AN UNEQUIVOCAL SYNTHESIS OF 4-METHYL-2-OXO-(2H)-PYRIDO- [1,2-a]PYRIMIDINES1*

ABSTRACT An unequivocal high yielding synthesis of 4-methyl-2-oxo-(2H)-pyrido[1,2-a]pyrimidines from N-(1,3-dioxobutyl)-2-amino pyridines/picolines/quinoline, is being reported. *RRL Communication No. 2336