| 首烏藤 |
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| 何首烏苷(2,3,5,4-Tetrahydroxystilbene-2-Ο-β-D-glucoside)結構 |
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| 何首烏苷(2,3,5,4-Tetrahydroxystilbene-2-Ο-β-D-glucoside)1H NMR圖譜 |
何首烏苷(2,3,5,4¢-Tetrahydroxystilbene-2-Ο-β-D-glucoside)的1H NMR圖譜
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| 何首烏苷(2,3,5,4-Tetrahydroxystilbene-2-Ο-β-D-glucoside)13C NMR圖譜 |
何首烏苷(2,3,5,4¢-Tetrahydroxystilbene-2-Ο-β-D-glucoside)的13C NMR圖譜
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| 何首烏苷(2,3,5,4-Tetrahydroxystilbene-2-Ο-β-D-glucoside)ESI-MS圖譜 |
何首烏苷(2,3,5,4¢-Tetrahydroxystilbene-2-Ο-β-D-glucoside)的ESI-MS圖譜
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| 何首烏苷(2,3,5,4-Tetrahydroxystilbene-2-Ο-β-D-glucoside)的FTIR圖譜 |
何首烏苷(2,3,5,4¢-Tetrahydroxystilbene-2-Ο-β-D-glucoside)的FTIR圖譜
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| 何首烏苷(2,3,5,4-Tetrahydroxystilbene-2-Ο-β-D-glucoside)的分子式、分子量與熔點 |
分子式：C20H22O9；Mol. Wt.：406.39；熔點：137–139 °C; 棕色固體。 |
| 何首烏苷(2,3,5,4-Tetrahydroxystilbene-2-Ο-β-D-glucoside)氫、碳化學位移 |
何首烏苷(2,3,5,4¢-Tetrahydroxystilbene-2-Ο-β-D-glucoside)之氫、碳化學位移(CD3OD)a
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position
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dH (600 MHz)
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dC (150 MHz)
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1
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-
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133.70
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2
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-
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137.95
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3
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-
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152.09
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4
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6.23 (d, 3.0)
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103.57
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5
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-
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155.99
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6
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6.60 (d, 3.0)
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102.64
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7
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7.69 (d, 16.2)
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121.73
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8
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7.91 (d, 16.2)
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130.03
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1¢
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-
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130.84
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2¢
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7.44 (d, 8.4)
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129.22
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3¢
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8.75 (d, 8.4)
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116.43
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4¢
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-
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158.38
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5¢
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8.75 (d, 8.4)
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116.43
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6¢
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7.44 (d, 8.4)
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129.22
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1²
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4.49 (d, 7.8)
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108.25
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2²
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3.55 (dd, 9.6, 8.4)
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75.49
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3²
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3.42 (t, 9.6)
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77.96
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4²
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3.52 (t, 9.6)
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70.79
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5²
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3.26 (ddd, 9.6, 4.2, 2.4)
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78.24
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6²
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3.80 (dd, 12.0, 2.4)
3.75 (dd, 12.0, 4.2)
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62.09
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a(Multiplicity, J in Hz) in ppm.
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