprehensive structural activity relationship studies to provide perspective into the rational design of high-efficiency thiazole-based anticancer drug candidates.
Results:
Exhaustive literature survey indicated that thiazole derivatives are associated with properties of inducing
apoptosis and disturbing tubulin assembly. Thiazoles are also associated with the inhibition of NFkB/mTOR/PI3K/AkT and regulation of estrogen-mediated activity. Furthermore, thiazole derivatives have been found to modulate critical targets such as topoisomerase and HDAC.
Conclusion:
Thiazole derivatives seem to be quite competent and act through various mechanisms. Some of the thiazole derivatives, such as compounds 29, 40, 62, and 74a with IC50 values of 0.05 μM, 0.00042 μM, 0.18 μM, and 0.67 μM, respectively not only have anticancer activity but they also have lower toxicity and better absorption. Therefore, some other similar compounds could be investigated to aid in the development of anticancer pharmacophores.
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Affiliation(s)
- Sahil
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda (Pb.), India
| | - Kamalpreet Kaur
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda (Pb.), India
| | - Vikas Jaitak
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda (Pb.), India
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14
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Hamad M, Al-Marzooq F, Srinivasulu V, Omar HA, Sulaiman A, Zaher DM, Orive G, Al-Tel TH. Antibacterial Activity of Small Molecules Which Eradicate Methicillin-Resistant Staphylococcus aureus Persisters. Front Microbiol 2022; 13:823394. [PMID: 35178043 PMCID: PMC8846302 DOI: 10.3389/fmicb.2022.823394] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 01/11/2022] [Indexed: 11/13/2022] Open
Abstract
The serious challenge posed by multidrug-resistant bacterial infections with concomitant treatment failure and high mortality rates presents an urgent threat to the global health. We herein report the discovery of a new class of potent antimicrobial compounds that are highly effective against Gram-positive bacteria, including methicillin-resistant Staphylococcus aureus (MRSA). The compounds were efficiently synthesized in one-pot employing a cascade of Groebke-Blackburn-Bienaymé and aza-Michael addition reactions. Phenotypic screening of the pilot library against various bacterial species including methicillin-sensitive and MRSA strains, has identified potent chemotypes with minimal inhibitory concentrations (MIC) of 3.125-6.25 μg/ml. The most potent compounds were fast-acting at eradicating exponentially growing MRSA, with killing achieved after 30 min of exposure to the compounds. They were also able to kill MRSA persister cells which are tolerant to most available medications. Microscopic analysis using fluorescence microscope and atomic force microscope indicate that these compounds lead to disruption of bacterial cell envelopes. Most notably, bacterial resistance toward these compounds was not observed after 20 serial passages in stark contrast to the significant resistance developed rapidly upon exposure to a clinically relevant antibiotic. Furthermore, the compounds did not induce significant hemolysis to human red blood cells. In vivo safety studies revealed a high safety profile of these motifs. These small molecules hold a promise for further studies and development as new antibacterial agents against MRSA infections.
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Affiliation(s)
- Mohamad Hamad
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates.,College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Farah Al-Marzooq
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates.,College of Medicine and Health Sciences, UAE University, Al Ain, United Arab Emirates
| | - Vunnam Srinivasulu
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Hany A Omar
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates.,College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
| | - Ashna Sulaiman
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Dana M Zaher
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates
| | - Gorka Orive
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Bilbao, Spain
| | - Taleb H Al-Tel
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah, United Arab Emirates.,College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
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15
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Chen XK, Chen XM, Xi YR, Sun WC, Wang YT, Wu YS, Kang MH, Tang GM. The position of NH2-subsituted group controlled the luminescent properties based on 4-amino-4H-1,2,4-triazole: Syntheses, crystal structures and Hirshfeld analyses. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2021.122647] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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16
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Motornov V, Tabolin A, Ioffe S. Oxidative [3+2]-annulation of nitroalkenes and azolium ylides in the presence of Cu(II): efficient synthesis of [5,5]-annulated N-fused heterocycles. NEW J CHEM 2022. [DOI: 10.1039/d1nj05332a] [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
A facile synthesis of [5,5]-annulated N-fused heterocycles – pyrrolo[2,1-b]thiazoles and pyrrolo[1,2-b]indazoles via oxidative [3+2]-annulation between nitroalkenes and azolium ylides in the presence of copper (II) was developed. The reaction proceeds...
