Table 1.
Product yields in photoreactions of 2 at the absence of O2.
| Reactions | Yield [%][a] | Mass balance |
||
|---|---|---|---|---|
| Anion TpT |
Adduct X | Cation Other thiol adduct |
||
| none | 44.5 ± 2.3 | 43.2 ± 4.1 | – | 89.2 ± 5.9[b] |
| Na2S2O4 | 77.5 ± 3.4 | – | – | 91.3 ± 4.3[c] |
| PhSH | 85.4± 5.7 | – | – | 87.3 ± 7.0 |
| 4-OHC6H4SH | 39.0 ± 2.5 | – | 46.6 ± 1.9 | 86.2 ± 3.0 |
| DTT(1 mm) | 48.5 ± 2.1 | 37.4 ± 3.9 | 5.1 ± 0.7 | 88.7 ± 5.4 |
| DTT (10 mm) | 44.0 ± 1.9 | 26.1 ± 1.5 | 20.7 ± 1.4 | 89.1 ± 4.2 |
| DTT (40 mm) | 36.3 ± 4.0 | 13.8 ±1.9 | 33.8 ± 3.3 | 86.5 ± 7.5 |
[a]
The yields were based upon the amount of 2 reacted and were calculated by HPLC peak integrations (See the Supporting Information).
[b]
The yield of TpHmdU was about 2.5%.
[c]
The yield of TpmdUSO2H was 12.1 ± 2.8%.