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5-Methylfurfural CAS 620-02-0
Cas No: 620-02-0
USD $ 30.0-32.0 / Metric Ton 1 Metric Ton 200 Metric Ton/Month Antimex Chemical Limied Contact Supplier
High quality 5-Methylfurfural supplier in China
Cas No: 620-02-0
No Data 1 Kilogram 30 Metric Ton/Month Simagchem Corporation Contact Supplier
5-Methyl Furfural
Cas No: 620-02-0
No Data 23 Metric Ton 3000 Kilogram/Month ORCHID CHEMICAL SUPPLIES LTD Contact Supplier
2,5-dimethyl-3H-furan-2-carboxaldehyde
Cas No: 620-02-0
No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
5-Methylfurfural
Cas No: 620-02-0
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
High purity 5-Methyl furfural 98% TOP1 supplier in China
Cas No: 620-02-0
No Data 100 Gram 1-100 Metric Ton/Month Dayang Chem (Hangzhou) Co.,Ltd. Contact Supplier
5-Methylfural CAS: 620-02-0
Cas No: 620-02-0
USD $ 1.0-2.0 / Metric Ton 5 Metric Ton 2000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
Factory Supply 5-Methyl furfural, natural-identical
Cas No: 620-02-0
USD $ 160.0-200.0 / Gram 25 Gram 5 Kilogram/Day Ality Chemical Corporation Contact Supplier
620-02-0/5-Methyl furfural
Cas No: 620-02-0
No Data 1 Kilogram 1 Metric Ton/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
Top Purity CAS 620-02-0 with fast shipping
Cas No: 620-02-0
USD $ 139.0-210.0 / Kilogram 1 Kilogram 1000 Kilogram/Day Zhuozhou Wenxi import and Export Co., Ltd Contact Supplier

620-02-0 Usage

Production

5-Methyl furfural is produced by distillation of various kinds of methylpentose with acid together. The production process was as the following.    2-methylfuran and N, N-dimethyl formamide were firstly added to a 3-neck flask. Then, phosphorus oxychloride was added slowly to the flask and the reaction was kept for 1~2h at low temperature. The reagent was dumped into the water, neutralized by Na2CO3. By separating the oil layer, extracting the water layer with solvent, merging of the organic phase and the oil layer, drying, desolvation by distillation, reduced pressure distillation, we get the final product.

Uses

Used for blending coffee, chocolate, nuts, caramel, spices and on food fragrance. Used in the synthesis of pharmaceutical intermediates.

Chemical Properties

Colorless to light yellow liqui

Toxicity grade

GRAS(FEMA)

Chemical Properties

Slightly yellow transparent liquid, b.p.72~73℃/1.5kpa(or 187℃),n20D 1.5307,density 1.1070, Soluble in benzene, toluene, carbon tetrachloride, insoluble in water.

Usage

It meets GB 2760—1996 standards of edible spices. It is the intermediate of allethrin and prallethrin and used as tobacco essence.

Usage restriction

FEMA(mg/kg):drinks , cold drinks 0.13; sweets 0.03~0.13; bakery  products 0.03
InChI:InChI=1/C6H6O2/c1-5-2-3-6(4-7)8-5/h2-4H,1H3

620-02-0 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Vetec (V900723)  5-Methylfurfural  Vetec reagent grade, 98% 620-02-0 V900723-25G 224.64CNY Detail
Vetec (V900723)  5-Methylfurfural  Vetec reagent grade, 98% 620-02-0 V900723-5G 106.47CNY Detail
Aldrich (137316)  5-Methylfurfural  ReagentPlus®, 99% 620-02-0 137316-100G 1,434.42CNY Detail
Aldrich (137316)  5-Methylfurfural  ReagentPlus®, 99% 620-02-0 137316-25G 415.35CNY Detail
Aldrich (137316)  5-Methylfurfural  ReagentPlus®, 99% 620-02-0 137316-5G 214.11CNY Detail
Alfa Aesar (A13264)  5-Methyl-2-furaldehyde, 98%    620-02-0 500g 4762.0CNY Detail
Alfa Aesar (A13264)  5-Methyl-2-furaldehyde, 98%    620-02-0 100g 1081.0CNY Detail
Alfa Aesar (A13264)  5-Methyl-2-furaldehyde, 98%    620-02-0 25g 315.0CNY Detail