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17
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Sarchahi M, Esmaeili AA. Synthesis of novel trifluoro methylated imidazothiadiazole derivatives via one-pot isocyanide-based three-component reaction under catalyst and solvent-free conditions. PHOSPHORUS SULFUR 2021. [DOI: 10.1080/10426507.2021.1966429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Maryam Sarchahi
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Abbas Ali Esmaeili
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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18
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Synthesis, Crystal Structure, Biological Evaluation, DFT Calculations and Third Order Nonlinear Optical Studies of Pyrazolines. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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The substituent effect on the luminescent properties of a set of 4-amino-4-1,2,4-triazole: Syntheses, crystal structures and Hirshfeld analyses. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130893] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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20
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Shiri P, Amani AM, Mayer-Gall T. A recent overview on the synthesis of 1,4,5-trisubstituted 1,2,3-triazoles. Beilstein J Org Chem 2021; 17:1600-1628. [PMID: 34354770 PMCID: PMC8290111 DOI: 10.3762/bjoc.17.114] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 06/29/2021] [Indexed: 12/20/2022] Open
Abstract
Diverse strategies for the efficient and attractive synthesis of a wide variety of relevant 1,4,5-trisubstituted 1,2,3-triazole molecules are reported. The synthesis of this category of diverse fully functionalized 1,2,3-triazoles has become a necessary and unique research subject in modern synthetic organic key transformations in academia, pharmacy, and industry. The current review aims to cover a wide literature survey of numerous synthetic strategies. Recent reports (2017–2021) in the field of 1,4,5-trisubstituted 1,2,3-triazoles are emphasized in this current review.
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Affiliation(s)
- Pezhman Shiri
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Mohammad Amani
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran.,Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Thomas Mayer-Gall
- Department of Physical Chemistry and Center of Nanointegration (CENIDE), University of Duisburg-Essen, Universitätsstr. 2, 45141 Essen, Germany.,Deutsches Textilforschungszentrum Nord-West gGmbH, Adlerstr. 1, 47798 Krefeld, Germany
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21
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B C, Kumar S, Gupta AK, Schols D, Tahtaci H, Karakurt T, Kotha S, B S, Setty R, Karki SS. Synthesis, molecular docking, and preliminary cytotoxicity study of some novel 2-(naphthalen-1-yl)-methylimidazo[2,1-b][1,3,4]thiadiazoles. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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22
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Kyhoiesh HAK, Al-Adilee KJ. Synthesis, spectral characterization, antimicrobial evaluation studies and cytotoxic activity of some transition metal complexes with tridentate (N,N,O) donor azo dye ligand. RESULTS IN CHEMISTRY 2021. [DOI: 10.1016/j.rechem.2021.100245] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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23
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Krylov AS, Tolstyakov VV, Gurzhiy VV, Dogadina AV. Reaction of Diethyl Chloroethynylphosphonate with 3-Amino-1,2,4-triazoles. RUSS J GEN CHEM+ 2021. [DOI: 10.1134/s1070363221010072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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Kadam SN, Ambhore AN, Kamble RD, Wakhradkar MG, Gavhane PD, Gaikwad MV, Gunturu KC, Dawane BS. Metal-free efficient thiolation of C(sp 2) functionalization via in situ-generated NHTS for the synthesis of novel sulfenylated 2-aminothiazole and imidazothiazole. NEW J CHEM 2021. [DOI: 10.1039/d0nj05904h] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A direct metal-free approach for the synthesis of novel sulfenylated 2-aminothiazole and imidazothiazole derivatives at room temperature is reported via an in situ-generated electrophilic thiolating agent.
