161200-79-9Relevant academic research and scientific papers
Synthesis of pyrido[4,3-d]pyrimidin-5(6H)-ones via anionic cycloaddition of methyl 2,4-dimethoxy-6-methyl-5-pyrimidinecarboxylate with imines
Wada,Hirai,Hanaoka
, p. 1189 - 1192 (1991)
A new route is described for the synthesis of pyrido[4,3-d]pyrimidin-5(6H)-ones. Treatment of methyl 2,4-dimethoxy-6-methyl-5-pyrimidinecarboxylate with lithium diisopropylamine in tetrahydrofuran at -70°C under nitrogen followed by reaction with diaryl i
