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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Ethyl levulinate Manufacturer/High quality/Best price/In stock

Cas:539-88-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Ethyl Levulinate supplier in China

Cas:539-88-8

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Colorless to pale yellow liquid Storage:cool dry place Package:25kg/drum;200kg/drum Application:food additive Tra

Manufacturer high quality Ethyl levulinate Cas 539-88-8 with good price

Cas:539-88-8

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

Sleeping pills and stability.This product is white or white crystalline powder;Odourless and slightly bitter taste.Almost insoluble in water, soluble in hydrochloric acid.In acid or alkali and heat hydrolysis, oral drug under the action of gastric

Ethyl Levulinate

Cas:539-88-8

Min.Order:10000 Gram

FOB Price: $1300.0

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

Ethyl levulinate

Cas:539-88-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Ethyl 4-oxovalerate

Cas:539-88-8

Min.Order:1

Negotiable

Type:Other

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Ethyl Levulinate

Cas:539-88-8

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Ethyl levulinate

Cas:539-88-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Leader Biochemical Group

About Product Details

China Largest Factory Manufacturer Supply Ethyl Levulinate CAS 539-88-8

Cas:539-88-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

Ethyl levulinate--

Cas:539-88-8

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

539-88-8 Ethyl levulinate

Cas:539-88-8

Min.Order:1 Kilogram

FOB Price: $15.0 / 50.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Manufacturer supply CAS 539-88-8 with best quality

Cas:539-88-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

ELA/Ethyl levulinate/Ethyl 4-oxopentanoate

Cas:539-88-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

Top Purity 539-88-8 Factory Sells 539-88-8 Competitive Price 539-88-8 CAS539-88-8

Cas:539-88-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat

Ethyl levulinateCAS:539-88-8

Cas:539-88-8

Min.Order:1 Kilogram

FOB Price: $4.0 / 5.0

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:White Crystalline Powder Storage:Store in sealed conta

high quality 539-88-8 Ethyl levulinate

Cas:539-88-8

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Hefei TNJ chemical industry co.,ltd

We are one of the domestic largest manufacturers of API; We are always supplier of products with higher quality and at more competitive price; We are supplier of safe and ecofriendly products ; We provide stable supply and efficient servic

Manufacturer of Ethyl levulinate at Factory Price

Cas:539-88-8

Min.Order:200 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Pentanoic acid, 4-oxo-, ethyl ester 539-88-8

Cas:539-88-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Ethyl levulinate

Cas:539-88-8

Min.Order:1 Kilogram

FOB Price: $20.0 / 25.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Ethyl levulinate CAS:539-88-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermedi

Ethyl levulinate CAS:539-88-8

Cas:539-88-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Pentanoic acid, 4-oxo-, ethyl ester

Cas:539-88-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Superiority Product Detail Minimum Order Qty.

FACTORY supply 99.0%purity Ethyl levulinate,CAS 539-88-8, C7H12O3

Cas:539-88-8

Min.Order:100 Kilogram

Negotiable

Type:Trading Company

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

Ethyl Levulinate

Cas:539-88-8

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Ethyl levulinate

Cas:539-88-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Ethyl levulinate

Cas:539-88-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

BOC Sciences

BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. https:

ETHYL LEVULINATE FCC cas 539-88-8

Cas:539-88-8

Min.Order:1 Gram

Negotiable

Type:Trading Company

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

Ethyl levulinate/High quality/Best price

Cas:539-88-8

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

Pentanoic acid, 4-oxo-, ethyl ester

Cas:539-88-8

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality Appearance:clear yellowish liquid Storage:Keep away of light,cool place Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used as Pharmaceutical Intermediates Transportation:as per your request Port:Shangha

Ethyl levulinate

Cas:539-88-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Ethyllevulinate

Cas:539-88-8

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

ethanol
64-17-5

ethanol

levulinic acid
123-76-2

levulinic acid

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With Zirconium Exchanged Phosphotungstic Acid at 120℃; for 2h; Temperature;100%
With sulfuric acid for 16h; Reflux;100%
With naphthalene; N,N,N-triethyl-N-butanesulfonic acid ammonium hydrogen sulfate at 140℃; for 0.5h;99%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

ethanol
64-17-5

ethanol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With Amberlyst 15 at 140℃; for 5h;99%
With naphthalene; N,N,N-triethyl-N-butanesulfonic acid ammonium hydrogen sulfate at 140℃; for 24h;85%
With Amberlyst-15 at 120℃;74%
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

