N-cyclopentyl-4-[2-isobutyl-7-(methylsulfinyl)pyrazolo[1,5-a]pyridin-3-yl]3-ylpyrimidin-2-amine 在
silica gel 、
ethyl acetate n-hexane 作用下,
以
环戊胺 为溶剂,
反应 72.0h,
以to give N-cyclopentyl-3-[2-(cyclopentylamino)pyrimidin-4-yl]-2-isobutylpyrazolo[1,5-a]pyridin-7-amine (93 mg, 81%) as a White solid的产率得到N-cyclopentyl-3-[2-(cyclopentylamino)pyrimidin-4-yl]-2-isobutylpyrazolo[1,5-a]pyridin-7-amine