7-butyl-4-[4-(1-methylethoxy)phenyl]-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one 在
potassium hydroxide 作用下,
以
水 、
异丙醇 为溶剂,
以63%的产率得到7-butyl-4-[4-(1-methylethoxy)phenyl]-6-{[2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl}[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one potassium salt