1H and 13C NMR chemical shifts of EGCG, P4", and P7 (CD3OD). δ in ppm, J in Hz
| C/H | EGCG | P4 | P7 | |||
|---|---|---|---|---|---|---|
| 1H | 13C | 1H | 13C | 1H | 13C | |
| 2 | 4.957s | 78.577 | 4.97 s | 78.0 | 4.955s | 78.737 |
| 3 | 5.515d 1.6 | 69.909 | 5.51 s | 70.0 | 5.504s | 69.728 |
| 4α | 2.829dd 2.4, 17.6 | 26.808 | 2.85 dd 16.8 1.8 | 26.8 | 2.826d 17.2 | 26.967 |
| 4β | 2.973dd 3.6, 17.6 | 2.98 dd 16.8 4.2 | 2.973dd 4.8,17.2 | |||
| 5 | 157.198 | 157.0 | 157.131 | |||
| 6 | 5.948s | 95.847 | 5.96 d 1.8 | 95.8 | 6.203s | 97.704 |
| 7 | 157.813 | 157.8 | 158.611 | |||
| 8 | 5.948s | 96.496 | 5.95 d 1.8 | 96.2 | 6.203s | 97.574 |
| 9 | 157.847 | 157.9 | 157.814 | |||
| 10 | 99.403 | 100.1 | 102.440b | |||
| 1′ | 130.782 | 130.6 | 130.651 | |||
| 2′ | 6.492s | 106.852 | 6.49 s | 106.8 | 6.463s | 106.849 |
| 3′ | 146.254 | 146.4 | 146.695 | |||
| 4′ | 133.754 | 134.0 | 133.808 | |||
| 5′ | 146.254 | 146.4 | 146.695 | |||
| 6′ | 6.492s | 106.852 | 6.49 s | 106.8 | 6.463s | 106.849 |
| 1" | 121.481 | 128.7 | 121.459 | |||
| 2" | 6.939s | 110.233 | 6.92 s | 110.2 | 6.893s | 110.242 |
| 3" | 146.652 | 152.0 | 146.301 | |||
| 4" | 139.761 | 138.9 | 139.789 | |||
| 5" | 146.652 | 152.0 | 146.301 | |||
| 6" | 6.939s | 110.233 | 6.92 s | 110.2 | 6.893s | 110.242 |
| C = O | 167.630 | 167.7 | 167.605 | |||
| 1‴ | 4.68 d 7.8 | 106.9 | 4.818 (over-lapped) | 102.485b | ||
| 2‴ | 3.45 dd 9.6, 7.8 | 77.0 | 3.446m | 77.545 | ||
| 3‴ | 3.50 dd 9.6 9.0 | 74.0 | 3.446m | 74.600 | ||
| 4‴ | 3.52 dd 9.6 9.0 | 72.3 | 3.545t(9.2) | 73.249 | ||
| 5‴ | 3.73 d 9.6 | 76.2 | 3.840d(9.2) | 76.665 | ||
| 6‴ | 175.5 | 173.910 | ||||