Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Diethyl bromo(aryl)malonates undergo ionization in superacids at −78°C to give the corresponding cations. These doubly destabilized cations can be trapped with benzene or toluene to give the corresponding Friedel-Crafts adducts. ... Diethyl bromo(aryl)malonates undergo ...