Facile iodination of aromatic compounds having electron-withdrawing substituents. Generation of triiodine cation in the system tetra-N-iodoglycoluril-iodine-sulfuric acid
(1) Tomsk Polytechnical University, pr. Lenina 30, Tomsk, 634050, Russia;(2) Institute of Petroleum Chemistry, Siberian Division, Russian Academy of Sciences, Tomsk, Russia;(3) Tomsk State Pedagogical University, Tomsk, Russia