2-氰乙基N,N-二异丙基氯亚磷酰胺 、
phosphoric acid 5-(6-amino-5-formylamino-pyrimidin-4-ylamino)-3-hydroxy-tetrahydro-furan-2-ylmethyl ester 2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester methyl ester 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以52%的产率得到N-[4-amino-6-[[(4S,5R)-5-[[[(2R,3S,5R)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-5-(5-methyl-2,4-dioxopyrimidin-1-yl)oxolan-3-yl]oxy-methoxy-oxidophosphaniumyl]oxymethyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]amino]pyrimidin-5-yl]formamide