3,4-dimethoxy Cinnamaldehyde (C11 H12 O3)
Authors: Sally Ralph, John Ralph, Larry L. Landucci
From: NMR Database of Lignin and Cell Wall Model Compounds.
Natural Isotopic formula weight: 192.21118
This is of the category: Monomers
Concentration: 100 mg/ml (Source: Sally Ralph)
Spectrometer: Bruker WM - 250 MHz
Assigned chemical shifts
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 56.01 | 4 |
| C2 | OMe | 56.06 | 4 |
| C8 | 2 | 110.20 | 1 |
| C6 | 5 | 111.32 | 1 |
| C5 | 6 | 123.41 | 1 |
| C3 | B | 126.78 | 1 |
| C9 | 1 | 127.17 | 1 |
| C11 | 3 | 149.52 | 1 |
| C10 | 4 | 152.11 | 1 |
| C4 | A | 152.71 | 1 |
| C7 | G | 193.39 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 56.26 | 4 |
| C2 | OMe | 56.32 | 4 |
| C8 | 2 | 111.66 | 1 |
| C6 | 5 | 112.61 | 1 |
| C5 | 6 | 124.30 | 1 |
| C3 | B | 127.57 | 1 |
| C9 | 1 | 128.28 | 1 |
| C11 | 3 | 150.73 | 1 |
| C10 | 4 | 153.24 | 1 |
| C4 | A | 153.64 | 1 |
| C7 | G | 193.83 | 1 |
| H15 | OMe | 3.88 | 4 |
| H17 | OMe | 3.88 | 4 |
| H16 | OMe | 3.88 | 4 |
| H18 | OMe | 3.90 | 4 |
| H19 | OMe | 3.90 | 4 |
| H20 | OMe | 3.90 | 4 |
| H21 | B | 6.70 | 1 |
| H24 | 5 | 7.05 | 1 |
| H23 | 6 | 7.28 | 1 |
| H26 | 2 | 7.38 | 1 |
| H22 | A | 7.62 | 1 |
| H25 | G | 9.67 | 1 |
| Atom ID | Author Nomenclature | Value | Ambiguity Code |
|---|---|---|---|
| C1 | OMe | 55.51 | 1 |
| C2 | OMe | 55.51 | 1 |
| C8 | 2 | 110.58 | 1 |
| C6 | 5 | 111.55 | 1 |
| C5 | 6 | 123.50 | 1 |
| C3 | B | 126.42 | 1 |
| C9 | 1 | 126.80 | 1 |
| C11 | 3 | 148.93 | 1 |
| C10 | 4 | 151.53 | 1 |
| C4 | A | 153.27 | 1 |
| C7 | G | 193.81 | 1 |