G-5-O-4-G (C20 H26 O5)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 346.41744
This is of the category: 5-O-4 Dimers
Concentration: 22 mg/ml (Source: Forest Products Laboratory)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C2 | AG | 10.16 | 1 |
| C1 | BG | 13.85 | 1 |
| C5 | BB | 24.61 | 1 |
| C6 | AB | 31.83 | 1 |
| C7 | BA | 37.87 | 1 |
| C3 | BOMe | 55.95 | 1 |
| C4 | AOMe | 56.29 | 1 |
| C15 | AA | 75.94 | 1 |
| C11 | A2 | 104.43 | 1 |
| C12 | A6 | 109.38 | 1 |
| C10 | B2 | 112.88 | 1 |
| C45 | B5 | 119.57 | 1 |
| C44 | B6 | 120.77 | 1 |
| C20 | A4 | 136.18 | 1 |
| C14 | A1 | 135.83 | 1 |
| C13 | B1 | 139.42 | 1 |
| C16 | B4 | 143.63 | 1 |
| C19 | A5 | 144.59 | 1 |
| C18 | A3 | 148.01 | 1 |
| C17 | B3 | 150.27 | 1 |
| H29 | AG | 0.86 | 1 |
| H30 | AG | 0.86 | 1 |
| H31 | AG | 0.86 | 1 |
| H26 | BG | 0.95 | 1 |
| H27 | BG | 0.95 | 1 |
| H28 | BG | 0.95 | 1 |
| H40 | AB | 1.67 | 1 |
| H41 | AB | 1.67 | 1 |
| H38 | BB | 1.67 | 1 |
| H39 | BB | 1.67 | 1 |
| H42 | BA | 2.56 | 1 |
| H43 | BA | 2.56 | 1 |
| H32 | OMe | 3.85 | 4 |
| H33 | OMe | 3.85 | 4 |
| H34 | OMe | 3.85 | 4 |
| H35 | OMe | 3.91 | 4 |
| H36 | OMe | 3.91 | 4 |
| H37 | OMe | 3.91 | 4 |
| H49 | AA | 4.43 | 1 |
| H48 | A6 | 6.53 | 1 |
| H47 | A2 | 6.69 | 1 |
| H44 | B6 | 6.69 | 1 |
| H46 | B2 | 6.79 | 1 |
| H45 | B5 | 6.88 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C2 | AG | 10.48 | 1 |
| C1 | BG | 14.05 | 1 |
| C5 | BB | 25.41 | 1 |
| C6 | AB | 33.20 | 1 |
| C7 | BA | 38.33 | 1 |
| C3 | BOMe | 56.27 | 1 |
| C4 | AOMe | 56.56 | 1 |
| C15 | AA | 75.40 | 1 |
| C11 | A2 | 105.66 | 1 |
| C12 | A6 | 109.81 | 1 |
| C10 | B2 | 114.27 | 1 |
| C45 | B5 | 119.64 | 1 |
| C44 | B6 | 121.35 | 1 |
| C20 | A4 | 137.28 | 1 |
| C14 | A1 | 137.69 | 1 |
| C13 | B1 | 139.25 | 1 |
| C16 | B4 | 145.23 | 1 |
| C19 | A5 | 145.44 | 1 |
| C18 | A3 | 149.29 | 1 |
| C17 | B3 | 151.45 | 1 |
| H29 | AG | 0.83 | 1 |
| H30 | AG | 0.83 | 1 |
| H31 | AG | 0.83 | 1 |
| H26 | BG | 0.93 | 1 |
| H27 | BG | 0.93 | 1 |
| H28 | BG | 0.93 | 1 |
| H40 | AB | 1.62 | 1 |
| H41 | AB | 1.62 | 1 |
| H38 | BB | 1.62 | 1 |
| H39 | BB | 1.62 | 1 |
| H42 | BA | 2.56 | 1 |
| H43 | BA | 2.56 | 1 |
| H32 | OMe | 3.81 | 4 |
| H33 | OMe | 3.81 | 4 |
| H34 | OMe | 3.81 | 4 |
| H35 | OMe | 3.86 | 4 |
| H36 | OMe | 3.86 | 4 |
| H37 | OMe | 3.86 | 4 |
| H49 | AA | 4.39 | 1 |
| H48 | A6 | 6.45 | 1 |
| H44 | B6 | 6.70 | 1 |
| H45 | B5 | 6.75 | 1 |
| H47 | A2 | 6.76 | 1 |
| H46 | B2 | 6.94 | 1 |
| H51 | A4-OH | 7.39 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C2 | AG | 10.06 | 1 |
| C1 | BG | 13.68 | 1 |
| C5 | BB | 24.15 | 1 |
| C6 | AB | 32.05 | 1 |
| C7 | BA | 38.50 | 1 |
| C3 | BOMe | 55.57 | 1 |
| C4 | AOMe | 55.91 | 1 |
| C15 | AA | 73.36 | 1 |
| C11 | A2 | 104.81 | 1 |
| C12 | A6 | 108.57 | 1 |
| C10 | B2 | 113.19 | 1 |
| C45 | B5 | 118.00 | 1 |
| C44 | B6 | 120.25 | 1 |
| C20 | A4 | 135.77 | 1 |
| C14 | A1 | 136.52 | 1 |
| C13 | B1 | 137.60 | 1 |
| C16 | B4 | 143.69 | 1 |
| C19 | A5 | 144.24 | 1 |
| C18 | A3 | 148.46 | 1 |
| C17 | B3 | 149.79 | 1 |