槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-glucopyranosyl-7-O-β-D-gentiobioside)的分子式與分子量
分子式：C33H40O22；Mol. Wt.：788.66；mp：198–200 °C；黃色固體。
（十五）槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-glucopyranosyl-7-O-β-D-gentiobioside)的結構
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（十六）槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-
glucopyranosyl-7-O-β-D-gentiobioside)的1H NMR圖譜
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（十七）槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-glucopyranosyl-7-O-β-D-gentiobioside)的13C NMR圖譜
.png)
（十八）槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-glucopyranosyl-7-O-β-D-gentiobioside)的ESI-MS圖譜
.png)
（十九）槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-glucopyranosyl-7-O-β-D-gentiobioside)的FTIR圖譜
.png)
（二十）槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-glucopyranosyl-7-O-β-D-gentiobioside)的UV圖譜
.png)
（二十一）槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-glucopyranosyl-7-O-β-D-gentiobioside)的氫、碳化學位移
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表七、槲皮素-3-O-β-D-葡萄糖-7-O-β-D-龍膽雙糖苷(Quercetin-3-O-β-D-
glucopyranosyl-7-O-β-D-gentiobioside)的氫、碳化學位移(DMSO-d6)a
|
position
|
|
dH (600 MHz)
|
|
dC (150 MHz)
|
|
|
2
|
|
-
|
|
156.8
|
|
|
3
|
|
-
|
|
133.6
|
|
|
4
|
|
-
|
|
177.6
|
|
|
4a
|
|
-
|
|
105.7
|
|
|
5
|
|
-
|
|
161.0
|
|
|
6
|
|
6.50 (d, 1.8)
|
|
99.4
|
|
|
7
|
|
-
|
|
162.8
|
|
|
8
|
|
6.77 (d, 7.8)
|
|
94.5
|
|
|
8a
|
|
-
|
|
156.0
|
|
|
1’
|
|
-
|
|
121.1
|
|
|
2’
|
|
7.63 (d, 1.8)
|
|
116.6
|
|
|
3’
|
|
-
|
|
144.8
|
|
|
4’
|
|
-
|
|
148.7
|
|
|
5’
|
|
6.86 (d, 9.0)
|
|
115.3
|
|
|
6’
|
|
7.57 (dd, 9.0, 1.8)
|
|
121.7
|
|
|
3-Glu
|
|
|
|
|
|
|
1”
|
|
5.47 (d, 7.8)
|
|
100.8
|
|
|
2”
|
|
3.19–3.30 (m)
|
|
73.1#
|
|
|
3”
|
|
3.02–3.08 (m)
|
|
77.0#
|
|
|
4”
|
|
3.19–3.30 (m)
|
|
69.3#
|
|
|
5”
|
|
3.66–3.69 (m)
|
|
75.4#
|
|
|
6”
|
|
3.56 (d, 11.4), 3.29–3.32 (m)
|
|
61.0*
|
|
|
7-Glu-Glu
|
|
|
|
|
|
|
1”’
|
|
5.10 (d, 7.8)
|
|
99.7
|
|
|
2”’
|
|
3.19–3.30 (m)
|
|
74.1#
|
|
|
3”’
|
|
3.02–3.08 (m)
|
|
77.6#
|
|
|
4”’
|
|
3.02–3.08 (m)
|
|
69.9#
|
|
|
5”’
|
|
3.19–3.30 (m)
|
|
76.3#
|
|
|
6”’
|
|
3.61 (t, 6.0), 3.96 (d, 9.6)
|
|
68.4
|
|
|
1””
|
|
4.16 (d, 7.8)
|
|
103.5
|
|
|
2””
|
|
2.98 (t, 8.4)
|
|
73.5
|
|
|
3””
|
|
3.11 (t, 8.4)
|
|
76.8
|
|
|
4””
|
|
3.02–3.08 (m)
|
|
70.1#
|
|
|
5””
|
|
3.19–3.30 (m)
|
|
76.5#
|
|
|
6””
|
|
3.39–3.41 (m), 3.64–3.66 (m)
|
|
61.1*
|
|
a(Multiplicity, J in Hz) in ppm. *,#interchangeable
|
