Table 2.
Proton assignments, 1H-NMR chemical shifts, and integrations of the βCDNS, phenylethylamine (PhEA), and PhEA loaded in βCDNS (βCDNS–PhEA) signals.
| Proton | δβCDNS (ppm) | δβCDNS– PhEA (ppm) | |Δδ| (ppm) | βCDNS Integration ( ∫ ) | βCDNS– PhEA Integration ( ∫ ) |
| H1 | 4.827 | 4.829 | 0.002 | 7.00 | 7.00 |
| H2 | 3.301 | - | - | 6.98 | - |
| H3 | 3.655 | 3.660 | 0.005 | 6.98 | 6.96 |
| H4 | 3.361 | 3.363 | 0.002 | 7.15 | 7.03 |
| H5 | 3.562 | 3.565 | 0.003 | 7.04 | 7.05 |
| H6 | 3.624 | 3.626 | 0.002 | 13.84 | 13.93 |
| OH2 | 5.713 | 5.719 | 0.006 | 6.68 | 6.67 |
| OH3 | 5.665 | 5.671 | 0.006 | 6.57 | 6.64 |
| OH6 | 4.437 | 4.436 | 0.001 | 6.43 | 6.51 |
| Proton | δPhEA (ppm) | δβCDNS– PhEA (ppm) | |Δδ| (ppm) | PhEA Integration ( ∫ ) | βCDNS– PhEA Integration ( ∫ ) |
| NH2 | 1.385 | 5.856 | 4.471 | 2.05 | 7.07 |
| Ha | 2.798 | 3.211 | 0.413 | 2.05 | 15.11 |
| Hb | 2.658 | 2.660 | 0.002 | 2.07 | 16.05 |
| Hd/h | 7.205 | 7.198 | 0.007 | 1.97 | 16.00 |
| He/g | 7.285 | 7.284 | 0.001 | 2.00 | 16.02 |
| Hf | 7.172 | 7.179 | 0.007 | 0.96 | 7.70 |