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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

5-ETHOXYFURAN-2(5H)-ONE

Cas:2833-30-9

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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 5-ethoxy-5H-furan-2-one

Cas:2833-30-9

Min.Order:1

Negotiable

Type:Other

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

5-ETHOXY-5H-FURAN-2-ONE CAS:2833-30-9

Cas:2833-30-9

Min.Order:1 Kilogram

FOB Price: $50.0 / 80.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

5-ETHOXY-5H-FURAN-2-ONE CAS:2833-30-9 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 i

5-ETHOXY-5H-FURAN-2-ONE CAS:2833-30-9

Cas:2833-30-9

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

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

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 present

5-Ethoxyfuran-2(5H)-one

Cas:2833-30-9

Min.Order:1 Gram

FOB Price: $2128.0

Type:Trading Company

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

5-Ethoxyfuran-2(5H)-one

Cas:2833-30-9

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

5-Ethoxyfuran-2(5H)-one

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Fine Chemicals Co., Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & CommercialHenan Fine Chemicals Co., LTD. is a diversified technology - oriented integrated company, which mainly concentrates on fine chemicals. Our company is committed to becom

5-ETHOXYFURAN-2(5H)-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai united Scientific Co.,Ltd.

United Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 5-ETHOXY-5H-FURAN-2-ONE, CAS:2833-30-9 with the most competitive price and the best q

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

2-ethoxy-2H-furan-5-one Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen

2-ethoxy-2H-furan-5-one

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Ruishun Trade Co.,Ltd

Supply top quality products with a reasonable price Application:api

2833-30-9

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemical Co.Ltd

Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NovaChemistry

high purity Application:Drug intermediates Materials intermediates and active molecules

2-ethoxy-2H-furan-5-one

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Rosvuznauka ASB

Molecular Formula: C6H8O3 Formula Weight: 128.13

5-ETHOXY-5H-FURAN-2-ONE

Cas:2833-30-9

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

furfural
98-01-1

furfural

ethanol
64-17-5

ethanol

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
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
6824-18-6

2,3,7-trioxa-bicyclo-<2.2.1>-hept-5-ene

ethanol
64-17-5

ethanol

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

3,4-epoxy-butyrolactone
82140-94-1, 94739-84-1

3,4-epoxy-butyrolactone

Conditions
ConditionsYield
In chloroform -20 deg C, then 20 deg C, 1 h;A n/a
B 15%
C n/a
furan
110-00-9

furan

ethanol
64-17-5

ethanol

A

2-ethoxyfuran
5809-07-4

2-ethoxyfuran

B

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

C

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

ethanol
64-17-5

ethanol

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

4-oxo-but-2-enoic acid ethyl ester
2960-66-9

4-oxo-but-2-enoic acid ethyl ester

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

ethanol
64-17-5

ethanol

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

trans-2-hydroxy-5-ethoxy-2,5-dihydrofuran

trans-2-hydroxy-5-ethoxy-2,5-dihydrofuran

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

ethanol
64-17-5

ethanol

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

cis-2-hydroxy-5-ethoxy-2,5-dihydrofuran

cis-2-hydroxy-5-ethoxy-2,5-dihydrofuran

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

ethanol
64-17-5

ethanol

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

trans-2,5-diethoxy-2,5-dihydrofuran

trans-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given;A 40 % Chromat.
B 12 % Chromat.
C 12%
D 5%
furan
110-00-9

furan

ethanol
64-17-5

ethanol

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

D

succinic acid diethyl ester
123-25-1

succinic acid diethyl ester

Conditions
ConditionsYield
With oxovanadium(IV) sulfate; dihydrogen peroxide at 20℃; for 6h; Further byproducts given;A 40 % Chromat.
B 12 % Chromat.
C 12%
D 1%
furan
110-00-9

furan

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

trans-β-formylacrylic acid
4437-06-3

trans-β-formylacrylic acid

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

2-buten-4-olide
497-23-4

2-buten-4-olide

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

cis-2,5-dihydroxy-2,5-dihydrofuran
87891-64-3

cis-2,5-dihydroxy-2,5-dihydrofuran

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

maleic acid
110-16-7

maleic acid

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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
110-00-9

