Ethyl 5-[1-(2-methoxyethyl)-6-oxo-1,6-dihydro-3-pyridazinyl]-4-phenyl-1,3-thiazole-2-carboxylate 、
环丙胺 在
乙醇 、
异丙醚 、 N-cyclopropyl-5-l 1-(2-methoxyethyl)-6-oxo-1,6-dihydro-3-pyridazinyl 作用下,
以
1,4-二氧六环 为溶剂,
反应 40.0h,
以to give N-cyclopropyl-5-l 1-(2-methoxyethyl)-6-oxo-1,6-dihydro-3-pyridazinyl]-4-phenyl-1,3-thiazole-2-carboxamide as a solid (77 mg)的产率得到4-phenylthiazole-2-carboxamide