Table 1.
The fluorescence intensity ratio and CIE of the mixture of the two enantiomers with (1S,2 R)-DPAC
| No | Chemical Structure |
1Iratio/Iratio | CIE (R/S or D/L) |
|---|---|---|---|
| 1 |  |
7.59 (RR/SS) | (0.21,0.19)/(0.39,0.34) |
| 2 |  |
1.91 (R/S) | (0.28,0.28)/(0.34,0.34) |
| 3 |  |
2.32 (R/S) | (0.22,0.19)/(0.30,0.26) |
| 4 |  |
2.08 (R/S) | (0.33,0.29)/(0.40,0.34) |
| 5 |  |
1.85 (R/S) | (0.21,0.21)/(0.26,0.25) |
| 6 |  |
1.58 (R/S) | (0.29,0.25)/(0.34,0.29) |
| 7 |  |
5.00 (R/S) | (0.25,0.24)/(0.40,0.35) |
| 8 |  |
2.39 (S/R) | (0.28,0.25)/(0.21,0.21) |
| 9 |  |
2.72 (R/S) | (0.22,0.21)/(0.31,0.28) |
| 10 |  |
2.17 (D/L) | (0.30,0.27)/(0.37,0.33) |
| 11 |  |
2.07 (D/L) | (0.29,0.27)/(0.23,0.21) |
| 12 |  |
2.22 (D/L) | (0.26,0.25)/(0.34,0.28) |
| 13 |  |
5.54 (L/D) | (0.31,0.28)/(0.19,0.17) |
All the measurement under the condition of [(1S,2 R)-DPAC] = 1 × 10−4 M in cyclohexane/acetone 5:1, [(1S,2 R)-DPAC]/[enantiomers] = 1/2.
1(Iratio represents the ratiometric fluorescence of I460 nm/I600 nm).