No. | 实验 | | 文献[2] CDCl3 | δH (J/Hz) | δC | HMBC | 1H-1H COSY | NOESY | δH (J/Hz) | δC | 1a | 1.78 (1H, m) | 34.3(仲) | | | | | | 33.2 | 1b | 1.49 (1H, m) | | | | | | | | 2a | 2.05 (1H, m) | 27.0(仲) | C-10 | H-2b, 3 | H-25 | | | 25.3 | 2b | 1.81 (1H, m) | | | H-2a, 3 | | | | | 3 | 3.65 (1H, t, 2.8) | 75.7(叔) | C-1, 5, 24 | H-2 | H-23, 24 | | 3.39 (1H, t, 3.1) | 76.2 | 4 | / | 38.5(季) | | | | | | 37.5 | 5 | 1.66 (1H, dd, 11.9/1.5) | 49.5(叔) | C-4, 6, 7, 9, 10, 23, 24, 25 | | H-23 | | | 48.8 | 6a | 1.51 (1H, m) | 19.1(仲) | | | | | | 18.3 | 6b | 1.43 (1H, m) | | | | | | | | 7a | 1.53 (1H, m) | 34.1(仲) | | | | | | 33.2 | 7b | 1.21 (1H, m) | | | | | | | | 8 | / | 42.558(季) | | | | | | 41.8 | 9 | 1.47 (1H, m) | 50.9(叔) | | | | | | 50.0 | 10 | / | 38.0(季) | | | | | | 37.2 | 11a | 1.62 (1H, m) | 21.7(仲) | | | | | | 20.9 | 11b | 1.35 (1H, m) | | | | | | | | 12 | 1.44 (2H, m) | 24.9(仲) | | | | | | 24.1 | 13 | 1.44 (1H, m) | 50.6(叔) | | | | | | 49.9 | 14 | / | 42.575(季) | | | | | | 41.9 | 15a | 1.40 (1H, m) | 35.1(仲) | | | | | | 34.7 | 15b | 1.23 (1H, m) | | | | | | | | 16a | 2.21(1H, ddt, 12.9/4.5/2.4) | 22.7(仲) | C-14, 15, 18 | H-15, 16b | H-29, 30 | | | 21.9 | 16b | 1.80 (1H, m) | | | H-15, 16a | | | | | 17 | 1.53 (1H, m) | 55.1(叔) | | | | | | 53.9 | 18 | / | 44.8(季) | | | | | | 44.1 | 19a | 1.60 (1H, m) | 42.2(仲) | | | | | | 41.3 | 19b | 1.00 (1H, m) | | | | | | | | 20a | 1.83 (1H, m) | 27.4(仲) | | | | | | 26.6 | 20b | 1.78 (1H, m) | | | | | | | | 21 | 2.40 (1H, dt, 11.1/8.9) | 52.0(叔) | C-17, 18, 20, 22, 29, 30 | H-17, 20 | H-29, 30 | | | 51.1 | 22 | / | 72.7(季) | | | | | | 73.9 | 23 | 1.25 (3H, s) | 29.8(伯) | C-3, 4, 5, 24 | | H-3, 5 | | 0.76 | 28.3 | 24 | 0.94 (3H, s) | 23.0(伯) | C-3, 4, 5, 23 | | H-3 | | 0.94 | 22.1 | 25 | 0.93 (3H, s) | 16.5(伯) | C-1, 5, 9, 10 | | H-2a | | 0.83 | 15.7 | 26 | 1.03 (3H, s) | 17.4(伯) | C-7, 8, 9, 14 | | | | 0.96 | 17.0 | 27 | 0.90 (3H, s) | 17.6(伯) | C-8, 13, 14, 15 | | | | 0.96 | 17.1 | 28 | 0.93 (3H, s) | 16.9(伯) | C-13, 17, 18, 19 | | | | 0.76 | 16.2 | 29 | 1.38 (3H, s) | 30.3(伯) | C-21, 22, 30 | | H-16a, 21 | | 1.18 | 28.7 | 30 | 1.43 (3H, s) | 31.9(伯) | C-21, 22, 29 | | H-16a, 21 | | 1.21 | 30.9 | 3-OH | / | / | | | | | | | 22-OH | / | / | | | | | | |
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