620-02-0SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-Methyl furfural

1.2 Other means of identification

Product number -
Other names 2-Furancarboxaldehyde, 5-methyl-

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:620-02-0 SDS

620-02-0Synthetic route

(5-methylfuran-2-yl)methylene diacetate
62202-47-5

(5-methylfuran-2-yl)methylene diacetate

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With [NO(1+)*18-crown-6*H(NO3)2(1-)]; silica gel In dichloromethane at 20℃; for 0.0833333h;100%
With caro's acid; silica gel In dichloromethane for 0.0333333h; Heating;100%
With aluminium trichloride In acetonitrile for 0.0833333h; Deacetylation; Heating;99%
2-methylfuran
534-22-5

2-methylfuran

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With trichlorophosphate In 1,2-dichloro-ethane 1.) 0 deg C, 1 h, 2.) 0 deg C - 26 deg C;99.6%
With bis(trichloromethyl) carbonate In dichloromethane at 20℃;98.8%
With trichlorophosphate
Yield given. Multistep reaction;
5-chloromethylfurfural
1623-88-7

5-chloromethylfurfural

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen In 1,2-dichloro-ethane at 70℃; under 8250.83 Torr; for 5h; pH=8.88; Reagent/catalyst; Temperature; Autoclave;99%
With palladium 10% on activated carbon; hydrogen; N,N-dimethyl-formamide under 3361.55 Torr; for 1.21667h;97%
With palladium 10% on activated carbon; hydrogen; N,N-dimethyl-formamide under 103.432 - 3361.55 Torr; for 1.21667h; Reagent/catalyst;97%
5-bromomethyl-furan-2-carbaldehyde
39131-44-7

5-bromomethyl-furan-2-carbaldehyde

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With 5%-palladium/activated carbon; hydrogen In 1,2-dichloro-ethane at 50℃; under 8250.83 Torr; for 5h; pH=8.39; Reagent/catalyst; Autoclave;98%
With hydrogenchloride; tin(ll) chloride
5-bromo-2-furancarboxaldehyde
1899-24-7

5-bromo-2-furancarboxaldehyde

[3-(dimethylamino)propyl]dimethylindium

[3-(dimethylamino)propyl]dimethylindium

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride In benzene at 80℃; for 12h;97%
5-bromo-2-furancarboxaldehyde
1899-24-7

5-bromo-2-furancarboxaldehyde

bis(μ-[2-(dimethylamino)ethanolato-N,O:O]tetramethyldiindium

bis(μ-[2-(dimethylamino)ethanolato-N,O:O]tetramethyldiindium

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride In benzene at 80℃; for 24h;95%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

A

5-Methylfurfural
620-02-0

5-Methylfurfural

B

2,5-bis-(hydroxymethyl)furan
1883-75-6

2,5-bis-(hydroxymethyl)furan

Conditions
ConditionsYield
With hydrogen; 20Cu/Al2O3 In methanol at 130℃; under 22502.3 Torr; for 1h; Catalytic behavior; Solvent;A 6.62%
B 93.01%
With water; hydrogen at 160℃; under 30003 Torr; for 4h; Autoclave;
With hydrogen In ethanol at 100℃; under 37503.8 Torr; for 6h; Autoclave;
2-((5-methylfuran-2-yl)methylene)hydrazine-1-carboxamide

2-((5-methylfuran-2-yl)methylene)hydrazine-1-carboxamide

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With tetrachlorosilane; silica gel In hexane; water for 1h; Heating;92%
With aluminium trichloride; 1-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane dichromate at 20℃; for 0.0111111h;90%
With zirconium hydrogen sulfate; silica gel In hexane at 20℃; for 0.2h;90%
2-methylfuran
534-22-5

