methyl 1-{4-[(5-methylimidazo[1,2-a]pyridin-2-yl)carbamoyl]phenyl}cyclobutanecarboxylate 、
氢氧化钾 以
Tetrahydrofuran ethanol 为溶剂,
反应 1.5h,
以Then, a white title compound (yield 169 mg, 70%) was obtained in the same manner as in Example 186的产率得到1-{4-[(5-methylimidazo[1,2-a]pyridin-2-yl)carbamoyl]phenyl}cyclobutanecarboxylic acid