As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:7311-63-9
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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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inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi
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inquiryProduct Description Product website: http://www.finerchem.com Product Name 5-Bromothiophene-2-carboxylic acid CAS No. 7311-63-9
Cas:7311-63-9
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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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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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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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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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
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
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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
Cas:7311-63-9
Min.Order:1 Gram
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inquiryThe 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
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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:7311-63-9
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inquiryProduct name: 5-Bromothiophene-2-Carboxylic Acid CAS No.:7311-63-9 Molecule Formula:C5H3BrO2S Molecule Weight:207.05 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
Cas:7311-63-9
Min.Order:1 Kilogram
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inquiryOur 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
Cas:7311-63-9
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inquiry5-Bromo-2-thiophenecarboxylic acid Basic information Product Name: 5-Bromo-2-thiophenecarboxylic acid Synonyms: 5-BROMOTHIOPHENE-2-CARBOXYLIC ACID;AKOS 92445;5-BROMO-2-THIOPHENECARBOXYLIC ACID;BUTTPARK 97\04-65;RARECHEM AL BO 1503;OTAVA-BB BB7
Cas:7311-63-9
Min.Order:1 Gram
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inquiryfactory?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
Cas:7311-63-9
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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
Cas:7311-63-9
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inquiryShandong 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
Cas:7311-63-9
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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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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
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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
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:7311-63-9
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Type:Lab/Research institutions
inquiryJinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:7311-63-9
Min.Order:100 Gram
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inquiryhigh 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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Conditions | Yield |
---|---|
With chromium(III) oxide; sulfuric acid In acetone at 5 - 20℃; for 2.5h; | 99% |
With potassium permanganate In acetone at 0 - 20℃; for 3h; | 85% |
With potassium permanganate |
5-((trimethylsilyl)ethynyl)thiophene-2-carbaldehyde
5-bromothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With Jones reagent In acetone at 5 - 20℃; for 2.5h; Inert atmosphere; | 99% |
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran at -78℃; for 0.5h; | 88% |
Conditions | Yield |
---|---|
Stage #1: 2-bromothiophene With lithium diisopropyl amide at -40℃; Stage #2: carbon dioxide at -78℃; | 85% |
Conditions | Yield |
---|---|
With bromine; acetic acid at 0℃; | 47% |
With N-Bromosuccinimide In N,N-dimethyl-formamide at 75℃; for 12h; Inert atmosphere; Schlenk technique; | 35% |
With bromine; acetic acid | |
With bromine In acetic acid at 20℃; for 16h; | |
With bromine |
2,5-dibromothiophen
carbon dioxide
A
5-bromothiophene-2-carboxylic acid
B
Thiophene-2,5-dicarboxylic acid
Conditions | Yield |
---|---|
Stage #1: 2,5-dibromothiophen; carbon dioxide With tert.-butyl lithium In pentane at -70℃; Inert atmosphere; Stage #2: With sulfuric acid; water In pentane at 20℃; Inert atmosphere; | A 34% B 5% |
Conditions | Yield |
---|---|
With palladium diacetate; sodium persulfate In acetic acid for 7h; Heating; | 23.6% |
With diethyl ether; sodium Behandeln des Reaktionsgemisches mit festem Kohlendioxid; |
2-bromothiophene
carbon dioxide
A
