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:4066-41-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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
Cas:4066-41-5
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
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
Cas:4066-41-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryAbout Product Technical Details 5-Acetylthiophene-2-carboxylic acid Chemical Properties
Cas:4066-41-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Lab/Research institutions
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
Cas:4066-41-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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
Cas:4066-41-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry5-Acetylthiophene-2-carboxylic acid CAS:4066-41-5 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 quali
Cas:4066-41-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:4066-41-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:4066-41-5
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
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
Cas:4066-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:4066-41-5
Min.Order:0
Negotiable
Type:Manufacturers
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
Cas:4066-41-5
Min.Order:0 Metric Ton
Negotiable
Type:Other
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:4066-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryMassive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:4066-41-5
Min.Order:1 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryZibo 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
Cas:4066-41-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct name: 5-Acetyl-Thiophene-2-Carboxylic Acid CAS No.: 4066-41-5 Molecule Formula:C7H6O3S Molecule Weight:170.19 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard
Cas:4066-41-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Cas:4066-41-5
Min.Order:1 Milligram
Negotiable
Type:Trading Company
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:4066-41-5
Min.Order:0
Negotiable
Type:Trading Company
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:4066-41-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquirySAGECHEM 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
Cas:4066-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4066-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Cas:4066-41-5
Min.Order:0
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:4066-41-5
Min.Order:0
Negotiable
Type:Manufacturers
inquiryTAIHO 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
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.
Cas:4066-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
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
Cas:4066-41-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate
Cas:4066-41-5
Min.Order:0
Negotiable
Type:Trading Company
inquiry5-bromothiophene-2-carboxylic acid
acetyl chloride
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-bromothiophene-2-carboxylic acid; acetyl 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.; | 90% |
2-Acetyl-5-methylthiophen
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With cerium(III) chloride; 1,1,1-trichloroethanol; oxygen In acetonitrile at 60℃; Irradiation; | 81% |
With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 95℃; for 1.5h; Kinetics; Rate constant; | |
With oxygen; cobalt(II) acetate; sodium bromide In acetic acid at 100℃; for 1.5h; |
Conditions | Yield |
---|---|
With 2,3,6,7-tetramethoxy-9(10H)-anthracenone; caesium carbonate In dimethyl sulfoxide at 25℃; under 2280.15 Torr; for 18h; Irradiation; Sealed tube; regioselective reaction; | 39% |
2-thiophenylcarboxylic acid
malonic acid
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With PPA at 60 - 80℃; for 2h; Acylation; Friedel-Crafts acylation; | 10% |
1-(5-ethanesulfonylmethyl-[2]thienyl)-ethanone
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With potassium permanganate |
Conditions | Yield |
---|---|
