Dehydrodiveratric Acid (C18 H18 O8)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 362.33072
This is of the category: 5-5 Dimers
Concentration: 70 mg/ml (Source: John R. Obst)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | 3OMe | 55.81 | 1 |
| C2 | 3OMe | 55.81 | 1 |
| C3 | 4OMe | 60.19 | 1 |
| C4 | 4OMe | 60.19 | 1 |
| C7 | 2 | 112.91 | 1 |
| C8 | 2 | 112.91 | 1 |
| C5 | 6 | 124.10 | 1 |
| C6 | 6 | 124.10 | 1 |
| C9 | 1 | 125.84 | 1 |
| C10 | 1 | 125.84 | 1 |
| C11 | 5 | 131.27 | 1 |
| C12 | 5 | 131.27 | 1 |
| C15 | 4 | 150.04 | 1 |
| C16 | 4 | 150.04 | 1 |
| C13 | 3 | 152.11 | 1 |
| C14 | 3 | 152.11 | 1 |
| C17 | A | 166.72 | 1 |
| C18 | A | 166.72 | 1 |
| H27 | 3OMe | 3.64 | 1 |
| H28 | 3OMe | 3.64 | 1 |
| H29 | 3OMe | 3.64 | 1 |
| H32 | 3OMe | 3.64 | 1 |
| H31 | 3OMe | 3.64 | 1 |
| H30 | 3OMe | 3.64 | 1 |
| H33 | 4OMe | 3.93 | 1 |
| H35 | 4OMe | 3.93 | 1 |
| H34 | 4OMe | 3.93 | 1 |
| H38 | 4OMe | 3.93 | 1 |
| H36 | 4OMe | 3.93 | 1 |
| H37 | 4OMe | 3.93 | 1 |
| H41 | 2 | 7.42 | 1 |
| H42 | 2 | 7.42 | 1 |
| H39 | 6 | 7.71 | 1 |
| H40 | 6 | 7.71 | 1 |