Products

Refine

Country

Business Type

Certificate

Display

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

Tetronic acid

Cas:4971-56-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

Tetronic acid

Cas:4971-56-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

TETRONIC ACID Basic information Product Name: TETRONIC ACID Synonyms: TIMTEC-BB SBB008561;TETRONIC ACID;TETRAHYDROFURAN-2,4-DIONE;4-HYDROXY-5(H)FURAN-2-ONE;Butanoic acid, 4-hydroxy-3-oxo

Tetronic acid 4971-56-6

Cas:4971-56-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Pharmaceutical Grade CAS 4971-56-6 with competitive price

Cas:4971-56-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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

2,4(3H,5H)-Furandione

Cas:4971-56-6

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

2,4(3H,5H)-Furandione

Cas:4971-56-6

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

CAS NO.:4971-56-6

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

TETRONIC ACID

Cas:4971-56-6

Min.Order:1 Gram

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

2,4(3H,5H)-Furandione

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

TETRONIC ACID

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Tetronic Acid

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

2,4(3H,5H)-Furandione

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Tetronic Acid

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

Tetrahydrofuran-2,4-dione

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

High quality Tetronic acid cas NO.: 4971-56-6

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Other

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

2,4(3H,5H)-Furandione

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

Tetronic acid CAS NO.4971-56-6 Application:Tetronic acid CAS NO.4971-56-6

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Other

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

4971-56-6

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

TETRONIC ACIDAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express

TETRONIC ACID

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

Tetronicacid

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta

TETRONIC ACID

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home an

tronic acid?manufature

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

4971-56-6 Application:intermediate

Tetronic acid

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

Tetronic acid CAS NO.4971-56-6Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amoun

Tetronic acid CAS NO.4971-56-6

Cas:4971-56-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

ethyl (2-chloroaceto)acetate
638-07-3

ethyl (2-chloroaceto)acetate

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With potassium acetate; acetic acid at 80 - 90℃; for 12h;45%
3-bromo-furan-2,4-dione
1192-50-3

3-bromo-furan-2,4-dione

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With sodium carbonate Behandeln mit Natriumamalgam unter Einleiten von Kohlendioxyd und anschliessend Behandeln mit Schwefelsaeure;
With sodium carbonate anschliessend Hydrierung an Palladium/Kohle;
3-bromo-furan-2,4-dione
1192-50-3

3-bromo-furan-2,4-dione

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

[3,3']bifuryl-2,4,2',4'-tetraone
167644-70-4

[3,3']bifuryl-2,4,2',4'-tetraone

Conditions
ConditionsYield
With sodium amalgam
ethanol
64-17-5

ethanol

2,2-bis-(2,4-dioxo-tetrahydro-[3]furyl)-propane

2,2-bis-(2,4-dioxo-tetrahydro-[3]furyl)-propane

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

acetone
67-64-1

acetone

2,4-dioxo-tetrahydro-furan-3-carboxylic acid ethyl ester
36717-62-1

2,4-dioxo-tetrahydro-furan-3-carboxylic acid ethyl ester

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With sodium hydroxide Ansaeuern mit wss. Salzsaeure;
4-(phenylamino)furan-2(5H)-one
22273-65-0

4-(phenylamino)furan-2(5H)-one

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

aniline
62-53-3

aniline

Conditions
ConditionsYield
With water at 25℃; Rate constant; Mechanism;
4-oxo-2-imino-tetrahydrofuran-carboxylic acid-(3)

4-oxo-2-imino-tetrahydrofuran-carboxylic acid-(3)

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With sulfuric acid
2,4-dioxo-tetrahydro-furan-3-carboxylic acid methyl ester

2,4-dioxo-tetrahydro-furan-3-carboxylic acid methyl ester

aqueous-methanolic NaOH-solution

aqueous-methanolic NaOH-solution

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

barium salt of/the/ tetronic acid α-carboxylic acid

barium salt of/the/ tetronic acid α-carboxylic acid

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With sulfuric acid
bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

magnesium compound of bromoacetic acid benzyl ester

magnesium compound of bromoacetic acid benzyl ester

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-bromo-3-chloro-furan-2,4-dione

