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inquiry6-Hydroxy-7-methoxy-4-phenylcoumarinAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
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Conditions | Yield |
---|---|
Stage #1: C15H18O7; phenylboronic acid With copper (I) acetate In methanol at 28℃; for 6h; Inert atmosphere; Stage #2: With hydrogenchloride In methanol for 6h; Inert atmosphere; Reflux; | 92% |
O-benzyldalbergin
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
With cyclohexene; palladium dihydroxide In ethanol Heating; | 87% |
methoxyhydroquinone
ethyl 3-oxo-3-phenylpropionate
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
With sulfuric acid Pechmann Condensation; | 70% |
1-methyl-4-nitrosobenzene
7-methoxy-4-phenyl-2H-chromen-2-one
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
Behandeln der Reaktionsloesung mit Kaliumperoxodisulfat und anschliessendes Erwaermen mit wss. Salzsaeure; |
Conditions | Yield |
---|---|
With sodium hydroxide; dipotassium peroxodisulfate anschliessend erwaermen mit Natriumsulfit und wss. Salzsaeure; |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; acetone |
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid | |
With hydrogen iodide; acetic anhydride |
C17H18O3
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 61 percent / ZnO / 20 °C 2: 88 percent / tert-BuOK 3: 96 percent / Grubbs' catalyst (II) / CH2Cl2 / 8 h / 20 °C 4: 77 percent / DDQ / dioxane / 1 h / 20 °C 5: 87 percent / cyclohexene / Pd(OH)2/C / ethanol / Heating View Scheme |
C24H22O4
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 88 percent / tert-BuOK 2: 96 percent / Grubbs' catalyst (II) / CH2Cl2 / 8 h / 20 °C 3: 77 percent / DDQ / dioxane / 1 h / 20 °C 4: 87 percent / cyclohexene / Pd(OH)2/C / ethanol / Heating View Scheme |
C25H24O3
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 96 percent / Grubbs' catalyst (II) / CH2Cl2 / 8 h / 20 °C 2: 77 percent / DDQ / dioxane / 1 h / 20 °C 3: 87 percent / cyclohexene / Pd(OH)2/C / ethanol / Heating View Scheme |
C23H20O3
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 77 percent / DDQ / dioxane / 1 h / 20 °C 2: 87 percent / cyclohexene / Pd(OH)2/C / ethanol / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: m-CPBA / CH2Cl2 / 12 h 1.2: 92 percent / NaOH / methanol; H2O / 3 h 2.1: 98 percent / K2CO3 / acetone / 8 h / Heating 3.1: 61 percent / ZnO / 20 °C 4.1: 88 percent / tert-BuOK 5.1: 96 percent / Grubbs' catalyst (II) / CH2Cl2 / 8 h / 20 °C 6.1: 77 percent / DDQ / dioxane / 1 h / 20 °C 7.1: 87 percent / cyclohexene / Pd(OH)2/C / ethanol / Heating View Scheme |
4-benzyloxy-3-methoxyphenol
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 98 percent / K2CO3 / acetone / 8 h / Heating 2: 61 percent / ZnO / 20 °C 3: 88 percent / tert-BuOK 4: 96 percent / Grubbs' catalyst (II) / CH2Cl2 / 8 h / 20 °C 5: 77 percent / DDQ / dioxane / 1 h / 20 °C 6: 87 percent / cyclohexene / Pd(OH)2/C / ethanol / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1.1: 98 percent / K2CO3 / acetone / 5 h / Heating 2.1: m-CPBA / CH2Cl2 / 12 h 2.2: 92 percent / NaOH / methanol; H2O / 3 h 3.1: 98 percent / K2CO3 / acetone / 8 h / Heating 4.1: 61 percent / ZnO / 20 °C 5.1: 88 percent / tert-BuOK 6.1: 96 percent / Grubbs' catalyst (II) / CH2Cl2 / 8 h / 20 °C 7.1: 77 percent / DDQ / dioxane / 1 h / 20 °C 8.1: 87 percent / cyclohexene / Pd(OH)2/C / ethanol / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. NaOH solution; potassium peroxo disulfate / anschliessend erwaermen mit Natriumsulfit und wss. Salzsaeure 2: acetone; sodium hydrogencarbonate View Scheme |
2-hydroxy-4,5-dimethoxybenzophenone
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium acetate / 170 °C 2: aqueous hydriodic acid; acetic acid anhydride View Scheme |
Conditions | Yield |
---|---|
With caesium carbonate In N,N-dimethyl-formamide at 30℃; for 1.5h; | 410 mg |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 40℃; for 4h; | 94% |
6-Hydroxy-7-methoxy-4-phenyl-coumarin
methyl iodide
6,7-dimethoxy-4-phenyl-2H-chromen-2-one
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 40℃; for 4h; | 92% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 40℃; | 89% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 40℃; | 86% |
6-Hydroxy-7-methoxy-4-phenyl-coumarin
acetyl chloride
7-methoxy-2-oxo-4-phenyl-2H-chromen-6-yl acetate
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; for 6h; | 86% |
(E)-2-methylbut-2-enoyl chloride
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; for 6h; | 82% |
6-bromohexanoyl chloride
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; for 8h; | 81% |
2-thienylacetic acid chloride
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; for 7h; | 80% |
6-Hydroxy-7-methoxy-4-phenyl-coumarin
A
5,8-diketo-7-methoxy-4-phenylcoumarin
B
5,6-diketo-7-methoxy-4-phenylcoumarin
Conditions | Yield |
---|---|
With (PhSeO)2O In dichloromethane for 18h; Product distribution; Ambient temperature; oxidation of 4-arylcoumarins with benzeneseleninic anhydride; | A 2% B 76.5% |
With (PhSeO)2O In dichloromethane for 18h; Ambient temperature; | A 2% B 76.5% |
Conditions | Yield |
---|---|
With pyridine; dmap In dichloromethane at 0 - 20℃; for 6h; | 74% |
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 50℃; for 6h; | 68% |
diethyl sulfate
6-Hydroxy-7-methoxy-4-phenyl-coumarin
6-ethoxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
With potassium carbonate; acetone |
6-Hydroxy-7-methoxy-4-phenyl-coumarin
acetic anhydride
7-methoxy-2-oxo-4-phenyl-2H-chromen-6-yl acetate
Conditions | Yield |
---|---|
With sodium acetate |
Conditions | Yield |
---|---|
With pyridine |
6-Hydroxy-7-methoxy-4-phenyl-coumarin
Conditions | Yield |
---|---|
With ethanol; sodium anschliessendes Behandeln mit wss. Salzsaeure; |
6-Hydroxy-7-methoxy-4-phenyl-coumarin
dimethyl sulfate
6,7-dimethoxy-4-phenyl-2H-chromen-2-one
Conditions | Yield |
---|---|
With potassium carbonate |
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