(2,4-dimethoxy-benzyl)-(2-oxo-1-phenyl-1,2,3,4-tetrahydro-pyrido[3,2-d]pyrimidin-6-yl)-carbamic acid tert-butyl ester 、
5-氯-2-氟碘苯 以to afford [3-(5-chloro-2-fluoro-phenyl)-2-oxo-1-phenyl-1,2,3,4-tetrahydro-pyrido[3,2-d]pyrimidin-6-yl]-(2,4-dimethoxy-benzyl)-carbamic acid tert-butyl ester (233 mg)的产率得到[3-(5-chloro-2-fluoro-phenyl)-2-oxo-1-phenyl-1,2,3,4-tetrahydro-pyrido[3,2-d]pyrimidin-6-yl]-(2,4-dimethoxy-benzyl)-carbamic acid tert-butyl ester