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:2402-79-1
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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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inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:Cool dry place Package:1kg/foill bag;25kg/drum Applicati
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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
Cas:2402-79-1
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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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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:2402-79-1
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inquiryProduct Name 2,3,5,6-Tetrachloropyridine CAS NO 2402-79-1 Appearance White powder Assay 99.0-101.0% Grade Pharmaceutical grade
1.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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inquiry2,3,5,6-Tetrachloropyridine CAS:2402-79-1 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 organi
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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
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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
Cas:2402-79-1
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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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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
Cas:2402-79-1
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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
Appearance:White crystalline Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Pharmaceutical intermediates and Pesti... Transportation:Common products:Sea/Air/Cour
Cas:2402-79-1
Min.Order:100 Metric Ton
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inquiryOur 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
Cas:2402-79-1
Min.Order:10 Kilogram
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Type:Trading Company
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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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:2402-79-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryadvantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packaging
Cas:2402-79-1
Min.Order:1 Gram
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:2402-79-1
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
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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:2402-79-1
Min.Order:10 Gram
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:2402-79-1
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inquiry2,3,5,6-Tetrachloropyridine Chemical Properties Melting point 90.5°C Boiling point 251.6°C density 2.0309 (rough estimate) refractive index 1.6000 (estimate) Fp 188°C pka -5.50±0.50(Predicted) BRN 129639
Cas:2402-79-1
Min.Order:200 Kilogram
FOB Price: $65.0
Type:Lab/Research institutions
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:2402-79-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
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
Shandong 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:2402-79-1
Min.Order:1 Gram
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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
Cas:2402-79-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryHigh 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:2402-79-1
Min.Order:0
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: 2,3,4,5,6-pentachloropyridine With manganese; ammonium acetate In ethanol; water at 40℃; for 6h; Stage #2: With ammonia In ethanol; water at 65℃; for 1h; pH=8 - 9; Concentration; Temperature; | 99.5% |
With ammonium chloride; zinc In acetonitrile at 80℃; for 3h; Reagent/catalyst; Solvent; Temperature; Green chemistry; | 88.4% |
With ammonium chloride; dimethyl methane phosphonate; zinc In water for 0.5h; Yield given; |
Conditions | Yield |
---|---|
With hydrogen; potassium carbonate at 200℃; under 15001.5 Torr; for 2h; Autoclave; | 99.2% |
2,3,4,5,6-pentachloropyridine
A
2,3,6-trichloropyridine
B
2,3,5-trichloropyridine
C
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
With ammonium chloride; dimethyl methane phosphonate; zinc In water at 85 - 90℃; Product distribution; other ammonium salts; other methylphosphonates/phosphates; | A 0.9% B 1% C 97.6% |
tetrachloro-4-iodopyridine
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
In diethyl ether for 19h; Irradiation; | 87% |
Multi-step reaction with 2 steps 1: 4 percent / copper bronze / dimethylformamide / 150 °C 2: 3 percent Chromat. / copper bronze / dimethylformamide / 20 h / 150 °C View Scheme |
methyl 4-cyano-2,2,4-trichlorobutyrate
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
79% |
tetrachloro-4-pyridylcopper
benzoyl chloride
A
2,3,5,6-tetrachloropyridine
B
4-benzoyltetrachloropyridine
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 0.5h; Heating; | A 9% B 72% |
4-Bromo-2,3,5,6-tetrachloropyridine
