No. | 实验 | | 文献[3] CDCl3 | δH (J/Hz) | δC | HMBC | 1H-1H COSY | NOESY | δH (J/Hz) | δC | 1a | 1.71 (1H, dt, 13.0/3.5) | 39.6(仲) | C-3, 5, 10 | H-1b | | | | | 1b | 0.99 (1H, m) | | | H-1a | H-3 | 2 | 1.89 (2H, m) | 28.8(仲) | | | H-25 | | | 3 | 3.49 (1H, dt, 10.3/5.6) | 78.5(叔) | C-4, 23, 24 | H-2, 3-OH | H-5, 23, 1b | | | 4 | / | 39.9(季) | | | | | | 5 | 0.82 (1H, dd, 11.4/1.9) | 56.1(叔) | C-4, 6, 7, 9, 10, 23, 24, 25 | H-6 | H-3, 23 | | | 6a | 1.61 (1H, m) | 19.3(仲) | | | | | | 6b | 1.46 (1H, m) | | | | | | | 7a | 1.46 (1H, m) | 34.1(仲) | | | | | | 7b | 1.23 (1H, m) | | | | | | | 8 | / | 42.4(季) | | | | | | 9 | 1.30 (1H, m) | 51.1(叔) | | | | | | 10 | / | 37.8(季) | | | | | | 11a | 1.54 (1H, m) | 21.8(仲) | | | | | | 11b | 1.30 (1H, m) | | H-25 | 12 | 1.47 (2H, m) | 24.9(仲) | | | | | | 13 | 1.46 (1H, m) | 50.6(叔) | | | | | | 14 | / | 42.6(季) | | | | | | 15a | 1.43 (1H, m) | 35.2(仲) | | | | | | 15b | 1.29 (1H, m) | | | | | | | 16a | 2.24 (1H, ddt, 13.1/4.7/2.4) | 22.8(仲) | C-14, 18 | H-15, 16b | H-29, 30 | | | 16b | 1.84 (1H, m) | | | H-15, 16a | | | | 17 | 1.53 (1H, m) | 55.1(叔) | | | | | | 18 | / | 44.8(季) | | | | | | 19a | 1.62 (1H, m) | 42.2(仲) | | | | | | 19b | 1.03 (1H, m) | | | | | | | 20a | 1.85 (1H, m) | 27.4(仲) | | | | | | 20b | 1.78 (1H, m) | | | | | | | 21 | 2.42 (1H, dt, 11.1/9.0) | 52.0(叔) | C-17, 18, 20, 22, 29, 30 | H-17, 20 | H-29, 30 | | | 22 | / | 72.9(季) | | | | | | 23 | 1.28 (3H, s) | 29.2(伯) | C-3, 4, 5, 24 | | H-3, 5 | | 0.98 | 24 | 1.08 (3H, s) | 16.8(伯) | C-3, 4, 5, 23 | | | | 0.77 | 25 | 0.90 (3H, s) | 16.6(伯) | C-1, 5, 9, 10 | | H-2, 11b | | 0.82 | 26 | 1.01 (3H, s) | 17.3(伯) | C-7, 8, 9, 14 | | | | 0.96 | 27 | 1.02 (3H, s) | 17.7(伯) | C-8, 13, 14, 15 | | | | 0.94 | 28 | 0.97 (3H, s) | 17.0(伯) | C-13, 17, 18, 19 | | | | 0.77 | 29 | 1.40 (3H, s) | 30.3(伯) | C-21, 22, 30 | | H-16a, 21 | | 1.20 | 30 | 1.45 (3H, s) | 31.9(伯) | C-21, 22, 29 | | H-16a, 21 | | 1.20 | 3-OH | 5.75 (1H, d, 5.3) | / | C-2, 3, 4 | H-3 | | | | 22-OH | 4.94 (1H, s) | / | C-21, 22, 29, 30 | | | | |
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