4-Methoxycinnamic Acid (C10 H10 O3)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 178.1846
This is of the category: Monomers
Concentration: 132 mg/ml (Source: Aldrich)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| H16 | OMe | 3.85 | 1 |
| H15 | OMe | 3.85 | 1 |
| H14 | OMe | 3.85 | 1 |
| H20 | 3 | 6.92 | 1 |
| H21 | 5 | 6.92 | 1 |
| H19 | A | 7.75 | 1 |
| H17 | 2 | 7.51 | 1 |
| H18 | 6 | 7.51 | 1 |
| H22 | B | 6.32 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 55.68 | 1 |
| C5 | 3 | 115.14 | 1 |
| C6 | 5 | 115.14 | 1 |
| C7 | B | 116.52 | 1 |
| C8 | 1 | 128.02 | 1 |
| C2 | 2 | 130.58 | 1 |
| C3 | 6 | 130.58 | 1 |
| C4 | A | 145.19 | 1 |
| C9 | 4 | 162.41 | 1 |
| C10 | G | 168.11 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 55.22 | 1 |
| C5 | 3 | 114.30 | 1 |
| C6 | 5 | 114.30 | 1 |
| C7 | B | 116.51 | 1 |
| C8 | 1 | 126.82 | 1 |
| C2 | 2 | 129.84 | 1 |
| C3 | 6 | 129.84 | 1 |
| C4 | A | 143.65 | 1 |
| C9 | 4 | 160.90 | 1 |
| C10 | G | 167.78 | 1 |