ethanol
64-17-5

ethanol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With MCM-41; amberlyst-15 In ethyl acetate at 15 - 80℃; for 5h; Temperature; Solvent; Reagent/catalyst;96.92%
With tetrachloromethane; iron(III)-acetylacetonate at 70℃;95%
With Amberlyst-15 at 120℃;95%
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

ethanol
64-17-5

ethanol

Amberlyst-15

Amberlyst-15

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
at 20 - 80℃; for 5h; Temperature; Reagent/catalyst;96.65%
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With tungsten(VI) oxide In ethanol under 30003 Torr; for 2h; Reagent/catalyst; Autoclave; Inert atmosphere; Sealed tube;93.3%
With sulphated alumina In ethanol at 200℃; for 3h; Catalytic behavior; Temperature; Reagent/catalyst; Time;80.6%
With divinylbenzene polymer with acid ionic liquid In ethanol at 150℃; under 760.051 Torr; for 12h; Solvent; Inert atmosphere;75%
2-Methoxy-2-methyl-cyclopropanecarboxylic acid ethyl ester
78932-46-4

2-Methoxy-2-methyl-cyclopropanecarboxylic acid ethyl ester

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With sulfuric acid In water; acetone for 2h; Ambient temperature;93%
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

ethanol
64-17-5

ethanol

A

2-(ethoxymethyl)furan
6270-56-0

2-(ethoxymethyl)furan

B

4,5,5-triethoxypentan-2-one
1446756-00-8

4,5,5-triethoxypentan-2-one

C

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
at 110℃; for 2h; Temperature; Reagent/catalyst; Autoclave; Ionic liquid;A n/a
B n/a
C 92%
With hydrothermally treated graphene oxide (GO-HT) at 120℃; for 6h; Autoclave;A 38.8%
B 11.7%
C 39.7%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

ethanol
64-17-5

ethanol

A

5-(ethoxymethyl)furfural
1917-65-3

5-(ethoxymethyl)furfural

B

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With dual acidic Glu-TsOH-Ti catalyst at 90℃; for 6h; Reagent/catalyst;A 91%
B n/a
With mesoporous silica Z-SBA-15 catalyst at 140℃; for 5h;A 76%
B 23%
With partially reduced graphene oxide (S-RGO) at 140℃; for 24h;A 71%
B 22%
1-tributylstannanyl-propan-2-one
14583-98-3

1-tributylstannanyl-propan-2-one

ethyl bromoacetate
105-36-2

ethyl bromoacetate

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide In benzene at 25℃; for 7h;90%
In benzene for 1h; Ambient temperature; Irradiation;50%
With bis-triphenylphosphine-palladium(II) chloride In tetrahydrofuran at 100℃; for 9h;41%
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

ethanol
64-17-5

ethanol

A

diethyl ether
60-29-7

diethyl ether

B

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
Amberlyst 15 at 125℃; for 1.16667h; Conversion of starting material;A 4%
B 89%
Amberlyst 46 at 125℃; for 0.55 - 1.1h; Conversion of starting material;A 0.4%
B 68%
Amberlyst 36 at 125℃; for 0.533333 - 1.11667h; Conversion of starting material;A 1.2%
B 60%
Purolite MN500 at 125℃; for 0.883333 - 1.16667h; Conversion of starting material;A 0.4%
B 38%
5-methyl-2-furanone
591-12-8

5-methyl-2-furanone

ethanol
64-17-5

ethanol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With multi-walled carbon nanotubes/PTFE-supported Candida antarctica lipase B In toluene for 2h; Green chemistry; Enzymatic reaction;85%
lithium carbonate at 100℃; under 41404.1 Torr; for 3h; Product distribution / selectivity;
potassium carbonate at 100℃; under 41404.1 Torr; for 3h; Product distribution / selectivity;
5-chloromethylfurfural
1623-88-7

5-chloromethylfurfural

ethanol
64-17-5

ethanol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
at 160℃; for 0.5h; Sealed vessel;85%
at 160℃; for 0.5h; sealed tube;84.7%
D-Fructose
57-48-7

