三氟甲磺酸酐 、
2-(4-fluorophenyl)-5-hydroxy-N-methylfuro[2,3-c]pyridine-3-carboxamide 在
乙酸乙酯 、
Sodium sulfate-III 、 silica gel 、
2-(4-fluorophenyl)-3-(methylcarbamoyl)furo[2,3-c]pyridin-5-yl trifluoromethanesulfonate 作用下,
以
吡啶 为溶剂,
反应 1.0h,
以to give the expected product 2-(4-fluorophenyl)-3-(methylcarbamoyl)furo[2,3-c]pyridin-5-yl trifluoromethanesulfonate (188 mg, 0.449 mmol, 34.8% yield) consistent by LCMS and NMR的产率得到2-(4-fluorophenyl)-3-(methylcarbamoyl)furo[2,3-c]pyridin-5-yl trifluoromethanesulfonate