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Chandrasekhar S, Raghu MS, Yogesh Kumar K, Alharethy F, Prashanth MK, Jeon BH. Theoretical and experimental investigation of novel quinazoline derivatives: synthesis, photophysical, reactive properties, molecular docking and selective HSA biointeraction. J Biomol Struct Dyn 2024; 42:6772-6787. [PMID: 37477248 DOI: 10.1080/07391102.2023.2237590] [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: 05/19/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
Two new quinazoline derivatives (2a and 2b) were successfully synthesized in this work using the condensation technique in excellent yields. Using spectroscopic techniques and elemental analyses, the compounds were completely characterized. Density functional theory (DFT) computations have been used to examine the title compound's reactive characteristics. Chemical reactivity was predicted using local reactive descriptors and molecule electrostatic potential. Additionally, Time dependent DFT (TD-DFT) simulations were used to examine the impact of solvents on the photophysical characteristics. The affinity of compounds 2a and 2b for human serum albumin (HSA) was further explored using several electronic spectroscopies. Through static mechanisms, both compounds reduce the intrinsic fluorescence of HSA. It is determined that the HSA-2b complex's binding constant is significantly greater than the HSA-2a complex. The fluorescence spectrum measurements proved that the HSA underwent structural changes after interaction with these compounds. It was demonstrated by site marker competitive displacement studies that compounds 2a and 2b preferred to bind to site I in HSA subdomain IIA. Additionally, synchronised fluorescence spectra were utilized to analyze how HSA's conformation changed after interacting with various substances. The molecular docking investigations of these compounds with the three critical HSA binding sites, comprising subdomains IIA, IIIA, and IB, further confirmed the experimental findings. The significant contact between the investigated compounds and HSA was supported by the docking simulations.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- S Chandrasekhar
- Department of Physics, B N M Institute of Technology, Bengaluru, India
| | - M S Raghu
- Department of Chemistry, New Horizon College of Engineering, Bengaluru, India
| | - K Yogesh Kumar
- Department of Chemistry, Faculty of Engineering and Technology, Jain University, Ramanagara, India
| | - Fahd Alharethy
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - M K Prashanth
- Department of Chemistry, B N M Institute of Technology, Bengaluru, India
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, Republic of Korea
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Raghu MS, Yogesh Kumar K, Shamala T, Alharti FA, Prashanth MK, Jeon BH. Synthesis, antitubercular profile and molecular docking studies of quinazolinone-based pyridine derivatives against drug-resistant tuberculosis. J Biomol Struct Dyn 2024; 42:3307-3317. [PMID: 37261798 DOI: 10.1080/07391102.2023.2217928] [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: 01/04/2023] [Accepted: 05/03/2023] [Indexed: 06/02/2023]
Abstract
The promising quinazolinone-based pyridine derivatives (4a-j) were synthesized and subsequently tested for their antimycobacterial activities against the various drug-sensitive and drug-resistant Mycobacterium tuberculosis (Mtb) strains to combat infectious diseases and address growing concerns about the devastating effects of tuberculosis (TB). Utilizing 1H NMR, 13C NMR, and mass spectra, the structural and molecular confirmation of the synthesized compounds were deciphered. With minimum inhibitory concentration (MIC) values ranging from 0.31 to 19.13 μM, the results showed that compounds 4e and 4f showed promise anti-TB action against both drug-sensitive and drug-resistant TB strains. To study the cytotoxicity of synthesized molecules, normal Vero and mouse macrophage (RAW264.7) cell lines were utilized. Remarkably, it was revealed that at the highest concentration tested, none of the newly synthesized molecules were toxic to the Vero cell line. The binding patterns of the potent compounds 4b, 4e and 4f in the active site of the mycobacterial membrane protein Large 3 (MmpL3) protein are also revealed by molecular docking studies, which has contributed to the development of a structural rationale for Mtb inhibition. The physicochemical characteristics of the compounds were then predicted using theoretical calculations. Overall, the molecular docking results, physiochemical properties, and observed antimycobacterial activity all point to compound 4e with trifluoromethyl and compound 4f with nitro moiety as potential quinazolinone linked pyridine-based MmpL3 inhibitors.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- M S Raghu
