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
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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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inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
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inquiryISO Certification Technology: Technology innovation is our eternal pursuit,or we will be left behind.Our technology experts,all from famous universities and institutes,has rich experience and high achievements in chemical research.This makes sure
The 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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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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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
Product Description Product website: http://www.finerchem.com/pro01en/id/2159.html Product Name 2-Chloro-6-(trichloromethyl)pyridine CAS No.
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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
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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 We can also provide MT1 peptide powder 2. Fact
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inquiryProduct Name: Nitrapyrin Synonyms: NITRAPYRIN;N-SERVE;IFLAB-BB F0848-0285;2-chloro-6-(trichloromethyl);2-chloro-6-(trichloromethyl)-pyridin;2-Chloro-6-trichloromethyl;2-Picoline, alpha,alpha,alpha,6-tetrach
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inquiryProduct Name: Nitrapyrin CAS: 1929-82-4 MF: C6H3Cl4N MW: 230.91 EINECS: 217-682-2 Mol File: 1929-82-4.mol Nitrapyrin Structure Nitrapyrin Chemical Properties Melting point 62-63°C Boiling point 136-138°C density
Nitrapyrin CAS: 1929-82-4 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 organic intermediates,
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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 emai
Hebei 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
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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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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
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inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
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inquiryHangzhou 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
Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
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inquiryBest quality/price/service Professional manufacturing FAO Standards Appearance:Grey crystalline solid Package:Solid:50g,100g,200g,250g,400g,500g,1kg,10kg bag ,20kg, 25kg,40kg bag,50kg,600kg, 900kg; Aluminum Foil Bag,plastic bag, fiber bag, fi
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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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Why 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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inquiry1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:1929-82-4
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inquiryConditions | Yield |
---|---|
With chlorine In water at 240℃; Temperature; Inert atmosphere; | 89.4% |
With chlorine at 160 - 195℃; Temperature; Concentration; Irradiation; | 70.21% |
With chlorine at 186.9 - 206.9℃; |
picoline hydrochloride
A
2-trichloromethylpyridine
B
2,3,5-trichloropyridine
C
2-(trichloromethyl)-3,5-dichloropyridine
D
2,3-dichloro-6-(trichloromethyl)pyridine
E
nitrapyrin
F
3,4,5-trichloro-2-trichloromethyl pyridine
Conditions | Yield |
---|---|
With chlorine at 150℃; for 2h; Product distribution; Kinetics; Irradiation; other temp.: 80, 90, 100, 120 deg. C; other reaction time: 2 to 45 h; reaction without irradiation; reaction in C4Cl6; |
picoline hydrochloride
A
2-trichloromethylpyridine
B
2-(trichloromethyl)-5-chloropyridine
C
2-(trichloromethyl)-3,5-dichloropyridine
D
2,5-dichloro-6-(trichloromethyl)pyridine
E
nitrapyrin
F
2-(trichloromethyl)-3-chloropyridine
Conditions | Yield |
---|---|
