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  • Title: Design, synthesis and biological evaluation of 3-substituted 2,5-dimethyl-N-(3-(1H-tetrazol-5-yl)phenyl)pyrroles as novel potential HIV-1 gp41 inhibitors.
    Author: He XY, Zou P, Qiu J, Hou L, Jiang S, Liu S, Xie L.
    Journal: Bioorg Med Chem; 2011 Nov 15; 19(22):6726-34. PubMed ID: 22014749.
    Abstract:
    Based on the structure of HIV-1 gp41 binding site for small-molecule inhibitors, optimization of lead 2 resulted in the discovery of a new series of 2,5-dimethyl-3-(5-(N-phenylrhodaninyl)methylene)-N-(3-(1H-tetrazol-5-yl)phenyl)pyrrole compounds with improved anti-HIV-1 activity. The most active compounds 13a and 13j exhibited significant potency against gp41 6-HB formation with IC(50) values of 4.4 and 4.6 μM and against HIV-1 replication in the MT-2 cells with EC(50) values of 3.2 and 2.2 μM, respectively, thus providing a new starting point to develop highly potent small-molecule HIV fusion inhibitors targeting gp41.
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