Dayangchem's 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. DayangChem can provide different quantities
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inquiryItems Standard Result Assay 98%min ---------------------------------------------------------------------------------------------
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inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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inquiryHigh quality. Factory supply. In stock. Best price.1.Quick response within 24 hours;2.Best quality in your requirement;?3.We pay more attention on delivery time, and usually ship on time;4.Under the premise of safety and effectiveness, we can produce
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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.
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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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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 email in time prod
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inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
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inquiry1. Specifications Appearance & Physical State: Light yellow crystal powder MF: C5H2NO4S Melting Point: 154-159℃ MW: 172.1392
Cas:6317-37-9
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inquiryProduct Name: 5-Nitrothiophene-2-carboxylic acid Synonyms: RARECHEM AL BO 0544;5-Nitro-2-thenoic acid;5-NITRO-2-THIOPHENECARBOXYLIC ACID;5-NITROTHIOPHENE-2-CARBOXYLIC ACID;BUTTPARK 121\04-13;5-Nitro-2-ThiphenecarboxylicAcid;5-nitro-2-thiophenec
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inquiry5-Nitrothiophene-2-carboxylic acid CAS:6317-37-9 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 quality
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inquiryProduct Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,
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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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inquiry5-Ntrothiophene-2-carboxylic acid is one of the most competitive products in our company, we can supply it with good quality and best price. Appearance:White to light brown solid Storage:Room temperature, Keep in Dark Place. Package:Kilograms/MT Appl
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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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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
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inquiry6317-37-9--5-Nitrothiophene-2-carboxylic acid Appearance:White Powder Storage:Room temperature Package:according to customers' requirements Application:Pharmaceutical intermediates,API Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by
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inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
Zibo 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
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Min.Order:10 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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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
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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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 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
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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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
(5-nitrothiophen-2-yl)methanol
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With silica-supported Jones reagent In dichloromethane for 0.035h; | 99.7% |
Conditions | Yield |
---|---|
With bromine; sodium acetate; acetic acid | 98.5% |
With hydrogenchloride; bromine; sodium hydroxide In water | 98.2% |
With sodium hypobromide; sodium acetate; acetic acid | 92% |
2-thiophenylcarboxylic acid
A
5-nitrothiophene-2-carboxylic acid
B
4-nitro-2-thiophenecarboxylic acid
Conditions | Yield |
---|---|
With nitric acid; acetic anhydride; acetic acid at 20℃; for 4h; Nitration; | A 17% B 34% |
With sulfuric acid; nitric acid at 0 - 10℃; for 1.25h; | |
With sulfuric acid; nitric acid at 10 - 20℃; | A n/a B 18.2 g |
With sulfuric acid; nitric acid at 10 - 20℃; Overall yield = 18.2 g; |
5-nitro-2-thienyl cyanide
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride |
2-acetyl-5-nitrothiophene
A
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With nitric acid |
2-thiophenylcarboxylic acid
nitric acid
acetic anhydride
A
2-nitrothiophene
B
5-nitrothiophene-2-carboxylic acid
C
4-nitro-2-thiophenecarboxylic acid
Conditions | Yield |
---|---|
at -5℃; |
Conditions | Yield |
---|---|
With nitric acid; acetic anhydride at -5℃; |
2-thiophenecarboxaldehyde diacetate
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid anhydride; nitric acid; acetic acid 2: aqueous sulfuric acid 3: aqueous potassium permanganate solution; aq. NaOH solution View Scheme |
5-nitrothiophene-2-carboxaldehyde diacetate
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous sulfuric acid 2: aqueous potassium permanganate solution; aq. NaOH solution View Scheme | |
Multi-step reaction with 2 steps 1: ethanol; sulfuric acid 2: chromium (VI)-oxide; aqueous sulfuric acid / 110 °C View Scheme |
sodium chlorite
5-nitro-2-thiophenecarboxaldehyde
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide; sodium thiosulfate In water; acetonitrile |
sodium dihydrogenphosphate
5-nitro-2-thiophenecarboxaldehyde
dihydrogen peroxide
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; NaClO2; sodium sulfite In water; acetonitrile |
