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. Near 20 years DayangChem has provided dif
Cas:5271-67-0
Min.Order:100 Gram
FOB Price: $1.0
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:5271-67-0
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryGood quality Good price Appearance:powder Storage:dry condition Package:According to the demand of customer Application:intermediate Transportation:By sea or by air Port:Shanghai Port
Cas:5271-67-0
Min.Order:1 Gram
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:5271-67-0
Min.Order:1
Negotiable
Type:Other
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:5271-67-0
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
Cas:5271-67-0
Min.Order:1 Kilogram
FOB Price: $100.0 / 150.0
Type:Trading Company
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:5271-67-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Best prices with satisfied quality; 2. It's clients' right to choose the package's Courier (EMS, DHL, FedEx, UPS); 3.It's clients' right to choose the packing way for his produccts from many recent effective packing ways;
Cas:5271-67-0
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiry1.Best price &good quality 2.ISO Certificate 3.Prompt delivery Application:Pharmaceutical Intermediates Port:China main port
1.In No Less 10 years exporting experience. you 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 Specializ
Cas:5271-67-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Cas:5271-67-0
Min.Order:1 Kilogram
FOB Price: $42.0 / 56.0
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:5271-67-0
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
Company 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:5271-67-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:5271-67-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:5271-67-0
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
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:5271-67-0
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiry2-Thiophenecarbonyl chloride Chemical Properties Boiling point 206-208 °C (lit.) density 1.371 g/mL at 25 °C (lit.) refractive index n20/D 1.590(lit.) Fp 195 °F storage temp. 2-8°C form Liquid color Clear c
Cas:5271-67-0
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
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:5271-67-0
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an
Appearance: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
Cas:5271-67-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Colorless or light yellow liquid Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmac
Cas:5271-67-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:5271-67-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
high 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
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:5271-67-0
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
Jinhua 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:5271-67-0
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
97% | |
With thionyl chloride for 2h; Heating; | 82% |
With thionyl chloride; N,N-dimethyl-formamide; sodium hydroxide In ethyl acetate at 58 - 65℃; for 2.5h; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
With sulfolane at 200℃; under 60006 Torr; for 0.75h; Temperature; Pressure; Reagent/catalyst; | 93% |
N, N-dimethylthiophene-2-carboxamide
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
With iodine; N,N-dimethyl-formamide; phosphorus trichloride In 1,2-dichloro-ethane at 100℃; for 12h; Schlenk technique; Sealed tube; | 92% |
Conditions | Yield |
---|---|
Stage #1: 2-Acetylthiophene With pyridine; disulfur dichloride In chlorobenzene at 20℃; for 1.75h; Stage #2: With sulfuryl dichloride In chlorobenzene at 20 - 132℃; for 14.5h; Temperature; Time; Reagent/catalyst; | 90% |
Stage #1: 2-Acetylthiophene With pyridine; sulfur monochloride at 20℃; for 0.166667h; Stage #2: at 70℃; for 3h; Stage #3: at 137℃; for 18h; | 86% |
With α-picoline; thionyl chloride at 70 - 140℃; for 17.75h; Temperature; Reagent/catalyst; | 72% |
With pyridine; disulfur dichloride at 70 - 137℃; for 21.5h; Concentration; Temperature; | 86 %Spectr. |
Multi-step reaction with 2 steps 1: propionic acid; cobalt(II) nitrate hexahydrate; manganese (II) nitrate tetrahydrate; oxygen / 125 °C / 760.05 Torr 2: N,N-dimethyl-formamide; thionyl chloride; sodium hydroxide / ethyl acetate / 2.5 h / 58 - 65 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With bis(tri-t-butylphosphine)palladium(0); benzyltriphenylphosphonium chloride In toluene at 110℃; under 38002.6 Torr; for 48h; Glovebox; Autoclave; Inert atmosphere; | 78% |
