ethyl 4-(2-(ethyl(methyl)carbamoyl)pyrimidin-5-yloxy)-2-methylbenzofuran-6-carboxylate 、
2-氨基-5-甲基吡嗪 、
二甲基氯化铝 在
N-ethyl-N-methyl-5-(2-methyl-6-((5-methylpyrazin-2-yl)carbamoyl)benzofuran-4-yloxy)pyrimidine-2-carboxamide 作用下,
以to afford N-ethyl-N-methyl-5-(2-methyl-6-((5-methylpyrazin-2-yl)carbamoyl)benzofuran-4-yloxy)pyrimidine-2-carboxamide (5: 70 mg, 61%) as an off white solid的产率得到N-ethyl-N-methyl-5-(2-methyl-6-((5-methylpyrazin-2-yl)carbamoyl)benzofuran-4-yloxy)pyrimidine-2-carboxamide