3-{3-[3-(2,2,2-trifluoro-ethyl)-ureido]-phenyl}-imidazo[1,2-a]pyridine-7-carboxylic acid 1-dimethylamino-meth-(E)-ylideneamide 、
一水合肼 在
甲苯 、
乙醚 作用下,
以
溶剂黄146 为溶剂,
反应 0.5h,
以Trituration of the residue with Et2O afforded a pink solid (12 mg)的产率得到1-{3-[7-(4H-[1,2,4]triazol-3-yl)-imidazo[1,2-a]pyridin-3-yl]-phenyl}-3-(2,2,2-trifluoro-ethyl)-urea