1-[(1R,2S,3R,4S)-2,3,4-tris(t-butyldimethylsilyloxy)cyclopentyl]-1H-imidazo[4,5-c]pyridin-4-amine 在
N-溴代丁二酰亚胺(NBS) 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以85%的产率得到7-bromo-1-[(1R,2S,3R,4S)-2,3,4-tris(t-butyldimethylsilyloxy)cyclopentyl]-1H-imidazo[4,5-c]pyridin-4-amine