Abstract
A series of new quinolone-3-carboxylic acids as HIV-1 integrase inhibitors featuring a fluorine atom at C-5 position were synthesized and evaluated for their antiviral activity in C8166 cell culture. These newly synthesized compounds showed anti-HIV activity against wild-type virus with an EC50 value ranging from 29.85 to 0.032 μΜ. The most active compound 4e exhibited activity against wild-type virus and the mutant virus A17 with an EC50 value of 0.032 and 0.082 μΜ, respectively. Preliminary structure–activity relationship of these 5-fluoroquinolone-3-carboxylic acids was also investigated.
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