Conditions | Yield |
---|---|
With ammonium bromide at -22℃; for 7.5h; Electrochemical reaction; | 85% |
With triethylmethylammonium chloride; sodium carbonate at -5 - 5℃; for 10h; | 85.3% |
With tris(2,2'-bipyridyl)ruthenium dichloride at 20℃; under 760.051 Torr; Reagent/catalyst; Irradiation; | 82% |
methanol
1,4-butenediol
2,5-dihydro-2,5-dimethoxyfuran
Conditions | Yield |
---|---|
Stage #1: methanol; 1,4-butenediol With tributylmethylammonium methanesulfonate; phosphoric acid at 22℃; for 19h; Electrolysis; Stage #2: With sodium methylate In methanol pH=8 - 9; | 46% |
furan
methanol
potassium acetate
A
2,5-dihydro-2,5-dimethoxyfuran
B
2-Acetoxy-5-methoxy-2,5-dihydro-furan
Conditions | Yield |
---|---|
With bromine |
furan
methanol
bromine
potassium acetate
A
2,5-dihydro-2,5-dimethoxyfuran
B
2-Acetoxy-5-methoxy-2,5-dihydro-furan
furan
methanol
A
2,5-dihydro-2,5-dimethoxyfuran
B
1,1,4,4-tetramethoxy-2-butene
Conditions | Yield |
---|---|
Electrolysis; |
2,5-dihydro-2,5-dimethoxyfuran
3-(2-hydroxyphenyl)-3-oxopropanoate ethyl ester
Conditions | Yield |
---|---|
With K10 Montmorillonite Clay In neat (no solvent) at 80℃; for 2h; Catalytic behavior; Solvent; Temperature; Green chemistry; | 96% |
2,5-dihydro-2,5-dimethoxyfuran
Conditions | Yield |
---|---|
With potassium permanganate In potassium hydroxide for 2h; | 95% |
Conditions | Yield |
---|---|
With potassium permanganate In potassium hydroxide for 2.5h; | 95% |
2,5-dihydro-2,5-dimethoxyfuran
ethyl 4-methoxybenzoylacetate
2-furan-2-yl-3-(4-methoxy-phenyl)-3-oxo-propionic acid ethyl ester
Conditions | Yield |
---|---|
With zinc(II) chloride at 80℃; | 95% |
2,5-dihydro-2,5-dimethoxyfuran
methyl 6,7-dimethoxy-1-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate
carbomethoxy-2 (furyl-2)-2 dimethoxy-6,7 dihydro-3,4 naphtalenone-1
Conditions | Yield |
---|---|
With zinc(II) chloride In tetrahydrofuran; acetic acid for 1h; Heating; | 94% |
With acetic acid; zinc(II) chloride In tetrahydrofuran Heating; | 90% |
2,5-dihydro-2,5-dimethoxyfuran
diethyl malonate
α-(furan-2-yl) diethyl malonate
Conditions | Yield |
---|---|
Zinc chloride In water; acetic acid | 94% |
methanol
2,5-dihydro-2,5-dimethoxyfuran
methyl (S)-allylglycinate
Conditions | Yield |
---|---|
Stage #1: 2,5-dihydro-2,5-dimethoxyfuran; methyl (S)-allylglycinate With hydrogenchloride Stage #2: methanol With sulfuric acid for 3h; Heating; Further stages.; | 93% |
2,5-dihydro-2,5-dimethoxyfuran
Conditions | Yield |
---|---|
Stage #1: 2,5-dihydro-2,5-dimethoxyfuran; ethyl 3-(2-hydroxy-4,5-dimethoxyphenyl)-3-oxopropanoate at 80℃; for 1h; Stage #2: With sodium hydroxide In ethanol Temperature; Reflux; | 93% |
2,5-dihydro-2,5-dimethoxyfuran
2-(3,4-dimethoxyphenyl)-ethylamine
(+/-)-8,9-dimethoxy-1,5,6,10b-tetrahydro-2H-pyrrolo[2,1-a]isoquinolin-3-one
Conditions | Yield |
---|---|
With 1,2,3-Benzotriazole In acetic acid for 24h; Heating; | 92% |
With acetic acid Heating; | 53% |
Conditions | Yield |
---|---|
With 3-(1,1-dioxido-4-(3-(3-(3-sulfopropyl)-1H-imidazol-3-ium-1-yl)propyl)thiomorpholino-4-ium)propane-1-sulfonate trifluoromethanesulfonate In acetic acid butyl ester at 80℃; for 2h; | 92% |
methanol
2,5-dihydro-2,5-dimethoxyfuran
potassium methanolate
trimethyl orthoformate
A
Methyl formate
B
1,1,4,4-tetramethoxy-2-butene
Conditions | Yield |
---|---|
Stage #1: methanol; 2,5-dihydro-2,5-dimethoxyfuran; trimethyl orthoformate; toluene-4-sulfonic acid under 760.051 Torr; Stage #2: potassium methanolate With Pluriol E400 at 100 - 130℃; Product distribution / selectivity; | A n/a B 91.3% |
2,5-dihydro-2,5-dimethoxyfuran
Conditions | Yield |
---|---|
Stage #1: 2,5-dihydro-2,5-dimethoxyfuran; ethyl 3-(2-hydroxy-4,6-dimethoxyphenyl)-3-oxopropanoate at 80℃; for 1h; Stage #2: With sodium hydroxide In ethanol Temperature; Reflux; | 91% |
Conditions | Yield |
