1-氨基咪唑烷酮 、
1-(3-(difluoro(quinolin-6-yl)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)ethanone 在
crude product 、
methanol-dichloromethane 作用下,
以
甲醇 为溶剂,
反应 16.0h,
以to give the title compound as a white solid (8 mg, 32%)的产率得到(E)-1-(1-(3-(difluoro(quinolin-6-yl)methyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)ethylideneamino)imidazolidin-2-one