2-methylfuran

phosgene
75-44-5

phosgene

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
Stage #1: 2-methylfuran; phosgene With N,N-dimethyl-formamide In toluene at 40 - 60℃; for 5 - 13h;
Stage #2: With water In toluene at 40 - 45℃;
Stage #3: With sodium hydroxide In water; toluene for 1h; pH=8.9; Product distribution / selectivity;
92%
2-hydroxymethyl-5-methylfuran
3857-25-8

2-hydroxymethyl-5-methylfuran

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With oxygen; hydroquinone In tetrahydrofuran; aq. phosphate buffer at 20℃; for 12h; pH=4.5; Green chemistry;91%
With butyltriphenylphosphonium dichromate In chloroform for 0.75h; Oxidation; Heating;88%
With potassium dichromate; aluminium trichloride for 0.0666667h;88%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; sodium carbonate; N-Phenylglycine; copper(ll) bromide In water for 16h; Reflux; Schlenk technique;82%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; dimethyl 3-methyl-9-oxo-7-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)-2,4-di(pyridin-2-yl)-3,7-diazabicyclo-[3.3.1]nonane-1,5-dicarboxylate; copper(I) bromide In water at 20℃; for 10h; Green chemistry;76%
furfural
98-01-1

furfural

n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

methyl iodide
74-88-4

methyl iodide

A

5-Methylfurfural
620-02-0

5-Methylfurfural

B

1-(5-methylfuran-2-yl)pentan-1-ol
70396-63-3, 14313-18-9

1-(5-methylfuran-2-yl)pentan-1-ol

Conditions
ConditionsYield
With N,O-dimethylhydroxylamine*hydrochloride In tetrahydrofuran; hexane at -20℃; for 1h; Product distribution; Further Variations:; Reagents; Solvents; Temperatures; time;A 90.7%
B 1.1%
5-bromo-2-furancarboxaldehyde
1899-24-7

5-bromo-2-furancarboxaldehyde

[3-(dimethylamino)propyl]dimethylgallium

[3-(dimethylamino)propyl]dimethylgallium

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
bis-triphenylphosphine-palladium(II) chloride In benzene at 80℃; for 24h;90%
5-methyl-2-furancarbaldehyde oxime

5-methyl-2-furancarbaldehyde oxime

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With aluminium trichloride; 1-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane dichromate at 20℃; for 0.00833333h;89%
With 1-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane dichromate In dichloromethane for 0.00833333h; Irradiation;89%
With aluminium trichloride; benzyltriphenylphosphonium chlorochromate In acetonitrile for 0.833333h; Heating;89%
5-(2-furaldehyde)methyl formate
102390-86-3

5-(2-furaldehyde)methyl formate

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With formic acid; 5%-palladium/activated carbon; ammonium formate at 80℃; for 1h;89%
5-methylfuran-2-carbaldehyde oxime
57784-53-9

5-methylfuran-2-carbaldehyde oxime

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With benzeneselenic anhydride In dichloromethane83%
2-(furan-2-yl)-1,3-dimethylimidazolidine
104208-14-2

2-(furan-2-yl)-1,3-dimethylimidazolidine

methyl iodide
74-88-4

methyl iodide

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
Stage #1: 2-(furan-2-yl)-1,3-dimethylimidazolidine With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at -78℃; for 2h;
Stage #2: methyl iodide at 20℃; for 12h;
Stage #3: With hydrogenchloride In water
82%
With n-butyllithium; N,N,N,N,-tetramethylethylenediamine; sulfuric acid Yield given. Multistep reaction;
5-bromo-2-furancarboxaldehyde
1899-24-7

5-bromo-2-furancarboxaldehyde

Trimethylboroxine
823-96-1

Trimethylboroxine

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With C70H40Cl2F68N2O6Pd2; tetrabutylammomium bromide; potassium carbonate In water at 140℃; for 0.266667h; Suzuki-Miyaura reaction; Microwave irradiation;82%
2,5-bis-(hydroxymethyl)furan
1883-75-6

