乙酸酐   、                                                                                      Acetic acid (2R,3S,5R)-2-(6-benzoylamino-purin-9-yl)-4-{(2-cyano-ethoxy)-[(2R,3R,4S,5R)-3,4-diacetoxy-5-(6-benzoylamino-purin-9-yl)-tetrahydro-furan-2-ylmethoxy]-phosphanyloxy}-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
水   、                                                                                                  
碘                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 0.08h,
                                                                                                                生成                                                 
Acetic acid (2R,3S,5R)-2-(6-benzoylamino-purin-9-yl)-4-{(2-cyano-ethoxy)-[(2R,3R,4S,5R)-3,4-diacetoxy-5-(6-benzoylamino-purin-9-yl)-tetrahydro-furan-2-ylmethoxy]-phosphoryloxy}-5-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester