Heterocyclic Communications p. 193 - 198 (2001)
Update date:2022-08-03
Topics:
Nandha Kumar
Suresh
Mythili
Mohan
Synthesis of pyrimido[4,5-b]quinolines and thiopyrimido[4,5-b]quinolines starting from 1,3-diaryl barbituric acid and 1,3-diaryl-2-thiobarbituric acid respectively, with anthranilic acid in the presence of polyphosphoric acid have been described. The structures of these compounds have been confirmed by their spectral and analytical data.
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