(4-(5-bromo-1-methyl-6-oxo-1,6-dihydropyridin-3-yl)-2-(6-tert-butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)pyridin-3-yl)methyl acetate 、
5-methyl-1,2-thiazol-3-amine 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
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以39%的产率得到(2-(6-tert-butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(1-methyl-5-(5-methylisothiazol-3-ylamino)-6-oxo-1,6-dihydropyridin-3-yl)pyridin-3-yl)methyl acetate