Combes Quinoline Synthesis.
A. Combes, Bull. Soc. Chim. France [2] 49, 89 (1888)
E. Roberts and E. E. Turner, J. Chem. Soc. 1927, 1932
W. S. Johnson and F. J. Matthews, J. Am. Chem. Soc. 66, 210,1944)
F. W. Bergstrom, Chem. Revs. 35. 156 (1944)
H. Henecka, Chemie der Beta-Dicarbonylverbindungen, p 310 (Berlin, 1950)
R. C. Elderfield, Heterocyclic Compounds 4, 36 (New York, 1952)
Also see Conrad-Limpach Synthesis , Gould-Jacobs Reaction