Abstract The Gould-Jacobs reaction of 5-amino-2, 1, 3-benzoselenadiazole afforded solely angularly annulated 8-substituted 9-oxo-6, 9-dihydro-[1, 2, 5] selenadiazolo [3, 4-f] quinoline derivatives. In the course of thermal cyclization no linear products were observed. Nucleophilic vinylic substitution of activated enolethers with 5-amino-2, 1, 3- benzoselenadiazole was also studied. Keywords: Quinolones, Gould-Jacobs reaction, ...
