pentafluorobenzoylchloride
ethyl potassium malonate
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
With triethylamine; magnesium chloride | 97% |
With triethylamine; magnesium chloride 1.) MeCN, 20 to 25 deg C, 2.5 h, 2.) 20 to 25 deg C, 12 h; Yield given. Multistep reaction; | |
In acetonitrile at -5℃; Inert atmosphere; |
Conditions | Yield |
---|---|
With hydrogenchloride; n-butyllithium In tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide | |
Multi-step reaction with 2 steps 1.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 3 h / 0 - 30 °C 2.1: n-butyllithium / tetrahydrofuran / 1 h / -10 - 20 °C / Inert atmosphere 2.2: 1 h / 20 °C / Inert atmosphere View Scheme |
hydrogen ethyl malonate
pentafluorobenzoylchloride
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
Stage #1: hydrogen ethyl malonate With n-butyllithium In tetrahydrofuran; hexane at 20℃; for 1h; Inert atmosphere; Stage #2: pentafluorobenzoylchloride In tetrahydrofuran; hexane at -78℃; for 2h; Inert atmosphere; | |
Stage #1: hydrogen ethyl malonate With n-butyllithium In tetrahydrofuran; hexanes at -78 - -20℃; Stage #2: pentafluorobenzoylchloride In tetrahydrofuran; hehanes at -78 - 20℃; Stage #3: With hydrogenchloride In tetrahydrofuran; hexanes; water for 1h; | |
Stage #1: hydrogen ethyl malonate With n-butyllithium In tetrahydrofuran at -10 - 20℃; for 1h; Inert atmosphere; Stage #2: pentafluorobenzoylchloride In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; | 10 g |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
orthoformic acid triethyl ester
(Z)-ethyl 3-ethoxy-2-(2,3,4,5,6-pentafluorobenzoyl)acrylate
Conditions | Yield |
---|---|
With acetic anhydride at 120 - 130℃; for 1.5 - 4.5h; Product distribution / selectivity; Heating / reflux; | 100% |
With acetic anhydride at 140℃; for 5h; Inert atmosphere; |
Conditions | Yield |
---|---|
2-hydroxypyridin In toluene for 6h; Heating; | 83% |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
orthoformic acid triethyl ester
ethyl 2-ethoxymethylene-3-oxo-3-pentafluorophenylpropionate
Conditions | Yield |
---|---|
for 5h; Heating; | 81% |
With acetic anhydride | |
at 145℃; for 2.5h; Inert atmosphere; |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
acetic anhydride
orthoformic acid triethyl ester
Cyclopropylamine
Conditions | Yield |
---|---|
In ethanol; cyclohexane; Petroleum ether | 72% |
Conditions | Yield |
---|---|
With potassium fluoride In ethanol for 8h; Heating; | 38% |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
for 0.833333h; Heating; | 37% |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
3-pentafluorophenyl-2H-isoxazol-5-one
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In ethanol |
Conditions | Yield |
---|---|
With morpholinium acetate; sodium sulfate In 2,2,2-trifluoroethanol at 70℃; for 72h; | A 325 mg B 325 mg |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
5,6,7,8-tetrafluorochromone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating 3: 73 percent / AcOH, conc. HCl / 6 h / Heating View Scheme | |
Multi-step reaction with 4 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating 3: 69 percent / AcOH, conc. HCl / 20 h / 40 - 50 °C 4: 79 percent / 190 - 200 °C View Scheme | |
Multi-step reaction with 3 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating 3: 1.) conc. HCl / 1.) CH3COOH, reflux, 6 h, 2.) 200 deg C View Scheme | |
Multi-step reaction with 4 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating 3: 69 percent / HCl / acetic acid / 20 h / 40 - 45 °C 4: 79 percent / 190 - 200 °C View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
3-Carboxy-5,6,7,8-tetrafluorochromone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating 3: 69 percent / AcOH, conc. HCl / 20 h / 40 - 50 °C View Scheme | |
Multi-step reaction with 3 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating 3: 69 percent / HCl / acetic acid / 20 h / 40 - 45 °C View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
3-ethoxycarbonyl-5,6,7,8-tetrafluorochromone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 81 percent / 5 h / Heating 2: 62 percent / H2O / 0.33 h / Heating View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 37 percent / 0.83 h / Heating 2: 43 percent / conc. HCl / acetic acid / 20 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 37 percent / 0.83 h / Heating 2: 43 percent / CH3COOH, conc. HCl / 20 h / Heating View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
