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  • Title: Exploiting the tolerant region I of the non-nucleoside reverse transcriptase inhibitor (NNRTI) binding pocket. Part 2: Discovery of diarylpyrimidine derivatives as potent HIV-1 NNRTIs with high Fsp3 values and favorable drug-like properties.
    Author: Jiang X, Huang B, Olotu FA, Li J, Kang D, Wang Z, De Clercq E, Soliman MES, Pannecouque C, Liu X, Zhan P.
    Journal: Eur J Med Chem; 2021 Mar 05; 213():113051. PubMed ID: 33279288.
    Abstract:
    To yield potent HIV-1 non-nucleoside reverse transcriptase inhibitors (NNRTIs) with favorable drug-like properties, a series of novel diarylpyrimidine derivatives targeting the tolerant region I of the NNRTI binding pocket were designed, synthesized and biologically evaluated. The most active inhibitor 10c exhibited outstanding antiviral activity against most of the viral panel, being about 2-fold (wild-type, EC50 = 0.0021 μM), 1.7-fold (K103N, EC50 = 0.0019 μM), and slightly more potent (E138K, EC50 = 0.0075 μM) than the NNRTI drug etravirine (ETR). Additionally, 10c was endowed with relatively low cytotoxicity (CC50 = 18.52 μM). More importantly, 10c possessed improved drug-like properties compared to those of ETR with an increased Fsp3 (Fraction of sp3 carbon atoms) value. Furthermore, the molecular dynamics simulation and molecular docking studies were implemented to reveal the binding mode of 10c in the binding pocket. Taken together, 10c is a promising lead compound that is worth further investigation.
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