(t-butylthio) β-cyanoethoxychlorophosphine 、 9-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-6-oxo-2-propionylamino-6,9-dihydro-purine-1-carboxylic acid diphenylamide 在
吡啶 作用下,
反应 0.17h,
以78%的产率得到Thiophosphorous acid O-[(2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(1-diphenylcarbamoyl-6-oxo-2-propionylamino-1,6-dihydro-purin-9-yl)-tetrahydro-furan-3-yl] ester S-tert-butyl ester O'-(2-cyano-ethyl) ester