Table 2.
Chemical shifts of proton and carbon in glucose skeleton of chitosan n-octyl urea (b).
| 1H NMR δ (ppm) | 13C NMR δ (ppm) | ||
|---|---|---|---|
| H1 | 5.11 | C1 | 102.7 |
| H2 | 3.97 | C2 | 59.5 |
| H3 | 4.25 | C3 | 75.3 |
| H4 | 3.97 | C4 | 81.5 |
| H5 | 4.16 | C5 | 74.6 |
| H6 | 4.59, 5.11 | C6 | 67.4 |
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