TABLE 3.
Carbon | 1H NMR δ (J in Hz) | 13C NMR (δ) | Multiplicity |
---|---|---|---|
1 | 192.76 | C | |
2 | 6.02 br s | 101.38 | CH |
3 | 175.57 | C | |
3-OCH3 | 3.56 (s) | 57.07 | OCH3 |
4 | 5.79 br s | 71.77 | CH |
4a | 87.59 | C | |
5 | 195.73 | C | |
5a | 141.07 | C | |
6 | 8.20 (s) | 121.39 | CH |
6a | 130.30 | C | |
7 | 7.74 (s) | 112.02 | CH |
8 | 156.12 | C | |
9 | 130.09 | C | |
9-C = O | 168.63 | C | |
9-CH3CO | 3.94 (s) | 53.10 | CH3 |
10 | 138.52 | C | |
10-CH3 | 2.91 (s) | 21.72 | CH3 |
10a | 121.94 | C | |
11 | 167.37 | C | |
11-OH | 14.03a br (s) | ||
11a | 110.65 | C | |
12 | 199.68 | C | |
12a | 86.02 | C | |
1′ | 6.28 (dd, J = 9, 3 Hz) | 98.08 | CH |
2′a | 2.80 (ddd, J = 13, 9, 3 Hz) | 35.29 | CH2 |
2′e | 2.38 (ddd, J = 13, 3, 3 Hz) | ||
3′ | 4.74 (ddd, J = 3, 3, 3 Hz) | 71.93 | CH |
4′ | 4.00 (dd, J = 3.0, 1.5) | 71.77 | CH |
5′ | 4.85 (dq, J = 6.0, 1.5) | 69.94 | CH |
6′ | 1.66 (d, J = 6.0) | 18.03 | CH3 |
Observable in d6-acetone.