D-Fructose

ethanol
64-17-5

ethanol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With poly(p-styrenesulfonic acid)-grafted carbon nanotubes at 120℃; for 24h; Reagent/catalyst; Sealed tube; Green chemistry; chemoselective reaction;84%
With 3-methyl-1-(4-sulfobutyl)imidazol-3-ium bis((trifluoromethyl)sulfonyl)azanide; naphthalene at 140℃;77%
With sulfated zirconia In glycerol at 210℃; for 4h;47.46%
With H-beta 19 at 150 - 160℃; under 15001.5 Torr; for 20h; Reagent/catalyst; Pressure; Autoclave; Inert atmosphere;48 %Chromat.
diiodomethane
75-11-6

diiodomethane

ethyl acetoacetate
141-97-9

ethyl acetoacetate

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
Stage #1: diiodomethane With diethylzinc; trifluoroacetic acid In dichloromethane for 0.5h;
Stage #2: ethyl acetoacetate In dichloromethane at 20℃; for 4h;
81%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

ethanol
64-17-5

ethanol

A

5-(ethoxymethyl)furfural
1917-65-3

5-(ethoxymethyl)furfural

B

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

C

formic acid ethyl ester
109-94-4

formic acid ethyl ester

Conditions
ConditionsYield
With sulfuric acid at 75℃; for 24h; Reagent/catalyst; Temperature; Sealed tube;A 81%
B 16%
C n/a
D-fructose
470-23-5

D-fructose

ethanol
64-17-5

ethanol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With 3C12H30N2O6S2(2+)*2O40PW12(3-) at 120℃; for 12h; Reagent/catalyst;80%
With propylsulfonic acid functionalized phenyl bridged organosilicacore/ silica shell structured nanosphere-2 at 140℃; for 4h; Reagent/catalyst; Autoclave;
With per-rhenic acid at 160℃; for 16h; Reagent/catalyst; Concentration; Temperature; Time; Schlenk technique;80 %Spectr.
(2-furyl)methyl alcohol
98-00-0

(2-furyl)methyl alcohol

ethanol
64-17-5

ethanol

A

2-(ethoxymethyl)furan
6270-56-0

2-(ethoxymethyl)furan

B

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With sulfonic acid-functionalized MIL-101(Cr) at 140℃; for 2h; Temperature; Reagent/catalyst; Autoclave;A n/a
B 79.2%
With hierarchical-HZ-5 at 99.84℃; for 4h; Catalytic behavior; Green chemistry;A 26%
B 73%
With hierarchical-HZ-5 at 99.84℃; for 4h; Catalytic behavior; Green chemistry;A 49%
B 41%
D-Fructose
57-48-7

D-Fructose

ethanol
64-17-5

ethanol

A

5-(ethoxymethyl)furfural
1917-65-3

5-(ethoxymethyl)furfural

B

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With poly(p-styrenesulfonic acid)-grafted carbon nanotubes at 100℃; for 12h; Sealed tube; Green chemistry; chemoselective reaction;A n/a
B 79%
With dual acidic Glu-TsOH-Ti catalyst at 120℃; for 30h;A 66%
B 18%
In hexane at 100℃; for 1.33333h; Ionic liquid; Sealed tube; Green chemistry;A 54%
B 6%
ethanol
64-17-5

ethanol

levulinic acid
123-76-2

levulinic acid

A

5-methyl-5H-furan-2-one
591-11-7

5-methyl-5H-furan-2-one

B

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With tin modified silicotungstic acid/Ta2O5 at 70℃; for 3h; Catalytic behavior; Reagent/catalyst;A n/a
B 78%
ethanol
64-17-5

ethanol

5-ketohexanoic acid
3128-06-1

5-ketohexanoic acid

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With 5-isopropyl-2-methylbenzenesulfonic acid In Isopropylbenzene at 50℃; for 20h;76%
With Amberlyst-15 at 77℃; for 23h; Reagent/catalyst;75%
With H-ZSM-5
With amberlyst36 at 75℃; for 3h; Inert atmosphere;65.8 %Chromat.
1-tributylstannanyl-propan-2-one
14583-98-3

1-tributylstannanyl-propan-2-one

chloroacetic acid ethyl ester
105-39-5

chloroacetic acid ethyl ester

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide In benzene at 25℃; for 24h;75%
1-tributylstannanyl-propan-2-one
14583-98-3