With chlorine at 185℃; for 21h; Product distribution; Rate constant; various temperatures, residence times and chlorine feed rates; | A 28.3 % Chromat. B 2.7 % Chromat. C n/a D 1.2 % Chromat. E 64.8 % Chromat. F 0.6 % Chromat. |
α-picoline
picoline hydrochloride
A
2,5-dichloro-6-(trichloromethyl)pyridine
B
nitrapyrin
Conditions | Yield |
---|---|
Stage #1: α-picoline; picoline hydrochloride With chlorine at 195℃; for 36h; Industry scale; Stage #2: With chlorine at 170℃; for 8h; Product distribution / selectivity; UV-irradiation; Industry scale; |
α-picoline
picoline hydrochloride
A
2-trichloromethylpyridine
B
2,5-dichloro-6-(trichloromethyl)pyridine
C
nitrapyrin
Conditions | Yield |
---|---|
Stage #1: α-picoline; picoline hydrochloride With chlorine Industry scale; Stage #2: With chlorine Product distribution / selectivity; UV-irradiation; Industry scale; |
Conditions | Yield |
---|---|
Stage #1: α-picoline; picoline hydrochloride With chlorine at 195℃; Industry scale; Stage #2: With chlorine at 170℃; Product distribution / selectivity; UV-irradiation; Industry scale; |
nitrapyrin
4-fluoroaniline
6-chloro-N-(4-fluorophenyl)pyridin-2-amide
Conditions | Yield |
---|---|
With tetrabutylammonium tetrafluoroborate; oxygen In N,N-dimethyl-formamide at 25 - 30℃; Temperature; Reagent/catalyst; Solvent; Electrolysis; | 97% |
With hydrogenchloride; triethylamine In toluene | 95% |
Stage #1: nitrapyrin With sulfuric acid at 135℃; for 6h; Stage #2: 4-fluoroaniline With triethylamine In toluene at 20 - 120℃; for 1.75h; |
nitrapyrin
Conditions | Yield |
---|---|
With antimony(V) trichloride difluoride; SbF3Cl2; hydrogen fluoride at 120℃; under 3750.38 - 26252.6 Torr; for 6h; Temperature; Reagent/catalyst; Pressure; Autoclave; Inert atmosphere; Large scale; | 96.7% |
Multi-step reaction with 2 steps 1: iron(III) chloride; hydrogen fluoride / 22 h / 160 - 180 °C / 11251.1 - 18751.9 Torr 2: hydrogen fluoride / 22 h / 160 - 180 °C / 11251.1 - 18751.9 Torr View Scheme | |
With hydrogen fluoride for 15h; Time; Large scale; |
nitrapyrin
6-chloro-N-(4-fluorophenyl)pyridin-2-amide
Conditions | Yield |
---|---|
With sulfuric acid | 95% |
With sulfuric acid | |
With sulfuric acid |
Conditions | Yield |
---|---|
With sodium hydroxide In dimethyl sulfoxide; toluene at 150℃; for 8h; | 95% |
nitrapyrin
6-chloro-2-chloromethylpyridine
2-Chloro-6-(dichloromethyl)-pyridine
Conditions | Yield |
---|---|
90.1% |
Conditions | Yield |
---|---|
With sulfuric acid; water at 100℃; for 8h; | 90% |
With sulfuric acid at 100℃; for 6h; Time; | 90% |
Conditions | Yield |
---|---|
Stage #1: nitrapyrin With sulfuric acid at 135℃; for 6h; Stage #2: isopropyl alcohol at 20 - 65℃; for 0.5h; | 88.4% |
nitrapyrin
2-Chloro-6-(dichloromethyl)-pyridine
Conditions | Yield |
---|---|
With chloroform; sodium hydroxide Ambient temperature; | 88% |
With chloroform; sodium hydroxide In dimethyl sulfoxide Rate constant; Mechanism; Ambient temperature; other solvents; accelerating and inhibiting additives added; other catalyst (PTC); in the presence of 40percent NaOD in D2O; |
nitrapyrin
2-chloro-6-trifluoromethylpyridine
Conditions | Yield |
---|---|
With hydrogen fluoride at 330℃; | 80% |
nitrapyrin
1-t-Butoxycarbonylpiperazine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tetrahydrofuran at 70℃; Inert atmosphere; | 19% |
Conditions | Yield |
---|---|
With sodium 2.) reflux, 15 h; Yield given. Multistep reaction; |
nitrapyrin
A
2,3-dichloro-6-(trichloromethyl)pyridine
B
2,5-dichloro-6-(trichloromethyl)pyridine
Conditions | Yield |
---|---|
With chlorine; ZnCl2, HCl, water and type L zeolite (EZ-200) mixed, dried and calcined at 200℃; under 25.8581 Torr; for 12.5h; | |
With tetrachloromethane; chlorine; Type L zeolite (TOSOH, HSZ-500KOA Lot#50KA1103) calcined at 200℃; under 25.8581 Torr; for 11h; | |
With chlorine; Cs-ion exchanged Type L zeolite at 200℃; under 25.8581 Torr; for 8h; |
Nitroethane
nitrapyrin
4-fluoroaniline
A
6-chloro-N-(4-fluorophenyl)pyridin-2-amide
Conditions | Yield |
---|---|
With hydrogenchloride; sulfuric acid; triethylamine | |
With hydrogenchloride; sulfuric acid; triethylamine |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; dichloromethane |
nitrapyrin
methyl phosphite
2-Chloro-6-(dichloromethyl)-pyridine
Conditions | Yield |
---|---|