With hydrogen; [Ru(R)-SYNPHOSBr2] In ethanol at 80℃; under 7500.75 Torr; for 3h; Conversion of starting material; | n/a |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
3-oxetanamine
orthoformic acid triethyl ester
ethyl 1-(oxetan-3-yl)-5,6,7,8-tetrafluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate
Conditions | Yield |
---|---|
With acetic anhydride; potassium carbonate In N-methyl-acetamide; hexane; chloroform; benzene |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
3-acetylaminopyrrolidine
ethyl 4-(3-acetamidopyrrolidin-1-yl)-2,3,5,6-tetrafluorobenzoylacetate
Conditions | Yield |
---|---|
With triethylamine In pyridine; chloroform |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
With hydrogenchloride; phenylhydrazine In methanol | 1.76 g (54%) |
piperidine
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
3,5-Difluoro-2,4-dihydroxybenzaldehyde
Conditions | Yield |
---|---|
In methanol; chloroform |
Conditions | Yield |
---|---|
In methane sulfonic acid; water |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
orthoformic acid triethyl ester
Cyclopropylamine
1-cyclopropyl-5,6,7,8-tetrafluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid,ethyl ester
Conditions | Yield |
---|---|
With acetic anhydride In N-methyl-acetamide; ethanol |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
orthoformic acid triethyl ester
Cyclopropylamine
Conditions | Yield |
---|---|
With acetic anhydride In isopropyl alcohol; pentane |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Phenyl N-cyclopropyliminochlorothioformate
ethyl 1-cyclopropyl-2-phenylthio-5,6,7,8-tetrafluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate
Conditions | Yield |
---|---|
Stage #1: ethyl 2,3,4,5,6-pentafluorobenzoylacetate With sodium hydride In toluene for 0.5h; Stage #2: Phenyl N-cyclopropyliminochlorothioformate In toluene at 50℃; for 24h; Heating / reflux; |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic anhydride 2: dichloromethane / 0 °C View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic anhydride 2: dichloromethane / 0 °C View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
C17H18F5NO4
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic anhydride 2: dichloromethane / 0 °C View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic anhydride 2: dichloromethane / 0 °C View Scheme |
ethyl 2,3,4,5,6-pentafluorobenzoylacetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic anhydride 2: dichloromethane / 0 °C View Scheme |
This chemical is called Ethyl (pentafluorobenzoyl)acetate, and its CAS registry number is 3516-87-8. With the molecular formula of C11H7F5O3, its product categories are Fluorobenzene; Benzenes; C10 to C11; Carbonyl Compounds; Esters. In addition, this chemical should be sealed in the cool and dry place, away from oxides.
Other characteristics of the Ethyl (pentafluorobenzoyl)acetate can be summarised as followings: (1)ACD/LogP: 1.31; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.31; (4)ACD/LogD (pH 7.4): 1.31; (5)ACD/BCF (pH 5.5): 5.87; (6)ACD/BCF (pH 7.4): 5.87; (7)ACD/KOC (pH 5.5): 123.54; (8)ACD/KOC (pH 7.4): 123.48; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 5; (12)Polar Surface Area: 43.37 Å2; (13)Index of Refraction: 1.445; (14)Molar Refractivity: 51.92 cm3; (15)Molar Volume: 195 cm3; (16)Polarizability: 20.58×10-24cm3; (17)Surface Tension: 34.3 dyne/cm; (18)Density: 1.446 g/cm3; (19)Flash Point: 118.1 °C; (20)Enthalpy of Vaporization: 51.64 kJ/mol; (21)Boiling Point: 277.8 °C at 760 mmHg; (22)Vapour Pressure: 0.00442 mmHg at 25°C.
Uses of this chemical: The 6,7,8,9-tetrafluoro-3-(2,3,4,5,6-pentafluoro-phenyl)-pyrano[4,3-b]chromene-1,10-dione could be obtained by the reactant of Ethyl (pentafluorobenzoyl)acetate. This reaction needs to be taken for 50 minutes with the heating . The yield is 37%.
When you are using this chemical, please be cautious about it as the following: This chemical is irritating / harmful to eyes, respiratory system and skin. You should wear suitable protective clothing if you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
1.SMILES: Fc1c(c(F)c(F)c(F)c1F)C(=O)CC(=O)OCC
2.InChI: InChI=1/C11H7F5O3/c1-2-19-5(18)3-4(17)6-7(12)9(14)11(16)10(15)8(6)13/h2-3H2,1H3
3.InChIKey: SFYYMUUQGSQVFT-UHFFFAOYAF
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