furan

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

(2E)-but-2-enedioic acid
110-17-8

(2E)-but-2-enedioic acid

D

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
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%
furan
110-00-9

furan

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

cis-2,5-diethoxy-2,5-dihydrofuran

cis-2,5-diethoxy-2,5-dihydrofuran

trans-2,5-diethoxy-2,5-dihydrofuran

trans-2,5-diethoxy-2,5-dihydrofuran

Conditions
ConditionsYield
With oxovanadium(IV) sulfate; ethanol; dihydrogen peroxide at 20℃; for 6h; Further byproducts given;A 40 % Chromat.
B 10%
C 12%
D 5%
furan
110-00-9

furan

ethanol
64-17-5

ethanol

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
With oxygen in Gegenwart von Eosin;
furan
110-00-9

furan

ethanol
64-17-5

ethanol

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
With oxygen at 20℃;
furan
110-00-9

furan

A

5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
With oxygen In ethanol at 20℃; Irradiation;
5-hydroxy-2-(5H)-furanone
14032-66-7

5-hydroxy-2-(5H)-furanone

ethanol
64-17-5

ethanol

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
In chloroform at 70℃; Yield given;
(furan-2-yloxy)-trimethylsilane
61550-02-5

(furan-2-yloxy)-trimethylsilane

ethanol
64-17-5

ethanol

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Conditions
ConditionsYield
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
5663-62-7

N-(furan-2-ylmethyl)acetamide

ethanol
64-17-5

ethanol

oxygen

oxygen

A

acetamide
60-35-5

acetamide

B

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

C

N,N-methylenediacetamide
3852-14-0

N,N-methylenediacetamide

Conditions
ConditionsYield
photosensibilisierte Reaktion;
furfural
98-01-1

furfural

oxygen

oxygen

A

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

B

formic acid ethyl ester
109-94-4

formic acid ethyl ester

Conditions
ConditionsYield
photosensibilisierte Reaktion;
furfural
98-01-1

furfural

ethanol
64-17-5

ethanol

A

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

B

2-buten-4-olide
497-23-4

2-buten-4-olide

C

diethyl Fumarate
623-91-6

diethyl Fumarate

D

Diethyl maleate
141-05-9

Diethyl maleate

Conditions
ConditionsYield
Stage #1: furfural With vanadyl sulfate trihydrate; ethanol; dihydrogen peroxide at 60℃;
Stage #2: ethanol With benzenesulfonic acid In chloroform Heating;
3-bromo-5-ethoxyfuran-2(5H)-one

3-bromo-5-ethoxyfuran-2(5H)-one

A

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

B

C6H7BrO3

C6H7BrO3

C

C6H7BrO3

C6H7BrO3

Conditions
ConditionsYield
With OPR3; NADH In aq. buffer at 30℃; pH=7.5; Enzymatic reaction;A n/a
B n/a
C n/a
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

2-nitrobenzamide
610-15-1

2-nitrobenzamide

2-Nitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

2-Nitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;85%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

benzamide
55-21-0

benzamide

5-Benzoylamino-Δ3-oxolin-2-on
62668-57-9

5-Benzoylamino-Δ3-oxolin-2-on

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;85%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

4-bromo-5-ethoxyfuran-2(5H)-one
32978-38-4

4-bromo-5-ethoxyfuran-2(5H)-one

Conditions
ConditionsYield
With bromine In tetrachloromethane at 0 - 20℃; for 3.5h;82%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

ruthenium
7440-18-8

ruthenium

4-bromo-5-ethoxyfuran-2(5H)-one
32978-38-4

4-bromo-5-ethoxyfuran-2(5H)-one

Conditions
ConditionsYield
With bromine In tetrachloromethane82%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

4-methoxyphenylacetamide
3424-93-9

4-methoxyphenylacetamide

4-Methoxy-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

4-Methoxy-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;80%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

urea
57-13-6

urea

(5-Oxo-2,5-dihydro-furan-2-yl)-urea

(5-Oxo-2,5-dihydro-furan-2-yl)-urea

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;80%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

