tert-butyl 2-(4-chloro-3-(2-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamido)benzamido)-2-phenylethylcarbamate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 3.0h,
以89.9%的产率得到N-(5-(2-amino-1-phenylethylcarbamoyl)-2-chlorophenyl)-2-methyl-7-oxo-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxamide hydrochloride