7-Amino-2-[4-(4-ethylpiperazin-1-yl)-2-methoxyphenylamino]-8-(2-hydroxy-2-methylpropyl)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide 在
盐酸 作用下,
以
1,4-二氧六环 、
甲醇 为溶剂,
反应 0.5h,
以90%的产率得到7-amino-2-[4-(4-ethylpiperazin-1-yl)-2-methoxyphenylamino]-8-(2-hydroxy-2-methylpropyl)-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide dihydrochloride