Thiophosphoric acid O-[(2R,3R,4R,5R)-5-(6-{[bis-(4-methoxy-phenyl)-phenyl-methyl]-amino}-purin-9-yl)-2-(phenylamino-phenylsulfanyl-phosphoryloxymethyl)-4-(tetrahydro-pyran-2-yloxy)-tetrahydro-furan-3-yl] ester S-phenyl ester; compound with triethyl-amine 、 S,S-diphenyl 2'-O-(tetrahydropyran-2-yl)-N3-anisoyl-uridine 3'phosphorodithioate 在
2,4,5,6-四甲基苯二磺酸氯 、
3-硝基-1,2,4-三氮唑 作用下,
以88%的产率得到