Table 5. Measured second order rate constants for the reaction of 0.25 mM solutions of 1(IV) NTs and 2(IV) NTs with selected XPhSMe at 293 K.
XPhSMe |
k′ (×10–3 M–1 s–1) |
||||
[1(IV) NTs] | [1(IV) O] | [2(IV) NTs] | [2(IV) O] | a [3(IV) NTs] | |
CH3O | 77 ± 10 | 260 ± 9 | 207 ± 14 | 400 ± 20 | 6794 |
CH3 | 20 ± 3 | 126 ± 3 | 49 ± 1.0 | 201 ± 4 | 1560 |
H | 12 ± 2 | 50 ± 2 | 7.9 ± 0.8 | 91 ± 4 | 260 |
Cl | 1.6 ± 0.3 | 29 ± 3 | 2.2 ± 0.5 | 42 ± 4 | 139 |
aData from ref. 47, 1 mM solutions at 273 K.