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1H NMR (600 MHz) chemical shift (δ) data (in ppm) of pure β-CD, BPn, and ICB.
| δ | Δδ | |||||
|---|---|---|---|---|---|---|
| δ(β-CD) | δ(BPn) | δ(ICB) | δ(BPn) − δ(β-CD) | δ(ICB) − δ(β-CD) | ||
| H-1 | d | 3.99 | 4.00 | 3.99 | 0.01 | 0.00 |
| H-2 | t | 3.51 | 3.50 | 3.50 | −0.01 | −0.01 |
| H-3 | t | 3.89 | 3.83 | 3.82 | −0.06 | −0.07 |
| H-4 | dd | 3.57 | 3.58 | 3.59 | 0.01 | 0.02 |
| H-5 | m | 3.78 | 3.74 | 3.72 | −0.04 | −0.06 |
| H-6 | m | 3.82 | 3.79 | 3.78 | −0.03 | −0.04 |
