Table 7. Rate Constants Fitted to the Simplified Mechanistic Model of Estragole Isomerization at 40 °C^a.

entry	constant	fitting	s.d.b
1	k4 (min–1)	0.139	0.005
2	k–4 (L mol–1 min–1)	≈0
3	k5 (L mol–1 min–1)	39.87	1.63
4	k–5 (min–1)	23.01	4.79
5	k6 (L mol–1 min–1)	18.01	0.53
6	k–6 (min–1)	129.3	10.4
7	k7 (L mol–1 min–1)	1.537	0.124
8	k–7 (min–1)	231.0	17.4

^aReaction conditions: estragole 2.0 mmol and estragole/1 ratio of 10 000, solventless, and estragole filtered over aluminum oxide.

^bStandard deviation.