2-(5-ethoxycarbonyl-4-oxo-2-phenyl-3,4-dihydropyrimidin-3-yl)-N-{2-hydroxy-3-oxo-1-phenylmethyl-6-(2-pyridyl-oxy)}hexylacetamide 以80%的产率得到2-(5-ethoxycarbonyl-4-oxo-2-phenyl-3,4-dihydropyrimidin-3-yl)-N-{2,3-dioxo-1-phenylmethyl-6-(2-pyridyloxy)} hexylacetamide