Acetic acid (1R,2R,3S,4R)-3,4-diacetoxy-1-[6-allyloxy-9-((2R,4S,5R)-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-9H-purin-2-ylamino]-1,2,3,4-tetrahydro-benzo[c]phenanthren-2-yl ester                                                                                                                                                              在
                                                                                                                                                                                 lutidine   、                                                                                                  
二异丙基铵盐四氮唑   、                                                                                                  
lithium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 [(1R,2R,3S,4R)-3,4-diacetyloxy-1-[[9-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxyoxolan-2-yl]-6-prop-2-enoxypurin-2-yl]amino]-1,2,3,4-tetrahydrobenzo[c]phenanthren-2-yl] acetate