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
Cas:36157-41-2
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inquiryWelcome 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
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inquiryWith 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
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Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
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Min.Order:1 Gram
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inquiryWITH 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
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
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inquiry1.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
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Min.Order:1 Kilogram
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Min.Order:10 Gram
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inquiryBest 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
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inquiryJ&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
Cas:36157-41-2
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inquiryProduct Name: 2,5-DICHLOROTHIOPHENE-3-CARBOXYLIC ACID Synonyms: AKOS 90171;2,5-DICHLOROTHIOPHENE-3-CARBOXYLIC ACID;2,5-DICHLORO-3-THIOPHENEFORMIC ACID;RARECHEM AL BE 1205;2,5-DICHLOROTHIOPHENE-3-CARBOXYLIC ACID, 98+%;3-Thiophenecarboxylicacid,
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Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryWe 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
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Type:Trading Company
inquiryZhenyu 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
Cas:36157-41-2
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Cas:36157-41-2
Min.Order:0
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Type:Manufacturers
inquiryWe 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
Cas:36157-41-2
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
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
Cas:36157-41-2
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Type:Lab/Research institutions
inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Cas:36157-41-2
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Type:Manufacturers
inquiryhighest purity most favorable priceAppearance:solid or liquid Storage:room temperature under 25℃ Package:drum or bag Application:for pharmaceutical Transportation:by sea and air
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:36157-41-2
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:36157-41-2
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:36157-41-2
Min.Order:0
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Type:Manufacturers
inquiryAmoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi
Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:36157-41-2
Min.Order:0
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Type:Lab/Research institutions
inquiry2,5-Dichlorothiophene-3-carboxylic acid cas 36157-41-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:36157-41-2
Min.Order:0
Negotiable
Type:Other
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Cas:36157-41-2
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Type:Lab/Research institutions
inquiry36157-41-2 Application:intermediate
Cas:36157-41-2
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Type:Lab/Research institutions
inquiryfactory?direct?sale Application:Fine chemical intermediates, used as the main raw material for the synthesis of various pesticides, medicines, surfactants, polymer monomers, and antifungal agents
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:36157-41-2
Min.Order:0
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Type:Trading Company
inquiryhome-produced Application:medicine
Cas:36157-41-2
Min.Order:0
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Type:Lab/Research institutions
inquiry2,5-diclorothiophene
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With palladium diacetate; sodium persulfate In acetic acid at 70 - 80℃; for 7h; | 1.6% |
2,5-dichlorothiophene-4-carboxaldehyde
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With silver(l) oxide |
2-chlorothiophene-4-carboxylic acid
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With chlorine; acetic acid |
2-chlorothiophene-3-carboxylic acid
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With chlorine; acetic acid |
3-acetyl-2,5-dichlorothiophene
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With sodium hypochlorite | |
With sodium hypochlorite In water at 55℃; |
3-Thiophene carboxylic acid
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With chlorine; acetic acid | |
Multi-step reaction with 2 steps 1: acetic acid; chlorine 2: acetic acid; chlorine View Scheme |
thiophene-3-carboxylic acid ethyl ester
ethyl 2,5-dichlorothiophene-3-carboxylate
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide; sulfuryl dichloride In tetrahydrofuran; ethanol; acetonitrile |
2,5-dichlorothiophene-3-carboxylic acid
