2-(4-Acetyl-2-methoxyphenoxy)-1-(3,4,5-trimethoxyphenyl)ethanone (C20 H22 O7)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 374.38448
This is of the category: b-O-4 Dimers, 2-Carbon Sidechain
Concentration: Saturated (Source: Larry L. Landucci)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | BB | 26.23 | 1 |
| C2 | BOMe | 56.01 | 1 |
| C3 | A3OMe | 56.32 | 1 |
| C4 | A5OMe | 56.32 | 1 |
| C5 | A4OMe | 60.96 | 1 |
| C11 | B | 71.57 | 1 |
| C9 | A2 | 105.79 | 1 |
| C10 | A6 | 105.79 | 1 |
| C8 | B2 | 110.85 | 1 |
| C7 | B5 | 112.27 | 1 |
| C6 | B6 | 122.87 | 1 |
| C14 | A1 | 129.33 | 1 |
| C13 | B1 | 131.48 | 1 |
| C20 | A4 | 143.44 | 1 |
| C17 | B3 | 149.31 | 1 |
| C16 | B4 | 151.49 | 1 |
| C18 | A3 | 153.23 | 1 |
| C19 | A5 | 153.23 | 1 |
| C15 | A | 192.68 | 1 |
| C12 | BA | 196.64 | 1 |
| H28 | BB | 2.54 | 1 |
| H29 | BB | 2.54 | 1 |
| H30 | BB | 2.54 | 1 |
| H32 | BOMe | 3.95 | 1 |
| H31 | BOMe | 3.95 | 1 |
| H33 | BOMe | 3.95 | 1 |
| H34 | A3OMe | 3.92 | 1 |
| H36 | A3OMe | 3.92 | 1 |
| H35 | A3OMe | 3.92 | 1 |
| H39 | A5OMe | 3.92 | 1 |
| H38 | A5OMe | 3.92 | 1 |
| H37 | A5OMe | 3.92 | 1 |
| H42 | A4OMe | 3.93 | 1 |
| H40 | A4OMe | 3.93 | 1 |
| H41 | A4OMe | 3.93 | 1 |
| H48 | B | 5.39 | 1 |
| H49 | B | 5.39 | 1 |
| H46 | A2 | 7.47 | 1 |
| H47 | A6 | 7.47 | 1 |
| H45 | B2 | 7.63 | 1 |
| H44 | B5 | 6.80 | 1 |
| H43 | B6 | 7.52 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | BB | 26.30 | 1 |
| C2 | BOMe | 56.28 | 1 |
| C3 | A3OMe | 56.64 | 1 |
| C4 | A5OMe | 56.64 | 1 |
| C5 | A4OMe | 60.70 | 1 |
| C11 | B | 71.84 | 1 |
| C9 | A2 | 106.70 | 1 |
| C10 | A6 | 106.70 | 1 |
| C8 | B2 | 112.10 | 1 |
| C7 | B5 | 113.40 | 1 |
| C6 | B6 | 123.39 | 1 |
| C14 | A1 | 130.74 | 1 |
| C13 | B1 | 131.98 | 1 |
| C20 | A4 | 144.21 | 1 |
| C17 | B3 | 150.23 | 1 |
| C16 | B4 | 152.98 | 1 |
| C18 | A3 | 154.34 | 1 |
| C19 | A5 | 154.34 | 1 |
| C15 | A | 193.34 | 1 |
| C12 | BA | 196.32 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | BB | 26.25 | 1 |
| C2 | BOMe | 55.58 | 1 |
| C3 | A3OMe | 56.12 | 1 |
| C4 | A5OMe | 56.12 | 1 |
| C5 | A4OMe | 60.13 | 1 |
| C11 | B | 70.48 | 1 |
| C9 | A2 | 105.57 | 1 |
| C10 | A6 | 105.57 | 1 |
| C8 | B2 | 110.84 | 1 |
| C7 | B5 | 112.24 | 1 |
| C6 | B6 | 122.56 | 1 |
| C14 | A1 | 129.40 | 1 |
| C13 | B1 | 130.24 | 1 |
| C20 | A4 | 142.45 | 1 |
| C17 | B3 | 148.52 | 1 |
| C16 | B4 | 151.61 | 1 |
| C18 | A3 | 152.85 | 1 |
| C19 | A5 | 152.85 | 1 |
| C15 | A | 192.76 | 1 |
| C12 | BA | 196.19 | 1 |