2,5-bis-(hydroxymethyl)furan

A

2,5-dimethylfuran
625-86-5

2,5-dimethylfuran

B

5-Methylfurfural
620-02-0

5-Methylfurfural

C

2,5-diformylfurane
823-82-5

2,5-diformylfurane

Conditions
ConditionsYield
With iodine at 60℃; for 10h; Inert atmosphere; Sealed tube;A 5%
B 80%
C 6%
2-dibutoxymethyl-5-methylfuran
23029-68-7

2-dibutoxymethyl-5-methylfuran

A

5-Methylfurfural
620-02-0

5-Methylfurfural

B

5-Methyl-furan-2-carboxylic acid butyl ester
126080-80-6

5-Methyl-furan-2-carboxylic acid butyl ester

Conditions
ConditionsYield
With tin(IV) chloride In 1,2-dichloro-ethane at 0℃; for 0.25h;A 22%
B 78%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

A

2,5-dimethylfuran
625-86-5

2,5-dimethylfuran

B

5-Methylfurfural
620-02-0

5-Methylfurfural

C

2,5-bis-(hydroxymethyl)furan
1883-75-6

2,5-bis-(hydroxymethyl)furan

D

C7H10O

C7H10O

E

2,2′-(1,2-ethanediyl)bis [5-methylfuran]
121709-55-5

2,2′-(1,2-ethanediyl)bis [5-methylfuran]

Conditions
ConditionsYield
With hydrogen In tetrahydrofuran at 130℃; under 7500.75 Torr; for 24h; Pressure; Temperature; Reagent/catalyst; Time; Autoclave; High pressure;A 76%
B n/a
C n/a
D n/a
E n/a
2-methylfuran
534-22-5

2-methylfuran

Vilsmeier reagent
3724-43-4, 149409-22-3

Vilsmeier reagent

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
Stage #1: 2-methylfuran; Vilsmeier reagent at 0℃; for 1h;
Stage #2: With water; sodium carbonate at 0℃;
76%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With formic acid In tetrahydrofuran at 220℃; under 3750.38 Torr; for 7.5h; Catalytic behavior; Mechanism; Reagent/catalyst; Temperature; Inert atmosphere; Autoclave; Green chemistry;73%
With hydrogen iodide In benzene-d6; water at 100℃; under 15514.9 Torr; for 2.5h; Inert atmosphere;47%
With hydrogenchloride; sodium iodide In diethyl ether; dichloromethane; water electrolysis, mercury pool cathode, -0.2 V;
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

A

2,5-dimethylfuran
625-86-5

2,5-dimethylfuran

B

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen; Al(OH)(2,2'-bipyridine-5,5'-dicarboxylic acid)0.81(PdCl2)0.48(OTf)0.38 at 150℃; under 15001.5 Torr; for 24h;A 71%
B 29%
With awaruite; hydrogen at 160℃; under 7500.75 Torr; for 2h; Catalytic behavior; Time; chemoselective reaction;A 15.7%
B 19.8%
With hydrogenchloride; hydrogen In tetrahydrofuran at 60℃; under 760.051 Torr; for 6h; Reagent/catalyst; Schlenk technique;A 8 %Chromat.
B 7 %Chromat.
D-fructose
470-23-5

D-fructose

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen iodide; hydrogen; palladium on activated charcoal In water; benzene at 90℃; under 15514.9 Torr; for 0.5h; Product distribution / selectivity;69%
With palladium on activated charcoal; hydrogen iodide; hydrogen at 120℃; under 15514.9 Torr; for 0.5h;68%
With rhodium(III) chloride trihydrate; hydrogen iodide In water; toluene at 80℃; under 15514.9 Torr; for 9h; Inert atmosphere;100 %Chromat.
With phosphoric acid; hydrogen iodide In water; toluene at 90℃; for 3h;
Multi-step reaction with 2 steps
1: hydrogen bromide / 1,2-dichloro-ethane / 8 h / Reflux
2: 5%-palladium/activated carbon; formic acid; ammonium formate / 1 h / 80 °C
View Scheme
2-dibutoxymethyl-5-methylfuran
23029-68-7

