2-氰乙基N,N-二异丙基氯亚磷酰胺 、
N-(1-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-6,7-dimethyl-2-oxo-1,2-dihydro-pteridin-4-yl)-benzamide 在
四氮唑 作用下,
以80%的产率得到Diisopropyl-phosphoramidous acid (2R,3S,5R)-5-(4-benzoylamino-6,7-dimethyl-2-oxo-2H-pteridin-1-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester