tert-butyl (1-{[4-(2-{6-amino-8-[(6-cyano-1,3-benzodioxol-5-yl)thio]-3H-purin-3-yl}ethyl)piperidin-1-yl]carbonyl}-2,2,2-trifluoroethyl)carbamate   、                                                                                      
tert-butyl (1-{[4-(2-{6-amino-8-[(6-cyano-1,3-benzodioxol-5-yl)thio]-9H-purin-9-yl}ethyl)piperidin-1-yl]carbonyl}-2,2,2-trifluoroethyl)carbamate   、                                                                                      
三氟乙酸                                                                                                                                                                                              以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 6-[(6-amino-9-{2-[1-(3,3,3-trifluoroalanyl)piperidin-4-yl]ethyl}-9H-purin-8-yl)thio]-1,3-benzodioxole-5-carbonitrile trifluoroacetate   、                                                                                             6-[(6-amino-3-{2-[1-(3,3,3-trifluoroalanyl)piperidin-4-yl]ethyl}-3H-purin-8-yl)thio]-1,3-benzodioxole-5-carbonitrile trifluoroacetate