3-溴丙酮酸乙酯 、
N-(5-cyano-6-(2-fluoro-4-hydroxyphenyl)-1H-pyrazolo[3,4-b]pyridine-3-yl)carbamimidothioic acid 在
乙醇 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以to give 38 mg of ethyl 2-(5-cyano-6-(2-fluoro-4-hydroxyphenyl)-1H-pyrazolo[3,4-b]pyridine-3-ylamino)thiazole-4-carboxylate in the form of a yellow solid的产率得到ethyl 2-(5-cyano-6-(2-fluoro-4-hydroxyphenyl)-1H-pyrazolo[3,4-b]pyridine-3-ylamino)thiazole-4-carboxylate