- Department of Chemistry, New Horizon College of Engineering, Bengaluru, India
| | - K Yogesh Kumar
- Department of Chemistry, Faculty of Engineering and Technology, Jain University, Ramanagara, India
| | - T Shamala
- Department of Chemistry, B N M Institute of Technology, Bengaluru, India
| | - Fahad A Alharti
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - M K Prashanth
- Department of Chemistry, B N M Institute of Technology, Bengaluru, India
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, Republic of Korea
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Raghu M, Swarup H, Shamala T, Prathibha B, Kumar KY, Alharethy F, Prashanth M, Jeon BH. Design, synthesis, anticancer activity and docking studies of novel quinazoline-based thiazole derivatives as EGFR kinase inhibitors. Heliyon 2023; 9:e20300. [PMID: 37809937 PMCID: PMC10560058 DOI: 10.1016/j.heliyon.2023.e20300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 08/26/2023] [Accepted: 09/18/2023] [Indexed: 10/10/2023] Open
Abstract
The in vitro anticancer efficacy of a new series of quinazoline-based thiazole derivatives was explored. Three cancer cell lines, MCF-7, HepG2, and A548, as well as the normal Vero cell lines, were tested employing the synthesized quinazoline-based thiazole compounds (4a-j). All of these compounds showed a moderate to significant cytotoxic impact that would have been noticeable and, in some cases, much more pronounced than the widely used drug erlotinib. For the MCF-7, HepG2, and A549 cell lines, respectively, the IC50 values of compound 4i were 2.86, 5.91, and 14.79 μM while those of compound 4j were 3.09, 6.87, and 17.92 μM. For their in vitro inhibitory effects against different EGFR kinases, such as the wild-type, L858R/T790 M, and L858R/T790 M/C797S, all the synthesized compounds were tested. The IC50 values for compound 4f against the wild-type, L858R/T790 M, and L858R/T790 M/C797S mutant EGFR kinases were 2.17, 2.81, and 3.62 nM, respectively. Investigations on the molecular docking of significant molecules indicated potential mechanisms of binding into the EGFR kinase active sites. By using in-silico simulations, compounds' putative drug-like qualities were verified. Finally, it has been shown that the newly synthesized compounds 4i and 4j are good candidates and beneficial for future design, optimization, and research to build more potent and selective EGFR kinase inhibitors with higher anticancer activity.
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Affiliation(s)
- M.S. Raghu
- Department of Chemistry, New Horizon College of Engineering, Bengaluru, 560 103, India
| | - H.A. Swarup
- Department of Chemistry, B N M Institute of Technology, Bengaluru, 560 070, India
| | - T. Shamala
- Department of Chemistry, B N M Institute of Technology, Bengaluru, 560 070, India
| | - B.S. Prathibha
- Department of Chemistry, B N M Institute of Technology, Bengaluru, 560 070, India
| | - K. Yogesh Kumar
- Department of Chemistry, Faculty of Engineering and Technology, Jain University, Ramanagara, 562 112, India
| | - Fahd Alharethy
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - M.K. Prashanth
- Department of Chemistry, B N M Institute of Technology, Bengaluru, 560 070, India
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
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Yousef TA, Alhamzani AG, Abou-Krisha MM, Kanthimathi G, Raghu M, Kumar KY, Prashanth M, Jeon BH. Synthesis, molecular docking study and anticancer activity of novel 1,3,4-oxadiazole derivatives as potential tubulin inhibitors. Heliyon 2023; 9:e13460. [PMID: 36846693 PMCID: PMC9947267 DOI: 10.1016/j.heliyon.2023.e13460] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/11/2023] Open
Abstract
The current study reports on the synthesis and anticancer efficacy of novel oxadiazole derivatives (8a-f) as tubulin polymerization inhibitors. NMR, mass, and elemental studies were used to confirm the newly produced compounds. In contrast to the conventional medicine colchicine, compounds 8e and 8f demonstrated stronger sensitivity and improved IC50 values in the range of 3.19-8.21 μM against breast MCF-7, colorectal HCT116, and liver HepG2 cancer cell lines. The target compounds were tested for enzymatic activity against the tubulin enzyme. Compounds 8e and 8f were shown to have the most effective inhibitory action among the new compounds, with IC50 values of 7.95 and 9.81 nM, respectively. As compared to the reference drug, molecular docking investigations of the developed compounds revealed the crucial hydrogen bonding in addition to the hydrophobic interaction at the binding site, assisting in the prediction of the structural requirements for the found anticancer activity. These findings indicate that the 1,3,4-oxadizole scaffold has the potential for future research into new anticancer medicines.
