Design, synthesis and biological evaluation of novel 5-((substituted quinolin-3-yl/1-naphthyl) methylene)-3-substituted imidazolidin-2,4-dione as HIV-1 fusion inhibitors. 2020

Tarek S Ibrahim, and Riham M Bokhtia, and Amany M M Al-Mahmoudy, and Ehab S Taher, and Mohammed A AlAwadh, and Mohamed Elagawany, and Eatedal H Abdel-Aal, and Siva Panda, and Ahmed M Gouda, and Hany Z Asfour, and Nabil A Alhakamy, and Bahaa G M Youssif
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt. Electronic address: tmabrahem@kau.edu.sa.

A series of novel 5-(substituted quinolin-3-yl or 1-naphthyl)methylene)-3-substituted imidazolidin-2,4-dione 9-26 was designed and synthesized. The prepared compounds were identified using 1H NMR, 13C NMR as well as elemental analyses. The inhibitory activity of 9-26 on HIV-1IIIB replication in MT-2 cells was evaluated. Some derivatives showed good to excellent anti-HIV activities as compounds 13, 18, 19, 20, 22 and 23. They showed EC50 of 0.148, 0.460, 0.332, 0.50, 0.271 and 0.420 μM respectively being more potent than compound I (EC50 = 0.70 μM) and II ( EC50 = 2.40 μM) as standards. The inhibitory activity of 9-26 on infected primary HIV-1 domain, 92US657 (clade B, R5) was investigated. All the tested compounds consistently inhibited infection of this virus with EC50 from 0.520 to 11.857 μM. Results from SAR studies showed that substitution on ring A with 6/7/8-methyl group resulted in significant increase in the inhibitory activity against HIV-1IIIB infection (5- >300 times) compared to the unsubstituted analog 9. The cytotoxicity of these compounds on MT-2 cells was tested and their CC50 values ranged from 11 to 85 μM with selectivity indexes ranged from 0.53 to 166. The docking study revealed nice fitting of the new compounds into the hydrophobic pocket of HIV-1 gp41 and higher affinity than NB-64. Compound 13, the most active in preventing HIV-1IIIB infection, adopted a similar orientation to compound IV. Molecular docking analysis of the new compounds revealed hydrogen bonding interactions between the imidazolidine-2,4-dione ring and LYS574 which were missed in the weakly active derivatives.

UI MeSH Term Description Entries
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D015195 Drug Design The molecular designing of drugs for specific purposes (such as DNA-binding, enzyme inhibition, anti-cancer efficacy, etc.) based on knowledge of molecular properties such as activity of functional groups, molecular geometry, and electronic structure, and also on information cataloged on analogous molecules. Drug design is generally computer-assisted molecular modeling and does not include PHARMACOKINETICS, dosage analysis, or drug administration analysis. Computer-Aided Drug Design,Computerized Drug Design,Drug Modeling,Pharmaceutical Design,Computer Aided Drug Design,Computer-Aided Drug Designs,Computerized Drug Designs,Design, Pharmaceutical,Drug Design, Computer-Aided,Drug Design, Computerized,Drug Designs,Drug Modelings,Pharmaceutical Designs
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular
D015497 HIV-1 The type species of LENTIVIRUS and the etiologic agent of AIDS. It is characterized by its cytopathic effect and affinity for the T4-lymphocyte. Human immunodeficiency virus 1,HIV-I,Human Immunodeficiency Virus Type 1,Immunodeficiency Virus Type 1, Human
D048289 Imidazolidines Compounds based on reduced IMIDAZOLINES which contain no double bonds in the ring. Imidazolidine
D062105 Molecular Docking Simulation A computer simulation technique that is used to model the interaction between two molecules. Typically the docking simulation measures the interactions of a small molecule or ligand with a part of a larger molecule such as a protein. Molecular Docking,Molecular Docking Simulations,Molecular Docking Analysis,Analysis, Molecular Docking,Docking Analysis, Molecular,Docking Simulation, Molecular,Docking, Molecular,Molecular Docking Analyses,Molecular Dockings,Simulation, Molecular Docking
D019380 Anti-HIV Agents Agents used to treat AIDS and/or stop the spread of the HIV infection. These do not include drugs used to treat symptoms or opportunistic infections associated with AIDS. AIDS Drug,AIDS Drugs,Anti-AIDS Agents,Anti-AIDS Drug,Anti-HIV Agent,Anti-HIV Drug,Anti-AIDS Drugs,Anti-HIV Drugs,Agent, Anti-HIV,Agents, Anti-AIDS,Agents, Anti-HIV,Anti AIDS Agents,Anti AIDS Drug,Anti AIDS Drugs,Anti HIV Agent,Anti HIV Agents,Anti HIV Drug,Anti HIV Drugs,Drug, AIDS,Drug, Anti-AIDS,Drug, Anti-HIV,Drugs, AIDS,Drugs, Anti-AIDS,Drugs, Anti-HIV
D023581 HIV Fusion Inhibitors Inhibitors of the fusion of HIV to host cells, preventing viral entry. This includes compounds that block attachment of HIV ENVELOPE PROTEIN GP120 to CD4 RECEPTORS. Fusion Inhibitors, HIV,HIV Cell Fusion Inhibitor,HIV Entry Inhibitor,HIV Entry Inhibitors,HIV Fusion Inhibitor,HIV Fusion Protein Inhibitor,HIV Cell Fusion Inhibitors,HIV Fusion Protein Inhibitors,Entry Inhibitor, HIV,Entry Inhibitors, HIV,Fusion Inhibitor, HIV,Inhibitor, HIV Entry,Inhibitor, HIV Fusion

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