4,7-difluoro-1-((3aS,4R,6S,6aR)-2,2,6-trimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-1H-imidazo[4,5-c]pyridine   、                                                                                      
4,7-difluoro-3-((3aS,4R,6S,6aR)-2,2,6-trimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-3H-imidazo[4,5-c]pyridine                                                                                                                                                              在
                                                                                                                                                                                 SiO2   、                                                                                                  
乙酸乙酯   、                                                                                                  hexanes   、                                                                                                  
乙醇                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
氨                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                以to yield 7-fluoro-1-((3aS,4R,6S,6aR)-2,2,6-trimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-1H-imidazo[4,5-c]pyridin-4-amine (6-5) as a tan solid and 7-fluoro-3-((3aS,4R,6S,6aR)-2,2,6-trimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-3H-imidazo[4,5-c]pyridin-4-amine (6-6) as a tan solid的产率得到7-fluoro-1-((3aS,4R,6S,6aR)-2,2,6-trimethyltetrahydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-1H-imidazo[4,5-c]pyridin-4-amine