(S)-isopropyl 2-(tert-butoxy)-2-(4‘-(4,4-dimethylpiperidin-1-yl)-6’-methyl-5-(((trifluoromethyl)sulfonyl)oxy)-[2,3‘-bipyridin]-5‘-yl)acetate 、
2-(2,4-dichloro-phenoxy)-ethylamine; hydrochloride 在
tris-(dibenzylideneacetone)dipalladium(0) 、
caesium carbonate 、
4,5-双二苯基膦-9,9-二甲基氧杂蒽 作用下,
以
甲苯 为溶剂,
反应 12.0h,
以35.9%的产率得到isopropyl (S)-2-(tert-butoxy)-2-(5-((2-(2,4-dichlorophenoxy)ethyl)amino)-4'-(4,4-dimethylpiperidin-1-yl)-6'-methyl-[2,3'-bipyridin]-5'-yl)acetate