Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Amides and ureas may react also with trifluoromethanesulfonic anhydride to give resonance-stabilized dicarbonium salts [36] (equation 34). [Pg.578]

The reaction of A-methylpyridone and substituted urea systems with Tf20 gives heteroatom-stabilized dicarbonium salts (eqs 31 and 32). - ... [Pg.510]

See other pages where Dicarbonium salts is mentioned: [Pg.667] [Pg.517] [Pg.667] [Pg.517]