Hydrolysis of this substance in the previously described ... ~ ~ ~ 1 . Calcd. for c ~ ~ H ~ ~ N ~ o ~ : N, 22.0. Found: N, vented it resulting in the formation of derivatives 21.5. ... Summary The noma1 course of cyclization of ethyl 2- pyridylaminomethylenemalonates has been found to involve the ring nitrogen to give derivatives of ... [CONTRIBUTION FROM THE CHEMISTRY LABORATORY OF INDIANA UNIVERSITY] Substituted Quinolines's2