Design, synthesis and anti-HIV evaluation of novel diarylpyridine derivatives targeting the entrance channel of NNRTI binding pocket

European Journal of Medicinal Chemistry
Jiapei YangXinyong Liu

Abstract

The development of novel NNRTIs with activity against variants of HIV-1RT is crucial for overcoming treatment failure. In the present study, a series of novel 6-substituted diarylpyridine derivatives targeting the entrance channel of the NNIBP of RT were designed through a molecular hybridization strategy. Encouragingly, these new diarylpyridine derivatives were found to be active against wild-type (WT) HIV-1 with an EC50 values ranging from 0.035 μM to 1.99 μM. Nearly half of them exhibited more potent inhibitory activities in cellular assays than the control drug nevirapine (NVP). Notably, three most promising compounds If (EC50 = 35 nM), Ia (EC50 = 43 nM) and IIa (EC50 = 41 nM) showed high potency against WT and were comparable to the reference drug delavirdine (DLV) (EC50 = 33 nM). Moreover, compounds Ib, IIb and IIh displayed effective activity against the most common clinically observed single and double-mutated HIV-1 strains in micromolar concentrations. In particular, the inhibition of IIb against the K103N mutation (EC50 = 49 nM), which confers resistance to a wide variety of NNRTIs, was about 140 times more effective than NVP (EC50 = 6.78 μM), 50 times more than DLV (EC50 = 2.48 μM) and about 3 times more than EFV (EC...Continue Reading

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Citations

Jan 25, 2020·Current Topics in Medicinal Chemistry·Luiz Claudio Ferreira PimentelMonica Macedo Bastos
Jun 9, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Olga TarasovaAlexander Veselovsky

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