A
2,3,5,6-tetrachloropyridine
B
2,3,4,6-Tetrachloropyridine
C
2,3,4,5,6-pentachloropyridine
D
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
With Isopropylbenzene; copper In N,N-dimethyl-formamide at 150℃; for 1h; Further byproducts given; | A 63% B 15% C 16% D 17% |
4-Bromo-2,3,5,6-tetrachloropyridine
A
2,3,5,6-tetrachloropyridine
B
2,3,4,6-Tetrachloropyridine
D
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
With copper; benzoyl chloride In N,N-dimethyl-formamide at 150℃; for 0.5h; | A 61% B 24% C n/a D 15% |
tetrachloro-4-iodopyridine
A
2,3,5,6-tetrachloropyridine
B
2,3,4,5,6-pentachloropyridine
C
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
With copper In N,N-dimethyl-formamide at 150℃; | A 22% B 4% C 52% |
4-Bromo-2,3,5,6-tetrachloropyridine
A
2,3,5,6-tetrachloropyridine
B
2,3,4,6-Tetrachloropyridine
C
2,3,4,5,6-pentachloropyridine
E
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
With para-xylene; copper In N,N-dimethyl-formamide at 150℃; for 1h; Product distribution; Mechanism; the similar reaction without p-xylene; in presence cumene, benzoyl chloride instead p-xylene; other reagent (CuCl); other polychloroiodoarenes; tetrahalohenopyridylcopper intermediate; evidence against free radical or pyridyne intermediates; | A 42% B 5% C 15% D 4% E 18% |
4-Bromo-2,3,5,6-tetrachloropyridine
A
2,3,5,6-tetrachloropyridine
B
2,3,4,5,6-pentachloropyridine
D
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
With para-xylene; copper In N,N-dimethyl-formamide at 150℃; for 1h; Further byproducts given; | A 42% B 15% C 4% D 18% |
With copper In N,N-dimethyl-formamide at 150℃; for 0.5h; | A 17% B 21% C 8% D 14% |
With copper In N,N-dimethyl-formamide at 150℃; for 0.5h; Further byproducts given; | A 10% B 10% C 9% D 8% |
4-Bromo-2,3,5,6-tetrachloropyridine
A
2,3,5,6-tetrachloropyridine
B
4-bromo-2,3,6-tetrachloropyridine
Conditions | Yield |
---|---|
In diethyl ether for 71h; Irradiation; | A 17% B 6% |
tetrachloro-4-pyridylcopper
A
2,3,5,6-tetrachloropyridine
B
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 1h; Heating; | A 13.5% B 1% |
tetrachloro-4-pyridylcopper
benzoyl chloride
A
2,3,5,6-tetrachloropyridine
B
4-benzoyltetrachloropyridine
C
2,3,4,5,6-pentachloropyridine
D
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
With para-xylene In N,N-dimethyl-formamide for 23h; Product distribution; Mechanism; Heating; the similar reaction without p-xylene; other reaction times; similar range of products to those obtained from 4-bromotetrachloropyridine; | A 12% B 13% C 1% D 2.5% |
tetrachloro-4-pyridylcopper
A
2,3,5,6-tetrachloropyridine
B
4-benzoyltetrachloropyridine
C
2,3,4,5,6-pentachloropyridine
D
octachloro-4,4'-bipyridyl
Conditions | Yield |
---|---|
With para-xylene; benzoyl chloride In N,N-dimethyl-formamide for 23h; Heating; | A 12% B 13% C 1% D 2.5% |
Conditions | Yield |
---|---|
With phosphorus pentachloride at 210 - 220℃; | |
With sulfur dichloride In tetrachloromethane at 0 - 80℃; for 6h; Temperature; Solvent; Inert atmosphere; |
Conditions | Yield |
---|---|
With phosphorus pentachloride; trichlorophosphate at 180℃; |
Conditions | Yield |
---|---|
bei der Destillation; unter Kohlendioxyd-Entwicklung; |
tetrachloroisonicotic acid
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
With water at 180℃; | |
With glycerol beim Destillieren; |
2,6-diamino-3,5-dichloropyridine
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
With hydrogenchloride; sodium nitrite Yield given; |
2,3,4,5,6-pentachloropyridine
N,N-dimethyl-formamide
A
2,3,5,6-tetrachloropyridine
B
2,3,4,6-Tetrachloropyridine
C
2,3,4,5-tetrachloro-pyridine
D
tetrachloro-4-dimethylaminopyridine
Conditions | Yield |
---|---|
With copper In N,N-dimethyl-formamide at 150℃; for 20h; | A 3 % Chromat. B 22 % Chromat. C 2 % Chromat. D 13 % Chromat. |
2,3,4,5,6-pentachloropyridine
A
2,3,5,6-tetrachloropyridine
B
2,3,4,6-Tetrachloropyridine
C
2,3,4,5-tetrachloro-pyridine
D
tetrachloro-4-dimethylaminopyridine
Conditions | Yield |
---|---|
With copper In N,N-dimethyl-formamide at 150℃; for 20h; | A 3 % Chromat. B 22 % Chromat. C 2 % Chromat. D 13 % Chromat. |
2,3,4,5,6-pentachloropyridine
A
2,3,5,6-tetrachloropyridine
B
bis(tetrachloropyridyl)mercury
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide Hg cathode, -1.40 V (S.C.E.), Et4NBF4; | A 0.66 g B 0.59 g |
2,3,4,5,6-pentachloropyridine
A
2,3,5,6-tetrachloropyridine
B
2,3,5,6,2',3',6'-heptachloro-[4,4']bipyridinyl
Conditions | Yield |
---|---|
With carbon dioxide 1.) Hg cathode, DMF, Et4NBF4, -1.30 V (S.C.E.), 2.) 150 deg C, vacuum; Multistep reaction; |
Conditions | Yield |
---|---|
at 180℃; im Rohr; |
2,3,5-trichloropyridine
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
With sodium hydroxide; hexachloroethane; tetrabutylammomium bromide at 50℃; for 4h; |
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
With sodium tetrahydroborate In isopropyl alcohol at 20℃; for 6h; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 60 percent / aq. HCl, H2O2 2: NaNO2-HCl View Scheme |
2,3,5,6-tetrachloropyridine
2,3,5-trichloropyridine
Conditions | Yield |
