4-[6-propyl-4-(3-trifluoromethyl-5,6-dihydro-8H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl)-thieno[2,3-d]pyrimidin-2-yl]-piperazine-1-carboxylic acid tert-butyl ester 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以86%的产率得到7-(2-piperazin-1-yl-6-propyl-thieno[2,3-d]pyrimidin-4-yl)-3-trifluoromethyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine