Conditions | Yield |
---|---|
With Eosin Y Irradiation; | 60% |
With Eosin Y; oxygen Irradiation; | 53% |
With oxygen in Gegenwart von Eosin und Vanadium(V)-oxid unter Bestrahlung mit Gluehlampenlicht; | |
With dihydrogen peroxide; vanadia 1) H2O, 50-55 deg C, 3 h, 2) benzene, reflux; Yield given. Multistep reaction; |
2,3,7-trioxa-bicyclo-<2.2.1>-hept-5-ene
ethanol
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
3,4-epoxy-butyrolactone
Conditions | Yield |
---|---|
In chloroform -20 deg C, then 20 deg C, 1 h; | A n/a B 15% C n/a |
furan
ethanol
A
2-ethoxyfuran
B
5-hydroxy-2-(5H)-furanone
C
5-ethoxy-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A n/a B 40 % Chromat. C 12 % Chromat. D 12% |
furan
ethanol
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
C
4-oxo-but-2-enoic acid ethyl ester
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C n/a D 12% |
furan
ethanol
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C n/a D 12% |
furan
ethanol
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C n/a D 12% |
furan
ethanol
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C 12% D 5% |
furan
ethanol
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
D
succinic acid diethyl ester
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C 12% D 1% |
furan
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
C
trans-β-formylacrylic acid
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; ethanol; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C n/a D 12% |
furan
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
C
2-buten-4-olide
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; ethanol; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C 2% D 12% |
furan
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
C
cis-2,5-dihydroxy-2,5-dihydrofuran
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; ethanol; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 12 % Chromat. C n/a D 12% |
furan
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
C
maleic acid
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; ethanol; dihydrogen peroxide at 20℃; for 6h; Further byproducts given. Title compound not separated from byproducts; | A 40 % Chromat. B 12 % Chromat. C 2% D 12% |
furan
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
C
(2E)-but-2-enedioic acid
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; ethanol; dihydrogen peroxide at 20℃; for 6h; Further byproducts given. Title compound not separated from byproducts; | A 40 % Chromat. B 12 % Chromat. C n/a D 12% |
Conditions | Yield |
---|---|
With oxovanadium(IV) sulfate; ethanol; dihydrogen peroxide at 20℃; for 6h; Further byproducts given; | A 40 % Chromat. B 10% C 12% D 5% |
Conditions | Yield |
---|---|
With oxygen in Gegenwart von Eosin; |
furan
ethanol
A
5-hydroxy-2-(5H)-furanone
B
5-ethoxy-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With oxygen at 20℃; |
Conditions | Yield |
---|---|
With oxygen In ethanol at 20℃; Irradiation; |
Conditions | Yield |
---|---|
In chloroform at 70℃; Yield given; |
(furan-2-yloxy)-trimethylsilane
ethanol
5-ethoxy-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With iodosylbenzene; boron trifluoride diethyl etherate 1.) ethanol, 0 deg C, CH2Cl2; 2.) r.t.,overnight; Yield given. Multistep reaction; |
N-(furan-2-ylmethyl)acetamide
ethanol
A
acetamide
B
5-ethoxy-2,5-dihydrofuran-2-one
C
N,N-methylenediacetamide
Conditions | Yield |
---|---|
photosensibilisierte Reaktion; |
Conditions | Yield |
---|---|
photosensibilisierte Reaktion; |
furfural
ethanol
A
5-ethoxy-2,5-dihydrofuran-2-one
B
2-buten-4-olide
C
diethyl Fumarate
D
Diethyl maleate
Conditions | Yield |
---|---|
Stage #1: furfural With vanadyl sulfate trihydrate; ethanol; dihydrogen peroxide at 60℃; Stage #2: ethanol With benzenesulfonic acid In chloroform Heating; |
Conditions | Yield |
---|---|
With OPR3; NADH In aq. buffer at 30℃; pH=7.5; Enzymatic reaction; | A n/a B n/a C n/a |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 85% |
5-ethoxy-2,5-dihydrofuran-2-one
benzamide
5-Benzoylamino-Δ3-oxolin-2-on
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 85% |
5-ethoxy-2,5-dihydrofuran-2-one
4-bromo-5-ethoxyfuran-2(5H)-one
Conditions | Yield |
---|---|
With bromine In tetrachloromethane at 0 - 20℃; for 3.5h; | 82% |
5-ethoxy-2,5-dihydrofuran-2-one
ruthenium
4-bromo-5-ethoxyfuran-2(5H)-one
Conditions | Yield |
---|---|
With bromine In tetrachloromethane | 82% |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 80% |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 80% |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 80% |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 80% |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 75% |
5-ethoxy-2,5-dihydrofuran-2-one
3,4-dinitro-benzoic acid amide
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 75% |
5-ethoxy-2,5-dihydrofuran-2-one
trimethylsilylazide
1,8-diazabicyclo[5.4.0]undec-7-ene
Conditions | Yield |
---|---|
With acetic acid In dichloromethane | 73% |
Conditions | Yield |
---|---|
With bis(p-methoxyphenyl)methanone UV-irradiation; | 73% |
Conditions | Yield |
---|---|
With dibenzoyl peroxide at 80℃; for 4.5h; Polymerization; | 68% |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 65% |
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; | 65% |
styrene
5-ethoxy-2,5-dihydrofuran-2-one
Conditions | Yield |
---|---|
With dibenzoyl peroxide at 80℃; for 9h; Polymerization; | 64% |
5-ethoxy-2,5-dihydrofuran-2-one
benzohydroximoyl chloride
3-phenyl-4-oxo-6-ethoxy-3a,4,6,6a-tetrahydrofuro<3,4-d>-isoxazole
Conditions | Yield |
---|---|
With triethylamine In diethyl ether Ambient temperature; overnight; | 61% |
Conditions | Yield |
---|---|
With dibenzoyl peroxide at 80℃; for 4.5h; Polymerization; | 61% |
Conditions | Yield |
---|---|
With bis(p-methoxyphenyl)methanone UV-irradiation; | 60% |
With bis(p-methoxyphenyl)methanone for 0.166667h; UV-irradiation; Continuous-flow microreactor; Inert atmosphere; diastereoselective reaction; | 100 %Spectr. |
5-ethoxy-2,5-dihydrofuran-2-one
2-benzyl-buta-2,3-dienoic acid ethyl ester
Conditions | Yield |
---|---|
With sodium benzenesulfonate In N,N-dimethyl-formamide at 20℃; for 24h; | 60% |
5-ethoxy-2,5-dihydrofuran-2-one
4-chlorobenzohydroximoyl chloride
(3aS,6R,6aR)-3-(4-Chloro-phenyl)-6-ethoxy-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one
Conditions | Yield |
---|---|
With triethylamine In diethyl ether Ambient temperature; overnight; | 57% |
5-ethoxy-2,5-dihydrofuran-2-one
phenyllithium
A
2,5-diphenylfuran
B
hydroxy-2 diphenyl-5,5 dihydro-2,5 furanne
Conditions | Yield |
---|---|
With water 1) THF, -70 deg C, 2) -20 deg C; Yield given. Multistep reaction; | A n/a B 57% |
With water 1) THF, -70 deg C, 2) -20 deg C; Yield given. Multistep reaction; | A 12% B n/a |
Conditions | Yield |
---|---|
With bis(p-methoxyphenyl)methanone UV-irradiation; | 57% |
5-ethoxy-2,5-dihydrofuran-2-one
n-butyllithium
A
2,5-di(n-butyl)furan
B
hydroxy-2 di-n-butyl-5,5 dihydro-2,5 furanne
Conditions | Yield |
---|---|
With water 1) THF, -70 deg C, 2) -20 deg C; Yield given. Multistep reaction; | A n/a B 55% |
With water 1) THF, -70 deg C, 2) -20 deg C; Yield given. Multistep reaction; | A 5% B n/a |
acetamide
5-ethoxy-2,5-dihydrofuran-2-one
4-acetamido-4-hydroxy-2-butenoic acid γ-lactone
Conditions | Yield |
---|---|
With hydrogenchloride at 80℃; for 0.0833333h; Product distribution; var. acylamides; | 45% |
With hydrogenchloride at 80℃; for 0.0833333h; | 45% |
5-ethoxy-2,5-dihydrofuran-2-one
N-hydroxy-4-methylbenzenecarboximidoyl chloride
(3aS,6R,6aR)-6-Ethoxy-3-p-tolyl-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one
Conditions | Yield |
---|---|
With triethylamine In diethyl ether Ambient temperature; overnight; | 40% |
5-ethoxy-2,5-dihydrofuran-2-one
3-chloro-N-hydroxybenzimidoyl chloride
(3aR,6S,6aS)-3-(3-Chloro-phenyl)-6-ethoxy-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one
Conditions | Yield |
---|---|
With triethylamine In diethyl ether Ambient temperature; overnight; | 40% |
5-ethoxy-2,5-dihydrofuran-2-one
anthracene-9-carbonitrile N-oxide
(3aS,6R,6aR)-3-Anthracen-9-yl-6-ethoxy-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one
Conditions | Yield |
---|---|
In benzene at 80℃; for 4h; | 40% |
5-ethoxy-2,5-dihydrofuran-2-one
N-hydroxyfuran-2-carbimidoyl chloride
(3aR,6S,6aS)-6-Ethoxy-3-furan-2-yl-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one
Conditions | Yield |
---|---|
With triethylamine In diethyl ether Ambient temperature; overnight; | 40% |
The 2(5H)-Furanone,5-ethoxy- is an organic compound with the formula C6H8O3. The systematic name of this chemical is 5-Ethoxyfuran-2(5H)-one. With the CAS registry number 2833-30-9, it is also named as 5-Ethoxy-5H-furan-2-one. Besides, its molecular weight is 128.13.
Physical properties about 2(5H)-Furanone,5-ethoxy- are: (1)ACD/LogP: -0.99; (2)ACD/LogD (pH 5.5): -0.98; (3)ACD/LogD (pH 7.4): -0.98; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 6.94; (7)ACD/KOC (pH 7.4): 6.94; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 2; (10)Polar Surface Area: 35.53 Å2; (11)Index of Refraction: 1.465; (12)Molar Refractivity: 31.26 cm3; (13)Molar Volume: 112.9 cm3; (14)Polarizability: 12.39×10-24 cm3; (15)Surface Tension: 33.7 dyne/cm; (16)Density: 1.13 g/cm3; (17)Flash Point: 104.3 °C; (18)Enthalpy of Vaporization: 50.06 kJ/mol; (19)Boiling Point: 262.8 °C at 760 mmHg; (20)Vapour Pressure: 0.0107 mmHg at 25 °C.
You can still convert the following datas into molecular structure:
(1)InChI: InChI=1/C6H8O3/c1-2-8-6-4-3-5(7)9-6/h3-4,6H,2H2,1H3
(2)InChIKey: NOZLVOMKFMVAKH-UHFFFAOYAG
(3)Std. InChI: InChI=1S/C6H8O3/c1-2-8-6-4-3-5(7)9-6/h3-4,6H,2H2,1H3
(4)Std. InChIKey: NOZLVOMKFMVAKH-UHFFFAOYSA-N
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