methyl 6-iodo-5-methyl-3-oxo-4-[3-(trifluoromethyl)phenyl]-3,4-dihydropyrazine-2-carboxylate 、
2-氯吡啶-3-硼酸 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride sodium carbonate 作用下,
以
水 、
乙腈 为溶剂,
反应 0.17h,
以55%的产率得到6-(2-chloro-pyridin-3-yl)-5-methyl-3-oxo-4-(3-trifluoromethyl-phenyl)-3,4-dihydro-pyrazine-2-carboxylic acid methyl ester