With hydrogenchloride; n-butyllithium; carbon dioxide In tetrahydrofuran; hexane |
2-Acetylthiophene
5-(α-methoxyimino)ethyl-2-thiophenecarboxylic acid
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sodium carbonate; acetic acid / methanol; water / 86 °C / pH 4 - 5 2: polyphosphoric acid / 100 °C 3: sodium hypochlorite / methanol / 10 - 70 °C 4: hydrogenchloride / water / 55 - 60 °C View Scheme | |
Multi-step reaction with 4 steps 1: acetic acid; sodium carbonate / water; methanol / 3 h / pH 5 / Heating 2: zinc(II) chloride; hydrogenchloride / water; chloroform / 12 h / 100 °C 3: sodium hypochlorite; hydrogenchloride / water; methanol / 4 h / 70 °C 4: hydrogenchloride / water / 12 h / 65 °C View Scheme |
2-(α-methoxyimino)ethylthiophene
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: polyphosphoric acid / 100 °C 2: sodium hypochlorite / methanol / 10 - 70 °C 3: hydrogenchloride / water / 55 - 60 °C View Scheme | |
Multi-step reaction with 3 steps 1: zinc(II) chloride; hydrogenchloride / water; chloroform / 12 h / 100 °C 2: sodium hypochlorite; hydrogenchloride / water; methanol / 4 h / 70 °C 3: hydrogenchloride / water / 12 h / 65 °C View Scheme |
2-acetyl-5-(α-methoxyimino)ethylthiophene
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hypochlorite / methanol / 10 - 70 °C 2: hydrogenchloride / water / 55 - 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium hypochlorite; hydrogenchloride / water; methanol / 4 h / 70 °C 2: hydrogenchloride / water / 12 h / 65 °C View Scheme |
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride In water at 55 - 60℃; | |
With hydrogenchloride In water at 65℃; for 12h; |
5-acetylthiophene-2-carboxylic acid
diazomethyl-trimethyl-silane
methyl 5-acetyl-2-thiophenecarboxylate
Conditions | Yield |
---|---|
In methanol; toluene at 0 - 20℃; | 100% |
With tetrafluoroboric acid In dichloromethane; water at 0℃; for 2h; | 11% |
methanol
5-acetylthiophene-2-carboxylic acid
methyl 5-acetyl-2-thiophenecarboxylate
Conditions | Yield |
---|---|
With sulfuric acid Reflux; | 92.81% |
With thionyl chloride In N,N-dimethyl-formamide for 5h; Reflux; |
5-acetylthiophene-2-carboxylic acid
N,N-dimethyl-formamide dimethyl acetal
5-(3-dimethylaminoacryloyl)thiophene-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
In toluene at 110℃; for 16h; | 91% |
In N,N-dimethyl-formamide Reflux; | 80% |
In toluene for 15h; Heating / reflux; | |
In toluene Reflux; |
5-acetylthiophene-2-carboxylic acid
ethanol
5-acetyl-thiophene-2-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene for 3h; Reflux; Dean-Stark; | 91% |
With sulfuric acid for 72h; Heating / reflux; | 84% |
5-acetylthiophene-2-carboxylic acid
N-[2-amino-1-(3-amino-3-oxopropyl)-1H-benzimidazol-5-yl]-N-methylbenzamide
C25H23N5O4S
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℃; | 90% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 24h; |
5-acetylthiophene-2-carboxylic acid
N,O-dimethylhydroxylamine*hydrochloride
5-Acetyl-N-methoxy-N-methylthiophene-2-carboxamide
Conditions | Yield |
---|---|
With 4-methyl-morpholine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dimethyl amine at 25℃; for 16h; | 86% |
5-acetylthiophene-2-carboxylic acid
methyl iodide
methyl 5-acetyl-2-thiophenecarboxylate
Conditions | Yield |
---|---|
With sodium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; | 80% |
With potassium carbonate In N,N-dimethyl-formamide at 23℃; for 72h; | 72% |
With potassium carbonate In N,N-dimethyl-formamide at 23℃; | 72% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 60h; | |
With sodium carbonate In N,N-dimethyl-formamide at 20℃; |
5-acetylthiophene-2-carboxylic acid
tert-butyl alcohol
tert-butyl-5-acetylthiophene-2-carboxylate
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dimethyl amine at 25℃; for 16h; | 72% |
5-acetylthiophene-2-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; | 45% |
5-acetylthiophene-2-carboxylic acid
(R)-1-phenyl-ethyl-amine
sodium ethyltrithiocarbonate
ethyl 2-oxo-2-[5-((R)-1-phenylethylcarbamoyl)thiophen-2-yl]ethyl trithiocarbonate
Conditions | Yield |
---|---|
