Chemistry of Heterocyclic Compounds p. 205 - 210 (1991)
Update date:2022-08-05
Topics:
Orlov, V. D.
Kolos, N. N.
Zhidkova, E. V.
Papiashvili, I. Z.
It has been shown that chalcones react with 5,6-diamino-4-hydroxypyrimidine to form 2,3-dihydro-1H-pyrimido<5,6-b>-1,5-diazepines but aromatic aldehydes and methyl ketones give the monoazomethines.The mechanism and tendency to form the 7-membered ring are
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(1991)