2,5-dichlorothiophene-3-carbonyl chloride
Conditions | Yield |
---|---|
With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 2.5h; | 100% |
With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 20℃; for 2.5h; | 100% |
With thionyl chloride In chloroform for 2h; Heating; | |
With thionyl chloride In benzene for 6h; Reflux; | |
With thionyl chloride at 60℃; for 1h; |
2,5-dichlorothiophene-3-carboxylic acid
4-chloro-aniline
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorothiophene-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0333333h; Stage #2: 4-chloro-aniline In N,N-dimethyl-formamide at 20℃; | 95% |
2,5-dichlorothiophene-3-carboxylic acid
4-fluoroaniline
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorothiophene-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0333333h; Stage #2: 4-fluoroaniline In N,N-dimethyl-formamide at 20℃; | 91% |
2,5-dichlorothiophene-3-carboxylic acid
4-(N,N-diethylaminosulfonyl)aniline
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorothiophene-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0333333h; Stage #2: 4-(N,N-diethylaminosulfonyl)aniline In N,N-dimethyl-formamide at 20℃; | 87% |
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With trifluoroacetyl peroxide In acetonitrile for 4h; | 80% |
2,5-dichlorothiophene-3-carboxylic acid
aniline
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorothiophene-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0333333h; Stage #2: aniline In N,N-dimethyl-formamide at 20℃; | 80% |
2,5-dichlorothiophene-3-carboxylic acid
2-Chloroaniline
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorothiophene-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0333333h; Stage #2: o-chloroaniline In N,N-dimethyl-formamide at 20℃; | 67% |
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With copper (I) acetate; lithium carbonate; silver nitrate In N,N-dimethyl-formamide at 100℃; for 24h; Inert atmosphere; Sealed tube; | 66% |
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at -10 - 20℃; for 3h; | 66% |
N-methyl-N-(3-pyridyl)amine
2,5-dichlorothiophene-3-carboxylic acid
2,5-dichlorothiophene-3-carboxylic acid methylpyridin-3-yl-amide
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorothiophene-3-carboxylic acid With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 4h; Stage #2: N-methyl-N-(3-pyridyl)amine With triethylamine In dichloromethane at 20℃; | 65% |
2,5-dichlorothiophene-3-carboxylic acid
A
2,5-diclorothiophene
B
2,2',5,5'-tetrachloro-3,3'-bithiophene
Conditions | Yield |
---|---|
With palladium(II) trifluoroacetate; silver carbonate In dimethyl sulfoxide; N,N-dimethyl-formamide at 120℃; for 16h; Inert atmosphere; | A n/a B 57% |
2,5-dichlorothiophene-3-carboxylic acid
tert-butyl alcohol
Conditions | Yield |
---|---|
With diphenyl phosphoryl azide; N-ethyl-N,N-diisopropylamine at 90℃; for 12h; | 56% |
2,5-dichlorothiophene-3-carboxylic acid
sulphaacetamide
Conditions | Yield |
---|---|
Stage #1: 2,5-dichlorothiophene-3-carboxylic acid With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 0.0333333h; Stage #2: sulphaacetamide In N,N-dimethyl-formamide at 20℃; | 50% |
2,5-dichlorothiophene-3-carboxylic acid
3-hydroxymethyl-thiophene
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride; diethyl ether |
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
With thionyl chloride Behandeln des erhaltenen Saeurechlorids mit wss. Ammoniak; |
2,5-dichlorothiophene-3-carboxylic acid
3-Thiophene carboxylic acid
Conditions | Yield |
---|---|
With palladium on activated charcoal Hydrogenation; |
2,5-dichlorothiophene-3-carboxylic acid
5-n-butyl-2,4-dihydro-4-<(2'-sulfamoylbiphenyl-4-yl)methyl>-2-<2-(trifluoromethyl)phenyl>-3H-1,2,4-triazol-3-one
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; 1,1'-carbonyldiimidazole 1.) THF, 55 deg C, 2 h, 2.) THF, 55 deg C, overnight; Yield given. Multistep reaction; |
2,5-dichlorothiophene-3-carboxylic acid
diethyl ether
3-hydroxymethyl-thiophene
2,5-dichlorothiophene-3-carboxylic acid
2,5-dichloro-thiophene-3-carboxylic acid methoxy-methyl-amide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: SOCl2 / CHCl3 / 2 h / Heating 2: Et3N / CHCl3 / 0 - 20 °C View Scheme |
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: SOCl2 / CHCl3 / 2 h / Heating 2: Et3N / CHCl3 / 0 - 20 °C 3: CH2Cl2 / 20 °C 4: NaBH4 / propan-2-ol / 2 h / Heating 5: NaBH4; TFA / 0 - 20 °C View Scheme |
2,5-dichlorothiophene-3-carboxylic acid
(2,5-dichloro-thiophen-3-yl)-(1-trityl-1H-imidazol-4-yl)-methanol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: SOCl2 / CHCl3 / 2 h / Heating 2: Et3N / CHCl3 / 0 - 20 °C 3: CH2Cl2 / 20 °C 4: NaBH4 / propan-2-ol / 2 h / Heating View Scheme |
2,5-dichlorothiophene-3-carboxylic acid
(2,5-dichloro-thiophen-3-yl)-(1-trityl-1H-imidazol-4-yl)-methanone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: SOCl2 / CHCl3 / 2 h / Heating 2: Et3N / CHCl3 / 0 - 20 °C 3: CH2Cl2 / 20 °C View Scheme |
2,5-dichlorothiophene-3-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: lithium alanate; diethyl ether View Scheme |
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