Summary
Benzylideneaniline in the presence of BF3 reacts with ethoxyacetylene, ketene, and vinyl ethyl sulfide according to the mechanism of the diene synthesis with the formation of quinoline derivatives.
Literature cited
Organic Reactions, Collection 4 [Russian translation] (IL, 1951), p. 12.
Heterocyclic Compounds [Russian translation] (IL, 1955), Vol. 4, p. 191.
H. John and E. Wünsch, J. pract. Chem..119, 43 (1928).
C. Mannich and M. Dannehl, Ber.,71B, 1899 (1938).