F. Ciminale et al., REACTIONS ON AROMATIC OLEFINS INDUCED BY AMINIUM SALTS - PROTIC-ACID OR RADICAL-CATION CATALYZED PROCESSES, Tetrahedron, 50(44), 1994, pp. 12685-12696
Aromatic olefins by reaction with aminium salts lead, in strongly acid
ic reaction media, to different reaction products, arising from the in
termediate formation of carbocation or radical-cation species.