Observation of an infrequent enanti­omer/conformer substitutional disorder in ethyl 13-ethyl-4-oxo-8,13-di­hydro-4H-benzo[5,6]azepino[3,2,1-ij]quinoline-5-carboxyl­ate heptane hemisolvate

Mechanism of the organocatalyzed decarboxylative Knoevenagel-Doebner reaction. A theoretical study.