Table 2.
Precatalyst |
Brönsted acid |
Highest icat/ip* |
CO2 solubility at highest icat/ip |
Re(bipy-tBu)(CO)3(MeCN)(OTf) 2 | TFE | 54.0 (1.6 M) | 0.19 M |
Re(bipy-tBu)(CO)3(MeCN)(OTf) 2 | methanol | 41.9 (9.9 M) | 0.22 M |
Re(bipy-tBu)(CO)3(MeCN)(OTf) 2 | water | 9.0 (10.0 M) | 0.18 M |
Re(bipy-tBu)(CO)3(py)(OTf) 3 | TFE | 62.0 (1.5 M) | 0.27 M |
Re(bipy-tBu)(CO)3(py)(OTf) 3 | methanol | 28.9 (8.0 M) | 0.23 M |
Re(bipy-tBu)(CO)3(py)(OTf) 3 | water | 8.2 (7.3 M) | 0.19 M |
Re(bipy)(CO)3(py)(OTf) † | TFE | 47.1 (0.77 M) | 0.27 M |
Re(bipy)(CO)3(py)(OTf) † | phenol | 39.5 (0.57 M) | 0.30 M |
Re(bipy)(CO)3(py)(OTf) † | methanol | 31.1 (7.20 M) | 0.24 M |
Re(bipy)(CO)3(py)(OTf) † | water | 11.4 (10.4 M) | 0.17 M |
*Acid concentration in parenthesis.
†From Wong et al. (22).