Short communication2,8-bis(trifluoromethyl)quinoline analogs show improved anti-Zika virus activity, compared to mefloquine

Add time:09/05/2019    Source:sciencedirect.com

Zika virus (ZIKV), an arthropod-born Flavivirus, has been associated with a wide range of neurological diseases in adults, foetuses and neonates. Since no vaccine is available, repurposing of antiviral drugs currently in medical use is necessary. Mefloquine has confirmed anti-ZIKV activity. We used medicinal chemistry-driven approaches to synthesize and evaluate the ability of a series of new 2,8-bis(trifluoromethyl)quinoline derivatives to inhibit ZIKV replication in vitro, in order to improve the potency of mefloquine. We found that quinoline derivatives 3a and 4 were the most potent compounds within this series, both with mean EC50 values of 0.8 μM, which represents a potency 5 times that of mefloquine. These results indicate that new 2,8-bis(trifluoromethyl)quinoline chemical structures may be promising for the development of novel anti-ZIKV drugs.

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