Position | 1 | 2 | ||||
---|---|---|---|---|---|---|
δC | δH (J in Hz) | HMBC (δH → δC) | δC | δH (J in Hz) | HMBC (δH → δC) | |
1 | 109.7 | 122.0 | ||||
2 | 158.7 | 159.5 | ||||
3 | 90.4 | 6.12 (s) | C-1, C-4, C-5, C-β | 98.7 | 6.44 (d, 2.3) | C-1, C-2, C-5 |
4 | 159.5 | 158.4 | ||||
5 | 90.4 | 6.12 (s) | C-1, C-3, C-4, C-β | 104.1 | 6.41 (dd, 8.2, 2.3) | C-1, C-3 |
6 | 158.7 | 130.3 | 7.07 (d, 8.2) | C-2, C-3, C-4, C-β | ||
1′ | 129.9 | 130.2 | ||||
2′ | 130.8 | 7.92 (d, 8.7) | C-1′, C-3′, C-4′, C-6′, C = O | 130.8 | 7.91 (d, 8.8) | C-1′, C-3′, C-4′, C-6′, C = O |
3′ | 115.2 | 6.87 (d, 8.7) | C-1′, C-2′, C-5′ | 115.3 | 6.88 (d, 8.8) | C-1′, C-4′, C-5′ |
4′ | 160.2 | 160.2 | ||||
5′ | 115.2 | 6.87 (d, 8.7) | C-1′, C-3′, C-6′ | 115.3 | 6.88 (d, 8.8) | C-1′, C-3′, C-4′ |
6′ | 130.8 | 7.92 (d, 8.7) | C-1′, C-2′, C-4′, C-5′, C = O | 130.8 | 7.91 (d, 8.8) | C-1′, C-2′, C-4′, C = O |
α | 38.4 | 3.04 (m) | C-1, C-β, C = O | 38.9 | 3.17 (m) | C-1, C-β, C = O |
β | 18.6 | 2.97 (m) | C-1, C-6, C-α, C = O | 25.4 | 2.95 (m) | C-1, C-2, C-6, C-α C = O |
2-OCH3 | 55.6 | 3.80 (s) | C-2 | 55.4 | 3.78 (s) | C-2 |
4-OCH3 | 55.3 | 3.76 (s) | C-4 | 55.3 | 3.78 (s) | C-4 |
6-OCH3 | 55.6 | 3.80 (s) | C-6 | |||
C = O | 200.3 | - | - | 199.3 |