Table 1.
Summary of catalysed reactions rates using the range of cages and substrates discussed in this paper. For more detail see Supporting Information.
|
Catalyst |
Conditions[a] |
Substrate |
k 2 [m −1 s−1] |
+/− [%][b] |
|---|---|---|---|---|
|
H (0.64 mm) |
A |
dichlorvos (16.6 mm) |
0.02 |
2 |
|
H (0.78 mm) |
A |
2NDP (15.5 mm) |
0.008 |
3 |
|
H (0.21 mm) |
B |
2NDP (0.5 mm) |
0.019 |
1 |
|
H (0.21 mm) |
B |
2NDP (0.5 mm)+ 62.5 mm NaCl |
0.0075 |
1 |
|
H (0.95 mm) |
C |
4NDP (17.5 mm) |
0.0068 |
2 |
|
T (0.95 mm) |
B |
2NDP (1 mm) |
0.021 |
1 |
|
T (0.95 mm) |
B |
4NDP (1 mm) |
0.015 |
1 |
[a] Conditions A: 31P NMR spectroscopy, D2O, pD 7.7, 298 K. Conditions B: UV/Vis spectroscopy with a micro‐plate reader monitoring formation of 2‐ or 4‐nitrophenolate products, H2O, pH 8.5, 303 K. Conditions C: 31P NMR spectroscopy, D2O, pD 8.5, 298 K. [b] Calculated uncertainty in k 2 value arising from the fitting, rounded up to the nearest 1 %.