Table 1.
NMR Data of 1 and 6 in CDCl3 (δ in ppm and J in Hz)
| No. | 1 | No. | 6 | ||
|---|---|---|---|---|---|
| δ H | δ C | δ H | δ C | ||
| 1 | 1.65 (m) | 36.7 | 2 | 4.62 (d, 7. 0) | 86.1 |
| 1.16 (td, 13.4, 3.6) | |||||
| 2 | 1.64 (m) | 27.4 | 3 | 3.13 (m) | 48.2 |
| 1.54 (m) | |||||
| 3 | 3.26 (dd, 11.4, 4.1) | 78.8 | 4 | 3.46 (td, 9.0, 3.9) | 46.0 |
| 4 | 38.9 | 5 | 4.37 (d, 9.0) | 69.8 | |
| 4.19 (dd, 9.0, 3.9) | |||||
| 5 | 1.09 (m) | 54.1 | 1′ | 130.5 | |
| 6 | 1.67 (m) | 22.2 | 2′ | 6.89 (br s) | 108.4 |
| 1.43 (dd, 13.0, 4.1) | |||||
| 7 | 2.37 (dd, 13.9, 5.0) | 35.4 | 3′ | 146.9 | |
| 2.10 (td, 13.9, 5.0) | |||||
| 8 | 138.1 | 4′ | 145.8 | ||
| 9 | 1.83 (t, 8.3) | 46.3 | 5′ | 6.91 (d, 8.1) | 114.4 |
| 10 | 38.2 | 6′ | 6.81 (dd, 8.1, 1.9) | 119.1 | |
| 11 | 1.68 (m) | 25.9 | CH2OH | 4.51 (dd, 9.8, 7.0) | 69.9 |
| 1.62 (m) | 4.33 (dd, 9.8, 1.9) | ||||
| 12 | 3.63 (s) | 72.7 | COOH | 178.6 | |
| 13 | 43.7 | OCH3 | 3.92 (s) | 55.9 | |
| 14 | 5.07 (s) | 125.7 | |||
| 15 | 5.74 (dd, 17.6, 10.0) | 146.1 | |||
| 16 | 5.01 (d, 17.6) | 114.2 | |||
| 5.00 (d, 10.0) | |||||
| 17 | 1.07 (s) | 23.5 | |||
| 18 | 1.02 (s) | 28.4 | |||
| 19 | 0.82 (s) | 15.6 | |||
| 20 | 0.74 (s) | 14.7 | |||