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CAS No.: | 569-92-6 |
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Name: | 3,5,4''-TRIHYDROXY-7-METHOXYFLAVONE |
Article Data: | 13 |
Molecular Structure: | |
Formula: | C16H12O6 |
Molecular Weight: | 300.268 |
Synonyms: | 3,5,4'-trihydroxy-7-methoxyflavone;Rhamnocitrin;3,4',5-Trihydroxy-7-methoxyflavone;5,4'-dihydroxy-7-methoxyflavonol;kaempferol 7-O-methyl ether;7-Methylkaempferol;3,5-dihydroxy-2-(4-hydroxyphenyl)-7-methoxychromen-4-one; |
Density: | 1.538g/cm3 |
Melting Point: | 225-227oC |
Boiling Point: | 571.9°Cat760mmHg |
Flash Point: | 218.4°C |
PSA: | 100.13000 |
LogP: | 2.58540 |
7-O-methyl-3,4',5-tri-O-acetylkaempferol
rhamnocitrin
Conditions | Yield |
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Stage #1: 7-O-methyl-3,4',5-tri-O-acetylkaempferol With ammonia In methanol at 20℃; for 3h; Stage #2: With hydrogenchloride In methanol at 20℃; for 12h; | 97% |
5,7-dimethoxy-3-hydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one
rhamnocitrin
Conditions | Yield |
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With aniline hydrochloride at 180℃; |
3,5,7-trimethoxy-4'-hydroxyflavonol
rhamnocitrin
Conditions | Yield |
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With aluminium trichloride; nitrobenzene |
dimethyl sulfate
Aromadendrin
rhamnocitrin
Conditions | Yield |
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With potassium carbonate; acetone |
rhamnocitrin-O-α-L-rhamnopyranoside
rhamnocitrin
Conditions | Yield |
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With hydrogenchloride; ethanol for 1h; Heating; | 124 mg |
7-O-Methyldihydrokaempferol, 7-O-methylaromadendrin
rhamnocitrin
Conditions | Yield |
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With air In sulfuric acid for 4h; Heating; | |
With air In sulfuric acid for 4h; Heating; |
rhamnocitrin
Conditions | Yield |
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With sodium hydroxide Leiten von Luft durch die erhaltene Loesung; | |
Erwaermen mit wss. Schwefelsaeure; | |
Erhitzen mit basischem Wismutcarbonat, Essigsaeure und 2-Aethoxy-aethanol; |
2'-hydroxy-2,4',6'-trimethoxyacetophenone
rhamnocitrin
Conditions | Yield |
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Multi-step reaction with 2 steps 1: potassium-<4-benzoyloxy benzoate> / 180 °C / Erwaermen des Reaktionsprodukts mit aethanol. Kalilauge 2: nitrobenzene; aluminium chloride View Scheme |
4-(benzoyloxy)benzoyl chloride
rhamnocitrin
Conditions | Yield |
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Multi-step reaction with 3 steps 1: diethyl ether; pyridine / anschliessend Behandeln mit wss. Salzsaeure 2: potassium-<4-benzoyloxy benzoate> / 180 °C / Erwaermen des Reaktionsprodukts mit aethanol. Kalilauge 3: nitrobenzene; aluminium chloride View Scheme |
4-benzoyloxy-benzoic acid-anhydride
rhamnocitrin
Conditions | Yield |
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Multi-step reaction with 2 steps 1: potassium-<4-benzoyloxy benzoate> / 180 °C / Erwaermen des Reaktionsprodukts mit aethanol. Kalilauge 2: nitrobenzene; aluminium chloride View Scheme |