Table 2 Influence of aprotic polar solvent type on the stereoselective electroreduction of 7K-LCA
No. | Aprotic solvent | Amount (mM) | Conversion of 7K-LCAa (%) | Yield of UDCAa (%) |
|---|---|---|---|---|
1 | – | – | 48 | 18.8 |
2 | DMSO | 107.5 | 88.5 | 72.8 |
3 | DMF | 99.0 | 56.1 | 47.3 |
4 | DMF | 292.6 | 68.5 | 65.4 |
5 | DMF | 480.4 | 74.1 | 19.5 |
6 | NMP | 79.0 | 57 | 11.3 |
7 | NMP | 233.5 | 43 | – |
8 | NMP | 383.3 | 21 | – |