sodium hydroxide 、
methyl 5-(5-(tert-butoxycarbonyl)-2-methylphenyl)-2-(4-fluorophenyl)furo[2,3-b]pyridine-3-carboxylate 在
盐酸 、
Sodium sulfate-III 、
5-(5-(tert-butoxycarbonyl)-2-methylphenyl)-2-(4-fluorophenyl)furo[2,3-b]pyridine-3-carboxylic acid 作用下,
以
甲醇 、
四氢呋喃 、
乙酸乙酯 为溶剂,
反应 4.0h,
以to give the expected product 5-(5-(tert-butoxycarbonyl)-2-methylphenyl)-2-(4-fluorophenyl)furo[2,3-b]pyridine-3-carboxylic acid (205 mg, 0.457 mmol, quant.) consistent by LCMS crude which的产率得到5-(5-(tert-butoxycarbonyl)-2-methylphenyl)-2-(4-fluorophenyl)furo[2,3-b]pyridine-3-carboxylic acid