4-(tert-butoxycarbonylamino)-2-(4-chloro-3-fluorophenyl)-4-methylpentanoic acid 、 5-methyl-4-(piperazin-1-yl)-5,7-dihydrofuro[3,4-d]pyrimidine dihydrochloride 在
三乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、
盐酸 作用下,
以
二氯甲烷 、
1,4-二氧六环 为溶剂,
以61%的产率得到4-amino-2-(4-chloro-3-fluorophenyl)-4-methyl-1-(4-(5-methyl-5,7-dihydrofuro[3,4-d]pyrimidin-4-yl)piperazin-1-yl)pentan-1-one dihydrochloride