Ferroelectrics. Vol. 489. 2015. P.. 147-155
A route for the synthesis of chromenes that are annulated with an imidazo[1,2-a]pyrrolo[2,3-c]pyridine core proceeding through a base-promoted domino reaction of 6-azaindole quaternary salts, has been developed. © 2015 Elsevier Ltd.