Stage #1: 5-acetylthiophene-2-carboxylic acid With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at 0℃; for 0.75h; Stage #2: (R)-1-phenyl-ethyl-amine In tetrahydrofuran at 20℃; for 18h; Stage #3: sodium ethyltrithiocarbonate Further stages; | 44% |
5-acetylthiophene-2-carboxylic acid
sodium ethyltrithiocarbonate
aniline
ethyl 2-oxo-2-(5-phenylcarbamoylthiophen-2-yl)ethyl trithiocarbonate
Conditions | Yield |
---|---|
Stage #1: 5-acetylthiophene-2-carboxylic acid With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at 0℃; for 0.75h; Stage #2: aniline In tetrahydrofuran at 20℃; for 18h; Stage #3: sodium ethyltrithiocarbonate Further stages; | 22% |
5-acetylthiophene-2-carboxylic acid
3,5-dimethylbenzyl amine
sodium ethyltrithiocarbonate
2-[5-(3,5-dimethylbenzylcarbamoyl)thiophen-2-yl]-2-oxoethyl ethyl trithiocarbonate
Conditions | Yield |
---|---|
Stage #1: 5-acetylthiophene-2-carboxylic acid With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at 0℃; for 0.75h; Stage #2: 3,5-dimethylbenzyl amine In tetrahydrofuran at 20℃; for 18h; Stage #3: sodium ethyltrithiocarbonate Further stages; | 21% |
5-acetylthiophene-2-carboxylic acid
2-hydrazino-1,3-thiazole
5-[1-(Thiazol-2-yl-hydrazono)-ethyl]-thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
In ethanol at 95℃; for 0.166667h; | 20% |
5-acetylthiophene-2-carboxylic acid
sodium ethyltrithiocarbonate
benzylamine
2-(5-benzylcarbamoylthiophen-2-yl)-2-oxoethyl ethyl trithiocarbonate
Conditions | Yield |
---|---|
Stage #1: 5-acetylthiophene-2-carboxylic acid With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at 0℃; for 0.75h; Stage #2: benzylamine In tetrahydrofuran at 20℃; for 18h; Stage #3: sodium ethyltrithiocarbonate Further stages; | 12% |
5-acetylthiophene-2-carboxylic acid
(S)-1-phenyl-ethylamine
sodium ethyltrithiocarbonate
ethyl 2-oxo-2-[5-((S)-1-phenylethylcarbamoyl)thiophen-2-yl]ethyl trithiocarbonate
Conditions | Yield |
---|---|
Stage #1: 5-acetylthiophene-2-carboxylic acid With 4-methyl-morpholine; isobutyl chloroformate In tetrahydrofuran at 0℃; for 0.75h; Stage #2: (S)-1-phenyl-ethylamine In tetrahydrofuran at 20℃; for 18h; Stage #3: sodium ethyltrithiocarbonate Further stages; | 6% |
5-acetylthiophene-2-carboxylic acid
5-ethyl-2-thiophenecarboxylic acid
Conditions | Yield |
---|---|
With hydrazine hydrate; ethylene glycol at 145℃; Erhitzen des Reaktionsgemisches mit Kaliumhydroxid bis auf 193grad; |
5-acetylthiophene-2-carboxylic acid
5-(1-hydroxyimino-ethyl)-thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With potassium hydroxide; ethanol; hydroxylamine hydrochloride |
5-acetylthiophene-2-carboxylic acid
diazodiphenylmethane
Conditions | Yield |
---|---|
In methanol at 25℃; Rate constant; |
5-acetylthiophene-2-carboxylic acid
5-(2-Bromo-acetyl)-thiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With bromine In acetic acid at 110℃; for 0.166667h; |
5-acetylthiophene-2-carboxylic acid
[4-(5-amino-thiophen-2-yl)-pyrimidin-2-yl]-methyl-amine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 91 percent / toluene / 16 h / 110 °C 2: NaOEt / 40 h / 70 °C 3: 87 percent / hydrazine / methanol / 16 h / 70 °C 4: 91 percent / aq. HCl; NaNO2 / acetic acid / 0.5 h / 0 °C 5: 30 percent / aq. HCl / 16 h / 100 °C View Scheme |
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 91 percent / toluene / 16 h / 110 °C 2: NaOEt / 40 h / 70 °C 3: 87 percent / hydrazine / methanol / 16 h / 70 °C 4: 91 percent / aq. HCl; NaNO2 / acetic acid / 0.5 h / 0 °C 5: xylene / 0.42 h / 120 °C View Scheme |
5-acetylthiophene-2-carboxylic acid
5-(2-methylsulfanyl-pyrimidin-4-yl)-thiophene-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 91 percent / toluene / 16 h / 110 °C 2: 69 percent / pyridine / H2O / 68 h / 100 °C View Scheme |
5-acetylthiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 91 percent / toluene / 16 h / 110 °C 2: NaOEt / 40 h / 70 °C View Scheme |
5-acetylthiophene-2-carboxylic acid
5-(2-methylamino-pyrimidin-4-yl)-thiophene-2-carboxylic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 91 percent / toluene / 16 h / 110 °C 2: NaOEt / 40 h / 70 °C View Scheme |
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