2-dibutoxymethyl-5-methylfuran

A

5-Methylfurfural
620-02-0

5-Methylfurfural

B

2-butoxymethyl-5-methylfuran
126080-79-3

2-butoxymethyl-5-methylfuran

C

5-Methyl-furan-2-carboxylic acid butyl ester
126080-80-6

5-Methyl-furan-2-carboxylic acid butyl ester

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In 1,2-dichloro-ethane at 0℃; for 0.25h;A 8%
B 65%
C 13%
Conditions
ConditionsYield
With Dowex 50Wx8-200 ion-exchange resin at 100℃; for 3h; Ionic liquid; Sealed tube;63%
With Phenylalanine In water at 98℃; for 10h; Product distribution; formation of furfural derivatives in amino-carbonyl reaction; various pH (2 - 12);
Conditions
ConditionsYield
With tungsten monocarbide; hydrogen iodide; hydrogen In water; toluene at 130℃; under 10343.2 Torr; for 1h; Catalytic behavior; Pressure; Reagent/catalyst;63%
L-rhamnose
73-34-7

L-rhamnose

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With chromium dichloride; 4-methyl-2-pentanone; 1-butyl-3-methylimidazolium chloride at 100℃; Catalytic behavior; Reagent/catalyst; Temperature;61%
With hydrogenchloride; C12H25C6H4SO3Na; cetyltrimethylammonium chloride 1.) 20 deg C, 2 h; 2.) carbon tetrachloride, 40-70 deg C; Yield given. Multistep reaction;
inulin

inulin

5-Methylfurfural
620-02-0

5-Methylfurfural

Conditions
ConditionsYield
With hydrogen iodide; hydrogen; ruthenium trichloride In water; benzene at 75℃; under 15514.9 Torr; for 2h;61%
With tungsten monocarbide; hydrogen iodide; hydrogen In water; toluene at 160℃; under 10343.2 Torr; for 1h;30%
With rhodium(III) chloride hydrate; hydrogen iodide; hydrogen In water; benzene at 75℃; under 15514.9 Torr; for 2h; Autoclave;61 %Spectr.
5-Methylfurfural
620-02-0

5-Methylfurfural

hydrogen cyanide
74-90-8

hydrogen cyanide

(S)-(+)-2-hydroxy-2-(5-methyl-2-furyl)acetonitrile
136521-57-8

(S)-(+)-2-hydroxy-2-(5-methyl-2-furyl)acetonitrile

Conditions
ConditionsYield
With almond meal; citrate buffer pH 5.5 In ethyl acetate at 4℃;100%
With almond meal In di-isopropyl ether at 15℃;99%
With almond meal ((R)-oxynitrilase) In di-isopropyl ether at 4 - 30℃;60%
5-Methylfurfural
620-02-0

5-Methylfurfural

4-methoxy-aniline
104-94-9

4-methoxy-aniline

N-(4-methoxyphenyl)-1-(5-methylfuran-2-yl)methanimine
95124-23-5

N-(4-methoxyphenyl)-1-(5-methylfuran-2-yl)methanimine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In diethyl ether at 20℃; Molecular sieve; Inert atmosphere;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

pipecolic acid hydrazide
61700-55-8

pipecolic acid hydrazide

3-(5-Methyl-furan-2-yl)-2-{[1-(5-methyl-furan-2-yl)-meth-(E)-ylidene]-amino}-hexahydro-imidazo[1,5-a]pyridin-1-one

3-(5-Methyl-furan-2-yl)-2-{[1-(5-methyl-furan-2-yl)-meth-(E)-ylidene]-amino}-hexahydro-imidazo[1,5-a]pyridin-1-one

