cyclohexylammonium S-phenyl phosphoranilidodithioate 、
S,S-diphenyl 2'-O-(tetrahydropyran-2-yl)-N6-(4,4'-dimethoxytrityl)adenosine-3'-phosphorodithioate 在
吡啶 、
2,4-二磺酰氯基均三甲苯 作用下,
反应 17.0h,
以83%的产率得到Dithiophosphoric 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,S'-diphenyl ester