Table 1 1H-NMR chemical shifts of host (H) and guest (G) protons in free and complexed forms in D2O (5% NaOD in D2O for CIPRO and NOR) at 298 K.
Host-guest mixture | Proton | δfree G or H (ppm) | δH-G (ppm) | Δδ (ppm) |
|---|---|---|---|---|
SRsC1-LEVO | H8LEVO | 8.382 | 8.424 | 0.042 |
H2LEVO | 2.936 | 2.101 | -0.835 | |
H4LEVO | 3.555 | 3.34 | -0.215 | |
HbSRsC1 | 6.662 | 7.113 | 0.451 | |
HdSRsC1 | 4.533 | 4.607 | 0.074 | |
β-CD-LEVO | H2LEVO | 2.85 | 2.84 | -0.01 |
H7β-CD | 7.403 | 7.464 | 0.061 | |
SRsC1-CIPRO | H5CIPRO | 7.526 | 7.564 | 0.038 |
H6CIPRO | 7.783 | 7.819 | 0.036 | |
HbSRsC1 | 6.571 | 7.216 | 0.645 | |
SRsC1-NOR | H5NOR | 6.97 | 7.052 | 0.082 |
H7NOR | 8.348 | 8.386 | 0.038 | |
HdSRsC1 | 4.203 | 4.103 | -0.100 | |
HbSRsC1 | 6.573 | 7.19 | 0.617 |