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CAS No.: | 3542-72-1 |
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Name: | norathyriol |
Article Data: | 22 |
Molecular Structure: | |
Formula: | C13H8 O6 |
Molecular Weight: | 260.203 |
Synonyms: | Xanthen-9-one,1,3,6,7-tetrahydroxy- (6CI,7CI,8CI); 1,3,6,7-Tetrahydroxyxanthen-9-one;1,3,6,7-Tetrahydroxyxanthone; Mangiferitin; Norathyriol |
Density: | 1.766g/cm3 |
Melting Point: | 320 °C |
Boiling Point: | 595.1°Cat760mmHg |
Flash Point: | 237.8°C |
PSA: | 111.13000 |
LogP: | 1.76860 |
Conditions | Yield |
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With hydrogen iodide In various solvent(s) at 160℃; for 8h; | 94% |
With pyridine hydrochloride at 180℃; for 4.5h; Inert atmosphere; | 85% |
With hydrogen bromide In water; acetone for 24h; Reflux; Inert atmosphere; | 50% |
With hydrogen iodide | |
With pyridine hydrochloride |
norathyriol
Conditions | Yield |
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Stage #1: C21H18O11 With trifluoroacetic anhydride In dichloromethane at 20 - 23℃; for 0.5h; Inert atmosphere; Stage #2: With boron trifluoride diethyl etherate In dichloromethane at 20 - 23℃; for 2h; Inert atmosphere; Stage #3: With methanol; potassium carbonate at 20 - 23℃; for 12h; Inert atmosphere; | 87% |
Conditions | Yield |
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With zinc(II) chloride; trichlorophosphate at 75℃; for 0.5h; Microwave irradiation; | 74.1% |
Conditions | Yield |
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With hydrogen iodide; phenol for 7h; Heating; | 43% |
With hydrogenchloride; recorcinol In water for 6h; Reagent/catalyst; Reflux; | |
With hydrogenchloride; recorcinol In water at 150℃; for 6h; Reagent/catalyst; Green chemistry; |
Conditions | Yield |
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With culture biomass of Rhodotorula buffonii In aq. phosphate buffer; N,N-dimethyl-formamide for 24h; Time; Microbiological reaction; Heating; | 25.52% |
Stage #1: maclurin With potassium carbonate In water Cooling with ice; Stage #2: With potassium hexacyanoferrate(III) In water at 20℃; for 5h; Inert atmosphere; Cooling with ice; | 25.7% |
Conditions | Yield |
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With hydrogenchloride | |
With sulfuric acid |
isomangiferin
norathyriol
Conditions | Yield |
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With hydrogen iodide; phenol at 150℃; for 5h; labelled comp.; |
1,3,7-trihydroxy-6-methoxyxanthone
norathyriol
Conditions | Yield |
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With hydrogen iodide for 2.5h; Heating; labelled comp.; Yield given; |
2-D-glucopyranosyl-1,3,6,7-tetrahydroxy-9H-xanthen-9-one
norathyriol
Conditions | Yield |
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With hydrogen iodide; phenol at 150℃; for 5h; labelled comp.; |
2,4,5-trimethoxybenzoyl chloride
norathyriol
Conditions | Yield |
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Multi-step reaction with 2 steps 1: 1.) AlCl3, 2.) pyridine, 10percent aq. tetramethylammonium hydroxide / 1.) diethyl ether, RT, 8 h, 2.) reflux, 36 h 2: 94 percent / HI / various solvent(s) / 8 h / 160 °C View Scheme | |
Multi-step reaction with 3 steps 1: aluminum (III) chloride / diethyl ether / 48 h / 20 °C 2: pyridine; tetra(n-butyl)ammonium hydroxide / water / 4 h / Reflux 3: pyridine hydrochloride View Scheme |