Table 1 Correlation table for NMR data of compound 8: (-)-8-hydroxypinoresinol
No. | 13C NMR (125 MHz) in CDCl3 | 13C NMR (125 MHz) in (CD3)2CO (Dong et al. 2018) | 1H NMR (500 MHz) in CD3OD (J in Hz) | COSY | NOESY |
|---|---|---|---|---|---|
1 | 132.6 C | 132.4 | – | ||
2 | 109.3 CH | 109.1 | 6.99 d, J = 2.0 | 2’β | |
3 | 145.7 C | 147.3 | – | ||
4 | 146.3 C | 145.8 | – | ||
5 | 114.9 CH | 114.7 | 6.95 d, J = 8.1 | ||
6 | 119.9 CH | 119.7 | 6.90 dd, J = 2.0, 8.0 | ||
7 | 86.0 CH | 85.7 | 4.86 d, J = 4.7 | ||
8 | 60.3 CH | 60.2 | 3.12 m | 7β, 9β, 9’β | |
9α | 71.9 CH2 | 71.7 | 4.52 dd, J = 8.2, 9.3 | ||
9β | 3.85 dd, J = 6.3, 9.3 | ||||
1’ | 127.2 C | 127.0 | |||
2’ | 109.6 CH | 109.2 | 6.98 d, J = 1.8 | 2β | |
31 | 146.9 C | 147.3 | |||
4’ | 147.2 C | 145.8 | |||
5’ | 114.5 CH | 114.7 | 6.90 d, J = 8.0 | ||
6’ | 119.8 CH | 119.7 | 6.87 dd, J = 2.0, 8.0 | ||
7’ | 88.0 CH | 87.8 | 4.85 s | ||
8’ | 91.9 C | 91.7 | |||
9’α | 74.9 CH2 | 74.7 | 4.01 dd, J = 9.4 | ||
9’β | 3.92 dd, J = 9.4 | ||||
OCH3 | 56.3 | 56.0 | 3.92 s | 2’ | |
OCH3 | 56.2 | 56.0 | 3.90 s | 2 |