四氢吡咯 、
3-benzyloxy-7-chloro-6-fluoro-1-(4-methylphenyl)-1H-pyrido[2,3-d]pyrimidine-2,4-dione 、
三乙胺 以
乙腈 为溶剂,
以to give 0.17 g of the title compound as a solid, mp 192-194° C.的产率得到3-benzyloxy-6-fluoro-1-(4-methylphenyl)-7-pyrrolidin-1-yl-1H-pyrido[2,3-d]pyrimidine-2,4-dione