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Reaction of .BETA.-aminocrotonamide with N-acylated amino acid esters to give 2-acylaminoalkyl-6-methylpyrimidin-4(3H)-ones and their ring closure with polyphosphoric acid (PPA).
KATAGIRI, NOBUYA, KOSHIHARA, AKEMI, ATSUUMI, SHUGO, KATO, TETSUZOVolume:
31
Year:
1983
Journal:
CHEMICAL & PHARMACEUTICAL BULLETIN
DOI:
10.1248/cpb.31.2288
File:
PDF, 709 KB
1983