1-deoxy-1-(6-{4-[(4-tert-butylphenylcarbamoyl)methoxy]phenylamino}-9H-purin-9-yl)-N-ethyl-2,3-O-(1-methylethylidene)-β-D-ribofuranuronamide                                                                                                                                                              在
                                                                                                                                                                                 
三氟乙酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
水                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以78%的产率得到1-deoxy-1-[6-{4-[(4-tert-butylphenylcarbamoyl)methoxy]phenylamino}-9H-purin-9-yl]-N-ethyl-β-D-ribofuranuronamide