Conditions
ConditionsYield
In ethanol100%
5-Methylfurfural
620-02-0

5-Methylfurfural

methyllithium
917-54-4

methyllithium

2-(1-hydroxyethyl)-5-methylfuran
14003-15-7

2-(1-hydroxyethyl)-5-methylfuran

Conditions
ConditionsYield
In tetrahydrofuran at -78℃;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

benzylamine
100-46-9

benzylamine

Benzyl-[1-(5-methyl-furan-2-yl)-meth-(E)-ylidene]-amine
91608-35-4

Benzyl-[1-(5-methyl-furan-2-yl)-meth-(E)-ylidene]-amine

Conditions
ConditionsYield
In ethanol at 20℃;100%
In dichloromethane at 20℃; for 24h;
In benzene Heating;
With magnesium sulfate In dichloromethane at 20℃;
In ethanol at 100℃; for 0.0166667h; Concentration; Sealed tube; Microwave irradiation;
5-Methylfurfural
620-02-0

5-Methylfurfural

C8H7F5O2
473731-98-5

C8H7F5O2

Conditions
ConditionsYield
Stage #1: Pentafluoroethyl iodide With methyl lithium lithium bromide complex In diethyl ether at -78℃; for 0.25h;
Stage #2: 5-Methylfurfural In diethyl ether at -78 - 45℃; for 2h;
Stage #3: With ammonium chloride In diethyl ether; water at 20℃; for 1h;
100%
5-Methylfurfural
620-02-0

5-Methylfurfural

1-methoxycarbonyl-2-t-butoxycarbonyl ethyl phosphorane
697748-22-4

1-methoxycarbonyl-2-t-butoxycarbonyl ethyl phosphorane

E-3-methoxycarbonyl-4-(5-methylfur-2-yl)-but-3-enoic acid t-butyl ester
697748-19-9

E-3-methoxycarbonyl-4-(5-methylfur-2-yl)-but-3-enoic acid t-butyl ester

Conditions
ConditionsYield
In toluene at 80℃; for 48h;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

N-(4-aminomethylbenzyl)-N',N'-dipropylbutane-1,4-diamine
927885-19-6

N-(4-aminomethylbenzyl)-N',N'-dipropylbutane-1,4-diamine

{(4-dipropylaminobutyl)-[4-(5-methylfuran-2-ylmethylidene)aminomethylbenzyl]}-amine
927885-35-6

{(4-dipropylaminobutyl)-[4-(5-methylfuran-2-ylmethylidene)aminomethylbenzyl]}-amine

Conditions
ConditionsYield
With sodium sulfate In ethanol at 20℃; for 25h;100%
With sodium sulfate In ethanol at 25℃; for 20h;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

9-Phenyl-1,2,3,4,5,6,7,8-octahydro-xanthenylium; perchlorate

9-Phenyl-1,2,3,4,5,6,7,8-octahydro-xanthenylium; perchlorate

C31H29O3(1+)*ClO4(1-)
1161226-52-3

C31H29O3(1+)*ClO4(1-)

Conditions
ConditionsYield
With phosphorus pentoxide In isopropyl alcohol Reflux;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

Pentafluoroethyl iodide
354-64-3

Pentafluoroethyl iodide

C8H7F5O2
473731-98-5

C8H7F5O2

Conditions
ConditionsYield
Stage #1: Pentafluoroethyl iodide With methyllithium lithium bromide In diethyl ether at -78℃; for 0.25h;
Stage #2: 5-Methylfurfural In diethyl ether at -45℃; for 2h;
100%
Stage #1: Pentafluoroethyl iodide With methyllithium lithium bromide In diethyl ether at -78℃; for 0.25h;
Stage #2: 5-Methylfurfural In diethyl ether at -78 - -45℃; for 2h;
Stage #3: With ammonium chloride In diethyl ether; water at 20℃; for 1h;
100%
5-Methylfurfural
620-02-0

5-Methylfurfural

butyl magnesium bromide
693-04-9

butyl magnesium bromide

1-(5-methylfuran-2-yl)pentan-1-ol
70396-63-3, 14313-18-9

1-(5-methylfuran-2-yl)pentan-1-ol

Conditions
ConditionsYield
In diethyl ether at -10 - 10℃; Grignard reaction; Inert atmosphere;100%
piperidine
110-89-4

piperidine

5-Methylfurfural
620-02-0

5-Methylfurfural

1,1'-[(5-methylfuran-2-yl)methanediyl]dipiperidine
1233407-67-4

1,1'-[(5-methylfuran-2-yl)methanediyl]dipiperidine

Conditions
ConditionsYield
at 20℃; for 0.166667h; neat (no solvent);100%
5-Methylfurfural
620-02-0

