Table 1.
Chemical shifts of proton and carbon in.glucose skeleton of chitosan n-octyl urea (a).
| 1H NMR δ (ppm) | 13C NMR δ (ppm) | ||
|---|---|---|---|
| H1 | 5.12 | C1 | 102.6 |
| H2 | 3.98 | C2 | 59.5 |
| H3 | 4.26 | C3 | 75.3 |
| H4 | 3.98 | C4 | 81.6 |
| H5 | 4.18 | C5 | 74.7 |
| H6 | 4.61, 5.12 | C6 | 67.6 |
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