[(dibenzyloxyphosphorylmethyl)benzyloxyphosphinoylmethyl]phosphonic acid methyl ester 、 {1-[3,4-bis(benzoyloxy)-5-hydroxymethyltetrahydrofuran-2-yl]-2-oxo-2,3-dihydro-1H-pyrimidin-4-ylidenemethyl}phosphonic acid dimethyl ester 在
偶氮二甲酸二异丙酯 、
三苯基膦 作用下,
以
四氢呋喃 为溶剂,
反应 3.5h,
以72%的产率得到{1-[3,4-bis(benzoyloxy)-5-(bis[(benzyloxyphosphorylmethyl)benzyloxyphosphorylmethyl]methyloxyphosphoryl)-tetrahydrofuran-2-yl]-2-oxo-2,3-dihydro-1H-pyrimidin-4-ylidenemethyl}phosphonic acid dimethyl ester