Table 1.
1H and 13C NMR data for compounds L1a, L1b, and XL4 (in CDCl3, 600.28 and 150.95 MHz for 1H and 13C).
| No. |
L1a |
L1b |
XL4 |
|||
|---|---|---|---|---|---|---|
| δH | δC | δH | δC | δH | δC | |
| 1 | 37.3 | 38.4 | 0.89 (td, J = 13.0, 3.7 Hz)1.94 (d, J = 14.1 Hz) |
40.8 | ||
| 2 | 31.7 | 32.0 | 1.46 1.90 |
19.1 | ||
| 3 | 3.53 (m) | 71.8 | 3.64 (m) | 70.5 | 1.03 (td, J = 13.7, 4.4 Hz) 1.24 |
37.7 |
| 4 | 2.30 (ddd, J = 13.2, 5.2, 2.1 Hz)2.23 (m) |
42.2 | 2.47 (ddd, J = 14.3, 4.7, 2.5 Hz)2.28 (m) |
40.8 | − | 43.7 |
| 5 | 140.8 | 139.8 | 1.02 (d, J = 11.8 Hz) | 56.5 | ||
| 6 | 5.35 (m) | 121.7 | 5.38 (m) | 119.6 | 1.80 1.88 |
21.3 |
| 7 | 31.9 | 5.57 (dd, J = 5.6, 2.3 Hz) | 116.3 | 2.07 (d, J = 11.8 Hz)1.18 (dd, J = 11.8, 4.5 Hz) |
36.4 | |
| 8 | 31.9 | 141.4 | − | 46.0 | ||
| 9 | 51.3 | 46.3 | 1.33 (d, J = 7.1 Hz) | 47.0 | ||
| 10 | 36.5 | 37.0 | − | 39.4 | ||
| 11 | 21.2 | 21.1 | 1.57 1.69 |
18.0 | ||
| 12 | 39.9 | 39.1 | 1.49 1.65 |
33.3 | ||
| 13 | 42.3 | 42.8 | 2.67 (br s) | 40.6 | ||
| 14 | 56.9 | 54.6 | 1.39 (td, J = 13.4, 3.9 Hz) 1.47) |
38.9 | ||
| 15 | 24.4 | 23.0 | 5.15 (t, J = 1.5 Hz) | 81.7 | ||
| 16 | 28.9 | 28.3 | − | 153.8 | ||
| 17 | 56.1 | 55.8 | 4.94 (d, J = 2.5 Hz)4.87 (br s) |
106.1 | ||
| 18 | 12.3 | 12.0 | 1.24 (s) | 28.9 | ||
| 19 | 19.8 | 17.6 | − | 184.4 | ||
| 20 | 40.5 | 40.4 | 0.98 (s) | 15.8 | ||
| 21 | 21.1 | 21.1 | − | 171.4 | ||
| 22 | 5.15 (dd, J = 15.3, 8.4 Hz) | 138.3 | 5.23 (dd, J = 15.2, 7.3 Hz) | 135.6 | 2.17 (s) | 21.3 |
| 23 | 5.02 (dd, J = 15.3, 8.5 Hz) | 129.3 | 5.18 (dd, J = 15.2, 7.3 Hz) | 132.0 | − | − |
| 24 | 50.2 | 42.8 | − | − | ||
| 25 | 34.0 | 33.1 | − | − | ||
| 26 | 23.1 | 19.7 | − | − | ||
| 27 | 19.4 | 20.0 | − | − | ||
| 28 | 26.1 | 16.3 | − | − | ||
| 29 | 12.1 | – | − | − | ||
Note: Chemical shifts are given in (ppm) relative to an internal reference, tetramethylsilane (TMS). Coupling constants (J) are given in Hz.