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Affiliation(s)
| | - Ajay N. Ambhore
- Padmabhushan Dr Vasantraodada Patil Mahavidyalay
- Tasgaon Sangli
- India
| | | | - Mahesh G. Wakhradkar
- School of Chemical sciences
- Swami Ramanand Teerth Marathwada University
- Nanded
- India
| | - Priya D. Gavhane
- School of Chemical sciences
- Swami Ramanand Teerth Marathwada University
- Nanded
- India
| | - Milind V. Gaikwad
- School of Chemical sciences
- Swami Ramanand Teerth Marathwada University
- Nanded
- India
| | | | - Bhaskar S. Dawane
- School of Chemical sciences
- Swami Ramanand Teerth Marathwada University
- Nanded
- India
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25
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Saliyeva LN, Diachenko IV, Vas’kevich RI, Slyvka NY, Vovk MV. Imidazothiazoles and their Hydrogenated Analogs: Methods of Synthesis and Biomedical Potential. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02827-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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26
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Modification of imidazothiazole derivatives gives promising activity in B-Raf kinase enzyme inhibition; synthesis, in vitro studies and molecular docking. Bioorg Med Chem Lett 2020; 30:127478. [DOI: 10.1016/j.bmcl.2020.127478] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 12/26/2022]
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27
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Afsina Abdulla CM, Neetha M, Aneeja T, Anilkumar G. Synthesis and Applications of Imidazothiazoles: An Overview. ChemistrySelect 2020. [DOI: 10.1002/slct.202002842] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- C. M. Afsina Abdulla
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
| | - Mohan Neetha
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
| | - Thaipparambil Aneeja
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
- Institute for Integrated Programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
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28
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Zhao J, Xiao Q, Chen J, Xu J. Metal‐Free Synthesis of Imidazo[2,1‐
b
]thiazoles from Thioimidazoles and Ketones Mediated by Selectfluor. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000815] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jinwu Zhao
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Qiannan Xiao
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Jiaxi Chen
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Jingxiu Xu
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
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29
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Patel KR, Patel HD. p53: An Attractive Therapeutic Target for Cancer. Curr Med Chem 2020; 27:3706-3734. [PMID: 31223076 DOI: 10.2174/1573406415666190621094704] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 02/28/2019] [Accepted: 04/16/2019] [Indexed: 02/08/2023]
Abstract
Cancer is a leading cause of death worldwide. It initiates when cell cycle regulatory genes lose their function either by environmental and/or by internal factors. Tumor suppressor protein p53, known as "Guardian of genome", plays a central role in maintaining genomic stability of the cell. Mutation of TP53 is documented in more than 50% of human cancers, usually by overexpression of negative regulator protein MDM2. Hence, reactivation of p53 by blocking the protein-protein interaction between the murine double minute 2 (MDM2) and the tumor suppressor protein p53 has become the most promising therapeutic strategy in oncology. Several classes of small molecules have been identified as potent, selective and efficient p53-MDM2 inhibitors. Herein, we review the druggability of p53-MDM2 inhibitors and their optimization approaches as well as clinical candidates categorized by scaffold type.
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Affiliation(s)
- Krupa R Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad 380009, Gujarat, India
| | - Hitesh D Patel
- Department of Chemistry, School of Sciences, Gujarat University, Ahmedabad 380009, Gujarat, India
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30
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Ramírez-Gómez A, Gutiérrez-Hernández AI, Alvarado-Castillo MA, Toscano RA, Ortega-Alfaro MC, López-Cortés JG. Selenoamides as powerful scaffold to build imidazo[1,5-a]pyridines using a grinding protocol. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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31
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Annelation of substituted 3-Hydrazinylimidazo [2,1-c] [1,2,4]triazolone to a series of fused [1,2,4]triazepine and [1,2,4]triazine analogues and evaluation of their anticancer activity. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131218] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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32
