L. Lopez et al., PINACOL-PINACOLONE REARRANGEMENT INDUCED BY AMINIUM SALTS, Journal of the Chemical Society. Perkin transactions. I, (7), 1994, pp. 779-781
Catalytic amounts of aminium salts induce a quantitative and mild pina
col-pinacolone rearrangement of several vicinol diets in methylene dic
hloride solutions.