5-bromo-3-hydroxy-1-methylpyrazin-2(1H)-one 、
N-(2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxamide 在
5-bromo-3-hydroxy-1-methylpyrazin-2(1H)-one 作用下,
以53的产率得到sodium 4-methyl-6-(2-methyl-3-(4,5,6,7-tetrahydrobenzo[b]thiophene-2-carboxamido)phenyl)-3-oxo-3,4-dihydropyrazin-2-olate