Table 2.
1H NMR (600 MHz) and 13C NMR (150 MHz) data of 3 and 4 in CDCl3 (δ in ppm, J in Hz)
| No. | 3 | 4 | ||
|---|---|---|---|---|
| δ C | δ H | δ C | δ H | |
| 1 | 17.8, q | 1.62, s | 18.4, q | 1.68, s |
| 2 | 131.9, s | 136.6, s | ||
| 3 | 124.5, d | 5.04, br. t (7.3) | 125.9, d | 5.11, br. d (8.4) |
| 4 | 22.3, t | 2.10, m | 73.7, d | 4.77, ddd (10.6, 8.4, 6.4) |
| 2.03, overlapped | ||||
| 5 | 37.5, t | 1.51, ddd (13.7, 11.6, 5.2) | 47.8, t | 2.06, dd (13.1, 6.4) |
| 1.35, ddd (13.7, 11.6, 5.4) | 1.61, overlapped | |||
| 6 | 72.9, s | 73.1, s | ||
| 7 | 86.9, d | 3.81, dd (9.0, 6.0) | 87.9, d | 3.59, dd (10.3, 3.2) |
| 8 | 25.9, t | 1.81, overlapped | 26.5, t | 1.59, overlapped |
| 1.78, m | 1.33, m | |||
| 9 | 32.6, t | 1.97, overlapped | 39.1, t | 1.81, ddd (14.9, 11.1, 5.6) |
| 1.83, overlapped | 1.62, overlapped | |||
| 10 | 85.8, s | 80.3, s | ||
| 11 | 141.1, d | 5.83, dd (17.5, 10.9) | 145.2, d | 5.90, dd (17.5, 10.9) |
| 12 | 115.0, t | 5.23, dd (17.5, 1.1) | 111.8, t | 5.22, dd (17.5, 1.1) |
| 5.12, dd (10.9, 1.1) | 5.05, dd (10.9, 1.1) | |||
| 13 | 25.9, q | 1.68, s | 26.0, q | 1.72, s |
| 14 | 24.4, q | 1.25, s | 28.2, q | 1.29, s |
| 15 | 67.4, t | 3.47, dd (11.4, 4.4) | 23.7, q | 1.29, s |
| 3.42, dd (11.4, 6.2) | ||||
| 15-OH | 3.43, dd (6.2, 4.4) | |||