benzyl 6-(N-cyclopropyl-3-(4-(methylcarbamoyl)phenyl)pyrazolo[1,5-a]pyridine-5-carboxamido)nicotinate 在
氢氧化钯 氢气 、
乙醇 、 crude compound 、 silica gel 作用下,
以
乙醇 为溶剂,
反应 5.0h,
以to afford 50 mg (30%) of 6-(N-cyclopropyl-3-(4-(methylcarbamoyl)phenyl)pyrazolo[1,5-a]pyridine-5-carboxamido)nicotinic acid 128 as a yellow solid的产率得到6-(N-cyclopropyl-3-(4-(methylcarbamoyl)phenyl)pyrazolo[1,5-a]pyridine-5-carboxamido)nicotinic acid