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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product name Pentachloropyridine cas no. 2176-62-7 molecular formula
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Appearance:White crystalline Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Use for Pharmaceutical intermediates a... Transportation:Common products:Sea/Air/Cour
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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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Product Name: Pentachloropyridine CAS: 2176-62-7 MF: C5Cl5N MW: 251.33 EINECS: 218-535-5 Mol File: 2176-62-7.mol Pentachloropyridine Structure Pentachloropyridine Chemical Properties Melting point 124 °C Boiling point
Cas:2176-62-7
Min.Order:1 Gram
Negotiable
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
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Min.Order:1 Metric Ton
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Type:Trading Company
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SAGECHEM 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
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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
We 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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Type:Trading Company
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Cas:2176-62-7
Min.Order:0
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium hydroxide; hexachloroethane; tetrabutylammomium bromide In dichloromethane at 55℃; | 71% |
With phosphorus pentachloride |
tetrachlo-5-iodoropyridine
A
2,3,4,6-Tetrachloropyridine
B
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
With copper In N,N-dimethyl-formamide at 150℃; | A 3% B n/a C 71% |
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% |
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% |
bis(2,3,5,6-tetrachloropyridin-4-yl)sulfane
A
2,3,4,5,6-pentachloropyridine
B
hexachlorodipyrido<5,4-b;3,4-d>thiophen
Conditions | Yield |
---|---|
In tetrachloromethane for 24h; Irradiation; | A 6.5% B 44% |
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% |
tetrachloro-4-(2-pyridylthio)pyridine
A
2,3,4,5,6-pentachloropyridine
B
1,3,4-trichlorodipyrido<2,3-b;3,4-d>thiophen
Conditions | Yield |
---|---|
In tetrahydrofuran; ethanol for 6h; Irradiation; | A 39% B 13% |
tetrachloromethane
2,3,5,6-tetrachloropyridine
A
2,3,4,5,6-pentachloropyridine
B
4-dichloromethyl-2,3,5,6-tetrachloropyridine
Conditions | Yield |
---|---|
With tetrachloromethane; tetrabutylammomium bromide In sodium hydroxide at 50℃; for 4h; | A n/a B 30% C n/a |
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% |
1-pyrrolidino-1-cycloheptene
2,3,4,5,6-pentachloropyridine N-oxide
A
1-(tetrachloro-2-pyridyl)cyclohexene
B
2,3,4,5,6-pentachloropyridine
C
2-chloro-7-(tetrachloro-2-pyridyl)cycloheptanone
Conditions | Yield |
---|---|
In toluene for 14h; Heating; Yields of byproduct given; | A 11% B n/a C n/a |
In toluene for 14h; Heating; Yields of byproduct given; | A n/a B n/a C 5% |
1-(N-morpholino)cyclopent-1-ene
2,3,4,5,6-pentachloropyridine N-oxide
A
2-(tetrachloro-N-oxido-2-pyridyl)cyclopentanone
B
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
In toluene for 14h; Heating; | A 6% B 1% |
Conditions | Yield |
---|---|
With phosphorus pentachloride | |
With chlorine |
Conditions | Yield |
---|---|
