
TY  - JOUR
A1  - Perez, G 
A1  - Possagno, E 
A1  - Lilla, E 
T1  - Influence of Protonation Exothermicity on Gas-Phase Concurrent Dealkylation and Isomerization of p-Cymene
JF  - Australian Journal of Chemistry
JO  - Aust. J. Chem.
Y1  - 1992
VL  - 45
IS  - 3
SP  - 623
EP  - 626
KW  - 
UR  - https://doi.org/10.1071/CH9920623 
N2  - The gas-phase protonation is reported of p-cymene (p- isopropyltoluene ) by different radiolytically formed protonating agents (O2H+, N2H+, CH5+, COH+). The characteristics of the reactions vary with the protonation exothermicity . Both dealkylation and isomerization are observed with O2H+ or N2H+ ions. Only dealkylation occurs when the protonating agent is the CH5+ ion. Formation of products is not observed when the less energetic COH+ ions are employed. The results show that in the competition between isomerization and dealkylation the dealkylation reaction becomes favoured as the protonation exothermicity decreases. 
ER  -