1-tributylstannanyl-propan-2-one

ethyl iodoacetae
623-48-3

ethyl iodoacetae

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
In benzene for 1h; Ambient temperature; Irradiation;74%
5-bromomethyl-furan-2-carbaldehyde
39131-44-7

5-bromomethyl-furan-2-carbaldehyde

ethanol
64-17-5

ethanol

A

5-(ethoxymethyl)furfural
1917-65-3

5-(ethoxymethyl)furfural

B

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With calcium carbonate for 1h; Reflux;A 74%
B 6%
In water at 70℃; for 0.5h; Overall yield = 98 %;
D-fructose
470-23-5

D-fructose

ethanol
64-17-5

ethanol

A

5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

B

5-(ethoxymethyl)furfural
1917-65-3

5-(ethoxymethyl)furfural

C

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With SO3H-CD carbon In tetrahydrofuran at 120℃; for 6h; Catalytic behavior; Temperature; Time; Solvent; Reagent/catalyst; Sonication;A n/a
B 74%
C n/a
With alkaline lignin acidic carbonaceous catalyst at 110℃; for 15h; Sealed tube;A 7.4%
B 55.9%
C 8.1%
With sulfuric acid at 110℃; for 15h; Sealed tube;A 8.4%
B 49.8%
C 7.3%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With divinylbenzene polymer with acid ionic liquid In ethanol at 150℃; under 760.051 Torr; for 12h; Solvent; Inert atmosphere;73%
3-Oxo-2-trimethylstannanylmethyl-butyric acid ethyl ester

3-Oxo-2-trimethylstannanylmethyl-butyric acid ethyl ester

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With niobium pentachloride72%
5-hydroxymethyl-2-furfuraldehyde
67-47-0

5-hydroxymethyl-2-furfuraldehyde

ethanol
64-17-5

ethanol

A

2-(diethoxymethyl)-5-(ethoxymethyl)furan
38641-99-5

2-(diethoxymethyl)-5-(ethoxymethyl)furan

B

5-(ethoxymethyl)furfural
1917-65-3

5-(ethoxymethyl)furfural

C

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With Amberlyst-15 resin at 110℃; Sealed tube;A 10%
B 71%
C 16%
With partially reduced graphene oxide (S-RGO) at 140℃; for 24h; Reagent/catalyst; Temperature;A 12%
B 58%
C 30%
With Amberlyst-15 resin at 75℃; for 24h; Sealed tube;A 27%
B 52%
C 8%
ethanol
64-17-5

ethanol

fructopyranose
6347-01-9

fructopyranose

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
With titanium(IV) oxide at 150℃; under 15001.5 Torr; for 3h; Inert atmosphere; Green chemistry;71%
ethyl 3-(chloroformyl)propionate
14794-31-1

ethyl 3-(chloroformyl)propionate

methylmagnesium bromide
75-16-1

methylmagnesium bromide

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Conditions
ConditionsYield
Stage #1: methylmagnesium bromide With tributylphosphine In tetrahydrofuran at 20℃;
Stage #2: ethyl 3-(chloroformyl)propionate In tetrahydrofuran at -40℃; for 0.333333h;
70%
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

ethyl (S)-4-hydroxypentanoate
99631-16-0

ethyl (S)-4-hydroxypentanoate

Conditions
ConditionsYield
With magnesium chloride In isopropyl alcohol at 25℃; pH=7; Catalytic behavior;100%
With asymmetric dehydrogenase enzyme; NADPH4 at 20℃; for 24h; pH=6.8 - 7.2; Inert atmosphere; Enzymatic reaction; enantioselective reaction;74%
With recombinant alcohol dehydrogenase from Stenotrophomonas maltophilia SmADH2; isopropyl alcohol; NADH In aq. phosphate buffer at 30℃; pH=7; Green chemistry; Enzymatic reaction; stereoselective reaction;n/a
1,2-bis (triethylsilyloxy) ethane
13175-68-3

1,2-bis (triethylsilyloxy) ethane

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Ethyl levulinate ethylene ketal
941-43-5

