Table 2 List of pseudo-first-order reaction rate constants (k) of the disappearance of compound II in solutions 1, 2, 3, 4, 5, and 6 as well as Arrhenius activation energies (E _a) and Arrhenius frequency factors (A) of the disappearance of compound II in solutions 1, 2, and 3

k ^b

 140 °C

4.88

6.51

11.40

–

–

–

 150 °C

10.90

18.10

24.60

–

–

–

 160 °C

29.60

35.90

45.50

3.74

6.47

28.30

E _a (kJ/mol)

135

128

104

–

–

–

A (per min)

4.02 × 10¹⁴

8.39 × 10¹²

1.06 × 10¹⁰

–

–

–