(S)-tert-butyl 2-(((3-bromoimidazo[1,2-b]pyridazin-6-yl)amino)methyl)pyrrolidine-1-carboxylate 、
乙酰氯 以
甲醇 为溶剂,
反应 16.0h,
以to give (S)-3-bromo-N-(pyrrolidin-2-ylmethyl)imidazo[1,2-b]pyridazin-6-amine as HCl salt (11 g, 100% yield)的产率得到(S)-3-bromo-N-(pyrrolidin-2-ylmethyl)imidazo[1,2-b]pyridazin-6-amine