Ethyl levulinate ethylene ketal

Conditions
ConditionsYield
With trimethylsilyl trifluoromethanesulfonate In dichloromethane at -78℃; for 4.5h;100%
cyclopenta-1,3-diene
542-92-7

cyclopenta-1,3-diene

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

ethyl 4-(2,4-cyclopentadien-1-ylidene)valerate
1190404-31-9

ethyl 4-(2,4-cyclopentadien-1-ylidene)valerate

Conditions
ConditionsYield
Stage #1: cyclopenta-1,3-diene; 4-oxopentanoic acid ethyl ester With pyrrolidine In methanol at 20℃; Inert atmosphere;
Stage #2: With acetic acid In methanol for 0.15h;
100%
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

aniline
62-53-3

aniline

5-methyl-1-phenylpyrrolidin-2-one
6724-71-6

5-methyl-1-phenylpyrrolidin-2-one

Conditions
ConditionsYield
With platinum doped titanium oxide; hydrogen In neat (no solvent) at 150℃; under 3750.38 Torr; for 18h; Time; Temperature; Pressure; chemoselective reaction;100%
With platinum doped titanium oxide; hydrogen In neat (no solvent) at 450℃; under 7500.75 Torr; Kinetics; Reagent/catalyst; Calcination; chemoselective reaction;
Multi-step reaction with 2 steps
1: / neat (no solvent) / Green chemistry
2: hydrogen; / neat (no solvent) / 12 h / 85 °C / 760.05 Torr / Green chemistry
View Scheme
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

adenosine
58-61-7

adenosine

ethyl 3-[4-hydroxymethyl-2-methyl-6-(6-oxo-1,6-dihydropurin-9-yl)tetrahydrofuro[3,4-d][1,3]dioxol-2-yl]propionate

ethyl 3-[4-hydroxymethyl-2-methyl-6-(6-oxo-1,6-dihydropurin-9-yl)tetrahydrofuro[3,4-d][1,3]dioxol-2-yl]propionate

Conditions
ConditionsYield
Stage #1: 4-oxopentanoic acid ethyl ester; adenosine With hydrogenchloride; orthoformic acid triethyl ester In 1,4-dioxane; N,N-dimethyl-formamide at 20℃;
Stage #2: With calf intestine adenosine deaminase In water; glycerol at 20℃; for 72h; Enzymatic reaction;
100%
propylene glycol
57-55-6

propylene glycol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

2,4-dimethyl-1,3-dioxolane-2-propionic acid ethyl ester
5413-49-0

2,4-dimethyl-1,3-dioxolane-2-propionic acid ethyl ester

Conditions
ConditionsYield
sulfuric acid In water at 95 - 106℃; under 30 - 80 Torr; Product distribution / selectivity;99.8%
With sulfuric acid at 110 - 170℃; under 10 - 15 Torr;
ethanolamine
141-43-5

ethanolamine

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

(7aRS)-5-oxo-7a-methyl-2,3,5,6,7,7a-hexahydropyrrolo<2,1-b>oxazole
136749-84-3

(7aRS)-5-oxo-7a-methyl-2,3,5,6,7,7a-hexahydropyrrolo<2,1-b>oxazole

Conditions
ConditionsYield
With 3 A molecular sieve In methanol for 48h; Ambient temperature;99%
In toluene Heating;53%
With potassium carbonate In toluene for 36h; Heating;40%
In toluene at 110℃; for 24h;
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

5-methyl-dihydro-furan-2-one
108-29-2

5-methyl-dihydro-furan-2-one

Conditions
ConditionsYield
With iron(II) triflate; formic acid; tris(2-diphenylphosphinoethyl)phosphine In 1,4-dioxane at 140℃; for 24h; Reagent/catalyst; Temperature;99%
With hydrogen In ethanol at 200℃; under 45004.5 Torr; for 6h; Reagent/catalyst; Temperature; Pressure; Solvent; Time; Autoclave;99%
With formic acid; triphenylphosphine In tetrahydrofuran at 160℃; for 8h;99%
(E)-N-(2,6-dimethylphenyl)-2-phenyl-3H-3-iminoindole

(E)-N-(2,6-dimethylphenyl)-2-phenyl-3H-3-iminoindole

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

ethyl (S,E)-5-(3-((2,6-dimethylphenyl)imino)-2-phenylindolin-2-yl)-4-oxopen tanoate

ethyl (S,E)-5-(3-((2,6-dimethylphenyl)imino)-2-phenylindolin-2-yl)-4-oxopen tanoate

Conditions
ConditionsYield
With L-proline In dimethyl sulfoxide at 20℃; for 168h; Mannich Aminomethylation; enantioselective reaction;99%
ethylene glycol
107-21-1

ethylene glycol

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Ethyl levulinate ethylene ketal
941-43-5

