(2Z)-2-methylbut-2-ene-1,4-diol
3-methylfuran
Conditions | Yield |
---|---|
With oxygen; palladium diacetate; copper (I) acetate at 100℃; for 15h; | 77% |
Conditions | Yield |
---|---|
With quinoline; copper at 260℃; | 70% |
With quinoline at 165 - 180℃; for 2.5h; Inert atmosphere; | 68% |
With quinoline; copper |
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine In water; ethylene glycol at 160 - 175℃; | A n/a B 63% |
2-(2-propynyloxy)-4-methylenetetrahydrofuran
3-methylfuran
Conditions | Yield |
---|---|
With potassium hydrogensulfate In N,N-dimethyl-formamide Heating; | 60% |
2-methylene-4-(trimethylsilyl)but-3-yn-1-ol
3-methylfuran
Conditions | Yield |
---|---|
With silver hexafluoroantimonate; (N'-(tbutyl)-N,N-diethylcarbamimidoyl)gold(I) chloride In dichloromethane at 20℃; for 72h; | 50% |
2-methylene-4-(trimethylsilyl)but-3-yn-1-ol
A
3-methylfuran
B
2-ethynylpropenol
Conditions | Yield |
---|---|
With silver hexafluoroantimonate; (N'-(tbutyl)-N,N-diethylcarbamimidoyl)gold(I) chloride In dichloromethane at 20℃; for 8h; | A 50% B 21% |
3-methylfuran
Conditions | Yield |
---|---|
With sulfuric acid Heating; | 47% |
4-(5-Methyl-3,6-dihydro-[1,2]oxazin-2-yl)-benzoic acid methyl ester
A
3-methylfuran
B
Methyl 4-(2-methylpyrrol-1-yl)benzoate
C
4-methoxycarbonyl aniline
Conditions | Yield |
---|---|
In methanol Irradiation; | A n/a B n/a C 24% |
Conditions | Yield |
---|---|
With air; dihydrogen peroxide for 0.5h; Product distribution; Kinetics; Further Variations:; Reagents; Oxidation; UV-irradiation; | A 2.8% B 19.1% C 20.5% D 3.7% |
4-methyl-2-furancarboxylic acid
3-methylfuran
Conditions | Yield |
---|---|
With quinoline; copper |
4-methyl-furan-2,3-dicarboxylic acid
3-methylfuran
Conditions | Yield |
---|---|
With quinoline; copper |
Conditions | Yield |
---|---|
With oxygen; trimethylamine In gas Product distribution; gas-phase methylation of furan and thiophene, pressure dependence, effect of partial pressure of NMe3, competition experiments in the presence of benzene; mechanism of methylation; |
Conditions | Yield |
---|---|
With oxygen; trimethylamine In gas Product distribution; gas-phase methylation of furan and thiophene, pressure dependence, effect of partial pressure of NMe3, competition experiments in the presence of benzene; mechanism of methylation; |
Conditions | Yield |
---|---|
With potassium hydroxide; trifluoroacetic acid; hydrazine 1) ethylene glycol, 15 min, 2) ethylene glycol, 140 to 155 deg C; Yield given. Multistep reaction; |
furan-3-carboxaldehyde
methyl vinyl ketone
A
3-methylfuran
B
3-methylene-2,3-dihydrofuran
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine 1) ethylene glycol, 15 min, 2) ethylene glycol, 140 to 155 deg C; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; |
furan-3-carboxaldehyde
methyl vinyl ketone
A
3-methylfuran
B
5-(3-furyl)-2-pentanone
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine 1) ethylene glycol, 15 min, 2) ethylene glycol, 140 to 155 deg C, 3) CH2Cl2, 40 deg C; Yield given. Multistep reaction. Yields of byproduct given; |
furan-3-carboxaldehyde
acrylonitrile
A
3-methylfuran
B
4-(3-furyl)-1-butanenitrile
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine 1) ethylene glycol, 15 min, 2) ethylene glycol, 140 to 155 deg C, CH2Cl2, 40 deg C; Yield given. Multistep reaction. Yields of byproduct given; |
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine 1) ethylene glycol, 15 min, 2) ethylene glycol, 140 to 155 deg C, CH2Cl2, 40 deg C; Yield given. Multistep reaction. Yields of byproduct given; |
3-tetrahydrofuranmethanol
A
3-methyltetrahydrofuran
B
2-methyltetrahydrofuran
C
3-methylfuran
Conditions | Yield |
---|---|
aluminium at 310 - 330℃; for 0.5h; Yield given. Yields of byproduct given; |
isoprene
A
3-methylfuran
B
2-methyl-3,4-epoxy-1-butene
C
isoprene epoxide
