(2R,3R,4R,5R)-2-[4-[[bis(4-methoxyphenyl)-phenylmethyl]amino]thieno[3,4-d]pyrimidin-7-yl]-5-(hydroxymethyl)-3-methyloxolane-3,4-diol   、                                                                                      
2,2-dimethyl-thiopropionic acid S-(2-{diisopropylamino-[2-(2,2-dimethyl-propionylsulfanyl)-ethoxy]-phosphanyloxy}-ethyl) ester                                                                                                                                                              在
                                                                                                                                                                                 
四氮唑   、                                                                                                  
间氯过氧苯甲酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈   、                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.58h,
                                                                                                                以62%的产率得到S-[2-[[(2R,3R,4R,5R)-5-[4-[[bis(4-methoxyphenyl)-phenylmethyl]amino]thieno[3,4-d]pyrimidin-7-yl]-3,4-dihydroxy-4-methyloxolan-2-yl]methoxy-[2-(2,2-dimethylpropanoylsulfanyl)ethoxy]phosphoryl]oxyethyl] 2,2-dimethylpropanethioate