Conditions | Yield |
---|---|
In water; isopropyl alcohol; acetone | 967 mg (90%) |
5-nitrothiophene-2-carboxylic acid
5-nitrothiophene-2-carbonyl chloride
Conditions | Yield |
---|---|
With oxalyl dichloride Reflux; | 100% |
With thionyl chloride Reflux; | 100% |
With thionyl chloride |
5-nitrothiophene-2-carboxylic acid
ethanol
5-nitro-2-thiophenecarboxylic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In water for 1.5h; Reflux; | 98.3% |
Stage #1: 5-nitrothiophene-2-carboxylic acid With thionyl chloride for 3h; Heating / reflux; Stage #2: ethanol for 3h; Heating / reflux; | 96% |
In methanol Reflux; |
5-nitrothiophene-2-carboxylic acid
(5-nitrothiophen-2-yl)methanol
Conditions | Yield |
---|---|
With borane-THF In tetrahydrofuran at 20℃; for 16h; Inert atmosphere; Cooling with ice; | 98% |
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-nitrothiophene-2-carboxylic acid With thionyl chloride; N,N-dimethyl-formamide In dichloromethane Reflux; Stage #2: 4-isopropyl-1-methylcyclohex-3-en-1-amine With triethylamine In dichloromethane; N,N-dimethyl-formamide Reflux; | 96.39% |
5-nitrothiophene-2-carboxylic acid
(S)-N-[[3-[3-fluoro-4-(1-piperazinyl)phenyl]-2-oxo-5-oxazolidinyl]methyl]acetamide
Conditions | Yield |
---|---|
With 4-methyl-morpholine; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; for 18h; | 93% |
methanol
5-nitrothiophene-2-carboxylic acid
methyl 5-nitrothiophene-2-carboxylate
Conditions | Yield |
---|---|
With sulfuric acid for 48h; Heating; | 91% |
With hydrogenchloride | |
With thionyl chloride | |
In methanol Reflux; |
5-nitrothiophene-2-carboxylic acid
dimethyl sulfate
methyl 5-nitrothiophene-2-carboxylate
Conditions | Yield |
---|---|
With potassium carbonate In DMF (N,N-dimethyl-formamide); acetone at 100℃; for 1h; | 89% |
5-nitrothiophene-2-carboxylic acid
diethyl-L-glutamate hydrochloride
N-(5-nitro-2-thiophenecarbonyl)-L-glutamic acid diethyl ester
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane for 2h; Ambient temperature; | 88% |
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
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 2h; Inert atmosphere; | 88% |
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
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 2h; Inert atmosphere; | 87% |
2-{1-[3,5-difluoro-4-(1,2,3,6-tetrahydro-pyridin-4-yl)-phenyl]-1H-[1,2,3]triazol-4-ylmethyl}-isoindole-1,3-dione
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: 5-nitrothiophene-2-carboxylic acid With thionyl chloride for 1h; Heating / reflux; Stage #2: 2-{1-[3,5-difluoro-4-(1,2,3,6-tetrahydro-pyridin-4-yl)-phenyl]-1H-[1,2,3]triazol-4-ylmethyl}-isoindole-1,3-dione With triethylamine In tetrahydrofuran at 0 - 35℃; for 12h; | 80% |
5-nitrothiophene-2-carboxylic acid
L-glutamic acid diethyl ester
N-(5-nitro-2-thiophenecarbonyl)-L-glutamic acid diethyl ester
Conditions | Yield |
---|---|
Stage #1: 5-nitrothiophene-2-carboxylic acid With thionyl chloride for 3h; Reflux; Stage #2: L-glutamic acid diethyl ester With triethylamine In dichloromethane at 0 - 5℃; for 1h; | 79.9% |
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0 - 20℃; for 12h; | 78% |
5-nitrothiophene-2-carboxylic acid
2-(3,4-dimethoxyphenyl)-ethylamine
N-(3,4-dimethoxyphenethyl)-5-nitrothiophene-2-carboxamide
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 74% |
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; Inert atmosphere; | 74% |
5-nitrothiophene-2-carboxylic acid
4-amino-2-thiophenecarboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride; tin(ll) chloride at 20℃; for 6h; Reduction; | 67% |
5-nitrothiophene-2-carboxylic acid
1-(5-nitrothiazol-2-yl)piperidin-4-amine
5-nitro-N-(1-(5-nitrothiazol-2-yl)piperidin-4-yl)thiophene-2-carboxamide
Conditions | Yield |
---|---|
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine In dichloromethane; ethyl acetate at 0 - 20℃; for 6h; | 65.5% |
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 80℃; for 6h; | 64% |
Conditions | Yield |
---|---|
With dmap; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 0℃; for 24h; | 63% |
5-nitrothiophene-2-carboxylic acid
N-tert-butylchloroacetamide
C11H14N2O5S
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 80℃; for 6h; | 61% |
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 20℃; for 2h; | 59% |
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 80℃; for 6h; | 58% |
5-nitrothiophene-2-carboxylic acid
C15H6F3N5O5S
Conditions | Yield |
---|---|
Stage #1: 5-nitrothiophene-2-carboxylic acid; 3-amino-6-trifluoromethylquinoxaline-2-carbonitrile-N1,N4-dioxide In N,N-dimethyl-formamide at 20℃; Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide Stage #3: With dmap | 57.9% |
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 80℃; for 6h; | 56% |
5-nitrothiophene-2-carboxylic acid
1-(4-fluorophenylmethyl)piperazine
Conditions | Yield |
---|---|
Stage #1: 5-nitrothiophene-2-carboxylic acid With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: 1-(4-fluorophenylmethyl)piperazine With triethylamine In N,N-dimethyl-formamide at 50℃; for 0.166667h; Microwave irradiation; | 55% |
5-nitrothiophene-2-carboxylic acid
C15H6F3N5O5S
Conditions | Yield |
---|---|
Stage #1: 5-nitrothiophene-2-carboxylic acid; 3-amino-6-trifluoromethylquinoxaline-2-carbonitrile-N1,N4-dioxide In N,N-dimethyl-formamide at 20℃; Stage #2: With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide Stage #3: With dmap | 51.8% |
5-nitrothiophene-2-carboxylic acid
1-chloro-3,3-dimethyl-butan-2-one
C11H13NO5S
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 80℃; for 6h; | 48% |
5-nitrothiophene-2-carboxylic acid
Conditions | Yield |
---|---|
With triethylamine; 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 0 - 20℃; for 2h; | 46% |
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