(S)-N-(2,5-Dimethylphenyl)-1-(quinoline-8-ylsulfonyl)pyrrolidine-2-carboxamide as a Small Molecule Inhibitor Probe for the Study of Respiratory Syncytial Virus InfectionClick to copy article linkArticle link copied!
- Blake P. Moore
- Dong Hoon Chung
- Daljit S. Matharu
- Jennifer E. Golden
- Clinton Maddox
- Lynn Rasmussen
- James W. Noah
- Melinda I. Sosa
- Subramaniam Ananthan
- Nichole, A. Tower
- E. Lucile White
- Fuli Jia
- Thomas E. Prisinzano
- Jeffrey Aubé
- Colleen B. Jonsson
- William E. Severson
Abstract

A high-throughput, cell-based screen was used to identify chemotypes as inhibitors for human respiratory syncytial virus (hRSV). Optimization of a sulfonylpyrrolidine scaffold resulted in compound 5o that inhibited a virus-induced cytopathic effect in the entry stage of infection (EC50 = 2.3 ± 0.8 μM) with marginal cytotoxicity (CC50 = 30.9 ± 1.1 μM) and reduced viral titer by 100-fold. Compared to ribavirin, sulfonylpyrrolidine 5o demonstrated an improved in vitro potency and selectivity index.
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