Ethyl levulinate ethylene ketal

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 18h; Heating;98%
With toluene-4-sulfonic acid In benzene Inert atmosphere;98%
Stage #1: ethylene glycol With toluene-4-sulfonic acid In benzene for 1h; Reflux; Dean-Stark; Inert atmosphere;
Stage #2: 4-oxopentanoic acid ethyl ester In benzene for 18h; Reflux; Dean-Stark; Inert atmosphere;
98%
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

Ethyl γ-hydroxyvalerate
6149-46-8

Ethyl γ-hydroxyvalerate

Conditions
ConditionsYield
With methanol; sodium tetrahydroborate In tetrahydrofuran at 0 - 5℃; for 2h;98%
With sodium tetrahydroborate In tetrahydrofuran; water95%
With nickel at 100℃; under 88260.9 Torr; Hydrogenation;
n-Octylamine
111-86-4

n-Octylamine

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

5-methyl-1-octyl-pyrrolidin-2-one

5-methyl-1-octyl-pyrrolidin-2-one

Conditions
ConditionsYield
With platinum doped titanium oxide; hydrogen In neat (no solvent) at 120℃; under 7500.75 Torr; for 2h; chemoselective reaction;98%
With platinum on carbon; hydrogen In methanol at 25℃; for 10h;93%
Multi-step reaction with 2 steps
1: / neat (no solvent) / Green chemistry
2: hydrogen; / neat (no solvent) / 12 h / 85 °C / 760.05 Torr / Green chemistry
View Scheme
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

2,2-Dimethyl-1,3-propanediol
126-30-7

2,2-Dimethyl-1,3-propanediol

3-(2,5,5-trimethyl-[1,3]dioxan-2-yl)-propionic acid ethyl ester
16837-24-4

3-(2,5,5-trimethyl-[1,3]dioxan-2-yl)-propionic acid ethyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid; orthoformic acid triethyl ester In dichloromethane at 20℃; for 19h; Inert atmosphere;98%
With toluene-4-sulfonic acid; orthoformic acid triethyl ester In dichloromethane Inert atmosphere;98%
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

2-methyltetrahydrofuran
96-47-9

2-methyltetrahydrofuran

Conditions
ConditionsYield
With hydrogen In hexane at 180℃; for 4h; Temperature; Reagent/catalyst; Solvent; Autoclave;98%
Multi-step reaction with 2 steps
1: hydrogen / 1,4-dioxane / 2 h / 190 °C / 30003 Torr / Autoclave
2: hydrogen / 1,4-dioxane / 5 h / 190 °C / 30003 Torr / Autoclave
View Scheme
Multi-step reaction with 2 steps
1: hydrogen / 1,4-dioxane / 2 h / 190 °C / 30003 Torr / Autoclave
2: hydrogen / 1,4-dioxane / 5 h / 190 °C / 30003 Torr / Autoclave
View Scheme
N2-(propargyl)guanosine

N2-(propargyl)guanosine

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

N2-propargyl-2’,3’-O-[1-[2-(ethoxycarbonyl)ethyl]ethylidene]guanosine

N2-propargyl-2’,3’-O-[1-[2-(ethoxycarbonyl)ethyl]ethylidene]guanosine

Conditions
ConditionsYield
With toluene-4-sulfonic acid; orthoformic acid triethyl ester for 5h;97%
N-(4-methoxyphenyl)-N-[1-(2-phenylethyl)-piperidin-4-yl]-hydrazine
1184873-21-9

N-(4-methoxyphenyl)-N-[1-(2-phenylethyl)-piperidin-4-yl]-hydrazine

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

C27H37N3O3
1184873-27-5

C27H37N3O3

Conditions
ConditionsYield
With acetic acid In toluene Reflux;96.1%
N-[1-(2-phenylethyl)-piperidin-4-yl]-N-phenyl-hydrazine
1184873-19-5

N-[1-(2-phenylethyl)-piperidin-4-yl]-N-phenyl-hydrazine

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

C26H35N3O2
1184873-24-2

C26H35N3O2

Conditions
ConditionsYield
With acetic acid In toluene Reflux;95.2%
1-Heptylamine
111-68-2