Conditions | Yield |
---|---|
With nitrate radical at 24.9℃; under 5.1 - 75.006 Torr; Rate constant; Product distribution; Mechanism; application to troposphere; |
isoprene
A
3-methylfuran
B
formaldehyd
C
2-methylpropenal
D
methyl vinyl ketone
E
isoprene epoxide
Conditions | Yield |
---|---|
With nitrogen(II) oxide; nitrate radical at 24.9℃; under 5.1 - 75.006 Torr; Rate constant; Product distribution; Mechanism; application to troposphere; |
3-methylfuran
Conditions | Yield |
---|---|
With sulfuric acid |
3-methylfuran
Conditions | Yield |
---|---|
at 210 - 230℃; im Rohr; |
3-methylfuran
bromoacetaldehyde dipropargyl acetal
3-methylfuran
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 63 percent / bis-dimethylglyoximato(pyridine)cobalt(III), sodium borohydride, sodium hydroxide, pyridine / ethanol; diethyl ether / 3 h 2: 60 percent / potassium hydrogen sulfate / dimethylformamide / Heating View Scheme |
3-methylfuran
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 93 percent / m-chloroperbenzoic acid / diethyl ether / 5 h 2: 47 percent / 0.05M aq. H2SO4 / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CH2Cl2 / Heating 2: methanol / Irradiation View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. NaOH solution 2: copper; quinoline View Scheme | |
Multi-step reaction with 2 steps 1.1: methanol; sodium hydroxide / water / 3.5 h / Reflux; Inert atmosphere 1.2: pH 1 / Inert atmosphere 2.1: quinoline / 2.5 h / 165 - 180 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: sodium hydroxide / water / 2 h / Reflux 2: quinoline; copper / 260 °C View Scheme |
Conditions | Yield |
---|---|
With dirhodium tetraacetate Cycloaddition; | 92% |
3-methylfuran
3-(propa-1,2-dienyl)oxazolidin-2-one
Conditions | Yield |
---|---|
With silver hexafluoroantimonate; 3,3-dimethyldioxirane; copper(II) bis(trifluoromethanesulfonate); chiral bisoxazoline derivative In dichloromethane; acetone at -78℃; | 91% |
3-methylfuran
ethyl (2E)-4,4-difluorobut-2-enoate
C11H14F2O3
Conditions | Yield |
---|---|
With Cl4SnC2HNOBC6H5CH(CH3)2(C6H5)2CH2C10H7 In dichloromethane at -78℃; for 8h; Diels-Alder reaction; Inert atmosphere; optical yield given as %ee; stereoselective reaction; | 87% |
Conditions | Yield |
---|---|
With sodium 2,2,2-trifluoroethanolate In 2,2,2-trifluoroethanol at 20℃; for 2h; Cycloaddition; | 86% |
3-methylfuran
dimethyl acetylenedicarboxylate
dimethyl 5-methyl-7-oxa-bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 264h; | 81% |
3-methylfuran
1-aminotropono<4,5-d>-1,2,3-triazole
(1S,9R)-10-Methyl-12-oxa-tricyclo[7.2.1.02,8]dodeca-2(8),3,6,10-tetraen-5-one
Conditions | Yield |
---|---|
With lead(IV) acetate In dichloromethane at 5℃; | 80% |
Conditions | Yield |
---|---|
With Cl4SnC2HNOBC6H5CH(CH3)2(C6H5)2CH2C10H7 In dichloromethane at -78℃; for 8h; Diels-Alder reaction; Inert atmosphere; optical yield given as %ee; stereoselective reaction; | A n/a B 80% |
3-methylfuran
2-bromo-1-fluoro-3,5-dimethoxybenzene
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at 55℃; for 2h; | 80% |
3-methylfuran
2-bromo-3-(4-chlorophenyl)-1-phenylprop-2-en-1-one
Conditions | Yield |
---|---|
With [Ir(III){2-(2,4-difluorophenyl)-5-trifluoromethylpyridine}2(4,4'-di-tert-butyl-2,2'-dipyridyl)]PF6 In N,N-dimethyl-formamide for 12h; Inert atmosphere; Irradiation; | 78% |
Conditions | Yield |
---|---|
With tert-butyl methyl ether; t-butyldimethylsiyl triflate; C38H31F6N3O3 at -78℃; for 3h; Mukaiyama Aldol Addition; enantioselective reaction; | 77% |
3-methylfuran
Conditions | Yield |
---|---|
With 1,1,1-trifluoro-N-(4-oxido-2,6-bis(triphenylsilyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)methanesulfonamide; 3,3-dimethyldioxirane In ethyl acetate; toluene at -78℃; for 16h; stereoselective reaction; | 76% |
Conditions | Yield |
---|---|
