N-(2-{2-[2-chloro-4-(6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)phenoxy]acetylamino}ethyl)-2-((S)-4-(1-oxiranylmethoxy)phenyl)acetamide 、
异丙胺 在
乙醇 作用下,
以
乙醇 为溶剂,
反应 7.0h,
以to afford 12b as a colorless foam (130 mg, 58% yield), 96% pure by LC-MS的产率得到N-(2-{2-[2-chloro-4-(6-oxo-1,4,5,6-tetrahydro-pyridazin-3-yl)phenoxy]acetylamino}ethyl)-2-[4-((S)-2-hydroxy-3-isopropylamino-propoxy)phenyl]acetamide