(S)-2-(4-(5,5-dimethyl-2-oxo-4-phenyloxazolidin-3-yl)pyridin-2-yl)-N-(1,5-naphthyridin-4-yl)hydrazinecarboxamide 、
三氯氧磷 在
silica gel 、
甲醇 、
二氯甲烷 作用下,
以
甲苯 为溶剂,
反应 4.33h,
以to provide (S)-3-(3-((1,5-naphthyridin-4-yl)amino)-[1,2,4]triazolo[4,3-a]pyridin-7-yl)-5,5-dimethyl-4-phenyloxazolidin-2-one (2.41 mg, 5.34 tmol, 1.671% yield) as greenish solid的产率得到(S)-3-(3-((1,5-naphthyridin-4-yl)amino)-[1,2,4]triazolo[4,3-a]pyridin-7-yl)-5,5-dimethyl-4-phenyloxazolidin-2-one