哌啶 、
tert-butyl 2-(7-bromo-4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxamido)acetate 在
tris(dibenzylideneacetone)dipalladium(0) chloroform complex 、 2-(dicyclohexylphoshphino)-2',4',6'-triisopropyl-1,1'-biphenyl
sodium t-butanolate 作用下,
以
1,4-二氧六环 为溶剂,
反应 15.0h,
以46%的产率得到2-(4-hydroxy-1-methyl-2-oxo-7-(piperidin-1-yl)-1,2-dihydroquinoline-3-carboxamido)acetic acid