2-(5-Isopropyl-1,2,4-Oxadiazol-3-Yl)Ethanamine Hcl

2-(5-Isopropyl-1,2,4-oxadiazol-3-yl)ethanamine Hydrochloride is used to prepare fused bicyclic derivatives as PI3 kinase inhibitors useful in the treatment and prophylaxis of various diseases.