Methyl 3-oxo-4-[2-(tritylamino)ethoxy]butanoate 、
(Z)-2,2-dimethyl-1,3-propanediyl α-acetyl-3-nitrostyrylphosphonate 以
乙醇 为溶剂,
反应 3.75h,
以42%的产率得到Methyl 5-(5,5-dimethyl-2-oxo-1,3,2lambda5-dioxaphosphinan-2-yl)-6-methyl-4-(3-nitrophenyl)-2-[2-(tritylamino)ethoxymethyl]-1,4-dihydropyridine-3-carboxylate