Table 1.
NMR chemical shifts of selected protons.
| Structure or functional group | Chemical shift (ppm) |
|---|---|
| Aromatic H | 8.0–6.2 |
| Hα in CH2 Ester | 6.2–5.8 |
| -OCH3 | 4.2–3.6 |
| Aromatic acetate | 2.6–2.2 |
| Aliphatic acetate | 2.2–1.6 |
| TMS | 0.0 |
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