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| Phosphonate X | Paraoxon | |||||||
|---|---|---|---|---|---|---|---|---|
| k 2 (min1) | K d (M) | k 2/K d (M 1min1) | G (kcalmol1) | H (kcalmol1) | S (calmol1 K1) | E a † (kcalmol1) | k 2/K d (M 1min1) | |
| A17 | 0.24 0.03 | (120 15) 106 | 2000 500 | 6.5 0.1 | 4.1 0.3 | 4.0 1.2 | 12.5 1.3 | 1.2 0.5 |
| A17 | 0.28 0.02 | (130 15) 106 | 2200 400 | 6.5 0.1 | 3.0 0.4 | 7.6 1.8 | 11.4 0.5 | 1.6 0.6 |
E a is the activation-energy parameter.