3-bromo-3-chloro-furan-2,4-dione

sodium amalgam

sodium amalgam

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

tetronic acid α-carboxylic acid methyl ester

tetronic acid α-carboxylic acid methyl ester

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With sodium hydroxide
hydrogenchloride
7647-01-0

hydrogenchloride

furan-2,4-dione-4-oxime

furan-2,4-dione-4-oxime

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

hydroxylamine
7803-49-8

hydroxylamine

4-hydroxy-2-iodo-acetoacetic acid-lactone

4-hydroxy-2-iodo-acetoacetic acid-lactone

acidified potassium iodide solution

acidified potassium iodide solution

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

iodine
7553-56-2

iodine

hydrogenchloride
7647-01-0

hydrogenchloride

4-hydroxy-3-phenylimino-butyric acid-lactone
63464-79-9

4-hydroxy-3-phenylimino-butyric acid-lactone

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

aniline
62-53-3

aniline

hydrogenchloride
7647-01-0

hydrogenchloride

furan-2,4-dione-4-phenylhydrazone
114187-91-6

furan-2,4-dione-4-phenylhydrazone

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

phenylhydrazine
100-63-0

phenylhydrazine

2,2-bis-(2,4-dioxo-tetrahydro-[3]furyl)-propane

2,2-bis-(2,4-dioxo-tetrahydro-[3]furyl)-propane

alkalies

alkalies

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

acetone
67-64-1

acetone

2,2-bis-(2,4-dioxo-tetrahydro-[3]furyl)-propane

2,2-bis-(2,4-dioxo-tetrahydro-[3]furyl)-propane

alkaline earth carbonates

alkaline earth carbonates

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

acetone
67-64-1

acetone

3-bromo-furan-2,4-dione
1192-50-3

3-bromo-furan-2,4-dione

sodium amalgam

sodium amalgam

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

anhydrotetronic acid

anhydrotetronic acid

sulfuric acid
7664-93-9

sulfuric acid

2-imino-4-oxo-tetrahydro-furan-3-carboxylic acid

2-imino-4-oxo-tetrahydro-furan-3-carboxylic acid

A

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

B

tetronic acid α-carboxylic acid

tetronic acid α-carboxylic acid

4-bromoethyl acetoacetate
13176-46-0

4-bromoethyl acetoacetate

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With potassium acetate; acetic acid In dichloromethane at 80 - 85℃; for 5h;
ethyl 4-(tert-butoxy)-3-oxobutanoate
67354-35-2

ethyl 4-(tert-butoxy)-3-oxobutanoate

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

Conditions
ConditionsYield
With hydrogenchloride In acetic acid at 20 - 30℃; for 1h;
With hydrogenchloride; acetic acid at 20℃; for 3h;
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

(2-nitroethenyl)benzene
102-96-5

(2-nitroethenyl)benzene

3-(2-nitro-1-phenylethyl)furan-2,4(3H,5H)-dione

3-(2-nitro-1-phenylethyl)furan-2,4(3H,5H)-dione

Conditions
ConditionsYield
at 20℃; Michael addition; Neat (no solvent); Grinding; optical yield given as %de; diastereoselective reaction;99%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

4-(p-toluenesulfonyloxy)-2(5H)-furanone
471931-08-5

4-(p-toluenesulfonyloxy)-2(5H)-furanone

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 2h;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

5,5-dimethyl-3-(phenylamino)cyclohex-2-en-1-one
18940-21-1

5,5-dimethyl-3-(phenylamino)cyclohex-2-en-1-one

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

9-(4-chloro-phenyl)-6,6-dimethyl-4-phenyl-5,6,7,9-tetrahydro-3H,4H-furo[3,4-b]quinoline-1,8-dione

9-(4-chloro-phenyl)-6,6-dimethyl-4-phenyl-5,6,7,9-tetrahydro-3H,4H-furo[3,4-b]quinoline-1,8-dione

Conditions
ConditionsYield
With acetic acid at 100℃; for 0.133333h; microwave irradiation;98%
In acetic acid at 100℃; for 0.133333h; microwave irradiation;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
36646-78-3

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

C26H24FNO3

C26H24FNO3

Conditions
ConditionsYield
In acetic acid at 100℃; for 0.116667h; microwave irradiation;98%
3-(cyclopropylamino)-5,5-dimethylcyclohex-2-enone