1-Heptylamine

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

5-methyl-1-heptyl-2-pyrrolidone

5-methyl-1-heptyl-2-pyrrolidone

Conditions
ConditionsYield
With hydrogen; 5%-palladium/activated carbon at 25 - 150℃; under 4657.97 Torr; for 1h; Product distribution / selectivity;95.01%
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

1,4-Pentanediol
626-95-9

1,4-Pentanediol

Conditions
ConditionsYield
Stage #1: 4-oxopentanoic acid ethyl ester With cesium hydroxide; phenylsilane In 2-methyltetrahydrofuran at 25℃; for 6h; Green chemistry;
Stage #2: With ethanol In 2-methyltetrahydrofuran at 80℃; for 2h; Kinetics; Green chemistry; chemoselective reaction;
95%
With copper chromite at 250℃; under 147102 Torr; Hydrogenation;
With lithium aluminium tetrahydride In diethyl ether
3-(tetrahydropyran-2'-yloxy)propyne
6089-04-9

3-(tetrahydropyran-2'-yloxy)propyne

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

(5R*S*) 5-methyl-5-<3-<(tetrahydro-2H-pyran-2-yl)oxy>prop-1-ynyl> dihydrofuran-2-(3H)-one
167169-59-7

(5R*S*) 5-methyl-5-<3-<(tetrahydro-2H-pyran-2-yl)oxy>prop-1-ynyl> dihydrofuran-2-(3H)-one

Conditions
ConditionsYield
With hydrogenchloride; n-butyllithium In tetrahydrofuran; hexane 1.) RT, 30 min; 2.) -20 deg C, 15 h; 3.) 0 deg C;95%
With n-butyllithium; chloro-trimethyl-silane 1) THF, hexane, -78 deg C, 15 min then RT, 1 h, 2) THF, hexane, -78 deg C then -78 deg C to RT, 1 h, 3) THF, hexane, -78 deg C to RT, 20 h; Yield given. Multistep reaction;
dimedone
3471-13-4

dimedone

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

ethyl 1,4,7,8-tetrahydro-2,7,7-trimethyl-4-(4-nitrophenyl)-5(6H)-oxoquinoline-3-carboxylate

ethyl 1,4,7,8-tetrahydro-2,7,7-trimethyl-4-(4-nitrophenyl)-5(6H)-oxoquinoline-3-carboxylate

Conditions
ConditionsYield
With ammonium acetate In neat (no solvent) at 55℃; for 2.5h; Green chemistry;95%
phenethylamine
64-04-0

phenethylamine

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

5-Methyl-N-(phenethyl)-2-pyrrolidone

5-Methyl-N-(phenethyl)-2-pyrrolidone

Conditions
ConditionsYield
With platinum doped titanium oxide; hydrogen In neat (no solvent) at 120℃; under 7500.75 Torr; for 2h; chemoselective reaction;94%
With palladium on activated charcoal; ethanol at 60℃; Hydrogenation.Beim 6-taegigen Hydrieren;
Multi-step reaction with 2 steps
1: / neat (no solvent) / Green chemistry
2: hydrogen; / neat (no solvent) / 12 h / 85 °C / 760.05 Torr / Green chemistry
View Scheme
n-butyl magnesium bromide
693-03-8

n-butyl magnesium bromide

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

dihydro-5-butyl-5-methyl-2-(3H)-furanone
3285-00-5

dihydro-5-butyl-5-methyl-2-(3H)-furanone

Conditions
ConditionsYield
In diethyl ether; benzene at -5 - 0℃; for 0.25h;94%
With diethyl ether; benzene
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

ethyl 4,4-diethoxypentanoate
92557-39-6

ethyl 4,4-diethoxypentanoate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethanol at 145℃; under 3750.38 Torr; for 2h;94%
With sulfuric acid
4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

A

ethyl 4,4-diethoxypentanoate
92557-39-6

ethyl 4,4-diethoxypentanoate

B

formic acid ethyl ester
109-94-4

formic acid ethyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethanol at 145℃; ketalization;A 94%
B n/a
dimedone
3471-13-4

dimedone

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

4-oxopentanoic acid ethyl ester
539-88-8

4-oxopentanoic acid ethyl ester

ethyl 4-(4-chlorophenyl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate

ethyl 4-(4-chlorophenyl)-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate

Conditions
ConditionsYield
With ammonium acetate In neat (no solvent) at 55℃; for 3h; Green chemistry;94%

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