4-nitrobenzamide
619-80-7

4-nitrobenzamide

4-Nitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

4-Nitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;80%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

4-chlorobenzamide
619-56-7

4-chlorobenzamide

4-Chloro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

4-Chloro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;80%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

3,5-dinitrobenzamide
121-81-3

3,5-dinitrobenzamide

3,5-Dinitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

3,5-Dinitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;75%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

3,4-dinitro-benzoic acid amide
98604-39-8

3,4-dinitro-benzoic acid amide

3,4-Dinitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

3,4-Dinitro-N-(5-oxo-2,5-dihydro-furan-2-yl)-benzamide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;75%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

trimethylsilylazide
4648-54-8

trimethylsilylazide

1,8-diazabicyclo[5.4.0]undec-7-ene
6674-22-2

1,8-diazabicyclo[5.4.0]undec-7-ene

4-azido-5-ethoxy-dihydrofuran-2-one

4-azido-5-ethoxy-dihydrofuran-2-one

Conditions
ConditionsYield
With acetic acid In dichloromethane73%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Cyclopentanol
96-41-3

Cyclopentanol

(4S,5R)-5-ethoxy-4-(1-hydroxycyclopentyl)dihydrofuran-2(3H)-one

(4S,5R)-5-ethoxy-4-(1-hydroxycyclopentyl)dihydrofuran-2(3H)-one

Conditions
ConditionsYield
With bis(p-methoxyphenyl)methanone UV-irradiation;73%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

methacrylic acid methyl ester
80-62-6

methacrylic acid methyl ester

Copolymer, molecular weight 4000 amu, monomeric units - butenolide and vinyl compound - ratio in product 5:95, intrinsic viscosity 0.023 dl/g

Copolymer, molecular weight 4000 amu, monomeric units - butenolide and vinyl compound - ratio in product 5:95, intrinsic viscosity 0.023 dl/g

Conditions
ConditionsYield
With dibenzoyl peroxide at 80℃; for 4.5h; Polymerization;68%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

undecanamide
2244-06-6

undecanamide

Undecanoic acid (5-oxo-2,5-dihydro-furan-2-yl)-amide

Undecanoic acid (5-oxo-2,5-dihydro-furan-2-yl)-amide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;65%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Palmitamide
629-54-9

Palmitamide

Hexadecanoic acid (5-oxo-2,5-dihydro-furan-2-yl)-amide

Hexadecanoic acid (5-oxo-2,5-dihydro-furan-2-yl)-amide

Conditions
ConditionsYield
With hydrogenchloride at 80℃; for 0.0833333h;65%
styrene
292638-84-7

styrene

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

Copolymer, molecular weight 3990 amu, monomeric units - butenolide and vinyl compound - ratio in product 4:96, intrinsic viscosity 0.025 dl/g

Copolymer, molecular weight 3990 amu, monomeric units - butenolide and vinyl compound - ratio in product 4:96, intrinsic viscosity 0.025 dl/g

Conditions
ConditionsYield
With dibenzoyl peroxide at 80℃; for 9h; Polymerization;64%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

benzohydroximoyl chloride
698-16-8

benzohydroximoyl chloride

3-phenyl-4-oxo-6-ethoxy-3a,4,6,6a-tetrahydrofuro<3,4-d>-isoxazole
113003-50-2

3-phenyl-4-oxo-6-ethoxy-3a,4,6,6a-tetrahydrofuro<3,4-d>-isoxazole

Conditions
ConditionsYield
With triethylamine In diethyl ether Ambient temperature; overnight;61%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

vinyl acetate
108-05-4

vinyl acetate

Copolymer, molecular weight 4570 amu, monomeric units - butenolide and vinyl compound - ratio in product 60:40, intrinsic viscosity 0.022 dl/g

Copolymer, molecular weight 4570 amu, monomeric units - butenolide and vinyl compound - ratio in product 60:40, intrinsic viscosity 0.022 dl/g

Conditions
ConditionsYield
With dibenzoyl peroxide at 80℃; for 4.5h; Polymerization;61%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

isopropyl alcohol
67-63-0

isopropyl alcohol

(4S,5R)-5-ethoxy-4-(2-hydroxypropan-2-yl)-dihydrofuran-2(3H)-one

(4S,5R)-5-ethoxy-4-(2-hydroxypropan-2-yl)-dihydrofuran-2(3H)-one

Conditions
ConditionsYield
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
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

