N-[5-Bromo-7-((2R,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-2-yl]-isobutyramide 在
N,N-二异丙基乙胺 作用下,
以
吡啶 、
二氯甲烷 为溶剂,
反应 0.5h,
生成 Diisopropyl-phosphoramidous acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-bromo-2-isobutyrylamino-4-oxo-3,4-dihydro-pyrrolo[2,3-d]pyrimidin-7-yl)-tetrahydro-furan-3-yl ester 2-cyano-ethyl ester