Syringic Acid Methyl Ester (C10 H12 O5)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 212.19928
This is of the category: Monomers
Concentration: 186.6 mg/ml (Source: John Ralph)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C3 | AOMe | 52.07 | 1 |
| C1 | 3OMe | 56.41 | 1 |
| C2 | 5OMe | 56.41 | 1 |
| C4 | 2 | 106.80 | 1 |
| C5 | 6 | 106.80 | 1 |
| C6 | 1 | 120.96 | 1 |
| C9 | 4 | 139.49 | 1 |
| C7 | 3 | 146.78 | 1 |
| C8 | 5 | 146.78 | 1 |
| C10 | A | 166.92 | 1 |
| H22 | AOMe | 3.89 | 1 |
| H23 | AOMe | 3.89 | 1 |
| H24 | AOMe | 3.89 | 1 |
| H16 | 3OMe | 3.90 | 1 |
| H18 | 3OMe | 3.90 | 1 |
| H17 | 3OMe | 3.90 | 1 |
| H19 | 5OMe | 3.90 | 1 |
| H21 | 5OMe | 3.90 | 1 |
| H20 | 5OMe | 3.90 | 1 |
| H25 | 2 | 7.31 | 1 |
| H26 | 6 | 7.31 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C3 | AOMe | 52.11 | 1 |
| C1 | 3OMe | 56.67 | 1 |
| C2 | 5OMe | 56.67 | 1 |
| C4 | 2 | 107.87 | 1 |
| C5 | 6 | 107.87 | 1 |
| C6 | 1 | 121.07 | 1 |
| C9 | 4 | 141.65 | 1 |
| C7 | 3 | 148.33 | 1 |
| C8 | 5 | 148.33 | 1 |
| C10 | A | 167.16 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C3 | AOMe | 51.78 | 1 |
| C1 | 3OMe | 56.04 | 1 |
| C2 | 5OMe | 56.04 | 1 |
| C4 | 2 | 106.82 | 1 |
| C5 | 6 | 106.82 | 1 |
| C6 | 1 | 119.28 | 1 |
| C9 | 4 | 140.72 | 1 |
| C7 | 3 | 147.58 | 1 |
| C8 | 5 | 147.58 | 1 |
| C10 | A | 166.10 | 1 |