ChemInform Abstract: Protonation and Transformations of α‐Diazo‐β‐dicarbonyl Compounds in Superacids: Generation of the Strongest Carbon‐Centered Cationic Electrophiles at the Protonation of Diazomalonates in Friedel—Crafts Reactions. Issue 38 (September 2016) - Satumov, Eugeniy T.; Medvedev, Jury J.; Nilov, Denis I.; Sandzhieva, Maria A.; Boyarskaya, Irina A.; Nikolaev, Valerij A.; Vasilyev, Aleksander V.