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Yadav O, Kumar M, Mittal H, Yadav K, Seidel V, Ansari A. Theoretical exploration on structures, bonding aspects and molecular docking of α-aminophosphonate ligated copper complexes against SARS-CoV-2 proteases. Front Pharmacol 2022; 13:982484. [PMID: 36263127 PMCID: PMC9575937 DOI: 10.3389/fphar.2022.982484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/24/2022] [Indexed: 11/13/2022] Open
Abstract
Recent years have witnessed a growing interest in the biological activity of metal complexes of α-aminophosphonates. Here for the first time, a detailed DFT study on five α-aminophosphonate ligated mononuclear/dinuclear CuII complexes is reported using the dispersion corrected density functional (B3LYP-D2) method. The electronic structures spin densities, FMO analysis, energetic description of spin states, and theoretical reactivity behaviour using molecular electrostatic potential (MEP) maps of all five species are reported. All possible spin states of the dinuclear species were computed and their ground state S values were determined along with the computation of their magnetic coupling constants. NBO analysis was also performed to provide details on stabilization energies. A molecular docking study was performed for the five complexes against two SARS-CoV-2 coronavirus protein targets (PDB ID: 6LU7 and 7T9K). The docking results indicated that the mononuclear species had a higher binding affinity for the targets compared to the dinuclear species. Among the species investigated, species I showed the highest binding affinity with the SARS-CoV-2 Omicron protease. NPA charge analysis showed that the heteroatoms of model species III had a more nucleophilic nature. A comparative study was performed to observe any variations and/or correlations in properties among all species.
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Affiliation(s)
- Oval Yadav
- Department of Chemistry, Central University of Haryana, Mahendergarh, India
| | - Manjeet Kumar
- Department of Chemistry, Central University of Haryana, Mahendergarh, India
| | - Himanshi Mittal
- Department of Chemistry, Central University of Haryana, Mahendergarh, India
| | - Kiran Yadav
- Department of Chemistry, Central University of Haryana, Mahendergarh, India
| | - Veronique Seidel
- Natural Products Research Laboratory, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
- *Correspondence: Veronique Seidel, ; Azaj Ansari,
| | - Azaj Ansari
- Department of Chemistry, Central University of Haryana, Mahendergarh, India
- *Correspondence: Veronique Seidel, ; Azaj Ansari,
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Sarva S, Dunnutala R, Tellamekala S, Gundluru M, Cirandur SR. Green synthesis and antimicrobial activity of substituted diethyl (((5-(ethylthio)-1,3,4-thiadiazol-2-yl)amino)(phenyl)methyl)phosphonates. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2021.2020844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Santhisudha Sarva
- Department of Chemistry, Sri Venkateswara University, Tirupati, India
| | - Renuka Dunnutala
- Department of Chemistry, Sri Venkateswara University, Tirupati, India
| | | | - Mohan Gundluru
- Department of Chemistry, Sri Venkateswara University, Tirupati, India
- DST–PURSE Centre, Sri Venkateswara University, Tirupati, India
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Aita S, Badavath VN, Gundluru M, Sudileti M, Nemallapudi BR, Gundala S, Zyryanov GV, Chamarti NR, Cirandur SR. Novel α-Aminophosphonates of imatinib Intermediate: Synthesis, anticancer Activity, human Abl tyrosine kinase Inhibition, ADME and toxicity prediction. Bioorg Chem 2021; 109:104718. [PMID: 33618257 DOI: 10.1016/j.bioorg.2021.104718] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 01/13/2021] [Accepted: 02/01/2021] [Indexed: 02/07/2023]
Abstract
An efficient method for the synthesis of a new class of α-aminophosphonates of imatinib derivative has been developed in one-pot Kabachnik-Fields reaction of N-(5-amino-2-methyl phenyl)-4-(3-pyridyl)-2-pyrimidine amine with various aldehydes and diethyl phosphite under microwave irradiation and neat conditions using NiO nanoparticles as an reusable and heterogeneous catalyst, with 96% yield at 450 W within 15 min. All the compounds were evaluated for their in vitro cytotoxicity with various cancer cell lines by MTT assay method. Compounds with halo (4f, -4Br, IC50 = 1.068 ± 0.88 µM to 2.033 ± 0.97 µM), nitro substitution (4 h, -3NO2, IC50 = 1.380 ± 0.94 µM to 2.213 ± 0.64 µM), (4 g, -4NO2, IC50 = 1.402 ± 0.79 µM to 2.335 ± 0.73 µM) and (4i, 4-Cl, 3-NO2, IC50 = 1.437 ± 0.92 µM to 2.558 ± 0.76 µM) were showed better anticancer activity when compared with standard drugs Doxorubicin and Imatinib using MTT assay method. Further in silico target hunting reveals the anticancer activity of the designed compounds by inhibiting human ABL tyrosine kinase and all the designed compounds have shown significant drug-like characteristics.
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Affiliation(s)
- Saikiran Aita
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
| | - Vishnu Nayak Badavath
- Institute for Drug Research, The Hebrew University of Jerusalem, Jerusalem 9112001, Israel.
| | - Mohan Gundluru
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India; DST-PURSE Centre, Sri Venkateswara University, Tirupati-517502, A.P., India.
| | - Murali Sudileti
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
| | | | - Sravya Gundala
- Chemical Engineering Institute, Ural Federal University, Yekaterinburg 620002, Russian Federation.
| | - Grigoriy Vasilievich Zyryanov
- Chemical Engineering Institute, Ural Federal University, Yekaterinburg 620002, Russian Federation; Ural Division of the Russian Academy of Sciences, I. Ya. Postovskiy Institute of Organic Synthesis, 22 S. Kovalevskoy Street, Yekaterinburg 620219, Russian Federation.
| | - Naga Raju Chamarti
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
| | - Suresh Reddy Cirandur
- Department of Chemistry, Sri Venkateswara University, Tirupati 517 502, A.P., India.
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Gundluru M, Badavath VN, Shaik HY, Sudileti M, Nemallapudi BR, Gundala S, Zyryanov GV, Cirandur SR. Design, synthesis, cytotoxic evaluation and molecular docking studies of novel thiazolyl α-aminophosphonates. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04321-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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