NMR parameters of 3′,5′-dihydrodiol SV 1-a
| Proton | Chemical shifts (ppm) and Coupling Constants (Hz) |
|---|---|
| 4′ | 5.75 (dd 4.4, 1.8) |
| 8′ | 5.2 (q∼2.8) |
| 6 | 4.52 (m) |
| 4 | 4.20 (br s) |
| 5′ | 3.84 (br s) |
| 3′ | 3.76 (q 4.7) |
| 3 | 2.6 (dd 17.5, 4.7) |
| 2.42 (ddd 1.75, 3.5, 1.8) | |
| 1′ | 2.35 (m) |
| 8a | ∼2.15 (m) |
| 3" | 1.52 (q 7.5) |
| 2"-CH3 | 1.10 |
| 1.11 | |
| 6′-CH3 | 0.96 (d 7.5) |
| 4" | 0.79 (t 7.5) |
| 2′-CH3 | 0.78 (d 7.1) |
↵1-a dd, double double; ddd, double double doublet; q, quartet; m, multiplet; br s, broad singlet.