With chlorine at 130 - 150℃; |
Conditions | Yield |
---|---|
With chlorine at 115 - 120℃; |
Conditions | Yield |
---|---|
With phosphorus pentachloride |
2-Cyanopyridine
A
2,3,4,5,6-pentachloropyridine
B
6-chloro-pyridine-2-carbonitrile
C
3,4,5,6-tetrachloropicolinonitrile
D
3,4,5-trichloro-2-picolinonitrile
Conditions | Yield |
---|---|
With chlorine In tetrachloromethane at 630℃; for 0.00138889h; Product distribution; var. contact times, temperatures, and solvent systems; | A 6.1 % Chromat. B 2.0 % Chromat. C 75.4 % Chromat. D 7.7 % Chromat. |
2,3,4,5-tetrachloro-6-(trichloromethyl)-pyridine
A
tetrachloromethane
B
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
With chlorine at 200℃; Rate constant; |
2,3,5,6-tetrachloropyridine
phosphorus pentachloride
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
at 300℃; im Rohr; |
pyridine N-oxide
hydrogenchloride
sulfuryl dichloride
A
2-chloropyridine
B
4-Chloropyridine
C
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
at 120℃; |
pyridine
chlorine
A
3-Chloropyridine
B
3,4,5-trichloropyridine
C
2,3,4,5,6-pentachloropyridine
D
3,5-dichloropyridine
Conditions | Yield |
---|---|
at 170℃; beim Behandeln des Pyridin-hydrochlorids; |
3,4,5-trichloro-2-trichloromethyl pyridine
A
tetrachloromethane
B
2,3,4,5-tetrachloro-pyridine
C
2,3,4,5,6-pentachloropyridine
D
2,3,4,5-tetrachloro-6-(trichloromethyl)-pyridine
Conditions | Yield |
---|---|
With chlorine at 200℃; for 18h; Title compound not separated from byproducts; | A n/a B 9.7 % Chromat. C 3.2 % Chromat. D 11.8 % Chromat. E n/a |
With chlorine at 200℃; for 18h; Irradiation; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With chlorine at 245℃; Thermodynamic data; Kinetics; Rate constant; other temperature, irrradiation, activation energies; | |
With chlorine at 200℃; for 18h; Product distribution; other time; | A n/a B 9.7 % Chromat. C 3.2 % Chromat. D 11.8 % Chromat. E n/a |
A
2,3,4,5,6-pentachloropyridine
B
hexachloroethane
C
hexachlorobenzene
D
octachlorostyrene
Conditions | Yield |
---|---|
With aluminium trichloride at 300℃; for 24h; Chlorination; cyclization; Further byproducts given. Title compound not separated from byproducts; |
A
2,3,4,5,6-pentachloropyridine
B
Hexachlorobutadiene
C
hexachlorobenzene
D
octachlorostyrene
Conditions | Yield |
---|---|
With melt electrolyte at 700℃; Formation of xenobiotics; electrolysis; Further byproducts given. Title compound not separated from byproducts; |
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
With oxygen; urea; copper dichloride at 300℃; Formation of xenobiotics; |
2,3,5-trichloropyridine
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: C2Cl6; nBu4NBr; aq. NaOH / 4 h / 50 °C 2: 71 percent / C2Cl6; nBu4NBr; aq. NaOH / CH2Cl2 / 55 °C View Scheme |
4-Bromo-2,3,5,6-tetrachloropyridine
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 39 percent / potassium carbonate / acetone / 2 h / Heating 2: 39 percent / tetrahydrofuran; ethanol / 6 h / Irradiation View Scheme |
Conditions | Yield |
---|---|
In 1,2-dichloro-benzene at 80℃; for 3h; | 100% |
In 1,2-dichloro-benzene at 60℃; | 87% |
In 1,2-dichloro-benzene at 80 - 90℃; |
Conditions | Yield |
---|---|
In 1,2-dichloro-benzene at 120℃; for 3h; | 100% |
In 1,2-dichloro-benzene Heating; | |
Heating; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 120℃; for 1h; | 100% |
Heating; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 120℃; for 2h; | 100% |
