Novartis Institute of Biomedical Research, Forum 1, Novartis Campus, 4056 Basel, Switzerland
Abstract:
A novel series of pyrazolo1,5a]pyrimidines was optimized to target lymphocyte-specific kinase (Lck). An efficient synthetic route was developed and SAR studies toward activity and selectivity are described, leading to Lck inhibitors with enzymatic, cellular and in vivo potency.