Table 2. 1H NMR Data of Compounds 6–11 (in DMSO-d6)a.
| no. | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|
| 1α | 2.01, mc | 2.28, d (13.8) | 1.80, mc | 1.74, mc | 1.61, m | 1.45, mc |
| 1β | 1.32, mc | 0.97, mc | 1.56, mc | 0.77, t (13.2) | 1.00, m | 0.90, m |
| 2α | 1.53, mb | 1.42, mc | 1.34, mc | 1.70, mc | 1.42–1.50, m | 1.41–1.49, m |
| 2β | 2.07, mb,c | 1.82, mc | 1.52, mc | 1.31, mc | ||
| 3α | 3.67, t (3.0) | 1.03, mb,c | 1.34, mb,c | 1.98, d (13.2) | 1.92, m | 1.66, m |
| 3β | 1.92, mb,c | 2.07, mb,c | 0.97, t (13.2) | 1.30, m | 1.45, mc | |
| 5 | 2.34, d (12.6) | 1.94, d (12.0) | 2.82, mc | 1.68, mc | 1.85, d (6.6) | 2.04, dd (4.2, 6.6) |
| 6 | 3.70, d (12.6) | 3.72, d (12.0) | 4.14, d (10.8) | 4.52, t (6.6) | 4.53, m | |
| 7 | 9.61, s | 3.28, s | 4.27, d (6.6) | 4.05, m | ||
| 9 | 1.43, mc | 1.45, mc | 2.54, mc | 1.34, mc | 0.95, d (3.0) | 1.05, m |
| 11α | 1.45, mb,c | 1.49, mb,c | 1.87, mc | 1.48, mb,c | 4.03, dd (3.0, 6.0) | 1.28, mc |
| 11β | 1.26, mb,c | 1.27, mb,c | 1.72, mc | 1.39, mb,c | ||
| 12α | 1.83, m | 1.85, mc | 1.80, mc | 1.56, mb | 2.06, dd (9.0, 14.4) | 2.07, m |
| 12β | 1.22, mc | 1.28, mc | 1.56, mc | 1.37, mb,c | 1.56, dd (6.0, 14.4) | 1.30, mc |
| 13 | 2.49, mc | 2.52, mc | 2.78, mc | 2.60, s | 2.59, m | 2.48, m |
| 14α | 1.65, dd (1.8, 12.0)b | 1.65, d (11.4)b | 1.80, mb,c | 1.77, mc | 2.22, dd (3.0, 10.2) | 1.41, mc |
| 14β | 1.34, dd (4.8, 12.0)b | 1.36, mb,c | 1.56, mb,c | 1.15, dd (3.6, 10.2) | 1.48, mc | 1.55, dd (11.4, 5.4) |
| 15α | 2.01, mc | 2.01, d (16.8) | 2.10, mb,c | 2.18, d (17.4) | 2.53, mc | 2.52, mc |
| 15β | 2.08, mc | 2.08, d (16.8) | 2.42, mb,c | 2.13, d (17.4) | 1.76, d (15.0) | 1.72, d (15.6) |
| 17a | 4.77, s | 4.77, s | 4.79, s | 4.73, s | 4.78, br s | 4.81, s |
| 17b | 4.85, s | 4.86, s | 4.90, s | 4.78, s | 4.92, br s | 4.95, s |
| 18 | 1.11, s | 1.09, s | 1.34, s | 1.35, s | 1.19, s | 3.45, mc |
| 20 | 0.71, s | 0.89, s | 1.03, s | 0.80, d (3.6) |
Recorded at 600 MHz.
Protons may be interchangeable for the corresponding methylenes.
Overlapped.