2-Iodothiophene
4-nitro-benzoyl chloride
A
p-nitrobenzene iodide
B
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
With (Xantphos)Pd(4-C6H4NO2)(I) In benzene at 90℃; for 20h; Sealed tube; Inert atmosphere; | A n/a B 52% |
Conditions | Yield |
---|---|
With iodine; phosphorus trichloride at 160℃; for 48h; Schlenk technique; Sealed tube; | 26% |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 97 percent / 10 percent aq. HCl / dioxane / 1 h / Heating 2: SOCl2 / 5 h / Heating View Scheme |
N‐methyl‐2‐thiophenecarboxamide
A
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 96 percent / SOCl2 / 18 h / Heating 2: 97 percent / methanol; tetrahydrofuran / 1.) 0 deg C, 0.5 h, 2.) room temperature, 12 h 3: 76 percent / 10 percent aq. HCl / 0.5 h / Ambient temperature 4: 97 percent / 10 percent aq. HCl / dioxane / 1 h / Heating 5: SOCl2 / 5 h / Heating View Scheme |
methyl N-methylthiophene-2-carboximidate
A
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 76 percent / 10 percent aq. HCl / 0.5 h / Ambient temperature 2: 97 percent / 10 percent aq. HCl / dioxane / 1 h / Heating 3: SOCl2 / 5 h / Heating View Scheme |
N-methylthiophene-2-carboximidoyl chloride
A
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 97 percent / methanol; tetrahydrofuran / 1.) 0 deg C, 0.5 h, 2.) room temperature, 12 h 2: 76 percent / 10 percent aq. HCl / 0.5 h / Ambient temperature 3: 97 percent / 10 percent aq. HCl / dioxane / 1 h / Heating 4: SOCl2 / 5 h / Heating View Scheme |
potassium thiophene-2-carboxylate
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
With oxalyl dichloride In dichloromethane for 3.5h; Cooling with ice; Reflux; |
2-thiophenylcarboxylic acid
oxalyl dichloride
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
In dichloromethane; N,N-dimethyl-formamide at 20℃; for 2h; |
2-Iodothiophene
terephthaloyl chloride
A
2-Thiophenecarbonyl chloride
B
4-iodobenzoic acid chloride
Conditions | Yield |
---|---|
With (Xantphos)Pd(4-C6H4NO2)(I) In benzene at 110℃; for 20h; Sealed tube; Inert atmosphere; | A 92 %Spectr. B n/a |
N-chlorosulfonyl-thiophene-2-carboxamide
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: hydrogenchloride / dibutyl ether; water / 20 °C 2: hydrogenchloride / dibutyl ether / 7 h / 100 °C 3: N,N-dimethyl-formamide; thionyl chloride / 1.5 h / 65 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / dibutyl ether / 7 h / 100 °C 2: N,N-dimethyl-formamide; thionyl chloride / 1.5 h / 65 °C View Scheme |
Conditions | Yield |
---|---|
With N-chloro-succinimide; thio-xanthene-9-one In acetonitrile at 20℃; for 7h; Irradiation; |
2-Thiophenecarbonyl chloride
α-naphthol
1-naphthyl thiophen-2-carboxylate
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 14h; | 100% |
Stage #1: 2-Thiophenecarbonyl chloride; α-naphthol In tetrahydrofuran at 0 - 20℃; Stage #2: With triethylamine In tetrahydrofuran for 4h; | 99% |
Stage #1: 2-Thiophenecarbonyl chloride; α-naphthol With triethylamine In tetrahydrofuran at 0℃; for 4h; Stage #2: With hydrogenchloride In tetrahydrofuran | 99% |
With sodium hydroxide |
2-Thiophenecarbonyl chloride
2-methoxy-phenylamine
N-(2-methoxyphenyl)-2-thiophenecarboxamide
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; | 100% |
In toluene |
2-Thiophenecarbonyl chloride
phenethylamine
N-(2-phenylethyl)thiophene-2-carboxamide
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 23℃; | 100% |
In dichloromethane for 4h; Ambient temperature; | 87% |
In dichloromethane at 20 - 70℃; for 5h; Alkaline conditions; | 71% |
With morpholinomethyl polystyrene HL In dichloromethane at 20℃; |
Conditions | Yield |
---|---|
With sodium azide In water; acetone at 0℃; for 3.5h; | 100% |
With sodium azide In water; acetone for 0.333333h; | |
With sodium azide |
Conditions | Yield |
---|---|
With bis(iodozinc)methane at 25℃; Substitution; | 100% |
2-Thiophenecarbonyl chloride
4-[3-aminobenzoyl]-1-methylpiperidine
4-[3-(thien-2-ylamidyl)benzoyl]-1-methylpiperidine
Conditions | Yield |
---|---|
With (piperidinomethyl)-polystyrene In tetrahydrofuran for 18h; | 100% |
2-Thiophenecarbonyl chloride
2-amino-4-chloro-6-(2-methoxyphenyl)pyridin trifluoroacetate
N-[4-chloro-6-(2-methoxyphenyl)pyridin-2-yl]thiophene-2-carboxamide
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 16h; | 100% |
2-Thiophenecarbonyl chloride
phosphorous acid trimethyl ester
dimethyl thiophene-2-carbonylphosphonate
Conditions | Yield |
---|---|
at 20℃; for 1h; | 100% |
2-Thiophenecarbonyl chloride
C17H18N2O5S
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -10℃; | 100% |