2-benzyl-buta-2,3-dienoic acid ethyl ester
433733-19-8

2-benzyl-buta-2,3-dienoic acid ethyl ester

5-ethoxy-4-[1-benzyl-1-(ethoxycarbonyl)ethynyl]dihydrofuran-2(3H)-one

5-ethoxy-4-[1-benzyl-1-(ethoxycarbonyl)ethynyl]dihydrofuran-2(3H)-one

Conditions
ConditionsYield
With sodium benzenesulfonate In N,N-dimethyl-formamide at 20℃; for 24h;60%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

4-chlorobenzohydroximoyl chloride
28123-63-9

4-chlorobenzohydroximoyl chloride

(3aS,6R,6aR)-3-(4-Chloro-phenyl)-6-ethoxy-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one
113003-51-3

(3aS,6R,6aR)-3-(4-Chloro-phenyl)-6-ethoxy-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one

Conditions
ConditionsYield
With triethylamine In diethyl ether Ambient temperature; overnight;57%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

phenyllithium
591-51-5

phenyllithium

A

2,5-diphenylfuran
955-83-9

2,5-diphenylfuran

B

hydroxy-2 diphenyl-5,5 dihydro-2,5 furanne
85704-21-8

hydroxy-2 diphenyl-5,5 dihydro-2,5 furanne

Conditions
ConditionsYield
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
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

2-pentanol
584-02-1

2-pentanol

(4S,5R)-5-ethoxy-4-(3-hydroxypentan-3-yl)dihydrofuran-2(3H)-one

(4S,5R)-5-ethoxy-4-(3-hydroxypentan-3-yl)dihydrofuran-2(3H)-one

Conditions
ConditionsYield
With bis(p-methoxyphenyl)methanone UV-irradiation;57%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

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

n-butyllithium

A

2,5-di(n-butyl)furan
72636-53-4

2,5-di(n-butyl)furan

B

hydroxy-2 di-n-butyl-5,5 dihydro-2,5 furanne
85704-19-4

hydroxy-2 di-n-butyl-5,5 dihydro-2,5 furanne

Conditions
ConditionsYield
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
60-35-5

acetamide

5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

4-acetamido-4-hydroxy-2-butenoic acid γ-lactone
16275-44-8

4-acetamido-4-hydroxy-2-butenoic acid γ-lactone

Conditions
ConditionsYield
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
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

N-hydroxy-4-methylbenzenecarboximidoyl chloride
36288-37-6

N-hydroxy-4-methylbenzenecarboximidoyl chloride

(3aS,6R,6aR)-6-Ethoxy-3-p-tolyl-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one
113003-55-7

(3aS,6R,6aR)-6-Ethoxy-3-p-tolyl-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one

Conditions
ConditionsYield
With triethylamine In diethyl ether Ambient temperature; overnight;40%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

3-chloro-N-hydroxybenzimidoyl chloride
29203-59-6

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
113003-53-5

(3aR,6S,6aS)-3-(3-Chloro-phenyl)-6-ethoxy-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one

Conditions
ConditionsYield
With triethylamine In diethyl ether Ambient temperature; overnight;40%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

anthracene-9-carbonitrile N-oxide
2904-61-2

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
113003-56-8

(3aS,6R,6aR)-3-Anthracen-9-yl-6-ethoxy-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one

Conditions
ConditionsYield
In benzene at 80℃; for 4h;40%
5-ethoxy-2,5-dihydrofuran-2-one
2833-30-9

5-ethoxy-2,5-dihydrofuran-2-one

N-hydroxyfuran-2-carbimidoyl chloride
53945-98-5

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
113003-57-9

(3aR,6S,6aS)-6-Ethoxy-3-furan-2-yl-6,6a-dihydro-3aH-furo[3,4-d]isoxazol-4-one

Conditions
ConditionsYield
With triethylamine In diethyl ether Ambient temperature; overnight;40%

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