Structure-Based Drug Design of Novel Potent and Selective Tetrahydropyrazolo[1,5-a]pyrazines as ATR Inhibitors.
Barsanti, P.A., Aversa, R.J., Jin, X., Pan, Y., Lu, Y., Elling, R., Jain, R., Knapp, M., Lan, J., Lin, X., Rudewicz, P., Sim, J., Taricani, L., Thomas, G., Xiao, L., Yue, Q.(2015) ACS Med Chem Lett 6: 37-41
- PubMed: 25589927 
- DOI: 10.1021/ml500353p
- Primary Citation of Related Structures:  
4WAF - PubMed Abstract: 
A saturation strategy focused on improving the selectivity and physicochemical properties of ATR inhibitor HTS hit 1 led to a novel series of highly potent and selective tetrahydropyrazolo[1,5-a]pyrazines. Use of PI3Kα mutants as ATR crystal structure surrogates was instrumental in providing cocrystal structures to guide the medicinal chemistry designs ...