3-(cyclopropylamino)-5,5-dimethylcyclohex-2-enone

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

C22H22FNO3

C22H22FNO3

Conditions
ConditionsYield
In acetic acid at 100℃; for 0.0833333h; microwave irradiation;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

naphthalen-2-ylamine
91-59-8

naphthalen-2-ylamine

C21H14BrNO2

C21H14BrNO2

Conditions
ConditionsYield
In water at 100℃; for 0.116667h; microwave irradiation;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

benzaldehyde
100-52-7

benzaldehyde

p-toluidine
106-49-0

p-toluidine

C18H15NO2

C18H15NO2

Conditions
ConditionsYield
In water at 100℃; for 0.0666667h; microwave irradiation;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1-Phenyl-3-methyl-5-aminopyrazole
1131-18-6

1-Phenyl-3-methyl-5-aminopyrazole

terephthalaldehyde,
623-27-8

terephthalaldehyde,

1,4-bis(3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridin-5-one-4-yl)benzene

1,4-bis(3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridin-5-one-4-yl)benzene

Conditions
ConditionsYield
With ethylene glycol at 100℃; for 0.0125h; microwave irradiation;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1-Phenyl-3-methyl-5-aminopyrazole
1131-18-6

1-Phenyl-3-methyl-5-aminopyrazole

Isophthalaldehyde
626-19-7

Isophthalaldehyde

1,3-bis(3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridin-5-one-4-yl)benzene

1,3-bis(3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridin-5-one-4-yl)benzene

Conditions
ConditionsYield
With ethylene glycol at 100℃; for 0.0125h; microwave irradiation;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1-Phenyl-3-methyl-5-aminopyrazole
1131-18-6

1-Phenyl-3-methyl-5-aminopyrazole

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

4-(4-chlorophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one
1049682-27-0

4-(4-chlorophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 25h;98%
In water at 100℃; for 0.0333333h; microwave irradiation;96%
With 1-n-butyl-3-methylimidazolim bromide at 95℃; for 2h;96%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1-Phenyl-3-methyl-5-aminopyrazole
1131-18-6

1-Phenyl-3-methyl-5-aminopyrazole

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

4-(4-nitrophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one
1049682-33-8

4-(4-nitrophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one

Conditions
ConditionsYield
In water at 100℃; for 0.0333333h; microwave irradiation;98%
With 1-n-butyl-3-methylimidazolim bromide at 95℃; for 3h;87%
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 30h;80%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1-Phenyl-3-methyl-5-aminopyrazole
1131-18-6

1-Phenyl-3-methyl-5-aminopyrazole

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

4-(4-bromophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one
1049682-29-2

4-(4-bromophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one

Conditions
ConditionsYield
With 1-n-butyl-3-methylimidazolim bromide at 95℃; for 2h;98%
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 20h;97%
In water at 100℃; for 0.0166667h; microwave irradiation;95%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1-Phenyl-3-methyl-5-aminopyrazole
1131-18-6

1-Phenyl-3-methyl-5-aminopyrazole

3,4-dimethoxy-benzaldehyde
120-14-9

3,4-dimethoxy-benzaldehyde

3-methyl-4-(3,4-dimethoxyphenyl)-1-phenyl-1H-furo[3,4-e]pyrazolo[3,4-b]pyridine-5(7H)-one
1173933-04-4

3-methyl-4-(3,4-dimethoxyphenyl)-1-phenyl-1H-furo[3,4-e]pyrazolo[3,4-b]pyridine-5(7H)-one

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride In water at 90℃; for 9h;98%
With 1-n-butyl-3-methylimidazolim bromide at 95℃; for 2h;91%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

4-bromo-aniline
106-40-1

4-bromo-aniline

4-((4-bromophenyl)amino)furan-2(5H)-one
1100695-03-1

4-((4-bromophenyl)amino)furan-2(5H)-one

Conditions
ConditionsYield
In acetonitrile for 0.666667h; Solvent; Temperature; Microwave irradiation; Reflux;98%
In 1,4-dioxane at 20℃;
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-Aminocrotononitrile
1118-61-2