With n-butyllithium In hexane at -40℃; for 8h; Diels-Alder Cycloaddition; Inert atmosphere; | 75% |
Conditions | Yield |
---|---|
dirhodium tetraacetate In fluorobenzene for 15h; Ambient temperature; | 72% |
3-methylfuran
cyclooctyne
1,4,5,6,7,8,9,10-Octahydro-2-methyl-1,4-epoxybenzocycloocten
Conditions | Yield |
---|---|
at 140℃; for 3h; | 68% |
3-methylfuran
Conditions | Yield |
---|---|
With [Ir(III){2-(2,4-difluorophenyl)-5-trifluoromethylpyridine}2(4,4'-di-tert-butyl-2,2'-dipyridyl)]PF6 In N,N-dimethyl-formamide for 12h; Inert atmosphere; Irradiation; | 65% |
3-methylfuran
di(1-adamantyl) ketone
Conditions | Yield |
---|---|
Stage #1: 3-methylfuran With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In diethyl ether; hexane for 0.5h; Metallation; lithiation; Stage #2: di(1-adamantyl) ketone In diethyl ether; hexane for 1h; Addition; | A 33% B 61% |
3-methylfuran
anthranilic acid
2-methyl-1,4-dihydro-1,4-epoxynaphthalene
Conditions | Yield |
---|---|
With isopentyl nitrite In tetrahydrofuran; dichloromethane for 1.5h; Heating; | 52% |
3-methylfuran
pentacarbonyltungsten(CHCPhCHPh)
Conditions | Yield |
---|---|
In dichloromethane under N2: addn. of 3-methylfuran to a soln. of (CO)5WCHC(C6H5)CH(C6H5) in CH2Cl2; reaction for 22 h at -30°C; removing solvent and excess 3-methylfuran in vac.;; extraction three times with ether; removing solvent in vac.; chromy. (pentane/CH2Cl2 (5:1)); elem. anal.;; | 51% |
Conditions | Yield |
---|---|
With tin(IV) chloride In dichloromethane at 0℃; for 0.75h; | A 48% B 6% |
Conditions | Yield |
---|---|
With bromine; sodium carbonate In benzene at -5℃; for 2h; | 43% |
Conditions | Yield |
---|---|
at 0 - 20℃; | 40% |
Conditions | Yield |
---|---|
In acetone; benzene for 20h; Irradiation; | A 3% B 6% C 34% |
The Molecular formula of 3-Methylfuran (930-27-8):C5H6O
The Molecular Weight of 3-Methylfuran (930-27-8):82.1
The Molecular Structure of 3-Methylfuran (930-27-8) is:
Density:0.927 g/cm3
Boiling point:66.9 °C at 760 mmHg
Index of Refraction:0.927 g/cm3
Molar Refractivity:23.37 cm3
Molar Volume:88.5 cm3
Polarizability:9.26 10-24cm3
Surface Tension:25.5 dyne/cm
Enthalpy of Vaporization:29.59 kJ/mol
Vapour Pressure:161 mmHg at 25°C
Appearance:clear liquid
IUPAC Name: 3-methylfuran
Synonyms: 3-METHYLFURAN ; 3-METHYLFURANE ; 3-METHYLFURAN (STABILIZED WITH HQ) 98+% ; 3-Methylfuran (stabilized with HQ) ; 3-Methylfuran,98% ; 3-methyl-fura
It is used for organic synthesis intermediates and solvents.
Add 3 - Methyl -2 - furan carboxylic acid to dry quinoline with copper powder as catalyst.Heated to about 250 ℃, quinoline was boiling, the reaction of carbon dioxide escaping.Reaction for the distillation process,that was 3 - methyl-furan , the yield of about 85%.
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
mouse | LC50 | inhalation | 3022mg/m3/1H (3022mg/m3) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | Toxicology and Applied Pharmacology. Vol. 72, Pg. 124, 1984. |
rat | LC50 | LC50 | 6651mg/m3/1H (6651mg/m3) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) SKIN AND APPENDAGES (SKIN): HAIR: OTHER | Experimental and Molecular Pathology. Vol. 39, Pg. 342, 1983. |
Hazard Codes:T-F,T,F
T:ToxicF:Highly Flammable
Risk Statements
R23:Toxic by inhalation.
R11:Highly Flammable.
Safety Statements
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S38:In case of insufficient ventilation, wear suitable respiratory equipment .
S16:Keep away from sources of ignition - No smoking .
RTECS:LU2630000
Conditions to Avoid:high temperatures, ignition sources.
Chemical Stability:stable under normal temperatures and pressures.
Incompatibilities with Other Materials:not available
Hazardous Decomposition Products: carbon monoxide , carbon dioxide .
Hazardous Polymerization:has not been reported.
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