Table 7-1 Natural logarithms of rate constants (ln kH) for solvolysis of butyl N-acetoxy (para-substituted) benzohydroxamates 100, (298-338K).
|
K |
NO2 |
Cl |
Br |
H |
Me |
But |
Ph |
MeO |
|
298 |
-7.1706 |
-5.863 |
-5.721 |
-5.2152 |
-4.4042 |
-4.5265 |
-4.9052 |
-2.4934 |
|
303 |
|
|
|
-4.4886 |
|
|
|
|
|
308 |
|
|
-4.2803 |
-3.6614 |
|
-3.0363 |
|
-1.0936 |
|
308 |
-6.0968 |
-3.8922 |
|
|
|
|
|
|
|
318 |
-4.7688 |
-2.964 |
-2.7522 |
-1.9641 |
-1.3827 |
-1.2926 |
-1.6686 |
0.24671 |
|
328 |
-3.7099 |
-1.694 |
-1.5344 |
-0.9222 |
0.04903 |
0.028659 |
-0.22925 |
1.4679 |
|
328 |
|
|
|
-0.819 |
|
|
|
|
|
333 |
-3.2653 |
|
|
|
|
|
|
|
|
338 |
-2.6145 |
-0.35456 |
-0.3451 |
0.5066 |
1.3121 |
1.1913 |
0.93956 |
2.9796 |
|
338 |
|
|
|
0.1285 |
|
|
|
|
|
338 |
|
|
|
0.4655 |
|
|
|
|
|
K |
NO2 |
Cl |
Br |
H |
Me |
But |
Ph |
MeO |
PhO |
|
298 |
-8.72992 |
-7.4199 |
-7.56911 |
-6.978 |
-5.518 |
-5.5703 |
-6.3861 |
-3.3429 |
-4.9388 |
|
308 |
-7.53 |
-6.1035 |
-6.04154 |
-5.407 |
-3.9646 |
-4.1231 |
-4.719 |
-2.0419 |
-3.5969 |
|
308 |
-7.5029 |
|
|
|
|
|
|
|
|
|
313 |
|
|
|
|
|
|
|
-0.9722 |
|
|
318 |
-6.18823 |
-4.4544 |
|
-3.6135 |
-2.3179 |
-2.4382 |
-3.1367 |
-0.57206 |
-1.8306 |
|
328 |
-5.10613 |
-2.9535 |
-3.27808 |
-2.135 |
-0.75426 |
-1.0248 |
-1.9015 |
0.59331 |
-0.74519 |
|
338 |
-3.61732 |
-1.6798 |
-1.91297 |
-0.98127 |
0.66638 |
0.18755 |
-0.50621 |
2.493 |
-0.02173 |
|
338 |
-3.67164 |
|
|
|
|
|
|
|
|
|
Temp |
NO2 |
CN |
CF3 |
CHO |
Cl |
H |
Me |
MeO |
|
298 |
-6.2100 |
-6.3682 |
-6.42265 |
-6.5989 |
-6.9093 |
-6.9466 |
-7.0311 |
-7.0759 |
|
308 |
-4.5714 |
-5.2305 |
-4.97109 |
-5.3054 |
-5.5661 |
-5.5069 |
-5.7158 |
-5.6648 |
|
318 |
-3.5354 |
-3.6706 |
-3.74679 |
-3.6629 |
-3.9811 |
-4.1918 |
-4.2095 |
-3.8927 |
|
328 |
-2.3634 |
-2.6067 |
-2.17292 |
-2.3597 |
-2.7931 |
-2.7380 |
-2.8198 |
-2.7562 |
|
338 |
-0.9321 |
-1.3765 |
-0.92401 |
-1.3213 |
-1.5270 |
-1.5083 |
-1.4166 |
-1.3925 |
|
338 |
|
|
|
|
|
-1.4561 |
|
|