Guaiacylglycerol-B-syringyl Ether (C18 H22 O7)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 350.36308
This is of the category: b-O-4 Dimers, 3-Carbon Sidechain, a-C=O
Concentration: Saturated (Source: John Ralph Lab)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C3 | OMe | 55.97 | 4 |
| C1 | OMe | 56.16 | 4 |
| C2 | OMe | 56.16 | 4 |
| C10 | G | 60.49 | 1 |
| C17 | A | 74.13 | 1 |
| C16 | B | 89.06 | 1 |
| C5 | B2 | 105.36 | 1 |
| C6 | B6 | 105.36 | 1 |
| C9 | A2 | 109.91 | 1 |
| C8 | A5 | 114.33 | 1 |
| C7 | A6 | 120.40 | 1 |
| C4 | B1 | 124.50 | 1 |
| C11 | A1 | 132.00 | 1 |
| C18 | B4 | 135.38 | 1 |
| C12 | A4 | 145.46 | 1 |
| C15 | A3 | 146.58 | 1 |
| C13 | B3 | 153.26 | 1 |
| C14 | B5 | 153.26 | 1 |
| C10 | G | 60.59 | 1 |
| C17 | A | 72.52 | 1 |
| C16 | B | 87.03 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C3 | OMe | 56.23 | 4 |
| C1 | OMe | 56.58 | 4 |
| C2 | OMe | 56.58 | 4 |
| C10 | G | 61.31 | 1 |
| C17 | A | 74.07 | 1 |
| C16 | B | 89.76 | 1 |
| C5 | B2 | 106.53 | 1 |
| C6 | B6 | 106.53 | 1 |
| C9 | A2 | 111.51 | 1 |
| C8 | A5 | 115.23 | 1 |
| C7 | A6 | 120.76 | 1 |
| C4 | B1 | 124.90 | 1 |
| C11 | A1 | 133.71 | 1 |
| C18 | B4 | 137.16 | 1 |
| C12 | A4 | 146.81 | 1 |
| C15 | A3 | 147.95 | 1 |
| C13 | B3 | 154.19 | 1 |
| C14 | B5 | 154.19 | 1 |
| H41 | G1 | 3.29 | 1 |
| H42 | G2 | 3.64 | 1 |
| H44 | A | 5.00 | 1 |
| H43 | B | 3.51 | 1 |
| H36 | B2 | 6.73 | 1 |
| H37 | B2 | 6.73 | 1 |
| H40 | A2 | 7.07 | 1 |
| H39 | A5 | 6.78 | 1 |
| H38 | A6 | 6.92 | 1 |
| H35 | B1 | 7.04 | 1 |
| H46 | A4 | 7.46 | 1 |
| H47 | AOH | 4.36 | 1 |
| C10 | G | 60.94 | 1 |
| C17 | A | 73.35 | 1 |
| C16 | B | 87.83 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C3 | OMe | 55.45 | 4 |
| C1 | OMe | 55.85 | 4 |
| C2 | OMe | 55.85 | 4 |
| C10 | G | 60.08 | 1 |
| C17 | A | 71.40 | 1 |
| C16 | B | 86.96 | 1 |
| C5 | B2 | 105.64 | 1 |
| C6 | B6 | 105.64 | 1 |
| C9 | A2 | 110.93 | 1 |
| C8 | A5 | 114.55 | 1 |
| C7 | A6 | 119.10 | 1 |
| C4 | B1 | 123.26 | 1 |
| C11 | A1 | 132.86 | 1 |
| C18 | B4 | 136.18 | 1 |
| C12 | A4 | 145.20 | 1 |
| C15 | A3 | 146.76 | 1 |
| C13 | B3 | 152.69 | 1 |
| C14 | B5 | 152.69 | 1 |
| C10 | G | 59.71 | 1 |
| C17 | A | 72.04 | 1 |
| C16 | B | 86.12 | 1 |