(S)-tert-butyl 4-(6-(6-chloroimidazo[1,2-b]pyridazin-8-ylamino)pyridin-3-yl)-3-methylpiperazine-1-carboxylate 在
氢溴酸 作用下,
以
溶剂黄146 为溶剂,
反应 18.0h,
以65%的产率得到(S)-6-bromo-N-(5-(2-methylpiperazin-1-yl)pyridin-2-yl)imidazo[1,2-b]pyridazin-8-amine hydrobromide