Table 1.
Carbon No. | 13C-NMR δC, ppm | 1H-NMR δH, ppm | COSY correlations | HMBC correlations |
---|---|---|---|---|
1 | 138.6 | - | ||
2 | 150.3 | - | ||
3 | 119.7 | 7.20 (d, 2.3Hz) | 1, 2, 5 | |
4 | 117.3 | - | ||
5 | 127.8 | 7.34 (d, 2.3Hz) | 4, 6 | |
6 | 119.8 | - | ||
1′ | 152.0 | - | ||
2′ | 112.6 | - | ||
3′ | 136.2 | 7.77 (d, 2.3Hz) | 1′, 5′ | |
4′ | 116.0 | - | ||
5′ | 131.5 | 7.29 (dd, 8.8Hz) | H6′ | 3′, 1′ |
6′ | 115.9 | 6.43 (d, 8.8Hz) | H5′ | 1′, 2′ |