NMR data (700 MHz for 1H and 175 MHz for 13C in CDCl3) for 1 and 2.
| Position | 1 | 2 | ||
|---|---|---|---|---|
| 13C NMR | 1H NMR | 13C NMR | 1H NMR | |
| δ C (mult.) | δ H (integral, mult, J Hz) | δ C (mult.) | δ H (integral, mult, J Hz) | |
| 1 | 38.2 (t) | 2.04 (1H, m) | 38.1 (t) | 2.03 (1H, m) |
| 1.37 (1H, m) | 1.46 (1H, m) | |||
| 2 | 38.5 (t) | 2.37 (1H, m) | 38.0 (t) | 2.35 (1H, m) |
| 2.33 (1H, m) | 2.03 (1H, m) | |||
| 3 | 211.7 (s) | 211.4 (s) | ||
| 4 | 44.7 (t) | 2.11 (1H, m) | 44.5 (t) | 2.27 (1H, m) |
| 2.28 (1H, m) | 2.11 (1H, m) | |||
| 5 | 46.7 (d) | 1.58 (1H, m) | 46.5 (d) | 1.58 (1H, m, overlap) |
| 6 | 28.8 (t) | 1.38 (2H, m) | 28.6 (t) | 1.37 (2H, m) |
| 7 | 31.9 (t) | 1.66 (1H, m) | 31.4 (t) | 1.70 (1H, m) |
| 1.01 (1H, dd, 14; 7) | 1.03 (1H, m) | |||
| 8 | 34.4 (d) | 1.60 (1H, m) | 34.6 (d) | 1.67 (1H, m) |
| 9 | 53.8 (d) | 0.93 (1H, m) | 53.4 (d) | 0.93 (1H, m) |
| 10 | 35.9 (s) | 35.9 (s) | ||
| 11 | 21.0 (t) | 1.65 (1H, m) | 20.1 (t) | 1.71 (1H, m) |
| 1.49 (1H, m) | 1.46 (1H, m) | |||
| 12 | 39.2 (t) | 1.86 (2H, m) | 30.2 (t) | 1.46 (1H, m) |
| 1.28 (1H, dd, 14; 7) | ||||
| 13 | 43.1 (s) | 39.8 (s) | ||
| 14 | 50.3 (d) | 1.46 (1H, m) | 48.5 (d) | 1.71 (1H, m, overlap) |
| 15 | 39.5 (t) | 2.25 (1H, m) | 39.7 (t) | 2.37 (1H, d, 7) |
| 1.48 (1H, m) | 2.15 (1H, d, 7) | |||
| 16 | 217.5 (s) | 215.2 (s) | ||
| 17 | 69.7 (d) | 1.91 (1H, d, 7) | 69.0 (s) | |
| 18 | 13.9 (q) | 0.95 (3H, s) | 16.8 (q) | 1.02 (3H, s) |
| 19 | 11.6 (q) | 1.05 (3H, s) | 11.5 (q) | 1.05 (3H, s) |
| 20 | 66.5 (d) | 4.06 (1H, m) | 57.2 (d) | 3.15 (1H, q, 7) |
| 21 | 23.3 (q) | 1.42 (3H, d, 7) | 12.7 (q) | 1.58 (3H, d, 7) |