77008-17-4Relevant academic research and scientific papers
ANNELATION OF 5 OR 6 MEMBERED HETEROCYCLES TO URACIL DERIVATIVES VIA PHOSGENIMINIUM SALT CONDENSATION
Kokel, B.,Lespagnol, C.,Viehe, H.G.
, p. 651 - 658 (2007/10/02)
PI salts condense with 1,3-dimethyl barbituric acid and 1,3-dimethyl-4-amino uracil to give new amide chlorides 4 and 5.These synthons lead to new aminated isoxazolo-, or pyrimido- and pyrido-pyrimidines 12, 16 & 18 on cyclisation with hydroxylamine, cyan
