6-amino-2-isopropyl-3,4-dihydroisoquinolin-1(2H)-one 、 ethyl (S)-2-chloro-4-((2-hydroxy-1-phenylethyl)amino)pyrimidine-5-carboxylate 在
对甲苯磺酸 作用下,
以
1,4-二氧六环 为溶剂,
以40 %的产率得到ethyl 4-[[(1S)-2-hydroxy-1-phenylethyl]amino]-2-[(2-isopropyl-1-oxo-3,4-dihydroisoquinolin-6-yl)amino]pyrimidine-5-carboxylate