methyl 5-chloro-6-(trifluoromethyl)pyrazine-2-carboxylate 、
三甲基环三硼氧烷 、
potassium carbonate 在
四(三苯基膦)钯 氩 、 crude compound 、 silica gel 、
methyl 5-methyl-6-(trifluoromethyl)pyrazine-2-carboxylate 作用下,
以
1,4-二氧六环 为溶剂,
反应 24.25h,
以to obtain the title compound methyl 5-methyl-6-(trifluoromethyl)pyrazine-2-carboxylate (1.25 g, 58% yield) as a colorless liquid的产率得到methyl 5-methyl-6-(trifluoromethyl)pyrazine-2-carboxylate