3-Aminocrotononitrile

3-Chlorobenzaldehyde
587-04-2

3-Chlorobenzaldehyde

phenylhydrazine
100-63-0

phenylhydrazine

C21H16ClN3O2
1016225-37-8

C21H16ClN3O2

Conditions
ConditionsYield
Stage #1: tetrahydrofuran-2,4-dione; 3-Aminocrotononitrile; phenylhydrazine With aluminum potassium sulfate dodecahydrate at 70℃; for 0.0833333h; Ionic liquid; Green chemistry;
Stage #2: m-Chlorobenzaldehyde at 70℃; for 0.25h; Ionic liquid; Green chemistry;
98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-Aminocrotononitrile
1118-61-2

3-Aminocrotononitrile

4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

phenylhydrazine
100-63-0

phenylhydrazine

C21H16N4O4
1016225-38-9

C21H16N4O4

Conditions
ConditionsYield
Stage #1: tetrahydrofuran-2,4-dione; 3-Aminocrotononitrile; phenylhydrazine With aluminum potassium sulfate dodecahydrate at 70℃; for 0.0833333h; Ionic liquid; Green chemistry;
Stage #2: 4-nitrobenzaldehdye at 70℃; for 0.25h; Ionic liquid; Green chemistry;
98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-Aminocrotononitrile
1118-61-2

3-Aminocrotononitrile

benzaldehyde
100-52-7

benzaldehyde

phenylhydrazine
100-63-0

phenylhydrazine

C21H17N3O2
1190990-97-6

C21H17N3O2

Conditions
ConditionsYield
Stage #1: tetrahydrofuran-2,4-dione; 3-Aminocrotononitrile; phenylhydrazine With aluminum potassium sulfate dodecahydrate at 70℃; for 0.0833333h; Ionic liquid; Green chemistry;
Stage #2: benzaldehyde at 70℃; for 0.25h; Catalytic behavior; Reagent/catalyst; Ionic liquid; Green chemistry;
98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-Aminocrotononitrile
1118-61-2

3-Aminocrotononitrile

4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

phenylhydrazine
100-63-0

phenylhydrazine

C22H19N3O2
1016225-30-1

C22H19N3O2

Conditions
ConditionsYield
Stage #1: tetrahydrofuran-2,4-dione; 3-Aminocrotononitrile; phenylhydrazine With aluminum potassium sulfate dodecahydrate at 70℃; for 0.0833333h; Ionic liquid; Green chemistry;
Stage #2: 4-methyl-benzaldehyde at 70℃; for 0.25h; Ionic liquid; Green chemistry;
98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-Aminocrotononitrile
1118-61-2

3-Aminocrotononitrile

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

phenylhydrazine
100-63-0

phenylhydrazine

C21H17N3O3
1016225-32-3

C21H17N3O3

Conditions
ConditionsYield
Stage #1: tetrahydrofuran-2,4-dione; 3-Aminocrotononitrile; phenylhydrazine With aluminum potassium sulfate dodecahydrate at 70℃; for 0.0833333h; Ionic liquid; Green chemistry;
Stage #2: 4-hydroxy-benzaldehyde at 70℃; for 0.25h; Ionic liquid; Green chemistry;
98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

(2-amino-5-chlorophenyl)(phenyl)methanol
1159372-20-9

(2-amino-5-chlorophenyl)(phenyl)methanol

C17H12ClNO2
867068-08-4

C17H12ClNO2

Conditions
ConditionsYield
With zinc(II) chloride In toluene for 0.333333h; Microwave irradiation; Sealed tube; Heating;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1,1-diethyl (2R,3S)-2-formyl-3-phenylcyclopropane-1,1-dicarboxylate
1023303-72-1

1,1-diethyl (2R,3S)-2-formyl-3-phenylcyclopropane-1,1-dicarboxylate

diethyl (2R,3S)-2-((4-hydroxy-2-oxo-2,5-dihydrofuran-3-yl)methyl)-3-phenylcyclopropane-1,1-dicarboxylate

diethyl (2R,3S)-2-((4-hydroxy-2-oxo-2,5-dihydrofuran-3-yl)methyl)-3-phenylcyclopropane-1,1-dicarboxylate