2-thiophenylcarboxylic acid
B
5-bromothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With ethylaluminum dichloride In hexane; chlorobenzene at 100℃; under 22502.3 Torr; for 3h; Autoclave; Inert atmosphere; regioselective reaction; | A 6% B 10% |
2-bromothiophene
A
2-thiophenylcarboxylic acid
B
5-bromothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With sodium persulfate; sodium acetate; palladium In acetic acid at 70 - 80℃; for 7h; | A 4.4% B 8.8% |
Conditions | Yield |
---|---|
With diethyl ether; ethylmagnesium bromide Behandeln der Reaktionsloesung mit Kohlendioxid; | |
With methyl bromide; diethyl ether; magnesium Behandeln der Reaktionsloesung mit Kohlendioxid; | |
With n-butyllithium In tetrahydrofuran; hydrogenchloride liquid HCl; |
Conditions | Yield |
---|---|
With sodium hydroxide; potassium permanganate; water | |
With alkaline aqueous sodium hypochlorite solution | |
With 1,4-dioxane; alkaline aqueous sodium hypobromite solution | |
With bromine; sodium hydroxide In 1,4-dioxane |
2,5-dibromothiophen
ethyl bromide
diethyl ether
methylammonium carbonate
5-bromothiophene-2-carboxylic acid
N,N'-bis-(5-bromo-thiophene-2-carbonyl)-o-phenylenediamine
A
5-bromothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Erhitzen auf Temperaturen oberhalb des Schmelzpunktes; |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol Heating; |
(5-bromothien-2-yl)methanol
5-bromothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With 3,5-Lutidine; 4-acetylamino-2,2,6,6-tetramethylpiperidine-N-oxyl; sodium persulfate; tris(2,2'‐bipyridine)ruthenium(II) hexafluorophosphate In water; acetonitrile at 20℃; for 48h; Sealed tube; Irradiation; | 15 %Chromat. |
methanol
5-bromothiophene-2-carboxylic acid
5-bromo-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
With sulfuric acid for 12h; Heating; | 100% |
With thionyl chloride for 3h; | 100% |
With sulfuric acid for 30h; Reflux; | 96% |
5-bromothiophene-2-carboxylic acid
5-bromo-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
In acetic acid | 100% |
Multi-step reaction with 2 steps 1: SOCl2 / 0.25 h / Heating 2: 1 h / Heating View Scheme | |
In acetic acid | |
With sulfuric acid In methanol; ethyl acetate |
5-bromothiophene-2-carboxylic acid
1-(phenylsulfonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo-[2,3-b]pyridine
5-[1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridin-4-yl]2-thiophenecarboxylic acid
Conditions | Yield |
---|---|
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; water at 80℃; for 12h; Suzuki Coupling; | 100% |
5-bromothiophene-2-carboxylic acid
5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)-1-methyl-1H-pyrazole
5-(1-methyl-1H-pyrazol-5-yl)thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; water at 80℃; for 12h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid With thionyl chloride In dichloromethane; N,N-dimethyl-formamide for 3h; Reflux; Stage #2: With potassium carbonate In dichloromethane at 0 - 10℃; for 0.333333h; Stage #3: 1-methyl-piperazine In dichloromethane at 20℃; for 2h; | 100% |
5-bromothiophene-2-carboxylic acid
5-bromothiophene-2-carbonyl chloride
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide In chloroform for 1h; Heating / reflux; | 99% |
With thionyl chloride | |
With thionyl chloride for 0.25h; Heating; |
5-bromothiophene-2-carboxylic acid
allyl bromide
5-allylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; allyl bromide With isopropylmagnesium bromide In tetrahydrofuran at -40℃; for 3h; Solid phase reaction; Stage #2: In dichloromethane at 20℃; for 0.25h; Hydrolysis; Further stages.; | 99% |
5-bromothiophene-2-carboxylic acid
diazomethyl-trimethyl-silane
5-bromo-2-thiophenecarboxylic acid methyl ester
Conditions | Yield |
---|---|
In methanol; diethyl ether; ethyl acetate at 20℃; Cooling with ice; | 98% |
In methanol; diethyl ether; ethyl acetate for 24.33h; Cooling with ice; | 98% |
In methanol; diethyl ether; ethyl acetate at 20℃; Temperature; Time; Cooling with ice; | 98% |
In methanol; diethyl ether; ethyl acetate for 24h; | 98% |
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid With tetra-(n-butyl)ammonium iodide; caesium carbonate In N,N-dimethyl-formamide at 20℃; for 0.166667h; Stage #2: benzyl bromide In N,N-dimethyl-formamide at 20℃; for 20h; | 98% |
5-bromothiophene-2-carboxylic acid
(3‐cyanophenyl)boronic acid
5-(3-cyanophenyl)thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water for 12h; Inert atmosphere; Reflux; | 98% |
5-bromothiophene-2-carboxylic acid
2-octyldodecan-1-ol
2-octyl-dodecyl 5-bromothiophene-2-carboxylate
Conditions | Yield |
---|---|
With 4-(dimethylamino)pyridinium tosylate; diisopropyl-carbodiimide In dichloromethane at 20℃; | 97% |
