Abstract
Spiropyrazolopyridone 1 was identified, as a novel dengue virus (DENV) inhibitor, from a DENV serotype 2 (DENV-2) high-throughput phenotypic screen. As a general trend within this chemical class, chiral resolution of the racemate revealed that R enantiomer was significantly more potent than the S. Cell-based lead optimization of the spiropyrazolopyridones focusing on improving the physicochemical properties is described. As a result, an optimal compound 14a, with balanced in vitro potency and pharmacokinetic profile, achieved about 1.9 log viremia reduction at 3 × 50 mg/kg (bid) or 3 × 100 mg/kg (QD) oral doses in the dengue in vivo mouse efficacy model.
Original language | English (US) |
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Pages (from-to) | 344-348 |
Number of pages | 5 |
Journal | ACS Medicinal Chemistry Letters |
Volume | 6 |
Issue number | 3 |
DOIs | |
State | Published - Mar 12 2015 |
Keywords
- Dengue virus (DENV)
- lead optimization
- spiropyrazolopyridones
- structure-activity relationship
ASJC Scopus subject areas
- Biochemistry
- Drug Discovery
- Organic Chemistry