High-throughput screening (HTS) previously identified benzimidazole 1 (JMN3-003) as a compound with broad antiviral activity against different influenza viruses and paramyxovirus strains. In pursuit of a lead compound from this series for development, we sought to increase both the potency and the aqueous solubility of 1. Lead optimization has achieved compounds with potent antiviral activity against a panel of myxovirus family members (EC50 values in the low nanomolar range) and much improved aqueous solubilities relative to that of 1. Additionally, we have devised a robust synthetic strategy for preparing 1 and congeners in an enantio-enriched fashion, which has allowed us to demonstrate that the (S)-enantiomers are generally 7- to 110-fold more potent than the corresponding (R)-isomers.
高通量筛选(H
TS)先前确定
苯并咪唑1(JMN3-003)作为一种具有广谱抗病毒活性的化合物,可对不同流感病毒和副粘病毒株产生作用。为了寻找这一系列化合物中的引导化合物进行开发,我们努力提高
1的效力和
水溶性。引导优化已经获得了对多种粘病毒家族成员具有强效抗病毒活性的化合物(
EC50值在低纳摩尔范围),并且相对于
1的
水溶性有了显著改善。此外,我们已经设计出了一种稳健的合成策略,用于以对映富集的方式制备
1和同系物,这使我们能够证明(
S)-对映体通常比相应的(
R)-异构体更有效,效力提高了7到110倍。