Table 1. 1H (600 MHz), 13C (150 MHz), and HMBC NMR Data for Compounds 1 and 2 in CD3OD.
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1 |
2 |
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|---|---|---|---|---|---|---|
| position | δC, type | δH (J in Hz) | HMBC | δC, type | δH (J in Hz) | HMBC |
| 1a | 32.4, CH2 | 1.72, m | 3, 5, 10 | 31.9, CH2 | 1.77, m | 2, 5, 9, 10, 19 |
| 1b | 1.34, m | 2, 9, 10 | 1.39, m | 2, 9, 10, 19 | ||
| 2a | 25.2, CH2 | 1.91, m | 1 | 21.5, CH2 | 2.12, m | 1, 9, 10 |
| 2b | 1.71, m | 10 | 1.75, m | |||
| 3 | 48.7, CH | 3.53, br s | 50.3, CH | 3.45, br s | 1, 4, 5 | |
| 4a | 31.6, CH2 | 1.75, m | 5 | 71.9, CH | 5.00, br s | 3, 5, 10, C-OAc, Me-OAc |
| 4b | 1.61, m | 5 | ||||
| 5 | 35.7, CH | 1.62, m | 39.8, CH | 1.80, m | 6, 9, 10, 19 | |
| 6a | 30.2, CH2 | 1.77, m | 5 | 25.9, CH2 | 2.06, m | |
| 6b | 1.76, m | 1.74, m | 10 | |||
| 7 | 118.5, CH | 5.22, br d (2.6) | 5, 6, 9, 14 | 118.5, CH | 5.25, br d (2.6) | 6, 5, 9, 14 |
| 8 | 140.4, C | 140.1, C | ||||
| 9 | 50.2, CH | 1.84, m | 11 | 51.0, CH | 1.87, m | 5, 7, 8, 13 |
| 10 | 35.7, C | 35.5, C | ||||
| 11a | 22.3, CH2 | 1.64, m | 22.0, CH | 1.60, m | 8, 13 | |
| 11b | 1.52, m | 9, 10, 12 | 1.53, m | 9, 10, 12 | ||
| 12a | 40.8, CH2 | 2.12, m | 9, 13, 14 | 40.6, CH2 | 2.12, m | 13, 14, 17, 18 |
| 12b | 1.32, m | 11, 13, 14, 17, 18 | 1.30, m | 11, 13, 14, 17, 20, 18 | ||
| 13 | 44.7, C | 44.7, C | ||||
| 14 | 56.2, CH | 1.89, m | 13 | 56.1, CH | 1.88, m | 8, 13 |
| 15a | 24.0, CH2 | 1.57, m | 24.0, CH2 | 1.58, m | 8, 13, 14 | |
| 15b | 1.47, m | 8, 14, 16 | 1.46, m | 8, 14, 16 | ||
| 16a | 28.8, CH2 | 1.93, m | 13, 15, 17 | 28.7, CH2 | 1.92, m | 15, 17 |
| 16b | 1.39, m | 1.38, m | 15, 17 | |||
| 17 | 57.8, CH | 1.26, m | 12, 13, 16, 20, 22, 18 | 57.7, CH | 1.26, d (9.6) | 12, 13, 20, 22, 18 |
| 18 | 12.4, CH3 | 0.63, s | 12, 13, 14, 17 | 12.4, CH3 | 0.63, s | 12, 13, 14, 17 |
| 19 | 12.5, CH3 | 0.85, s | 1, 5, 9, 10 | 15.0, CH3 | 1.07, s | 1, 5, 9, 10 |
| 20 | 34.7, CH | 1.56, m | 34.7, CH | 1.56, m | 13, 17, 18 | |
| 21 | 18.3, CH3 | 1.12, d (6.4) | 17, 20, 22 | 18.3, CH3 | 1.12, d (6.3) | 17, 20, 22 |
| 22a | 39.1, CH2 | 1.77, m | 23, 21 | 39.1, CH2 | 1.78, m | 23, 21 |
| 22b | 1.34, m | 17 | 1.34, m | 17, 20, 21 | ||
| 23 | 59.2, CH | 4.40, br (11.7) | 24 | 59.1, CH | 4.40, d (11.8) | 20, 22, 24, 25, 28, 29 |
| 24 | 130.6, C | 130.6, C | ||||
| 25 | 128.4, C | 128.4, C | ||||
| 26 | 21.1, CH3 | 1.71, br s | 23, 24, 25, 28 | 21.1, CH3 | 1.71, s | 23, 24, 25, 28, 27 |
| 27 | 21.7, CH3 | 1.71, br s | 23, 24, 25, 28 | 21.7, CH3 | 1.71, s | 23, 24, 25, 28, 26 |
| 28a | 28.0, CH2 | 2.66, m | 24, 25, 29 | 28.0, CH2 | 2.67, m | 23, 24, 25, 29 |
| 28b | 2.61, m | 24, 29 | 2.61, m | 24, 25, 29 | ||
| 29a | 45.1, CH2 | 3.43, m | 24, 28 | 45.1, CH2 | 3.41, m | 23, 24, 28 |
| 29b | 3.32, obs | 23, 24, 28 | 3.3, obs m | 23, 24, 28 | ||
| Ac | 171.5, C | |||||
| 20.8, CH3 | 2.10, s | C-OAc, 4 | ||||