H+
H+
CH3 First kinetic model for isomerization
CH3
CH3
+ H+ CH3
H+
CH3 H+
+
CH3
CH3
H+ H+ CH3
H+
CH3
CH3 CH3 +
kp
ko
Second kinetic model for disproportionation
CH3
CH3
H+
H+ +
CH3
CH3
CH3
CH3 CH3
CH3
H+
CH3
CH3
H+ CH3
CH3 H+
CH3
CH3
CH3
CH3 CH3
CH3
CH3 -H+
CH3
CH3
CH3
CH3
CH3
CH3 ki
k-i
ks
C6H5CH3 C6H3(CH3)3
ks
Triangular model for isomerization and disproportionation