4'-{{4-butyl-6-{2-[(tert-butyldiphenylsilyl)oxy]propoxy}-2-methylpyrimidin-5-yl}methyl}-N'-hydroxy-[1,1'-biphenyl]-2-carboximidamide 以50%的产率得到3-{4'-{[4-butyl-6-(2-[(tert-butyldiphenylsilyl)oxy]propoxy)-2-methylpyrimidin-5-yl]methyl}-[1,1'-biphenyl]-2-yl}-1,2,4-oxadiazol-5(4H)-one