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Discovery of (E)-1-amino-4-phenylbut-3-en-2-ol derivatives as novel neuraminidase inhibitors

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  • Discovery of (E)-1-amino-4-phenylbut-3-en-2-ol derivatives as novel neuraminidase inhibitors

    Bioorg Med Chem Lett. 2018 May 4. pii: S0960-894X(18)30392-5. doi: 10.1016/j.bmcl.2018.05.002. [Epub ahead of print]
    Discovery of (E)-1-amino-4-phenylbut-3-en-2-ol derivatives as novel neuraminidase inhibitors.

    Lu C1, Yin Y2, Meng F1, Dun Y1, Pei K1, Wang C1, Xu X1, Wu F1.
    Author information

    Abstract

    Neuraminidase has been considered as an important target for designing agents against influenza viruses. In a discovery of anti-influenza agents with epigoitrin as the initial lead compound, a series of 1-amino-2-alkanols were synthesized and biologically evaluated. The in vitro evaluation indicated that (E)-1-amino-4-phenylbut-3-en-2-ol (C1) had better inhibitory activities than 2-amino-1-arylethan-1-ol derivatives. To our surprise, sulfonation of C1 with 4-methoxybenzenesulfonyl chloride afforded more active inhibitor II with up to 6.4 μM IC50 value against neuraminidase. Furthermore, docking of inhibitor II into the active site of NA found that the H atoms in both NH2 and OH groups of inhibitor II were the key factors for potency. Molecular docking research did not explained very well the observed structure-activity relationship (SAR) from amino acid residue level, but also aided the discovery of (E)-1-amino-4-phenylbut-3-en-2-ol derivatives as novel and potent NA inhibitors.


    KEYWORDS:

    1-Amino-4-phenylbut-3-en-2-ol derivatives; Influenza; Molecular docking; Neuraminidase; Neuraminidase inhibitor

    PMID: 29748050 DOI: 10.1016/j.bmcl.2018.05.002
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