Table 1 Activation parameters for the thermolyses of N-benzyl-N-nitrosoamides
From: On the curvature in logarithmic plots of rate coefficients for chemical reactions
Amide | R | Solvent | a |
| Δu TS / kcal mol-1 | σ |
|
|---|---|---|---|---|---|---|---|
pivalamide | MeO | DMSO | 388 (100.28) | 1.74 10-2 (1.90 10-2) | 245.62 (59.91) | 8.88 10-2 (1.77 10-2) | 0.96 (1.94 10-2) |
" | Me | " | 213 (111.62) | 4.04 10-2 (1.58) | 143.96 (67.23) | 3.87 10-2 (2.43 10-2) | 0.90 (7.98 10-2) |
" | H | " | 9 (4.12) | 2.82 105 (1.48 106) | 22.76 (3.23) | 4.02 10-2 (3.32 10-2) | 0.24 (6.79 10-2) |
" | NO2 | " | 168 | 5.02 10-2 | 119.54 | 5.35 10-2 | 0.86 |
tosylamide | H | " | 211 | 4.73 10-3 | 174.47 | 1.14 10-1 | 0.88 |
" | H | toluene | 450 | 2.44 10-3 | 346.84 | 5.63 10-2 | 0.95 |
