ethyl (4R)-4-(4-cyanophenyl)-6-methyl-2-oxo-3-(3-oxopropyl)-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidine-5-carboxylate 、
1,5-双(甲氨基)-3-氧杂戊烷 在
PS-Triacetoxyborohydride 作用下,
以
四氢呋喃 为溶剂,
以25%的产率得到ethyl (4R)-4-(4-cyanophenyl)-3-[3-[2-[2-[3-[(4R)-4-(4-cyanophenyl)-5-ethoxycarbonyl-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidin-3-yl]propyl-methylamino]ethoxy]ethyl-methylamino]propyl]-6-methyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-4H-pyrimidine-5-carboxylate