---|---|
With 5%-palladium/activated carbon; hydrogen; potassium hydroxide In 5,5-dimethyl-1,3-cyclohexadiene; water at 60℃; under 4500.45 Torr; for 6h; Reagent/catalyst; Solvent; Pressure; Autoclave; | 99.1% |
With sodium hydroxide In benzene |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 120℃; for 3h; | 99% |
2,3,5,6-tetrachloropyridine
(4-methoxystyrene)boronic acid
Conditions | Yield |
---|---|
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; | 99% |
2,3,5,6-tetrachloropyridine
4-trifluoromethylstyrenylboronic acid
Conditions | Yield |
---|---|
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; | 99% |
2,3,5,6-tetrachloropyridine
4-methylstyrenylboronic acid
Conditions | Yield |
---|---|
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; | 99% |
2,3,5,6-tetrachloropyridine
phenylboronic acid
tetraphenyl-2,3,5,6 pyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Reagent/catalyst; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; | 99% |
2,3,5,6-tetrachloropyridine
4-methoxyphenylboronic acid
2,3,5,6-tetrakis(4-methoxyphenyl)pyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; | 99% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 1h; | 98% |
Conditions | Yield |
---|---|
Stage #1: 2,3,5,6-tetrachloropyridine With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; dichloro bis(acetonitrile) palladium(II); copper(l) iodide; diisopropylamine In 1,4-dioxane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: phenylacetylene In 1,4-dioxane at 90℃; for 20h; | 96% |
2,3,5,6-tetrachloropyridine
4-methylphenylboronic acid
2,3,5,6-tetra-p-tolylpyridine
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; | 96% |
2,3,5,6-tetrachloropyridine
3,5,6-trichloro-2-hydrazinopyridine
Conditions | Yield |
---|---|
With hydrazine hydrate In methanol at 60 - 65℃; for 2h; Temperature; Green chemistry; | 96% |
With sodium carbonate; hydrazine hydrate; butan-1-ol In water at 90 - 95℃; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 120℃; for 3h; | 95% |
2,3,5,6-tetrachloropyridine
Dihydroxy-styryl-boran
Conditions | Yield |
---|---|
With potassium phosphate; di-(1-adamantyl)-n-butylphosphine; bis(dibenzylideneacetone)-palladium(0) In 1,4-dioxane at 100℃; for 20h; Reagent/catalyst; Solvent; Suzuki-Miyaura Coupling; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With potassium fluoride In sulfolane at 120℃; for 6h; Reagent/catalyst; Solvent; Green chemistry; | 95% |
2,3,5,6-tetrachloropyridine
(4-chloro-2-methoxyphenyl)boronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane for 6h; Inert atmosphere; Reflux; | 95% |
2,3,5,6-tetrachloropyridine
2-Methylphenylboronic acid
Conditions | Yield |
---|---|
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; | 95% |
2,3,5,6-tetrachloropyridine
4-ethylphenylboronic acid
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; | 94% |
2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In tetrahydrofuran for 5h; Reagent/catalyst; Solvent; Reflux; | 94% |
Conditions | Yield |
---|---|
Stage #1: 2,3,5,6-tetrachloropyridine With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; dichloro bis(acetonitrile) palladium(II); copper(l) iodide; diisopropylamine In 1,4-dioxane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: 4-methoxyphenylacetylen In 1,4-dioxane at 90℃; for 20h; | 93% |
2,3,5,6-tetrachloropyridine
naphthalene-2-boronic acid
Conditions | Yield |
---|---|
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; | 91% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Inert atmosphere; Reflux; | |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Inert atmosphere; Reflux; |
Conditions | Yield |
---|---|
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; | 90% |
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; regioselective reaction; | 77% |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Inert atmosphere; Reflux; | |
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; acetonitrile for 4h; Reflux; Inert atmosphere; |
2,3,5,6-tetrachloropyridine
4-tert-butylphenylboronic acid
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate In toluene at 100℃; for 22h; Suzuki-Miyaura Coupling; Inert atmosphere; Sealed tube; | 90% |
2,3,5,6-tetrachloropyridine
5'-tert-butyl-(1,1':3',1"-terphenyl)-3,3"-diol
C54H42Cl4N2O4
Conditions | Yield |
---|---|
With caesium carbonate In dimethyl sulfoxide at 120℃; for 0.5h; Inert atmosphere; | 89.4% |
Methyl fluorosulfonate
2,3,5,6-tetrachloropyridine
3,5,6-trichloro-1-methyl-2-pyridone
Conditions | Yield |
---|---|
for 0.5h; Heating; | 89% |
Conditions | Yield |
---|---|
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); diisopropylamine In 1,4-dioxane at 90℃; for 20h; Sonogashira Cross-Coupling; Inert atmosphere; Sealed tube; regioselective reaction; | 89% |
Stage #1: 2,3,5,6-tetrachloropyridine With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 20℃; for 0.166667h; Sonogashira Cross-Coupling; Inert atmosphere; Stage #2: 1-ethynyl-4-fluorobenzene In 1,4-dioxane at 90℃; for 20h; Sonogashira Cross-Coupling; Inert atmosphere; | 68% |
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