Conditions
ConditionsYield
With diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; L-proline In dichloromethane at 25℃; for 0.5h; diastereoselective reaction;98%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
36646-78-3

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

6,6-dimethyl-9-(3-nitro-phenyl)-4-p-tolyl-5,6,7,9-tetrahydro-3H,4H-furo[3,4-b]quinoline-1,8-dione

6,6-dimethyl-9-(3-nitro-phenyl)-4-p-tolyl-5,6,7,9-tetrahydro-3H,4H-furo[3,4-b]quinoline-1,8-dione

Conditions
ConditionsYield
With acetic acid at 100℃; for 0.0833333h; microwave irradiation;97%
In acetic acid at 100℃; for 0.0833333h; microwave irradiation;97%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

2-((5,5-dimethyl-3-oxocyclohex-1-en-1-yl)amino)acetic acid
882-07-5

2-((5,5-dimethyl-3-oxocyclohex-1-en-1-yl)amino)acetic acid

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

[6,6-dimethyl-9-(3-nitro-phenyl)-1,8-dioxo-3,5,6,7,8,9-hexahydro-1H-furo[3,4-b]quinolin-4-yl]-acetic acid

[6,6-dimethyl-9-(3-nitro-phenyl)-1,8-dioxo-3,5,6,7,8,9-hexahydro-1H-furo[3,4-b]quinolin-4-yl]-acetic acid

Conditions
ConditionsYield
With acetic acid at 100℃; for 0.116667h; microwave irradiation;97%
In acetic acid at 100℃; for 0.116667h; microwave irradiation;97%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
36646-78-3

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

9-(4-methoxyphenyl)-6,6-dimethyl-4-p-tolyl-5,6,7,9-tetrahydrofuro[3,4-b]quinoline-1,8(3H,4H)-dione

9-(4-methoxyphenyl)-6,6-dimethyl-4-p-tolyl-5,6,7,9-tetrahydrofuro[3,4-b]quinoline-1,8(3H,4H)-dione

Conditions
ConditionsYield
With acetic acid at 100℃; for 0.0833333h; microwave irradiation;97%
In acetic acid at 100℃; for 0.0833333h; microwave irradiation;97%
With L-proline In ethanol at 80℃; for 2h;94%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
36646-78-3

3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone

benzaldehyde
100-52-7

benzaldehyde

C26H25NO3

C26H25NO3

Conditions
ConditionsYield
In acetic acid at 100℃; for 0.133333h; microwave irradiation;97%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-(p-tolylamino)cyclohex-2-en-1-one
36646-74-9

3-(p-tolylamino)cyclohex-2-en-1-one

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

C24H20BrNO3

C24H20BrNO3

Conditions
ConditionsYield
In acetic acid at 100℃; for 0.0666667h; microwave irradiation;97%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

aniline
62-53-3

aniline

C17H12BrNO2

C17H12BrNO2

Conditions
ConditionsYield
In water at 100℃; for 0.0833333h; microwave irradiation;97%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

p-toluidine
106-49-0

p-toluidine

7-methyl-9-(3-nitrophenyl)-4,9-dihydrofuro[3,4-b]quinolin-1(3H)-one

7-methyl-9-(3-nitrophenyl)-4,9-dihydrofuro[3,4-b]quinolin-1(3H)-one

Conditions
ConditionsYield
In water at 100℃; for 0.116667h; microwave irradiation;97%
thiophene-2-carbaldehyde
98-03-3

thiophene-2-carbaldehyde

tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

1-amino-naphthalene
134-32-7

1-amino-naphthalene

C19H13NO2S

C19H13NO2S

Conditions
ConditionsYield
In water at 100℃; for 0.1h; microwave irradiation;97%
With L-proline In ethanol at 80℃; for 0.5h; regioselective reaction;93%
tetrahydrofuran-2,4-dione
4971-56-6

tetrahydrofuran-2,4-dione

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

1-amino-naphthalene
134-32-7

1-amino-naphthalene

C21H14ClNO2

C21H14ClNO2

Conditions
ConditionsYield
In water at 100℃; for 0.0666667h; microwave irradiation;97%
With L-proline In ethanol at 80℃; for 1h; regioselective reaction;92%

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View