ethyl 3-(2-fluoro-4-pyridinyl)imidazo[1,2-a]pyridine-2-carboxylate 、
吗啉 在
silica gel 、
甲醇 、
二氯甲烷 作用下,
以
1,4-二氧六环 为溶剂,
反应 26.0h,
以Flash chromatography (silica gel, 0 to 5% methanol in dichloromethane) afforded 226 mg (74%) of ethyl 3-[2-(4-morpholinyl)-4-pyridinyl]imidazo[1,2-a]pyridine-2-carboxylate as a colorless oil which的产率得到ethyl 3-[2-(4-morpholinyl)-4-pyridinyl]imidazo[1,2-a]pyridine-2-carboxylate