4-bromo-6-(2,6-diethyl-phenyl)-2-methyl-nicotinic acid ethyl ester 、
甲基炔丙基醚 在
四(三苯基膦)钯 、
cupric iodide 作用下,
以
二异丙胺 为溶剂,
以to give 6-(2,6-diethyl-phenyl)-4-(3-methoxy-propyn-1-yl)-2-methyl-nicotinic acid ethyl ester as a yellow oil的产率得到6-(2,6-diethyl-phenyl)-4-(3-methoxy-propyn-1-yl)-2-methyl-nicotinic acid ethyl ester