With sodium hydroxide In 1-methyl-pyrrolidin-2-one; water |
nitrapyrin
B
2-chloro-6-trifluoromethylpyridine
Conditions | Yield |
---|---|
With iron(III) chloride; hydrogen fluoride at 160 - 180℃; under 11251.1 - 18751.9 Torr; for 22h; | A 90.96 %Chromat. B 7.67 %Chromat. |
nitrapyrin
C
2-chloro-6-trifluoromethylpyridine
Conditions | Yield |
---|---|
With hydrogen fluoride at 180 - 200℃; under 15001.5 - 22502.3 Torr; | A 51.87 %Chromat. B 8.22 %Chromat. C 38.66 %Chromat. |
With hydrogen fluoride at 150 - 175℃; for 12h; | A 40.28 %Chromat. B 10.22 %Chromat. C 48.49 %Chromat. |
nitrapyrin
N-(4-fluorophenyl)-6-(3-trifluoromethylphenoxy)pyridine-2-carboxamide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sodium hydroxide / toluene; dimethyl sulfoxide / 8 h / 150 °C 2: iron(III) chloride; water / 1,2-dichloro-ethane / 25 h / Resolution of racemate 3: sodium hydroxide / 1,2-dichloro-ethane; water / 3 h / 15 - 20 °C / pH 8 View Scheme | |
Multi-step reaction with 4 steps 1: sodium hydroxide / toluene; dimethyl sulfoxide / 8 h / 150 °C 2: water; hydrogenchloride / 8 h / 120 °C 3: thionyl chloride / 4 h / Reflux 4: sodium hydroxide / 1,2-dichloro-ethane; water / 3 h / 15 - 20 °C / pH 8 View Scheme | |
Multi-step reaction with 4 steps 1: sulfuric acid; water / 8 h / 100 °C 2: potassium carbonate; copper(l) chloride / N,N-dimethyl-formamide / 6 h / 140 °C 3: pyridine; bis(trichloromethyl) carbonate / ethyl acetate / 2 h / 35 - 50 °C 4: triethylamine; bis(trichloromethyl) carbonate / dichloromethane / 3 h View Scheme | |
Multi-step reaction with 4 steps 1: sulfuric acid / 6 h / 100 °C 2: potassium carbonate; copper(l) chloride / N,N-dimethyl-formamide / 8 h / 140 °C 3: bis(trichloromethyl) carbonate; triethylamine / ethyl acetate / 2 h / 35 - 50 °C 4: bis(trichloromethyl) carbonate; triethylamine / dichloromethane / 3 h View Scheme |
nitrapyrin
2-(3-trifluoromethylphenoxy)-6-pyridinecarbonyl chloride
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide / toluene; dimethyl sulfoxide / 8 h / 150 °C 2: iron(III) chloride; water / 1,2-dichloro-ethane / 25 h / Resolution of racemate View Scheme | |
Multi-step reaction with 3 steps 1: sodium hydroxide / toluene; dimethyl sulfoxide / 8 h / 150 °C 2: water; hydrogenchloride / 8 h / 120 °C 3: thionyl chloride / 4 h / Reflux View Scheme | |
Multi-step reaction with 3 steps 1: sulfuric acid; water / 8 h / 100 °C 2: potassium carbonate; copper(l) chloride / N,N-dimethyl-formamide / 6 h / 140 °C 3: pyridine; bis(trichloromethyl) carbonate / ethyl acetate / 2 h / 35 - 50 °C View Scheme | |
Multi-step reaction with 3 steps 1: sulfuric acid / 6 h / 100 °C 2: potassium carbonate; copper(l) chloride / N,N-dimethyl-formamide / 8 h / 140 °C 3: bis(trichloromethyl) carbonate; triethylamine / ethyl acetate / 2 h / 35 - 50 °C View Scheme |
nitrapyrin
6-(3-α,α,α-trifluoromethylphenoxy)picolinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium hydroxide / toluene; dimethyl sulfoxide / 8 h / 150 °C 2: water; hydrogenchloride / 8 h / 120 °C View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid; water / 8 h / 100 °C 2: potassium carbonate; copper(l) chloride / N,N-dimethyl-formamide / 6 h / 140 °C View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid / 6 h / 100 °C 2: potassium carbonate; copper(l) chloride / N,N-dimethyl-formamide / 8 h / 140 °C View Scheme |
nitrapyrin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / tetrahydrofuran / 70 °C / Inert atmosphere 2: trifluoroacetic acid / dichloromethane / 3 h 3: N-ethyl-N,N-diisopropylamine; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate / tetrahydrofuran / 3 h 4: dichloromethane / 3 h View Scheme |
nitrapyrin
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / tetrahydrofuran / 70 °C / Inert atmosphere 2: trifluoroacetic acid / dichloromethane / 3 h 3: N-ethyl-N,N-diisopropylamine; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate / tetrahydrofuran / 3 h 4: dichloromethane / 3 h 5: triethylamine / dichloromethane / 3 h View Scheme |
nitrapyrin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / tetrahydrofuran / 70 °C / Inert atmosphere 2: trifluoroacetic acid / dichloromethane / 3 h View Scheme |
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