tert-butyl 8-methyl-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydropyrido[2,3-b][1,4]oxazine-1-carboxylate 、
(Z)-3-(1-(1H-pyrrol-2-yl)ethylidene)-5-bromoindolin-2-one 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 、
potassium carbonate 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 0.5h,
生成 tert-butyl (Z)-7-(3-(1-(1H-pyrrol-2-yl)ethylidene)-2-oxoindolin-5-yl)-8-methyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazine-1-carboxylate