Synthesis and anti-HIV activity evaluation of 2-(4-(naphthalen-2-yl)-1,2,3-thiadiazol-5-ylthio)-N-acetamides as novel non-nucleoside HIV-1 reverse transcriptase inhibitors

Add time:07/12/2019    Source:sciencedirect.com

A series of 2-(4-(naphthalen-2-yl)-1,2,3-thiadiazol-5-ylthio)acetamide (TTA) derivatives were synthesized and evaluated as potent inhibitors of HIV-1. Among the newly disclosed TTAs, compounds 7f, 7g and 7c were the most potent inhibitors of HIV-1 replication of the series (EC50 = 0.17 ± 0.02, 0.36 ± 0.19 and 0.39 ± 0.05 μM, respectively), coupled with a reasonable selectivity index (SI > 1452, >845, and >774, respectively). They possess improved or similar HIV-1 inhibitory activity compared with NVP (EC50 = 0.208 μM) and DLV (EC50 = 0.320 μM). The preliminary structure–activity relationships among the newly synthesized congeners are discussed briefly and rationalized by docking studies.

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