Table 1.
No | 1H NMR | 13C NMR |
---|---|---|
1 | - | 205.2 |
2 | - | 76.5 |
3 | 6.27 (d, J = 9.0 Hz, 1H) | 122.9 |
4 | 7.37 (d, J = 9.0 Hz, 1H) | 145.7 |
4a | 129.3 | |
5 | 7.62 (d, J = 8.0 Hz, 1H) | 126.8 |
6 | 6.98 (dd, J = 8.5, 2.6 Hz, 1H) | 115.8 |
7 | - | 159.1 |
8 | 6.82 (d, J = 2.6 Hz, 1H) | 114.6 |
8a | - | 136.9 |
7-OMe | 3.83 (s, 3H) | 55.4 |
2-Me | 1.52 (s, 3H) | 33.0 |
2-OH | 3.61 (s, OH, 1H) |