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Cas:4971-56-6
Min.Order:1 Kilogram
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inquiryOur 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 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
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Min.Order:1 Gram
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inquiryHello, 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
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Min.Order:1 Kilogram
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inquiryHenan 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
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Min.Order:10 Kilogram
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inquiryCompany 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
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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
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Min.Order:1 Kilogram
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Type:Trading Company
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Min.Order:1 Gram
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Type:Lab/Research institutions
inquiry1.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
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Type:Trading Company
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inquiryLower 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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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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
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inquiryAnsciep 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
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Min.Order:0
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Type:Lab/Research institutions
inquiryTetronic acid CAS NO.4971-56-6 Application:Tetronic acid CAS NO.4971-56-6
Supply top quality products with a reasonable price Application:api
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
Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
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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
Cas:4971-56-6
Min.Order:0
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With potassium acetate; acetic acid at 80 - 90℃; for 12h; | 45% |
Conditions | Yield |
---|---|
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
A
tetrahydrofuran-2,4-dione
B
[3,3']bifuryl-2,4,2',4'-tetraone
Conditions | Yield |
---|---|
With sodium amalgam |
2,4-dioxo-tetrahydro-furan-3-carboxylic acid ethyl ester
tetrahydrofuran-2,4-dione
Conditions | Yield |
---|---|
With sodium hydroxide Ansaeuern mit wss. Salzsaeure; |
Conditions | Yield |
---|---|
With water at 25℃; Rate constant; Mechanism; |
tetrahydrofuran-2,4-dione
Conditions | Yield |
---|---|
With sulfuric acid |
tetrahydrofuran-2,4-dione
tetrahydrofuran-2,4-dione
Conditions | Yield |
---|---|
With sulfuric acid |
tetrahydrofuran-2,4-dione
Conditions | Yield |
---|---|
With sodium hydroxide |
hydrogenchloride
4-hydroxy-3-phenylimino-butyric acid-lactone
A
tetrahydrofuran-2,4-dione
B
aniline
hydrogenchloride
furan-2,4-dione-4-phenylhydrazone
A
tetrahydrofuran-2,4-dione
B
phenylhydrazine
4-bromoethyl acetoacetate
tetrahydrofuran-2,4-dione
Conditions | Yield |
---|---|
With potassium acetate; acetic acid In dichloromethane at 80 - 85℃; for 5h; |
ethyl 4-(tert-butoxy)-3-oxobutanoate
tetrahydrofuran-2,4-dione
Conditions | Yield |
---|---|
With hydrogenchloride In acetic acid at 20 - 30℃; for 1h; | |
With hydrogenchloride; acetic acid at 20℃; for 3h; |
Conditions | Yield |
---|---|
at 20℃; Michael addition; Neat (no solvent); Grinding; optical yield given as %de; diastereoselective reaction; | 99% |
tetrahydrofuran-2,4-dione
p-toluenesulfonyl chloride
4-(p-toluenesulfonyloxy)-2(5H)-furanone
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 2h; | 98% |
tetrahydrofuran-2,4-dione
5,5-dimethyl-3-(phenylamino)cyclohex-2-en-1-one
4-chlorobenzaldehyde
Conditions | Yield |
---|---|
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
3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
4-fluorobenzaldehyde
Conditions | Yield |