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Hassan AY, Sarg MT, El Deeb MA, El Rabeeb SI. Anticancer Activity Screening of a Series of Imidazo[2,1‐c][1,2,4]triazolone and Imidazo[1,2 ‐b][1,2,4]triazolone Derivatives Synthesized Under Solvent Free Conditions. ChemistrySelect 2020. [DOI: 10.1002/slct.201904624] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Aisha Y. Hassan
- Organic Chemistry DepartmentFaculty of Science (Girls), Al-Azhar University, Youssef Abbas street Nasr City, Cairo Egypt
| | - Marwa T. Sarg
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy (Girls)Al-Azhar University, Youssef Abbas street, Nasr City Cairo Egypt Faculty of pharmacy (Girls), Al-Azhar University, Youssef Abbas street, Nasr City, Cairo, Egypt
| | - Moshira A. El Deeb
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy (Girls)Al-Azhar University, Youssef Abbas street, Nasr City Cairo Egypt Faculty of pharmacy (Girls), Al-Azhar University, Youssef Abbas street, Nasr City, Cairo, Egypt
| | - Shaimaa I. El Rabeeb
- Pharmaceutical Organic Chemistry Department, Faculty of Pharmacy (Girls)Al-Azhar University, Youssef Abbas street, Nasr City Cairo Egypt Faculty of pharmacy (Girls), Al-Azhar University, Youssef Abbas street, Nasr City, Cairo, Egypt
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33
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Grinev VS, Egorova AY. Synthesis of pyrrolo[2,1-b]thiazole derivatives (microreview). Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02639-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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34
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Khan I, Khan A, Ahsan Halim S, Saeed A, Mehsud S, Csuk R, Al-Harrasi A, Ibrar A. Exploring biological efficacy of coumarin clubbed thiazolo[3,2–b][1,2,4]triazoles as efficient inhibitors of urease: A biochemical and in silico approach. Int J Biol Macromol 2020; 142:345-354. [DOI: 10.1016/j.ijbiomac.2019.09.105] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Revised: 09/11/2019] [Accepted: 09/13/2019] [Indexed: 02/01/2023]
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35
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Nagireddy PR, Kommalapati VK, Siva Krishna V, Sriram D, Tangutur AD, Kantevari S. Imidazo[2,1- b]thiazole-Coupled Natural Noscapine Derivatives as Anticancer Agents. ACS OMEGA 2019; 4:19382-19398. [PMID: 31763563 PMCID: PMC6868913 DOI: 10.1021/acsomega.9b02789] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 10/23/2019] [Indexed: 06/10/2023]
Abstract
Noscapine, a phthalide isoquinoline alkaloid isolated from the opium poppy Papaver somniferum, is traditionally being used as an anticough drug. With a safe in vitro toxicological profile, noscapine and its analogues have been explored to show microtubule-regulating properties and anticancer activity against various mammalian cancer cell lines. Since then, our group and other research groups worldwide are working on developing new noscapinoids to tap its potential as the leading drug molecule. With our continuing efforts, we herein present synthesis and anticancer evaluation of a series of imidazothiazole-coupled noscapinoids 7a-o and 11a-o. Natural α-noscapine was N-demethylated to nornoscapine 4 and then reacted with 4-(chloromethyl) thiazole-2-amine. The resultant noscapinoid 5 was coupled with various bromomethyl ketones 10a-o to give N-imidazothiazolyl noscapinoids 7a-o in very good yields. Similarly, natural α-noscapine 1 was O-demethylated using sodium azide/sodium iodide, reacted with 4-(chloromethyl)thiazole-2-amine, and coupled with bromomethyl ketones 10a-o to result in O-imidazothiazolyl noscapinoids 11a-o. All the new analogues 7a-o and 11a-o were fully characterized by their NMR and mass spectral analysis. In vitro cytotoxicity assay was performed for compounds 5, 7a-o, 9, and 11a-o against four different cancer cell lines: HeLa (cervical), MIA PaCa-2 (pancreatic), SK-N-SH (neuroblastoma), and DU145 (prostate cancer). Among these conjugates, 5, 7a, 9, 11b, 11c, 11e, and 11o showed potent cytotoxicity with low IC50 values. Further, flow cytometry analysis revealed that MIA PaCa-2 cells treated with these compounds induced cell cycle G2/M-phase arrest. In addition, Western blot analysis revealed that the cells treated with these conjugates accumulate tubulin in the soluble fraction and also elevate cyclin-B1 protein expression levels. Moreover, the conjugates also increased the expression of caspase-3 and PARP levels which is indicative of apoptotic cell death. In silico molecular docking studies showed several noncovalent interactions like van der Waals and hydrogen-bonding with tubulin protein and with good binding energy. The results indicated that these noscapine analogues may serve as novel compounds that can possibly inhibit tubulin protein and can be considered for further optimization as a clinical candidate for treating pancreatic cancer.