5-bromothiophene-2-carboxylic acid
4-(2-keto-1-benzimidazolinyl)piperidine
Conditions | Yield |
---|---|
With pyridine; 1,3,5-trichloro-2,4,6-triazine In acetonitrile at 140℃; for 0.0833333h; Microwave irradiation; | 97% |
5-bromothiophene-2-carboxylic acid
phenylboronic acid
5-phenyl-2-thiophenecarboxylic acid
Conditions | Yield |
---|---|
With disodium hydrogenphosphate; Pd(OAc)2(2-amino-4,6-dihydroxypyrimidine disodium salt)2 In water at 120℃; for 0.166667h; Suzuki-Miyaura coupling; Microwave irradiation; | 96% |
With 1-methyl-pyrrolidin-2-one; tetrakis(triphenylphosphine) palladium(0); sodium carbonate Suzuki coupling; Heating; |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In chloroform for 72h; Inert atmosphere; | 95.8% |
5-bromothiophene-2-carboxylic acid
propionyl chloride
5-propanoylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; propionyl chloride With isopropylmagnesium bromide In tetrahydrofuran at -40 - -10℃; for 12h; Solid phase reaction; Stage #2: In dichloromethane at 20℃; for 0.25h; Hydrolysis; Further stages.; | 95% |
5-bromothiophene-2-carboxylic acid
furan-3-boronic acid
Conditions | Yield |
---|---|
With sodium 2'‐(dicyclohexylphosphaneyl)‐2,6‐diisopropyl‐[1,1'‐biphenyl]‐3‐sulfonate; palladium diacetate; potassium carbonate In water at 150℃; for 0.166667h; Suzuki-Miyaura coupling; microwave irradiation; | 95% |
Conditions | Yield |
---|---|
Multistep reaction.; | 95% |
5-bromothiophene-2-carboxylic acid
benzoic acid hydrazide
2-(5-bromo-thiophen-2-yl)-5-phenyl-[1,3,4]oxadiazole
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; benzoic acid hydrazide With N-ethyl-N,N-diisopropylamine; HATU In tetrahydrofuran at 20℃; for 0.75h; Stage #2: With Burgess Reagent In tetrahydrofuran at 20℃; | 95% |
5-bromothiophene-2-carboxylic acid
P-toluenesulfonyl cyanide
5-cyanothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; P-toluenesulfonyl cyanide With isopropylmagnesium bromide In tetrahydrofuran at -40℃; for 2h; Solid phase reaction; Stage #2: In dichloromethane at 20℃; for 0.25h; Hydrolysis; Further stages.; | 93% |
5-bromothiophene-2-carboxylic acid
benzoyl chloride
5-(Phenylcarbonyl)thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; benzoyl chloride With isopropylmagnesium bromide In tetrahydrofuran at -40 - -10℃; for 12h; Solid phase reaction; Stage #2: In dichloromethane at 20℃; for 0.25h; Hydrolysis; Further stages.; | 93% |
5-bromothiophene-2-carboxylic acid
methanethiosulfonic acid S-methyl ester
5-methylsulfanyl-thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid With methylmagnesium chloride; lithium chloride In tetrahydrofuran at -20℃; for 0.333333h; Stage #2: With TurboGrignard In tetrahydrofuran at 20℃; for 0.5h; Stage #3: methanethiosulfonic acid S-methyl ester In tetrahydrofuran at -20 - 20℃; Further stages.; | 93% |
5-bromothiophene-2-carboxylic acid
N-[2-amino-1-(3-amino-3-oxopropyl)-1H-benzimidazol-5-yl]-N-methylbenzamide
C23H20BrN5O3S
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | 93% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 24h; |
5-bromothiophene-2-carboxylic acid
5-bromo-thiophene-2-carboxylic acid hydrazide
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid With dicyclohexyl-carbodiimide In acetonitrile at 0 - 20℃; Stage #2: With benzotriazol-1-ol In acetonitrile at 0 - 20℃; Stage #3: With hydrazine hydrate In acetonitrile at 0 - 20℃; for 5h; | 93% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; | 93% |
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; | 93% |
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; | 93% |
5-bromothiophene-2-carboxylic acid
monomethyl monopotassium malonate
methyl 3-(5-bromothiophen-2-yl)-3-oxopropionate
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid With 1,1'-carbonyldiimidazole In acetonitrile at 20℃; Stage #2: monomethyl monopotassium malonate With magnesium chloride at 20℃; for 18h; | 92.3% |
5-bromothiophene-2-carboxylic acid
ethyl 2-bromomethyl-2-propenoate
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; ethyl 2-bromomethyl-2-propenoate With isopropylmagnesium bromide In tetrahydrofuran at -40℃; for 3h; Solid phase reaction; Stage #2: In dichloromethane at 20℃; for 0.25h; Hydrolysis; Further stages.; | 92% |
5-bromothiophene-2-carboxylic acid
4-methylphenylboronic acid
5-(4-methylphenyl)thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; 4-methylphenylboronic acid; palladium diacetate In water at 20℃; for 0.0833333h; Suzuki-Miyaura coupling; Stage #2: With potassium hydroxide In water at 20 - 75℃; for 3h; | 92% |
Conditions | Yield |
---|---|
With potassium phosphate; tetrabuthylammonium tribromide In acetonitrile at 100℃; | 92% |
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