(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 、
4-methyl-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-amine 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
1,4-二氧六环 为溶剂,
反应 2.0h,
以48%的产率得到(2-(6-tert-butyl-8-fluoro-1-oxophthalazin-2(1H)-yl)-4-(1-methyl-5-(4-methyl-6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-2-ylamino)-6-oxo-1,6-dihydropyridin-3-yl)pyridin-3-yl)methyl acetate