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Affiliation(s)
- Praveen
Kumar Reddy Nagireddy
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - Vamsi Krishna Kommalapati
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
| | - Vagolu Siva Krishna
- Medicinal
Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology & Science Pilani, Hyderabad Campus, Hyderabad 500078, Telangana, India
| | - Dharmarajan Sriram
- Medicinal
Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology & Science Pilani, Hyderabad Campus, Hyderabad 500078, Telangana, India
| | - Anjana Devi Tangutur
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, Tamil Nadu, India
| | - Srinivas Kantevari
- Fluoro
and Agrochemicals Division and Applied Biology Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, Telangana, India
- Academy
of Scientific and Innovative Research (AcSIR), Chennai 600113, Tamil Nadu, India
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36
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Mahmoud HK, Gomha SM, Farghaly TA, Awad HM. Synthesis of Thiazole Linked Imidazo[2,1-b]Thiazoles as Anticancer Agents. Polycycl Aromat Compd 2019. [DOI: 10.1080/10406638.2019.1689514] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Huda K. Mahmoud
- Faculty of Science, Department of Chemistry, University of Cairo, Giza, Egypt
| | - Sobhi M. Gomha
- Faculty of Science, Department of Chemistry, University of Cairo, Giza, Egypt
- Faculty of Science, Department of Chemistry, Islamic University in Almadinah Almonawara, Almadinah Almonawara, Saudi Arabia
| | - Thoraya A. Farghaly
- Faculty of Science, Department of Chemistry, University of Cairo, Giza, Egypt
- Faculty of Applied Science, Chemistry Department, Umm Al-Qura University, Makkah Almukkarramah, Saudi Arabia
| | - Hanem M. Awad
- Department of Tanning Material and Leather Technology, National Research Center, Dokki, Cairo, Egypt
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37
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Srinivasulu V, Khanfar M, Omar HA, ElAwady R, Sieburth SM, Sebastian A, Zaher DM, Al-Marzooq F, Hersi F, Al-Tel TH. Sequencing [4 + 1]-Cycloaddition and Aza-Michael Addition Reactions: A Diastereoselective Cascade for the Rapid Access of Pyrido[2′,1′:2,3]/Thiazolo[2′,3′:2,3]imidazo[1,5-a]quinolone Scaffolds as Potential Antibacterial and Anticancer Motifs. J Org Chem 2019; 84:14476-14486. [DOI: 10.1021/acs.joc.9b01919] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Vunnam Srinivasulu
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Monther Khanfar
- Department of Chemistry, University of Jordan, 11942 Amman, Jordan
| | - Hany A. Omar
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Raafat ElAwady
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Scott McN Sieburth
- Temple University, Department of Chemistry, 201 Beury Hall, Philadelphia, Pennsylvania 19122, United States
| | - Anusha Sebastian
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Dana M. Zaher
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Farah Al-Marzooq
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Fatema Hersi
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
| | - Taleb H. Al-Tel
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah, UAE
- College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah, UAE
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38
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Shareef MA, Sirisha K, Sayeed IB, Khan I, Ganapathi T, Akbar S, Ganesh Kumar C, Kamal A, Nagendra Babu B. Synthesis of new triazole fused imidazo[2,1-b]thiazole hybrids with emphasis on Staphylococcus aureus virulence factors. Bioorg Med Chem Lett 2019; 29:126621. [DOI: 10.1016/j.bmcl.2019.08.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 08/08/2019] [Accepted: 08/11/2019] [Indexed: 12/22/2022]
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39
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Shareef MA, Khan I, Babu BN, Kamal A. A Comprehensive Review on the Therapeutic Versatility of Imidazo [2,1-b]thiazoles. Curr Med Chem 2019; 27:6864-6887. [PMID: 31362648 DOI: 10.2174/0929867326666190729152440] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/08/2019] [Accepted: 06/19/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Imidazo[2,1-b]thiazole, a well-known fused five-membered hetrocycle is one of the most promising and versatile moieties in the area of medicinal chemistry. Derivatives of imidazo[2,1-b]thiazole have been investigated for the development of new derivatives that exhibit diverse pharmacological activities. This fused heterocycle is also a part of a number of therapeutic agents. OBJECTIVE To review the extensive pharmacological activities of imidazo[2,1-b]thiazole derivatives and the new molecules developed between 2000-2018 and their usefulness. METHOD Thorough literature review of all relevant papers and patents was conducted. CONCLUSION The present review, covering a number of aspects, is expected to provide useful insights in the design of imidazo[2,1-b]thiazole-based compounds and would inspire the medicinal chemists for a comprehensive and target-oriented information to achieve a major breakthrough in the development of clinically viable candidates.