5-Methylfurfural

(E)-2-((5-methylfuran-2-yl)methyleneamino)-N-phenylbenzamide
1201652-21-2

(E)-2-((5-methylfuran-2-yl)methyleneamino)-N-phenylbenzamide

Conditions
ConditionsYield
100%
5-Methylfurfural
620-02-0

5-Methylfurfural

methyl 2-isocyano-2-phenylacetate
39533-32-9

methyl 2-isocyano-2-phenylacetate

p-toluidine
106-49-0

p-toluidine

C23H22N2O3
1360806-67-2

C23H22N2O3

Conditions
ConditionsYield
With sulphate sodium salt; silver(I) acetate In methanol at 20℃; for 20h; Inert atmosphere; optical yield given as %de;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

2,5-dimethyltetrahydrofuran
1003-38-9

2,5-dimethyltetrahydrofuran

Conditions
ConditionsYield
With rhodium(III) iodide; hydrogen iodide; hydrogen In water; toluene at 125℃; under 15514.9 Torr; for 12h;100%
Multi-step reaction with 2 steps
1: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
2: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
View Scheme
Multi-step reaction with 2 steps
1: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
2: hydrogen / butan-1-ol / 3 h / 199.84 °C / 22502.3 Torr / Autoclave
View Scheme
5-Methylfurfural
620-02-0

5-Methylfurfural

N,N-diethylethylenediamine
100-36-7

N,N-diethylethylenediamine

N1,N1-diethyl-N2-((5-methylfuran-2-yl)methylene)ethane-1,2-diamine

N1,N1-diethyl-N2-((5-methylfuran-2-yl)methylene)ethane-1,2-diamine

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane at 20℃; Inert atmosphere; Darkness;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

4-amino-N,N-dimethylaniline
99-98-9

4-amino-N,N-dimethylaniline

(E)-4-((5-methylfuran-2-ylmethylene)amino)-N,N-dimethylaniline

(E)-4-((5-methylfuran-2-ylmethylene)amino)-N,N-dimethylaniline

Conditions
ConditionsYield
In diethyl ether at 20℃; Inert atmosphere; Molecular sieve; Darkness;100%
5-Methylfurfural
620-02-0

5-Methylfurfural

4-[(4-dipropylaminobutyl)amino]methylbenzonitrile
864914-08-9

4-[(4-dipropylaminobutyl)amino]methylbenzonitrile

4-{[(4-dipropylaminobutyl)-(5-methylfuran-2-ylmethyl)amino]methyl}benzonitrile

4-{[(4-dipropylaminobutyl)-(5-methylfuran-2-ylmethyl)amino]methyl}benzonitrile

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride In ethanol at 0 - 20℃; for 19h;99.5%
With sodium tris(acetoxy)borohydride In ethanol at 0 - 20℃; for 19h;99.5%
5-Methylfurfural
620-02-0

5-Methylfurfural

isopropylmagnesium bromide
920-39-8

isopropylmagnesium bromide

2-methyl-1-(5-methylfuran-2-yl)propan-1-ol
32869-73-1

2-methyl-1-(5-methylfuran-2-yl)propan-1-ol

Conditions
ConditionsYield
In diethyl ether at -10 - 10℃; Grignard reaction; Inert atmosphere;99%
With diethyl ether
2-methylfuran
534-22-5

2-methylfuran

5-Methylfurfural
620-02-0

5-Methylfurfural

2,2',2''-methylidenetris(5-methylfuran)
86269-31-0

2,2',2''-methylidenetris(5-methylfuran)

