Synthesis and biological evaluation of 6-substituted 5-alkyl-2-(phenylaminocarbonylmethylthio)pyrimidin-4(3H)-ones as potent HIV-1 NNRTIs. 2011

Mingyan Yu, and Zhenyu Li, and Shuai Liu, and Erkang Fan, and Christophe Pannecouque, and Erik De Clercq, and Xinyong Liu
Institute of Medicinal Chemistry, School of Pharmaceutical Sciences, Shandong University, Jinan, PR China.

A series of new 5-alkyl-2-phenylaminocarbonylmethylthiopyrimidin-4(3H)-ones bearing variously substituted arylmethyl moieties at the C6 position of the pyrimidine ring were synthesized and evaluated for anti-HIV activity in MT-4 cells. Most of these new congeners exhibited moderate to good activities against the wild-type virus, with EC(50) values in the range of 1.40-0.19 μM. Among them, 2-[(4-cyanophenylamino)carbonylmethylthio]-6-(2-chloro-6-fluorobenzyl)-5-ethylpyrimidin-4(3H)-one 4 b6 is one of the compounds endowed with the highest broad-spectrum HIV-1 inhibitory activity, with EC(50) values of 0.19±0.005 μM against the wild-type virus, 1.05±0.24 μM (twofold resistance) against the E138K strain, and 2.38±0.13 μM (4.5-fold resistance) against the Y181C strain. Furthermore, reverse transcriptase (RT) inhibition assays against wild-type HIV-1 RT were performed with selected derivatives, confirming that the main target of these compounds is HIV-1 RT and that these new S-DABO analogues act as non-nucleoside RT inhibitors (NNRTIs). Structure-activity relationship and molecular modeling analyses of these new congeners are also discussed.

UI MeSH Term Description Entries
D008958 Models, Molecular Models used experimentally or theoretically to study molecular shape, electronic properties, or interactions; includes analogous molecules, computer-generated graphics, and mechanical structures. Molecular Models,Model, Molecular,Molecular Model
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D011744 Pyrimidinones Heterocyclic compounds known as 2-pyrimidones (or 2-hydroxypyrimidines) and 4-pyrimidones (or 4-hydroxypyrimidines) with the general formula C4H4N2O. Pyrimidinone,Pyrimidone,Pyrimidones
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D003198 Computer Simulation Computer-based representation of physical systems and phenomena such as chemical processes. Computational Modeling,Computational Modelling,Computer Models,In silico Modeling,In silico Models,In silico Simulation,Models, Computer,Computerized Models,Computer Model,Computer Simulations,Computerized Model,In silico Model,Model, Computer,Model, Computerized,Model, In silico,Modeling, Computational,Modeling, In silico,Modelling, Computational,Simulation, Computer,Simulation, In silico,Simulations, Computer
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001665 Binding Sites The parts of a macromolecule that directly participate in its specific combination with another molecule. Combining Site,Binding Site,Combining Sites,Site, Binding,Site, Combining,Sites, Binding,Sites, Combining
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
D054303 HIV Reverse Transcriptase A reverse transcriptase encoded by the POL GENE of HIV. It is a heterodimer of 66 kDa and 51 kDa subunits that are derived from a common precursor protein. The heterodimer also includes an RNAse H activity (RIBONUCLEASE H, HUMAN IMMUNODEFICIENCY VIRUS) that plays an essential role the viral replication process. Reverse Transcriptase, HIV,Reverse Transcriptase, Human Immunodeficiency Virus,Transcriptase, HIV Reverse
D018894 Reverse Transcriptase Inhibitors Inhibitors of reverse transcriptase (RNA-DIRECTED DNA POLYMERASE), an enzyme that synthesizes DNA on an RNA template. Reverse Transcriptase Inhibitor,Inhibitors, Reverse Transcriptase,Inhibitor, Reverse Transcriptase,Transcriptase Inhibitor, Reverse

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