Chemistry of Heterocyclic Compounds p. 531 - 533 (1988)
Update date:2022-08-04
Topics:
Ukhov, S. V.
Konshin, M. E.
The Pfitzinger reaction between acetoacetic acid arylamides and the potassium salt of isatinic acid leads in good yield to 3-(N-arylcarbamoyl)-2-methylcinchoninic acids.Refluxing the latter in 2-propanol produced N-substituted imides of 2-methylquinoline-
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