1002726-62-6

6-Amino-2,2-dimethyl-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one is a useful intermediate for the preparation of protein kinase inhibitors.

6-amino-2,2-dimethyl-2h-pyrido[3,2-b][1,4]oxazin-3(4h)-one is the key intermediate of Fostamatinib, which is a medication approved by the U.S. Food and Drug Administration since 2018 for the treatment of chronic immune thrombocytopenia (ITP).