---|---|
With 3-(1,1-dioxido-4-(3-(3-(3-sulfopropyl)-1H-imidazol-3-ium-1-yl)propyl)thiomorpholino-4-ium)propane-1-sulfonate trifluoromethanesulfonate In acetic acid butyl ester at 80℃; for 2h; Catalytic behavior; Reagent/catalyst; Solvent; | 91% |
Conditions | Yield |
---|---|
(carbonyl)(chloro)(hydrido)tris(triphenylphosphine)ruthenium(II) at 150℃; for 12h; | 90% |
2,5-dihydro-2,5-dimethoxyfuran
methyl 6-methoxy-1-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate
carbomethoxy-2 (furyl-2)-2 methoxy-6 dihydro-3,4 naphtalenone-1
Conditions | Yield |
---|---|
With acetic acid; zinc(II) chloride In tetrahydrofuran Heating; | 90% |
With zinc(II) chloride In tetrahydrofuran; acetic acid for 1h; Heating; | 84% |
2,5-dihydro-2,5-dimethoxyfuran
methyl 1-oxo-1,2,3,4-tetrahydronaphthalene-2-carboxylate
carbomethoxy-2 (furyl-2)-2 dihydro-3,4 naphtalenone-1
Conditions | Yield |
---|---|
With acetic acid; zinc(II) chloride In tetrahydrofuran Heating; | 90% |
With zinc(II) chloride In tetrahydrofuran; acetic acid for 1h; Heating; | 88% |
Conditions | Yield |
---|---|
With magnesium bromide In diethyl ether at 20℃; for 0.25h; Product distribution; Further Variations:; Reaction partners; reaction times; | 90% |
2,5-dihydro-2,5-dimethoxyfuran
2-Benzofuranpropionic acid-β-oxo-ethylester
Conditions | Yield |
---|---|
With K10 montmorillonite clay In hexane at 80℃; for 3h; | 90% |
2,5-dihydro-2,5-dimethoxyfuran
Conditions | Yield |
---|---|
Stage #1: 2,5-dihydro-2,5-dimethoxyfuran; ethyl 3-(2-hydroxy-6-methoxyphenyl)-3-oxopropanoate at 80℃; for 1h; Stage #2: With sodium hydroxide In ethanol Temperature; Reflux; | 90% |
Conditions | Yield |
---|---|
With 3-(1,1-dioxido-4-(3-(3-(3-sulfopropyl)-1H-imidazol-3-ium-1-yl)propyl)thiomorpholino-4-ium)propane-1-sulfonate trifluoromethanesulfonate In acetic acid butyl ester at 80℃; for 2h; | 90% |
Conditions | Yield |
---|---|
With 3-(1,1-dioxido-4-(3-(3-(3-sulfopropyl)-1H-imidazol-3-ium-1-yl)propyl)thiomorpholino-4-ium)propane-1-sulfonate trifluoromethanesulfonate In acetic acid butyl ester at 80℃; for 2h; | 90% |
The Furan,2,5-dihydro-2,5-dimethoxy-, with CAS registry number 332-77-4, belongs to the following product categories: (1)Aromatic Hydrocarbons (substituted) & Derivatives; (2)Furan&Benzofuran; (3)Furans; (4)Pharmaceutical. It has the systematic name of 2,5-dimethoxy-2,5-dihydrofuran. This chemical is a kind of colorless to light yellow liquid. This chemical is used as the intermediate of Atropine Sulfate. What's more, its EINECS is 206-367-5.
Physical properties of Furan,2,5-dihydro-2,5-dimethoxy-: (1)ACD/LogP: -1.00; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1; (4)ACD/LogD (pH 7.4): -1; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 6.78; (8)ACD/KOC (pH 7.4): 6.78; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 27.69 Å2; (13)Index of Refraction: 1.448; (14)Molar Refractivity: 32.86 cm3; (15)Molar Volume: 122.7 cm3; (16)Polarizability: 13.02×10-24cm3; (17)Surface Tension: 29.1 dyne/cm; (18)Density: 1.06 g/cm3; (19)Flash Point: 47.2 °C; (20)Enthalpy of Vaporization: 38.12 kJ/mol; (21)Boiling Point: 161 °C at 760 mmHg; (22)Vapour Pressure: 3.02 mmHg at 25°C.
When you are using this chemical, please be cautious about it as the following:
The Furan,2,5-dihydro-2,5-dimethoxy- is flammable, so keep it away from sources of ignition. You should not empty it into drains. And you should take precautionary measures against static discharges.
You can still convert the following datas into molecular structure:
(1)SMILES: O(C)C/1OC(OC)\C=C\1
(2)InChI: InChI=1/C6H10O3/c1-7-5-3-4-6(8-2)9-5/h3-6H,1-2H3
(3)InChIKey: WXFWXFIWDGJRSC-UHFFFAOYAI
(4)Std. InChI: InChI=1S/C6H10O3/c1-7-5-3-4-6(8-2)9-5/h3-6H,1-2H3
(5)Std. InChIKey: WXFWXFIWDGJRSC-UHFFFAOYSA-N
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