ethyl 1-(2,3-difluorobenzyl)-4-hydroxy-6-methyl-2,3-dihydro-1H-pyrrolo[2,3-b]pyridine-5-carboxylate 在
manganese dioxide
氮气 、
乙酸乙酯 作用下,
以
苯 为溶剂,
反应 3.5h,
以to provide ethyl 1-(2,3-difluorobenzyl)-4-hydroxy-6-methyl-1H-pyrrolo[2,3-b]pyridine-5-carboxylate (9.0 g, 23.39 mmol, 87% yield) as greyish solid的产率得到ethyl 1-(2,3-difluorobenzyl)-4-hydroxy-6-methyl-1H-pyrrolo[2,3-b]pyridine-5-carboxylate