Published September 30, 2022
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Table 2 1 H-NMR data for flavonoid sulfates 3, 6, 7, 11 15 in Phenolic fingerprints of the Pacific seagrass Phyllospadix torreyi - Structural characterization and quantification of undescribed flavonoid sulfates
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Table 2 1 H-NMR data for flavonoid sulfates 3, 6, 7, 11 15 in DMSO‑ d (δ ppm, J (Hz)).
| Compound | 3 | 6 | 8 | 2′ | 3′ | 5′ | 6′ | OMe |
|---|---|---|---|---|---|---|---|---|
| 3 | 6.50 [1 H, s] | 6.70 [1 H, | 7.12 [1 H, | 7.84 [1 H, d (2.3)] | 6.97 [1 H, d [8.5]) | 7.63 [1 H, dd (2.3, | 3.81 [3 H, | |
| d (2.2)] | d (2.2)] | 8.5)] | s] | |||||
| 6 | 6.75 [1 H, s] | 6.57 [1 H, | 6.98 [1 H, | 7.92 [1 H, d (2.3)] | 6.99 [1 H, d [8.6]) | 7.71 [1 H, dd (2.3, | ||
| d (2.1)] | d (2.1)] | 8.6)] | ||||||
| 7 | 6.73 [1 H, | 7.32 [1 H, s] | 7.93 [1 H, d (2.3)] | 6.96 [1 H, d (8.6)] | 7.71 [1 H, dd (2.3, | 3.76 [3 H, | ||
| s)] | 8.6)] | s] | ||||||
| 11 | 6.74 [1 H, s] | 6.51 [1 H, | 7.01 [1 H, | 7.44 [1 H, d (2.1)] | 6.87 [1 H, d [8.9]) | 7.44 [1 H, dd (2.1, | ||
| d (2.1)] | d (2.1)] | 8.9)] | ||||||
| 12 | 6.75 [1 H, s] | 7.32 [1 H, s] | 7.46 [1 H, d (2.0)] | 6.86 [1 H, d [8.8]) | 7.45 [1 H, dd (2.0, | 3.72 [3 H, | ||
| 8.8)] | s] | |||||||
| 13 | 6.69 [1 H, | 6.18 [1 H, | 6.49 [1 H, | 7.89 [1 H, d (2.3)] | 6.96 [1 H, d [8.6]) | 7.68 [1 H, dd (2.3, | ||
| s)] | d (2.1)] | d (2.1)] | 8.6)] | |||||
| 14 | 6.44 [1 H, | 6.15 [1 H, s] | 7.79 [1 H, d (2.3)] | 6.93 [1 H, d (8.6)] | 7.58 [1 H, dd (2.3, | 3.67 [3 H, | ||
| s)] | 8.6)] | s] | ||||||
| 15 | 6.81 [1 H, s] | 7.33 [1 H, s] | 7.91 [1 H, | 6.89 [1 H, | 6.89 [1 H, | 7.91 [1 H, d (8.78)] | 3.73 [3 H, | |
| d (8.78)] | d (8.78)] | d (8.78)] | s] |
Notes
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