Table 2.
NMR spectroscopic data for compounds 3–6 in CD3OD.
| no. | 3 |
4 |
5 |
6 |
||||
|---|---|---|---|---|---|---|---|---|
| δC | δH multi. J (Hz) | δC | δH multi. J (Hz) | δC | δH multi. J (Hz) | δC | δH multi. J (Hz) | |
| 1 | 170.1 | 170.1 | 170.1 | 170.7 | ||||
| 2 | 120.7 | 5.96 d (15.6) | 120.7 | 5.96 d (15.6) | 117.3 | 5.86 d (15.6) | 117.3 | 5.86 d (15.5) |
| 3 | 146.4 | 7.25 d (15.5) | 147.8 | 7.27 d (15.5) | 148.9 | 7.30 d (15.5) | 148.3 | 7.30 d (15.4) |
| 4 | 135.9 | 134.7 | 131.4 | 132.3 | ||||
| 5 | 137.4 | 5.88 d (8.9) | 138.5 | 5.85 d (9.0) | 138.3 | 6.41 d (11.3) | 137.5 | 6.38 d (11.1) |
| 6 | 70.9 | 4.33 dd (5.1, 8.9) | 70.9 | 4.30 dd (5.9, 9.0) | 127.0 | 6.51 t (11.9) | 126.9 | 6.51 t (13.0) |
| 7 | 74.2 | 3.55 m | 74.3 | 3.48 m | 139.3 | 5.97 m | 137.7 | 5.97 m |
| 8 | 32.3 | 1.55 m | 32.3 | 1.38 m 1.50 m |
32.4 | 2.20 m | 27.0 | 2.46 m |
| 9 | 25.2 | 1.35 m 1.55 m |
25.2 | 1.36 m 1.51 m |
22.9 | 1.70 m | 40.9 | 2.62 t (7.2) |
| 10 | 31.7 | 1.33 m | 31.6 | 1.33 m | 42.4 | 2.53 t (7.3) | 212.3 | |
| 11 | 22.3 | 1.34 m | 22.2 | 1.34 m | 210 | 35.3 | 2.50 m | |
| 12 | 13.0 | 0.92 t (6.6) | 13.0 | 0.94 t (6.8) | 28.7 | 2.14 s | 6.77 | 1.05 t (7.3) |
| 14 | 11.8 | 1.88 s | 11.8 | 1.90 s | 11.4 | 1.90 s | 11.4 | 1.90 s |