Experimental and calculated 1H and 13C NMR chemical shifts (ppm) of compound 11.
| |||||||
|---|---|---|---|---|---|---|---|
| Atom | δ Exp11A | δ Calc11A | δ Calc11B | Atom | δ Exp11A | δ Calc11A | δ Calc11B |
| C-1 | 184.1 | 202.0 | 181.5 | H-3 | 7.34 | 7.50 | 7.29 |
| C-2 | 172.2 | 179.8 | 185.5 | H-4 | 7.35 | 7.54 | 7.51 |
| C-3 | 118.2 | 117.1 | 138.3 | H-5 | 7.19 | 7.34 | 7.07 |
| C-4 | 137.9 | 142.0 | 140.4 | H-6 | — | — | — |
| C-5 | 133.0 | 134.3 | 131.1 | H-7 | 8.62 | 9.32 | 8.27 |
| C-6 | 156.5 | 161.1 | 163.3 | H-8 | 2.88 | 2.94 | 2.91 |
| C-7 | 144.0 | 152.8 | 135.2 | H3-9 | 1.27 | 1.47 | 1.51 |
| C-8 | 39.0 | 47.8 | 47.7 | H3-10 | 1.27 | 1.51 | 1.44 |
| C-9 | 23.1 | 26.4 | 24.0 | OH or SH | 9.47 | 11.46 | 4.10 |
| C-10 | 23.1 | 25.4 | 28.1 | ||||