Conditions | 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 nickel dichloride at 150℃; for 0.5h; | 99% |
2,3,4,5,6-pentachloropyridine
phenylboronic acid
2,3,4,5,6-pentaphenylpyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); potassium phosphate; 2-dicyclohexylphosphino-2’,6’-dimethoxybiphenyl In toluene at 100℃; for 20h; Catalytic behavior; Solvent; Reagent/catalyst; Temperature; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; Sealed tube; | 99% |
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; dichloro bis(acetonitrile) palladium(II) | 99% |
2,3,4,5,6-pentachloropyridine
4-methylphenylboronic acid
2,3,4,5,6-pentakis(4-tolyl)pyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); potassium phosphate; 2-dicyclohexylphosphino-2’,6’-dimethoxybiphenyl In toluene at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; Sealed tube; | 99% |
2,3,4,5,6-pentachloropyridine
4-methoxyphenylboronic acid
2,3,4,5,6-pentakis(4-methoxyphenyl)pyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); potassium phosphate; 2-dicyclohexylphosphino-2’,6’-dimethoxybiphenyl In toluene at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; Sealed tube; | 99% |
2,3,4,5,6-pentachloropyridine
2,3,5,6-tetrachloro-4-azidopyridine
Conditions | Yield |
---|---|
With sodium azide In acetone at 20℃; | 98% |
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% |
2,3,4,5,6-pentachloropyridine
sodium thiomethoxide
2,3,5,6-tetrachloro-4-methylmercaptopyridine
Conditions | Yield |
---|---|
With sodium iodide In methanol; water at 20℃; for 4h; Solvent; Reagent/catalyst; Cooling with ice; | 96% |
In tetrahydrofuran; water at 20℃; for 1h; Temperature; Large scale; |
Conditions | Yield |
---|---|
With potassium fluoride at 90℃; for 1.5h; Temperature; Reagent/catalyst; Concentration; | 95.42% |
With hydrogen fluoride; tetramethylammonium fluoride In water; isopropyl alcohol at -10 - 135℃; Temperature; Flow reactor; Green chemistry; | 94.7% |
With potassium fluoride In sulfolane at 190℃; for 72h; | 93% |
Conditions | Yield |
---|---|
In 1,2-dichloro-benzene at 20℃; for 24h; | 95% |
2,3,4,5,6-pentachloropyridine
3,5-dichloro-2,4,6-triazido-pyridine
Conditions | Yield |
---|---|
With sodium azide In water; acetone at 70℃; for 72h; azidation; | 94% |
With sodium azide In acetone at 70℃; for 72h; | 84% |
2,3,4,5,6-pentachloropyridine
phenylacetylene
2,3,4,5,6-pentakis(phenylethynyl)pyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); copper(l) iodide; diisopropylamine; XPhos In 1,4-dioxane at 80℃; for 10h; Sonogashira coupling; Inert atmosphere; Sealed tube; | 92% |
2,3,4,5,6-pentachloropyridine
A
2,3,5,6-tetrachloro-4-pyridinol
B
3,4,5,6-tetrachloro-2-pyridinol
Conditions | Yield |
---|---|
With potassium hydroxide In tert-butyl alcohol for 10h; Heating; | A n/a B 90% |
2,3,4,5,6-pentachloropyridine
N-(4-chlorophenyl)formamide
2,3,5,6-tetrachloro-N-(4-chlorophenyl)pyridin-4-amine
Conditions | Yield |
---|---|
Stage #1: N-(4-chlorophenyl)formamide With potassium carbonate In acetonitrile for 0.5h; Reflux; Stage #2: 2,3,4,5,6-pentachloropyridine In acetonitrile at 85℃; for 12h; Solvent; Temperature; | 90% |
2,3,4,5,6-pentachloropyridine
1,3,4-trichloro-9-(4-methylbenzylidene)-6-(p-tolyl)-6,7,8,9-tetrahydrocyclopenta[D]pyrido[4′,3′:4,5]thiazolo[3,2-a]pyrimidine
Conditions | Yield |
---|---|
