Table 4 Hydrolytic regressive functions of rac -dufulin enantiomers (3.00 μg/mL) in water ( n =3)
From: Enantioselective hydrolyzation and photolyzation of dufulin in water
Enantiomer | pH | Temp. (°C) | Regressive function | Parameters (n= 3) | ES valuea | |
|---|---|---|---|---|---|---|
| Â | R 2 | t1/2(day) | Â | |||
S-(+) | 5 | 25 | Ct = 3.1994 e-0.0150t | 0.8343 | 46.2 | 0 |
R-(−) | Ct = 3.1436 e-0.0150t | 0.8739 | 46.2 | |||
S-(+) | 7 | 15 | Ct = 3.2173 e-0.0089t | 0.8174 | 77.9 | −0.099 |
R-(−) | Ct = 3.0919 e-0.0073t | 0.8429 | 95.0 | |||
S-(+) | 7 | 25 | Ct = 3.4911 e-0.0112t | 0.9425 | 61.9 | −0.062 |
R-(−) | Ct = 3.3504 e-0.0099t | 0.9211 | 70.0 | |||
S-(+) | 7 | 45 | Ct = 3.2600 e-0.0137t | 0.8574 | 50.6 | −0.083 |
R-(−) | Ct = 3.0622 e-0.0116t | 0.7813 | 59.8 | |||
S-(+) | 9 | 25 | Ct = 3.5993 e-0.0170t | 0.9502 | 40.8 | −0.033 |
R-(−) |  |  | Ct = 3.4382 e-0.0159t | 0.9724 | 43.6 |  |