NO. 548-04-9 CAS Molecular formula C30H16O8 Molecular weight 504.45 Hypericin by whole plant extraction and forsythia, the main ingredients of Hypericum perforatum extract, hypericin, fragrance, taste bitter, soluble in water. With anti de
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Density: 1.87 ± 0.1 g/cm3 (Predicted) Melting point: 225-226 ° C Boiling point: 872.6 ± 65.0 ° C (Predicted) Specific rotation: -83 ° (c=0.2, pyridine) Flash point: 307.473 ° C Steam pressure: 0mmHg at 25 ° C Solubil
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3-O-(2'',3'',4'',6''-tetra-O-acetyl-β-D-galactopyranosyl)-3',4',5,7-tetrahydroxyflavonol
Hyperoside
Conditions | Yield |
---|---|
With sodium methylate In methanol at 20℃; for 0.5h; | 87% |
With sodium methylate In methanol at 20℃; for 1h; | 81% |
With methanol; sodium methylate In ethyl acetate at 20℃; for 0.5h; | 75% |
With methanol; sodium methylate | |
Stage #1: 3-O-(2'',3'',4'',6''-tetra-O-acetyl-β-D-galactopyranosyl)-3',4',5,7-tetrahydroxyflavonol With sodium methylate In methanol at 20℃; for 1.5h; Stage #2: In methanol |
quercetin-3-O-(2”-galloyl)-β-D-galactopyranoside
A
Hyperoside
B
3,4,5-trihydroxybenzoic acid
Conditions | Yield |
---|---|
With tannase In water at 37℃; for 2h; |
Hyperoside
Conditions | Yield |
---|---|
With formic acid; cyclohexanol for 20h; Heating; |
quercetin-3-O-(6-O-galloyl)-β-gallcopyranoside
Hyperoside
Conditions | Yield |
---|---|
With sodium carbonate In methanol; dimethyl sulfoxide at 40℃; | 28.5 mg |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 37 percent / 0.17 h / 180 °C 2: 31 percent / K2CO3 / dimethylformamide / 10 h / 20 °C 3: 79 percent / hydrogen / Pd/C / ethanol / 24 h / 25 °C 4: 81 percent / NaOMe / methanol / 1 h / 20 °C View Scheme | |
Multi-step reaction with 4 steps 1: 0.08 h / 180 °C 2: K2CO3 / dimethylformamide 3: H2 / Pd/C 4: MeONa; MeOH View Scheme |
2-(2,2-diphenylbenzo[1,3]dioxol-5-yl)-3,5,7-trihydroxychromen-4-one
Hyperoside
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 31 percent / K2CO3 / dimethylformamide / 10 h / 20 °C 2: 79 percent / hydrogen / Pd/C / ethanol / 24 h / 25 °C 3: 81 percent / NaOMe / methanol / 1 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: K2CO3 / dimethylformamide 2: H2 / Pd/C 3: MeONa; MeOH View Scheme |
2-(2,2-diphenylbenzo[d][1,3]dioxol-5-yl)-5,7-dihydroxy-3-(2,3,4,6-tetraacetyl-β-D-galactopyranosyl)-4H-chromen-4-one
Hyperoside
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 79 percent / hydrogen / Pd/C / ethanol / 24 h / 25 °C 2: 81 percent / NaOMe / methanol / 1 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: H2 / Pd/C 2: MeONa; MeOH View Scheme |
Conditions | Yield |
---|---|
With sulfuric acid at 100℃; for 1h; | A n/a B 68% |
With grape snail enzymes | |
With rhamnodiastase |
Conditions | Yield |
---|---|
With water Acidic conditions; | A n/a B 64% |
Acidic conditions; | |
Acidic aq. solution; |
Conditions | Yield |
---|---|
Acidic conditions; | 63.3% |
Acid hydrolysis; | |
With hydrogenchloride In water for 0.5h; Reflux; |
Hyperoside
methanol
methyl α-L-rhamnosyl-(1->4)-O-β-D-glucopyranosyl-(1->6)-(α and β)-D-glucopyranoside
Conditions | Yield |
---|---|
With 2,6-dimethylpyridine; lithium iodide In methanol; ethanol for 17h; Heating; |
Conditions | Yield |
---|---|
With pyridine at 20℃; | |
With pyridine at 20℃; |
Hyperoside
D-Galactose
Conditions | Yield |
---|---|
Acid hydrolysis; | |
With hydrogenchloride; water at 90℃; for 1h; |
Conditions | Yield |
---|---|
Stage #1: Hyperoside With sulfuric acid; water In methanol at 60℃; Stage #2: With sodium hydroxide In methanol |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol at 100℃; for 2h; |
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