2-Thiophenecarbonyl chloride
ethyl 2-((4-methoxyphenyl)imino)-4-(triethylsilyl)but-3-ynoate
ethylmagnesium bromide
ethyl 2-(ethyl(4-methoxyphenyl)amino)-2-(thiophen-2-carbonyl)-4-(triethylsilyl)but-3-ynoate
Conditions | Yield |
---|---|
Stage #1: ethyl 2-((4-methoxyphenyl)imino)-4-(triethylsilyl)but-3-ynoate; ethylmagnesium bromide In tetrahydrofuran at -78℃; Inert atmosphere; Stage #2: 2-Thiophenecarbonyl chloride In tetrahydrofuran at -78 - 20℃; for 0.5h; Inert atmosphere; regioselective reaction; | 100% |
2-Thiophenecarbonyl chloride
benzyl 2,2-dimethyl-3-hydroxypropanoic acid
3-(benzyloxy)-2,2-dimethyl-3-oxopropyl thiophene-2-carboxylate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 2h; Cooling with ice; | 100% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 20℃; for 4h; | 100% |
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; water for 0.166667h; Cooling with ice; | 100% |
2-Thiophenecarbonyl chloride
N-aminopyridin-1-ium iodide
(pyridin-1-ium-1-yl)(thiophene-2-carbonyl)amide
Conditions | Yield |
---|---|
With sodium hydroxide for 24h; Ambient temperature; | 99.5% |
With potassium carbonate In methanol at 20℃; for 72h; | 98% |
2-Thiophenecarbonyl chloride
anthranilic acid
2-Thiophen-2-yl-4H-3,1-benzoxazin-4-one
Conditions | Yield |
---|---|
With acetic anhydride; triethylamine In ethyl acetate | 99% |
Stage #1: 2-Thiophenecarbonyl chloride; anthranilic acid In N,N-dimethyl acetamide at 7 - 13℃; for 4h; Cooling with ice; Stage #2: With acetic anhydride In N,N-dimethyl acetamide at 98 - 118℃; for 2h; | 95% |
With pyridine at 0 - 20℃; for 0.583333h; | 37% |
2-Thiophenecarbonyl chloride
2-methylmethoxybenzene
(4-methoxy-3-methylphenyl)(2-thienyl)methanone
Conditions | Yield |
---|---|
With aluminium trichloride In dichloromethane for 0.75h; < 12 deg C; | 99% |
2-Thiophenecarbonyl chloride
2-Chloroaniline
N-(2-chlorophenyl)thiophene-2-carboxamide
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 24h; | 99% |
In toluene |
2-Thiophenecarbonyl chloride
2-bromoaniline
thiophene-2-carboxylic acid (2-bromophenyl)amide
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 24h; | 99% |
In tetrahydrofuran at 20℃; for 24h; | 96% |
With triethylamine In dichloromethane at 0 - 20℃; | 84% |
In toluene | |
With triethylamine In dichloromethane at 20℃; for 3h; |
2-Thiophenecarbonyl chloride
thiophen-2-carboxylic anhydride
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In toluene for 3h; Heating; | 99% |
With zinc In N,N-dimethyl-formamide; pentane at 20℃; for 20h; Inert atmosphere; Schlenk technique; | 33% |
With water; triethylamine In acetone at 20℃; for 12h; Schlenk technique; Inert atmosphere; Sealed tube; |
Conditions | Yield |
---|---|
Stage #1: 3,3-Dimethylbut-1-yne With polymethylhydrosiloxane; trifuran-2-yl-phosphane; trimethyltin fluoride; tris-(dibenzylideneacetone)dipalladium(0); tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 2h; Stage #2: 2-Thiophenecarbonyl chloride In tetrahydrofuran at 65℃; for 2h; Stille reaction; | 99% |
2-Thiophenecarbonyl chloride
4-Isopropyl-5-methyl-2-phenyl-2,4-dihydro-pyrazol-3-one
Conditions | Yield |
---|---|
With triethylamine In chloroform for 1h; Heating; | 99% |
2-Thiophenecarbonyl chloride
N-(tert-butyl)thiophene-2-carboxamide
Conditions | Yield |
---|---|
99% |
2-Thiophenecarbonyl chloride
benzyl alcohol
benzyl thiophen-2-ylcarbamate
Conditions | Yield |
---|---|
Stage #1: 2-Thiophenecarbonyl chloride With pyridine; trimethylsilylazide In N,N-dimethyl-formamide at 20℃; Curtius rearrangement; Microflow reaction; Inert atmosphere; Stage #2: benzyl alcohol With acetic acid In N,N-dimethyl-formamide at 110℃; Microflow reaction; Inert atmosphere; | 99% |
2-Thiophenecarbonyl chloride
10-Undecen-1-ol
2-thiophenecarboxylic acid, undec-10-enyl ester
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 1h; Inert atmosphere; | 99% |
2-Thiophenecarbonyl chloride
1-hydrazino-4-(4-methoxyphenyl)-5H-2,3-benzodiazepine
Conditions | Yield |
---|---|
In 1,4-dioxane for 1h; Reflux; | 99% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 1h; Inert atmosphere; | 99% |
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 0 - 20℃; for 1h; Inert atmosphere; | 99% |
2-Thiophenecarbonyl chloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 1h; | 99% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0℃; for 2h; Inert atmosphere; | 99% |
With dmap; triethylamine In dichloromethane at 20℃; | 90% |
With dmap; triethylamine In dichloromethane at 0 - 20℃; | 83% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 21 - 23℃; for 24h; Inert atmosphere; | 99% |
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