Compound
|
t1/2 at 20 °C (UV-vis)
(min)
|
t1/2 at 20 °C (NMR)
(min)
|
ΔG‡ at 20 °C
(kJ/mol)
|
PSS365 ratios at 4 °C
(metastable : stable)
|
Zn2a25 |
|
11.6 |
88.6 ± 0.9 |
24 :
76 |
Zn2b25 |
|
5.3 |
86.7 ± 0.7 |
37 :
63 |
Zn3a |
11.0 |
12.5 |
88.5 ± 1.5 |
25 : 75 |
Zn3b |
6.8 |
9.7 |
87.3 ± 1.9 |
24 : 76 |
Zn3c |
5.2 |
6.2 |
86.6 ± 0.3 |
23 : 77 |