---|---|
In acetic acid at 100℃; for 0.116667h; microwave irradiation; | 98% |
Conditions | Yield |
---|---|
In acetic acid at 100℃; for 0.0833333h; microwave irradiation; | 98% |
Conditions | Yield |
---|---|
In water at 100℃; for 0.116667h; microwave irradiation; | 98% |
Conditions | Yield |
---|---|
In water at 100℃; for 0.0666667h; microwave irradiation; | 98% |
tetrahydrofuran-2,4-dione
1-Phenyl-3-methyl-5-aminopyrazole
terephthalaldehyde,
Conditions | Yield |
---|---|
With ethylene glycol at 100℃; for 0.0125h; microwave irradiation; | 98% |
tetrahydrofuran-2,4-dione
1-Phenyl-3-methyl-5-aminopyrazole
Isophthalaldehyde
Conditions | Yield |
---|---|
With ethylene glycol at 100℃; for 0.0125h; microwave irradiation; | 98% |
tetrahydrofuran-2,4-dione
1-Phenyl-3-methyl-5-aminopyrazole
4-chlorobenzaldehyde
4-(4-chlorophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one
Conditions | Yield |
---|---|
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
1-Phenyl-3-methyl-5-aminopyrazole
4-nitrobenzaldehdye
4-(4-nitrophenyl)-3-methyl-1-phenyl-1,7-dihydro-5H-furo[3,4-b]pyrazolo[4,3-e]pyridine-5-one
Conditions | Yield |
---|---|
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
1-Phenyl-3-methyl-5-aminopyrazole
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
Conditions | Yield |
---|---|
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
1-Phenyl-3-methyl-5-aminopyrazole
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
Conditions | Yield |
---|---|
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
4-bromo-aniline
4-((4-bromophenyl)amino)furan-2(5H)-one
Conditions | Yield |
---|---|
In acetonitrile for 0.666667h; Solvent; Temperature; Microwave irradiation; Reflux; | 98% |
In 1,4-dioxane at 20℃; |
tetrahydrofuran-2,4-dione
3-Aminocrotononitrile
3-Chlorobenzaldehyde
phenylhydrazine
C21H16ClN3O2
Conditions | Yield |
---|---|
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
3-Aminocrotononitrile
4-nitrobenzaldehdye
phenylhydrazine
C21H16N4O4
Conditions | Yield |
---|---|
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
3-Aminocrotononitrile
benzaldehyde
phenylhydrazine
C21H17N3O2
Conditions | Yield |
---|---|
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
3-Aminocrotononitrile
4-methyl-benzaldehyde
phenylhydrazine
C22H19N3O2
Conditions | Yield |
---|---|
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
3-Aminocrotononitrile
4-hydroxy-benzaldehyde
phenylhydrazine
C21H17N3O3
Conditions | Yield |
---|---|
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
(2-amino-5-chlorophenyl)(phenyl)methanol
C17H12ClNO2
Conditions | Yield |
---|---|
With zinc(II) chloride In toluene for 0.333333h; Microwave irradiation; Sealed tube; Heating; | 98% |
tetrahydrofuran-2,4-dione
1,1-diethyl (2R,3S)-2-formyl-3-phenylcyclopropane-1,1-dicarboxylate
Conditions | Yield |
---|---|
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
3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
3-nitro-benzaldehyde
Conditions | Yield |
---|---|
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
2-((5,5-dimethyl-3-oxocyclohex-1-en-1-yl)amino)acetic acid
3-nitro-benzaldehyde
Conditions | Yield |
---|---|
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
3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
4-methoxy-benzaldehyde
Conditions | Yield |
---|---|
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
3-(p-tolylamino)-5,5-dimethylcyclohex-2-enone
benzaldehyde
Conditions | Yield |
---|---|
In acetic acid at 100℃; for 0.133333h; microwave irradiation; | 97% |
tetrahydrofuran-2,4-dione
3-(p-tolylamino)cyclohex-2-en-1-one
4-bromo-benzaldehyde
Conditions | Yield |
---|---|
In acetic acid at 100℃; for 0.0666667h; microwave irradiation; | 97% |
Conditions | Yield |
---|---|
In water at 100℃; for 0.0833333h; microwave irradiation; | 97% |
Conditions | Yield |
---|---|
In water at 100℃; for 0.116667h; microwave irradiation; | 97% |
Conditions | Yield |
---|---|
In water at 100℃; for 0.1h; microwave irradiation; | 97% |
With L-proline In ethanol at 80℃; for 0.5h; regioselective reaction; | 93% |
Conditions | Yield |
---|---|
In water at 100℃; for 0.0666667h; microwave irradiation; | 97% |
With L-proline In ethanol at 80℃; for 1h; regioselective reaction; | 92% |
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