Conditions
ConditionsYield
With ion-exchange resin Lewatit SPC 108 (acid form) In 1,4-dioxane; water at 60℃; for 3h;99%
gold(III) chloride In acetonitrile at 20℃; for 48h;98%
With 1-methyl-3-(4-sulfobutyl)-1H-imidazol-3-ium hydrogensulfate In water at 65℃; for 2h; Green chemistry;94%
5-Methylfurfural
620-02-0

5-Methylfurfural

methyl vinyl ketone
78-94-4

methyl vinyl ketone

(Methyl-5' furyl-2')-1 pentanedione-1,4
85660-09-9

(Methyl-5' furyl-2')-1 pentanedione-1,4

Conditions
ConditionsYield
With acetate de sodium anhydre; iodure de dimethyl-3,4(hydroxyethyl-2)-5 thiazolium-1,3; triethylamine In ethanol Heating;99%
5-Methylfurfural
620-02-0

5-Methylfurfural

3,5-dibromo-1,2-phenylendiamine
1575-38-8

3,5-dibromo-1,2-phenylendiamine

4,6-Dibromo-2-(5-methyl-furan-2-yl)-1-(4-methyl-furan-2-ylmethyl)-1H-benzoimidazole

4,6-Dibromo-2-(5-methyl-furan-2-yl)-1-(4-methyl-furan-2-ylmethyl)-1H-benzoimidazole

Conditions
ConditionsYield
With hydrogenchloride In methanol; water for 0.25h; Heating;99%
5-Methylfurfural
620-02-0

5-Methylfurfural

A

5-methylfuran-2-carboxylic acid
1917-15-3

5-methylfuran-2-carboxylic acid

B

2-hydroxymethyl-5-methylfuran
3857-25-8

2-hydroxymethyl-5-methylfuran

Conditions
ConditionsYield
Stage #1: 5-Methylfurfural With potassium hydroxide for 0.0833333h; Cannizzaro Reaction; Milling; Inert atmosphere; Sealed tube; Green chemistry;
Stage #2: With hydrogenchloride In water for 0.0833333h; Green chemistry;
A 99%
B 99%
With sodium hydroxide In diethyl ether; water for 4h; Heating;A 42%
B 35%
5-Methylfurfural
620-02-0

5-Methylfurfural

C15H15O(1+)*BF4(1-)

C15H15O(1+)*BF4(1-)

BF4(1-)*C21H19O2(1+)

BF4(1-)*C21H19O2(1+)

Conditions
ConditionsYield
With phosphorus pentoxide In isopropyl alcohol; acetonitrile Heating;99%
5-Methylfurfural
620-02-0

5-Methylfurfural

tert.-butyl lithium
594-19-4

tert.-butyl lithium

2,2-dimethyl-1-(5-methylfuran-2 yl)propan-1-ol
1210782-06-1

2,2-dimethyl-1-(5-methylfuran-2 yl)propan-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at -10 - 10℃; Inert atmosphere;99%
5-Methylfurfural
620-02-0

5-Methylfurfural

amide of 5-methylfuran-2-carboxylic acid
99968-74-8

amide of 5-methylfuran-2-carboxylic acid

Conditions
ConditionsYield
With hydroxylamine hydrochloride; caesium carbonate In water; dimethyl sulfoxide at 125℃; for 14h;99%
Multi-step reaction with 2 steps
1: hydroxylamine hydrochloride; pyridine / methanol / 24 h / 20 °C
2: [RuCl2(η2-C6H6){P(NMe2)3}]; water / 1 h / 100 °C / Inert atmosphere; Sealed tube
View Scheme
5-Methylfurfural
620-02-0

5-Methylfurfural

(trifluoromethyl)trimethylsilane
81290-20-2

(trifluoromethyl)trimethylsilane

2,2,2-Trifluoro-1-(5-methyl-furan-2-yl)-ethanol

2,2,2-Trifluoro-1-(5-methyl-furan-2-yl)-ethanol

Conditions
ConditionsYield
Stage #1: 5-Methylfurfural; (trifluoromethyl)trimethylsilane With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 4h;
Stage #2: With tetrabutyl ammonium fluoride In N,N-dimethyl-formamide for 4h;
99%

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