Conrad-Limpach Synthesis.
M. Conrad and L. Limpach, Ber. 20, 944 (1887); 24, 2990 (1891)
R. H. Manske, Chem. Revs. 30, 121 (1942)
R. H. Reitsema, Chem. Revs. 43, 47 (1948)
H. Henecka, Chemie der Beta-DicarbonylDerblndungen, p 307 (Berlin, 1950)
R. C. Elderfield, Heterocyclic Compounds 4, 30 (New York, 1952)
Also see Combes Quinoline Synthesis. , Gould-Jacobs Reaction