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Affiliation(s)
- Mohd Adil Shareef
- Department of Fluoro-Agrochemicals, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad,
500007 India,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Irfan Khan
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India,Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500007, India
| | - Bathini Nagendra Babu
- Department of Fluoro-Agrochemicals, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad,
500007 India,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ahmed Kamal
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India,Organic Synthesis and Process Chemistry Division, CSIR-Indian Institute of Chemical Technology, Tarnaka, Hyderabad 500007, India,School of Pharmaceutical Education and Research (SPER), Jamia Hamdard, New Delhi
110062, India
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40
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Fascio ML, Sepúlveda CS, Damonte EB, D'Accorso NB. Synthesis and antiviral activity of some imidazo[1,2-b][1,3,4]thiadiazole carbohydrate derivatives. Carbohydr Res 2019; 480:61-66. [DOI: 10.1016/j.carres.2019.05.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/10/2019] [Accepted: 05/15/2019] [Indexed: 12/11/2022]
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41
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Chenna Reddy ML, Patil VB, Nawaz Khan FR, Saravanan V. Synthesis of Imidazo[1,2‐
a
]pyridines and Imidazo[2,1‐
b
]thiazoles Attached to a Cycloalkyl or Saturated Heterocycle Containing a Tertiary Hydroxy Substitution. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3454] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- M. L. Chenna Reddy
- Medicinal ChemistryJubilant Biosys Ltd 96, Industrial Suburb, 2nd Stage, Yeshwanthpur Bangalore 560022 India
- Department of Chemistry, School of Advanced Sciences (SAS)VIT Vellore 632014 Tamil Nadu India
| | - Vineetkumar B. Patil
- Medicinal ChemistryJubilant Biosys Ltd 96, Industrial Suburb, 2nd Stage, Yeshwanthpur Bangalore 560022 India
| | | | - Vadivelu Saravanan
- Medicinal ChemistryJubilant Biosys Ltd 96, Industrial Suburb, 2nd Stage, Yeshwanthpur Bangalore 560022 India
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42
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Abdel-Maksoud MS, Ammar UM, Oh CH. Anticancer profile of newly synthesized BRAF inhibitors possess 5-(pyrimidin-4-yl)imidazo[2,1-b]thiazole scaffold. Bioorg Med Chem 2019; 27:2041-2051. [PMID: 30955995 DOI: 10.1016/j.bmc.2019.03.062] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 03/18/2019] [Accepted: 03/31/2019] [Indexed: 12/11/2022]
Abstract
In this work, a new series of imidazo[2,1-b]thiazole was designed and synthesized. The new compounds are having 3-fluorophenyl at position 6 of imidazo[2,1-b]thiazole and pyrimidine ring at position 5. The pyrimidine ring containing either amide or sulphonamide moiety attached to a linker (ethyl or propyl) at position 2 of the pyrimidine ring. The final compounds were selected by NCI for in vitro cytotoxicity screening. Most derivatives showed cytotoxic activity against colon cancer and melanoma cell lines. In addition, IC50s of the target compounds were determined over A375 and SK-MEL-28 cell lines using sorafenib as positive control. Compounds12b, 12c, 12e, 12f, 15a, 15d, 15f, 14g and 15h exhibited superior activity when compared to sorafenib. The most potent compounds were tested against wild type BRAF, v600e BRAF, and CRAF. Compound 15h exhibited a potential inhibitory effect againstV600EBRAF (IC50 = 9.3 nM).
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Affiliation(s)
- Mohammed S Abdel-Maksoud
- Medicinal & Pharmaceutical Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (NRC), Dokki, Giza 12622, Egypt
| | - Usama M Ammar
- Center for Biomaterials, Korea Institute of Science & Technology (KIST School), Seoul, Seongbuk-gu 02792, Republic of Korea; University of Science & Technology (UST), Daejeon, Yuseong-gu 34113, Republic of Korea; Department of Biomolecular Science, University of Science & Technology (UST), Daejeon, Yuseong-gu 34113, Republic of Korea; Pharmaceutical Chemistry Department, Faculty of Pharmacy, Ahram Canadian University, Giza 12566, Egypt
| | - Chang-Hyun Oh
- Center for Biomaterials, Korea Institute of Science & Technology (KIST School), Seoul, Seongbuk-gu 02792, Republic of Korea; University of Science & Technology (UST), Daejeon, Yuseong-gu 34113, Republic of Korea; Department of Biomolecular Science, University of Science & Technology (UST), Daejeon, Yuseong-gu 34113, Republic of Korea.
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43
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Khalafy J, Etivand N, Khalillou N. An efficient synthesis of imidazo[2,1-b][1,3,4]thiadiazol-7-ium hydroxides by a one-pot, three-component reaction in water. HETEROCYCL COMMUN 2018. [DOI: 10.1515/hc-2018-0117] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Abstract
An improved synthesis of 2-ethyl-5-(2-hydroxy-4-oxoquinolin-3(4H)-ylidene)-6-aryl-5,6-dihydroimidazo[2,1-b][1,3,4]thiadiazol-7-ium hydroxide derivatives 4a–k via the reaction of aryl glyoxal monohydrates 1a–k, quinoline-2,4-diol 2 and 2-amino-[1,3,4]thiadiazole (3) in the presence of Et3N/sulfamic acid in H2O is described. This green protocol is characterized by the use of the readily available catalyst and reactants, short reaction times, operational simplicity and high yields of products. The structures of all compounds were characterized by 1H NMR, 13C NMR and Fourier-transform infrared (FT-IR) spectral data and microanalyses.
