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CAS No.: | 525-82-6 |
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Name: | FLAVONE |
Article Data: | 312 |
Molecular Structure: | |
Formula: | C15H10O2 |
Molecular Weight: | 222.243 |
Synonyms: | 2-Phenyl-4H-1-benzopyran-4-one;2-Phenyl-4H-chromen-4-one;2-Phenyl-g-benzopyrone;Chromocor;NSC 19028; |
EINECS: | 208-383-8 |
Density: | 1.24 g/cm3 |
Melting Point: | 94-97 °C(lit.) |
Boiling Point: | 367.013 °C at 760 mmHg |
Flash Point: | 171.058 °C |
Solubility: | Soluble in acetone (25 mg/ml), methanol, alcohol, and chloroform. Insoluble in water. |
Appearance: | white crystalline powder |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 26-36 |
PSA: | 30.21000 |
LogP: | 3.46000 |
Conditions | Yield |
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copper dichloride In ethanol at 80℃; for 0.0833333h; microwave irradiation; | 98% |
With potassium hydrogensulfate at 120℃; for 2h; Temperature; Green chemistry; | 98% |
With gallium(III) triflate In nitromethane at 80℃; for 2h; | 97% |
Conditions | Yield |
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With C22H28Br2N4Pd; diethylamine In N,N-dimethyl-formamide at 80℃; under 3000.3 Torr; for 24h; Autoclave; | 98% |
With diethylamine In N,N-dimethyl-formamide at 100℃; under 10343.2 Torr; for 24h; Sonogashira Cross-Coupling; Autoclave; | 96% |
With (trihexyl)(tetradecyl)phosphonium bromide; triethylamine; palladium dichloride at 110℃; under 760.051 Torr; for 24h; Autoclave; | 95% |
Conditions | Yield |
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With 1-butyl-3-methylimidazolium molybdate In hexan-1-ol at 70℃; for 3h; | 98% |
Conditions | Yield |
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With pyrrolidone hydrotribromide In dimethyl sulfoxide at 80℃; for 2h; | 97% |
With thallium(III) acetate In acetic acid for 3h; Heating; | 96% |
With thallium(III) acetate In acetic acid for 3h; Heating; | 96% |
Conditions | Yield |
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With indium(III) bromide; silica gel at 130 - 140℃; for 0.75h; | 96% |
With iodine In dimethyl sulfoxide for 1h; Reflux; | 85% |
With iodine In 2,2'-[1,2-ethanediylbis(oxy)]bisethanol at 150℃; for 4h; Product distribution; Further Variations:; Solvents; Temperatures; reaction times; | 83% |
1-(2-hydroxyphenyl)-3-phenylprop-2-yn-1-one
FLAVONE
Conditions | Yield |
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With dmap In N,N-dimethyl-formamide at 0 - 30℃; for 1.5h; Morita-Baylis-Hillman reaction; Inert atmosphere; regioselective reaction; | 96% |
With thallium(III) toluene-p-sulfonate In methanol at 65℃; for 6h; Reagent/catalyst; Solvent; Time; regioselective reaction; | 91% |
With lithium tert-butoxide In N,N-dimethyl-formamide at 20℃; for 0.166667h; Reagent/catalyst; Time; Temperature; | 90% |
1-(2-hydroxyphenyl)-2-(triphenylphosphoranylidene)ethanone
benzoyl chloride
FLAVONE
Conditions | Yield |
---|---|
With pyridine In toluene for 5h; Heating; | 96% |
Conditions | Yield |
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With Iodine monochloride; dimethyl sulfoxide at 50℃; for 0.5h; Temperature; Reagent/catalyst; Sonication; Green chemistry; | 96% |
With cerium (IV) sulfate tetrahydrate; silica gel In neat (no solvent) at 100℃; for 4h; Concentration; Time; Green chemistry; | 94% |
With copper(l) iodide; oxygen at 50℃; under 760.051 Torr; for 48h; oxa-Michael-oxidation; Ionic liquid; | 92% |
1-[2-(tert-butyldimethylsilyloxy)phenyl]-3-phenylprop-2-yn-1-one
FLAVONE
Conditions | Yield |
---|---|
With diethylamine In ethanol for 24h; Heating; | 96% |
2'-allyloxychalcone
FLAVONE
Conditions | Yield |
---|---|
With iodine In dimethyl sulfoxide at 120℃; for 0.5h; regioselective reaction; | 96% |
Multi-step reaction with 2 steps 1: acetic acid / 24 h / 20 °C 2: iodine / dimethyl sulfoxide / 0.5 h / 130 °C View Scheme |
Synonyms :2-Phenyl-4H-1-benzopyran-4-one; 2-Phenylchromone
MF: C15H10O2
MW: 222.24
EINECS: 208-383-8
2-PHENYLCHROMONE(525-82-6),its melting point is about 94-97 °C(lit.),boiling point is 185 °C / 1mmHg .
Following is the molecular structure of 2-PHENYLCHROMONE(525-82-6):
1. | dni-hmn:fbr 100 mg/L | BCPCA6 Biochemical Pharmacology. 33 (1984),3823. | ||
2. | orl-mus LD50:2500 mg/kg | JHTCAO Journal of Heterocyclic Chemistry. 21 (1984),193. | ||
3. | ipr-mus LD50:380 mg/kg | FRPSAX Farmaco, Edizione Scientifica. 13 (1958),561. | ||
4. | scu-mus LD >400 mg/kg | ANTCAO Antibiotics and Chemotherapy. 3 (1953),603. |
Poison by intraperitoneal route. Moderately toxic by ingestion and subcutaneous routes. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Other safty informations about 2-PHENYLCHROMONE(525-82-6):
Hazard Codes: Xi (Irritant)
Risk Statements
R 36/37/38 (Irritating to eyes, respiratory system and skin )
Safety Statements :
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36 :Wear suitable protective clothing
WGK Germany : 2