Stage #1: 1,3,4-trichloro-9-(4-methylbenzylidene)-6-(p-tolyl)-6,7,8,9-tetrahydrocyclopenta[D]pyrido[4′,3′:4,5]thiazolo[3,2-a]pyrimidine With potassium carbonate In acetonitrile at 100 - 110℃; for 0.5h; Stage #2: 2,3,4,5,6-pentachloropyridine In acetonitrile for 24h; Solvent; Reflux; | 90% |
Conditions | Yield |
---|---|
In acetone for 5h; Heating; | 89% |
In acetone | 89% |
2,3,4,5,6-pentachloropyridine
4-tert-Butylphenylacetylene
2,3,4,5,6-pentakis(4-tert-butylphenylethynyl)pyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); copper(l) iodide; diisopropylamine; XPhos In 1,4-dioxane at 80℃; for 10h; Sonogashira coupling; Inert atmosphere; Sealed tube; | 89% |
2,3,4,5,6-pentachloropyridine
4-tert-butylphenylboronic acid
2,3,4,5,6-pentakis(4-tert-butylphenyl)pyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); potassium phosphate; 2-dicyclohexylphosphino-2’,6’-dimethoxybiphenyl In toluene at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; Sealed tube; | 89% |
2,3,4,5,6-pentachloropyridine
4-trifluoromethoxyphenylboronic acid
2,3,4,5,6-pentakis[4-(trifluoromethoxy)phenyl]pyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); potassium phosphate; 2-dicyclohexylphosphino-2’,6’-dimethoxybiphenyl In toluene at 100℃; for 20h; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique; Sealed tube; | 89% |
2,3,4,5,6-pentachloropyridine
8-(4-methylbenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methylphenyl)quinazoline-2(1H)-thione
Conditions | Yield |
---|---|
Stage #1: 8-(4-methylbenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methylphenyl)quinazoline-2(1H)-thione With potassium carbonate In acetonitrile at 100 - 110℃; for 0.5h; Stage #2: 2,3,4,5,6-pentachloropyridine In acetonitrile for 22h; Reflux; | 89% |
Conditions | Yield |
---|---|
Stage #1: C24H26N2O4S With potassium carbonate In acetonitrile at 100 - 110℃; for 0.5h; Stage #2: 2,3,4,5,6-pentachloropyridine In acetonitrile for 25h; Reflux; | 89% |
1-ethynyl-4-fluorobenzene
2,3,4,5,6-pentachloropyridine
2,3,4,5,6-pentakis(4-fluorophenylethynyl)pyridine
Conditions | Yield |
---|---|
With dichloro bis(acetonitrile) palladium(II); copper(l) iodide; diisopropylamine; XPhos In 1,4-dioxane at 80℃; for 8h; Sonogashira coupling; Inert atmosphere; Sealed tube; | 88% |
2,3,4,5,6-pentachloropyridine
7-(4-methoxybenzylidene)-4-(4-methoxyphenyl)-3, 4, 6,7-tetrahydro-1H cyclopenta[d]pyrimidin-2(5H)-thione
Conditions | Yield |
---|---|
Stage #1: 7-(4-methoxybenzylidene)-4-(4-methoxyphenyl)-3, 4, 6,7-tetrahydro-1H cyclopenta[d]pyrimidin-2(5H)-thione With potassium carbonate In acetonitrile at 100 - 110℃; for 0.5h; Stage #2: 2,3,4,5,6-pentachloropyridine In acetonitrile for 26h; Reflux; | 88% |
2,3,4,5,6-pentachloropyridine
Conditions | Yield |
---|---|
With boron trifluoride; fluorine In trifluoroacetic acid at 10℃; for 3h; | 87% |
2,3,4,5,6-pentachloropyridine
potassium S-i-propyltrithiocarbonate
2,3,5,6-tetrachloro-4-(isopropylsulfanyl)pyridine
Conditions | Yield |
---|---|
In ethanol at 20℃; for 6h; Substitution; | 87% |
2,3,4,5,6-pentachloropyridine
8-(4-methoxybenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methoxyphenyl)quinazoline-2(1H)-thione
Conditions | Yield |
---|---|
Stage #1: 8-(4-methoxybenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methoxyphenyl)quinazoline-2(1H)-thione With potassium carbonate In acetonitrile at 100 - 110℃; for 0.5h; Stage #2: 2,3,4,5,6-pentachloropyridine In acetonitrile for 23h; Reflux; | 87% |
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