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44
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Rodrigues I, Barcellos AM, Belladona AL, Roehrs JA, Cargnelutti R, Alves D, Perin G, Schumacher RF. Oxone®-mediated direct arylselenylation of imidazo[2,1-b]thiazoles, imidazo[1,2-a]pyridines and 1H-pyrazoles. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.06.046] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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45
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Satheesh V, Kumar SV, Vijay M, Barik D, Punniyamurthy T. Metal-Free [3+2]-Cycloaddition of Thiiranes with Isothiocyanates, Isoselenocyanates and Carbodiimides: Synthesis of 2-Imino-Dithiolane/Thiaselenolane/Thiazolidines. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800274] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Vanaparthi Satheesh
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati India
| | | | - Murugan Vijay
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati India
| | - Debashis Barik
- Department of Chemistry; Indian Institute of Technology Guwahati; Guwahati India
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46
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Claudio-Catalán M, Pharande SG, Quezada-Soto A, Kishore KG, Rentería-Gómez A, Padilla-Vaca F, Gámez-Montaño R. Solvent- and Catalyst-Free One-Pot Green Bound-Type Fused Bis-Heterocycles Synthesis via Groebke-Blackburn-Bienaymé Reaction/S NAr/Ring-Chain Azido-Tautomerization Strategy. ACS OMEGA 2018; 3:5177-5186. [PMID: 30023908 PMCID: PMC6045402 DOI: 10.1021/acsomega.8b00170] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Accepted: 04/19/2018] [Indexed: 06/08/2023]
Abstract
A new, efficient, green, endogenous water-triggered, solvent- and catalyst-free ultrasound-assisted one-pot Groebke-Blackburn-Bienaymé reaction/SNAr/ring-chain azido-tautomerization strategy to synthesize bound-type fused bis-heterocycles imidazo or benzo[d]imidazo[2,1-b]thiazoles and 1,5-disubstituted tetrazole (1,5-DsT) containing quinoline moiety is described, which allows synthesis of two types of fused heterocycles in one step under mild green conditions. Antibacterial and antiamebic activities of selected newly synthesized compounds were carried out against three bacterial species: Gram-positive bacterium Staphylococcus aureus ATCC 6538 and Gram-negative bacteria Pseudomonas aeruginosa ATCC 13384 and Escherichia coli O55 and against one amebic species: Entamoeba histolytica.
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Affiliation(s)
- Miguel
Ángel Claudio-Catalán
- Departamento
de Química, División de Ciencias Naturales
y Exactas and Departamento de Biología, División de Ciencias Naturales
y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato, C.P. 36050 Guanajuato, México
| | - Shrikant G. Pharande
- Departamento
de Química, División de Ciencias Naturales
y Exactas and Departamento de Biología, División de Ciencias Naturales
y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato, C.P. 36050 Guanajuato, México
| | - Andrea Quezada-Soto
- Departamento
de Química, División de Ciencias Naturales
y Exactas and Departamento de Biología, División de Ciencias Naturales
y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato, C.P. 36050 Guanajuato, México
| | - Kranthi G. Kishore
- Departamento
de Química, División de Ciencias Naturales
y Exactas and Departamento de Biología, División de Ciencias Naturales
y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato, C.P. 36050 Guanajuato, México
| | - Angel Rentería-Gómez
- Departamento
de Química, División de Ciencias Naturales
y Exactas and Departamento de Biología, División de Ciencias Naturales
y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato, C.P. 36050 Guanajuato, México
| | - Felipe Padilla-Vaca
- Departamento
de Química, División de Ciencias Naturales
y Exactas and Departamento de Biología, División de Ciencias Naturales
y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato, C.P. 36050 Guanajuato, México
| | - Rocío Gámez-Montaño
- Departamento
de Química, División de Ciencias Naturales
y Exactas and Departamento de Biología, División de Ciencias Naturales
y Exactas, Universidad de Guanajuato, Noria Alta S/N, Col. Noria Alta, Guanajuato, C.P. 36050 Guanajuato, México
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47
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Romero-Hernández LL, Merino-Montiel P, Meza-Reyes S, Vega-Baez JL, López Ó, Padrón JM, Montiel-Smith S. Synthesis of unprecedented steroidal spiro heterocycles as potential antiproliferative drugs. Eur J Med Chem 2017; 143:21-32. [PMID: 29172080 DOI: 10.1016/j.ejmech.2017.10.063] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Revised: 10/09/2017] [Accepted: 10/22/2017] [Indexed: 01/14/2023]
Abstract
