79899-05-1Relevant articles and documents
Reaction of β-Aminocrotonamide with N-Acylated Amino Acid Esters to give 2-Acylaminoalkyl-6-methylpirimidin-4(3H)-ones and Their Ring Closure with Polyphosphoric Acid (PPA)
Katagiri, Nobuya,Koshihara, Akemi,Atsuumi, Shugo,Kato, Tetsuzo
, p. 2288 - 2295 (2007/10/02)
Reaction of β-aminocrotonamide with N-acylated amino acid esters in the presence of sodium methoxide gave 2-acylaminoalkyl-6-methylpyrimidin-4(3H)-ones, some of wich, on treatment with polyphosphoric acid (PPA), were transformed into imidazopyrimidines and imidazopyridines.