4-(4-methylpiperazin-1-yl)-6-(1,2,3,4-tetrahydroisoquinolin-7-yl)pyrimidin-2-amine hydrochloride 、
1-叔丁氧羰基-4-哌啶乙酸 在
(benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、
三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以79%的产率得到tert-butyl 4-{2-[7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-3,4-dihydroisoquinolin-2(1H)-yl]-2-oxoethyl}piperidine-1-carboxylate