Аннотация:
Multicomponent condensations of alkyl(thio)ureas, formaldehyde and (thio)barbituric acids afford new spiro heterocyclic compounds, viz., 8- and 8,10-substituted 2,4,8,10-tetraazaspiro[5.5]undecane-1,3,5,9-tetraones (barbiturils) and their thio analogues.
Образец цитирования:
V. V. Baranov, A. B. Ivanova, N. G. Kolotyrkina, A. N. Kravchenko, “A first synthesis of 8- and 8,10-substituted barbiturils and their thio analogues”, Mendeleev Commun., 29:1 (2019), 94–95