Table 1 Optimization of reaction conditions for the lignin model compound of 2-PAP
From: Modulating product selectivity in lignin electroreduction with a robust metallic glass catalyst
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|---|---|---|---|---|---|---|---|
No. | E (V)RHE i | Catholyte | Anolyte pHii | Conv. (%)iii | Product yield (%)iii | ||
2a | 3a | 4a | |||||
1 | -1.15 | IL-MeCN | 7.00 | 97 | 79 | 27 | - |
2 | −1.00 | IL-MeOH | 7.00 | 86 | 60 | 65 | - |
3 | −1.00 | IL-H2O | 7.00 | 98 | 87 | 82 | - |
4 | −1.00 | IL-MeOH- H2O | 7.00 | >99 | >99 | >99 | - |
5 | -0.80 | IL-MeOH- H2O | 7.00 | 36 | 23 | 13 | - |
6 | -0.90 | IL-MeOH- H2O | 7.00 | 73 | 74 | 61 | - |
7 | -1.10 | IL-MeOH- H2O | 7.00 | >99 | 91 | 20 | - |
8 | −1.00 | IL-MeOH- H2O | 13.00 | >99 | >99 | 87 | - |
9 | −1.00 | IL-MeOH- H2O | 1.00 | >99 | 94 | 19 | 53 |
10 | −1.00 | IL-MeOH- H2O | 0.60 | >99 | 88 | 4 | 60 |
11 | −1.00 | IL-MeOH- H2O | 0.30 | >99 | 98 | <1 | 70 |
12 | −1.00 | IL-MeOH- H2O | 0.00 | >99 | 94 | 18 | 42 |
13 | -0.80 | IL-MeOH- H2O | 0.30 | >99 | 82 | 20 | 11 |
14 | -0.90 | IL-MeOH- H2O | 0.30 | >99 | 80 | 6 | 19 |
15 | -1.10 | IL-MeOH- H2O | 0.30 | >99 | 89 | 1 | 4 |
16 | −1.00 | MeOH- H2O (Saturated KClO4) | 7.00 | 82 | 75 | 80 | 1 |
17 | −1.00 | MeOH- H2O (Saturated KClO4) | 0.30 | 97 | 86 | 71 | 11 |
