Table 2
| Ionic liquid | References |
|---|---|
| [C1C2Im][NTf2] | [8–14] |
| [C1C4Im][NTf2] | [9, 15–20] |
| [C1C6Im][NTf2]* | [15, 16, 21] |
| [C1C8Im][NTf2] | [10] |
| [C1(C2H2CH)Im][NTf2] | [10] |
| [C1(C3H5CH2)Im][NTf2] | [9] |
| [C1(CH2C6H5)Im][NTf2] | [9] |
| [C1C3CNIm][NTf2]* | [10, 19, 21, 22] |
| [(C3CN)2Im][NTf2]* | [19] |
| [C1(C8H16C2H2C8H17)Im][NTf2] | [23] |
| [C1C2Im][DCA] | [12, 21] |
| [C1C4Im][DCA] | [10] |
| [C1C3CNIm][DCA] | [10] |
| [C1C4Im][C1HPO3] | [10] |
| [C1C2Im][PF6] | [12] |
| [C1C4Im][PF6]* | [15–17, 19–22, 24] |
| [C1C4Im][BF4] | [2, 12, 21, 24] |
| [C1C2Im][CF3SO3] | [12] |
| [C1C4Pyrr][NTf2] | [12, 24] |
| [C6Pyr][NTf2] | [24] |
| [P8111][TMPP] | [25] |
| [P4444][TMPP] | [25] |
| [P(14)666][TMPP] | [25] |