SYNTHESIS OF 1-SUBSTITUTED DIHYDROPYRIMIDINONE AND QUINAZOLINONE DERIVATIVES
Condensation of N-substituted β-alanines (synthesized from anthranilic acid or its esters and acrylic acid) with urea afforded the corresponding 1-substituted dihydropyrimidinedione and quinazolinedione.When potassium thiocyanate was employed in the reaction instead of urea, decarboxylation and desulfuration occurred.
Mitskyavichyus, V. Yu.,Baltrushis, R. S.
p. 1185 - 1188
(2007/10/02)
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