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Affiliation(s)
- Tarek A. Yousef
- College of Science, Chemistry Department, Imam Mohammad Ibn Saud Islamic University, Riyadh 11623, Saudi Arabia
- Department of Toxic and Narcotic Drug, Forensic Medicine, Mansoura Laboratory, Medicolegal Organization, Ministry of Justice, Egypt
| | - Abdulrahman G. Alhamzani
- College of Science, Chemistry Department, Imam Mohammad Ibn Saud Islamic University, Riyadh 11623, Saudi Arabia
| | - Mortaga M. Abou-Krisha
- College of Science, Chemistry Department, Imam Mohammad Ibn Saud Islamic University, Riyadh 11623, Saudi Arabia
- Department of Chemistry, South Valley University, Qena, 83523, Egypt
| | - G. Kanthimathi
- Department of Chemistry, Ramco Institute of Technology, Rajapalayam, Tamilnadu, 626117, India
| | - M.S. Raghu
- Department of Chemistry, New Horizon College of Engineering, Bengaluru 560 103, India
| | - K. Yogesh Kumar
- Department of Chemistry, Faculty of Engineering and Technology, Jain University, Ramanagara, 562 112, India
| | - M.K. Prashanth
- Department of Chemistry, B N M Institute of Technology, Bengaluru 560 070, India
- Corresponding author.
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea
- Corresponding author. Department of Earth Resources and Environmental Engineering, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea.
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Mamidala A, Bokkala K, Thirukovela NS, Sirassu N, Bandari S, Nukala SK. Synthesis of Quinoline‐Morpholine‐Coupled 1,2,3‐Triazole Hybrids as
In vitro
EGFR inhibitors. ChemistrySelect 2022. [DOI: 10.1002/slct.202203763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Annapurna Mamidala
- Department of Chemistry Chaitanya (Deemed to be University), Kishanpura Hanumakonda Telangana India
- Telangana Social Welfare Residential Degree and PG College for Women, Mahendrahills Hyderabad Telangana India
| | - Karthik Bokkala
- Department of Chemistry Chaitanya (Deemed to be University), Kishanpura Hanumakonda Telangana India
- Department of Chemistry Sreenidhi Institute of Science and Technology, Yamnampet, Ghatkesar Hyderabad Telangana India
| | | | - Narsimha Sirassu
- Department of Chemistry Chaitanya (Deemed to be University), Kishanpura Hanumakonda Telangana India
| | - Srinivas Bandari
- Department of Chemistry Chaitanya (Deemed to be University), Kishanpura Hanumakonda Telangana India
| | - Satheesh Kumar Nukala
- Department of Chemistry Chaitanya (Deemed to be University), Kishanpura Hanumakonda Telangana India
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Alhamzani AG, Yousef TA, Abou-Krisha MM, Raghu M, Yogesh Kumar K, Prashanth M, Jeon BH. Design, synthesis, molecular docking and pharmacological evaluation of novel triazine-based triazole derivatives as potential anticonvulsant agents. Bioorg Med Chem Lett 2022; 77:129042. [DOI: 10.1016/j.bmcl.2022.129042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/12/2022] [Accepted: 10/27/2022] [Indexed: 11/06/2022]
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Synthesis, biological evaluation and molecular docking studies of novel pyrrolo[2,3-d]pyrimidin-2-amine derivatives as EGFR inhibitors. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Synthesis of novel 4,7-disubstituted quinoline derivatives as autophagy inducing agents via targeting stabilization of ATG5. Bioorg Chem 2022; 127:105998. [DOI: 10.1016/j.bioorg.2022.105998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 06/03/2022] [Accepted: 06/27/2022] [Indexed: 11/24/2022]
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Salah N, Emara AAA, Adly OMI, Taha A, Nabeel AI, Aziz MA, Ibrahim MA. Novel NO
2
semicarbazone ligand and its metal complexes as VEGFR‐2 inhibitors: Synthesis, spectral characterization, DFT calculations, molecular docking, antimicrobial and antitumor evaluation. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nesma Salah
- Department of Chemistry, Faculty of Education Ain Shams University, Roxy Cairo Egypt
| | - Adel A. A. Emara
- Department of Chemistry, Faculty of Education Ain Shams University, Roxy Cairo Egypt
| | - Omima M. I. Adly
- Department of Chemistry, Faculty of Education Ain Shams University, Roxy Cairo Egypt
| | - A. Taha
- Department of Chemistry, Faculty of Education Ain Shams University, Roxy Cairo Egypt
| | - Asmaa I. Nabeel
- Department of Chemistry, Faculty of Education Ain Shams University, Roxy Cairo Egypt
| | - Maged A. Aziz
- Department of Chemistry, Faculty of Science Zagazig University Zagazig Egypt
| | - Magdy A. Ibrahim
- Department of Chemistry, Faculty of Education Ain Shams University, Roxy Cairo Egypt
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Veena K, Raghu M, Yogesh Kumar K, Pradeep Kumar C, Alharti FA, Prashanth M, Jeon BH. Design and synthesis of novel benzimidazole linked thiazole derivatives as promising inhibitors of drug-resistant tuberculosis. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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