trifluoro-methanesulfonic acid 6-carbamoylmethylsulfanyl-5-cyano-4-isopropyl-pyridin-2-yl ester 、 2-(piperidin-4-ylamino)-1-pyridin-2-yl-ethanol dihydrochloride salt 在
三乙胺 、
potassium tert-butylate 作用下,
以
1,4-二氧六环 为溶剂,
反应 6.0h,
以39%的产率得到3-amino-6-[4-(2-hydroxy-2-pyridin-2-yl-ethylamino)-piperidin-1-yl]-4-isopropyl-thieno[2,3-b]pyridine-2-carboxylic acid amide