Herein we report the straightforward preparation of novel conformationally-restricted steroids from trans-androsterone and estrone, decorated with spiranic oxazolidin-2-one or 2-aminooxazoline motifs at C-17 as potential antiproliferative agents. Such unprecedented pharmacophores were accessed using an aminomethylalcohol derivative at C-17 as the key intermediate; reaction of such functionality with triphosgene, or conversion into N-substituted thioureas, followed by an intramolecular cyclodesulfurization reaction promoted by yellow HgO, furnished such spirocycles in excellent yields. Title compounds were tested in vitro against a panel of six human tumor cell lines, named A549 (non-small cell lung), HBL-100 (breast), HeLa (cervix), SW1573 (non-small cell lung), T-47D (breast) and WiDr (colon), and the results were compared with steroidal chemotherapeutic agents (abiraterone and galeterone); the A-ring of the steroidal backbone, the nature of the heterocycle and the N-substituents proved to be essential motifs for establishing structure-activity relationships concerning not only the potency but also the selectivity against tumor cell lines. Estrone derivatives, particularly those bearing a spiranic 2-aminooxazoline scaffold were found to be the most active compounds, with GI50 values ranging from the low micromolar to the submicromolar level (0.34-1.5 μM). Noteworthy, the lead compounds showed a remarkable increase in activity against the resistant cancer cell lines (T-47D and WiDr) compared to the anticancer reference drugs (up to 120-fold).
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Affiliation(s)
- Laura L Romero-Hernández
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570 Puebla, Pue., Mexico
| | - Penélope Merino-Montiel
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570 Puebla, Pue., Mexico.
| | - Socorro Meza-Reyes
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570 Puebla, Pue., Mexico
| | - José Luis Vega-Baez
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570 Puebla, Pue., Mexico
| | - Óscar López
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, Apartado 1203, E-41071 Seville, Spain
| | - José M Padrón
- BioLab, Instituto Universitario de Bio-Orgánica "Antonio González" (IUBO-AG), Centro de Investigaciones Biomédicas de Canarias (CIBICAN), Universidad de La Laguna, c/ Astrofísico Francisco Sánchez 2, 38206 La Laguna, Spain
| | - Sara Montiel-Smith
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570 Puebla, Pue., Mexico.
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48
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Rassokhina IV, Tikhonova TA, Kobylskoy SG, Babkin IY, Shirinian VZ, Gevorgyan V, Zavarzin IV, Volkova YA. Synthesis of Imidazo[2,1-b]thiazoles via Copper-Catalyzed A3-Coupling in Batch and Continuous Flow. J Org Chem 2017; 82:9682-9692. [DOI: 10.1021/acs.joc.7b01762] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | | | - Sergey G. Kobylskoy
- Laboratory of High Technologies, Ltd, 86 prosp. Vernadskogo, 119571 Moscow, Russia
| | - Igor Yu. Babkin
- Laboratory of High Technologies, Ltd, 86 prosp. Vernadskogo, 119571 Moscow, Russia
| | | | - Vladimir Gevorgyan
- Department
of Chemistry, University of Illinois at Chicago, 845 West Taylor
Street, Room 4500, Chicago, Illinois 60607, United States
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49
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Benzenesulfonamide bearing imidazothiadiazole and thiazolotriazole scaffolds as potent tumor associated human carbonic anhydrase IX and XII inhibitors. Bioorg Med Chem 2017; 25:1286-1293. [DOI: 10.1016/j.bmc.2016.12.047] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 12/25/2016] [Accepted: 12/27/2016] [Indexed: 02/01/2023]
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50
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Battula SRK, Rama Kishore Putta VP, Subbareddy GV, Chakravarthy IE, Saravanan V. A divergent and metal free synthesis of sulfoximine tethered imidazoles, imidazopyridines, imidazothiazoles, imidazobenzothiazines, thiazoles and selenazoles. Org Biomol Chem 2017; 15:3742-3755. [DOI: 10.1039/c7ob00601b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A divergent and metal free approach has been successfully developed for the synthesis of sulfoximine tethered heterocycles from a α-bromoalkanone building block.
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Affiliation(s)
- S. R. K. Battula
- Medicinal Chemistry
- Jubilant Biosys Ltd
- Bangalore
- India
- Department of Chemistry
| | | | - G. V. Subbareddy
- Department of Chemistry
- Jawaharlal Nehru Technological University Ananthapur College of Engineering Pulivendula
- Kadapa
- India
| | | | - V. Saravanan
- Medicinal Chemistry
- Jubilant Biosys Ltd
- Bangalore
- India
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