Table 1. Kinetic and Relaxation Parameters Extracted from Fitting of the Build-up and Decay Curves for HEP, EA, ETMA, and EPy (Catalyst Concentration was 5 mM).

methanol	HEP	EA	ETMA	EPy
kr (s–1)	11.8 ± 1.8	11.5 ± 2.3	14.1 ± 2.5	2.8 ± 0.5
TS (s)	5.5 ± 0.2	7.2 ± 0.5	17.1 ± 1.2

water	HEP	EA	ETMA	EPy
kr (s–1)	12.8 ± 3.9	14.4 ± 5.9	21.9 ± 4.2
TS (s)	8.3 ± 0.8	4.3 ± 0.5	13.2 ± 1.4