Antiviral Research
Antiviral Research
5 years ago

Bis(benzofuran–thiazolidinone)s and bis(benzofuran–thiazinanone)s as inhibiting agents for chikungunya virus

Bis(benzofuran–thiazolidinone)s and bis(benzofuran–thiazinanone)s as inhibiting agents for chikungunya virus
There are currently still no approved antiviral drugs to treat or prevent chikungunya virus (CHIKV) infections despite the fact that this arbovirus continues to cause outbreaks in Africa, Asia, and South- and Central-America. Thus 20 new conjugated compounds in the families of bis(benzofuran–1,3-thiazolidin-4-one)s and bis(benzofuran–1,3-thiazinan-4-one)s were designed based on the structural features of suramin. These new compounds were synthesized by chemical methods and their structures were confirmed spectroscopically. In CPE reduction assays, six of these new bis-conjugates inhibited CHIKV replication in Vero E6 cells with EC50 in the range of 1.9–2.7 μM and selectivity index values of ∼75 or higher. These results and compounds provide a starting point for further optimization, design, and synthesis of new antiviral agents for this (re)emerging disease.

Publisher URL: www.sciencedirect.com/science

DOI: S0166354217304564

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