4,7-difluoro-1-((3aS,4S,6aR)-5-fluoro-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3 ]dioxol-4-yl)-1H-imidazo[4,5-c]pyridine 、
4,7-difluoro-3-((3aS,4S,6aR)-5-fluoro-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-3H-imidazo[4,5-c]pyridine 在
SiO2 、
乙酸乙酯 、 hexanes 作用下,
以
氨 为溶剂,
反应 72.0h,
以to yield 7-fluoro-1-((3aS,4S,6aR)-5-fluoro-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-1H-imidazo[4,5-c]pyridin-4-amine (5-9) as a white solid and 7-fluoro-3-((3aS,4R,6aR)-5-fluoro-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-3H-imidazo[4,5-c]pyridin-4-amine (5-10) as a white solid的产率得到7-fluoro-1-((3aS,4S,6aR)-5-fluoro-2,2-dimethyl-4,6a-dihydro-3aH-cyclopenta[d][1,3]dioxol-4-yl)-1H-imidazo[4,5-c]pyridin-4-amine