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Dayang Chem (Hangzhou) Co.,Ltd.

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

Pentachloropyridine Manufacturer/High quality/Best price/In stock

Cas:2176-62-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

COLORCOM LTD.

Colorcom 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

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our 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

Pentachloropyridine

Cas:2176-62-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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

CAS 2176-62-7 Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

New production CAS 2176-62-7 with best quality

Cas:2176-62-7

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

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

Pentachloropyridine

Cas:2176-62-7

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

product name Pentachloropyridine cas no. 2176-62-7 molecular formula

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

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

Pyridine,2,3,4,5,6-pentachloro- 2176-62-7

Cas:2176-62-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

Pyridine,2,3,4,5,6-pentachloro-

Cas:2176-62-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best 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

Pentachloropyridine

Cas:2176-62-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Triumph International Development Limilted

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

Pentachloropyridine

Cas:2176-62-7

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

Pentachloropyridine

Cas:2176-62-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

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

PENTACHLOROPYRIDINE

Cas:2176-62-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

Pentachloropyridine

Cas:2176-62-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

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

Factory Supply Pentachloropyridine

Cas:2176-62-7

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

SAGECHEM/ Perchloropyridine /Manufacturer in China

Cas:2176-62-7

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We 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

Pentachloropyridine

Cas:2176-62-7

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

superior quality moderate price & quick delivery Appearance:WHITE TO OFF-WHITE FLAKES Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Used t

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP 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,

Perchloropyridine

Cas:2176-62-7

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

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

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?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

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou 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

Pentachloropyridine

Cas:2176-62-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

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

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.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

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Pentachloropyridine

Cas:2176-62-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

SAGECHEM LIMITED

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

SAGECHEM/ Perchloropyridine /Manufacturer in China

Cas:2176-62-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Suzhou Health Chemicals Co., Ltd.

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

Pentachloropyridine

Cas:2176-62-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

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

Pentachloropyridine

Cas:2176-62-7

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

Pentachloropyridine cas no. 2176-62-7 98%

Cas:2176-62-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
With sodium hydroxide; hexachloroethane; tetrabutylammomium bromide In dichloromethane at 55℃;71%
With phosphorus pentachloride
tetrachlo-5-iodoropyridine
72012-23-8

tetrachlo-5-iodoropyridine

A

2,3,4,6-Tetrachloropyridine
14121-36-9

2,3,4,6-Tetrachloropyridine

B

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

C

octachloro-3,3'-bipyridyl

octachloro-3,3'-bipyridyl

Conditions
ConditionsYield
With copper In N,N-dimethyl-formamide at 150℃;A 3%
B n/a
C 71%
4-Bromo-2,3,5,6-tetrachloropyridine
23995-94-0

4-Bromo-2,3,5,6-tetrachloropyridine

A

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

B

2,3,4,6-Tetrachloropyridine
14121-36-9

2,3,4,6-Tetrachloropyridine

C

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

D

octachloro-4,4'-bipyridyl
18725-60-5

octachloro-4,4'-bipyridyl

Conditions
ConditionsYield
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
30332-35-5

tetrachloro-4-iodopyridine

A

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

B

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

C

octachloro-4,4'-bipyridyl
18725-60-5

octachloro-4,4'-bipyridyl

Conditions
ConditionsYield
With copper In N,N-dimethyl-formamide at 150℃;A 22%
B 4%
C 52%
bis(2,3,5,6-tetrachloropyridin-4-yl)sulfane
39873-38-6

bis(2,3,5,6-tetrachloropyridin-4-yl)sulfane

A

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

B

hexachlorodipyrido<5,4-b;3,4-d>thiophen
63954-14-3

hexachlorodipyrido<5,4-b;3,4-d>thiophen

Conditions
ConditionsYield
In tetrachloromethane for 24h; Irradiation;A 6.5%
B 44%
4-Bromo-2,3,5,6-tetrachloropyridine
23995-94-0

4-Bromo-2,3,5,6-tetrachloropyridine

A

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

B

2,3,4,6-Tetrachloropyridine
14121-36-9

2,3,4,6-Tetrachloropyridine

C

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

D

octachloro-3,4'-bipyridyl

octachloro-3,4'-bipyridyl

E

octachloro-4,4'-bipyridyl
18725-60-5

octachloro-4,4'-bipyridyl

Conditions
ConditionsYield
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
23995-94-0

4-Bromo-2,3,5,6-tetrachloropyridine

A

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

B

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

C

octachloro-3,4'-bipyridyl

octachloro-3,4'-bipyridyl

D

octachloro-4,4'-bipyridyl
18725-60-5

octachloro-4,4'-bipyridyl

Conditions
ConditionsYield
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
74894-12-5

tetrachloro-4-(2-pyridylthio)pyridine

A

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

B

1,3,4-trichlorodipyrido<2,3-b;3,4-d>thiophen
74894-22-7

1,3,4-trichlorodipyrido<2,3-b;3,4-d>thiophen

Conditions
ConditionsYield
In tetrahydrofuran; ethanol for 6h; Irradiation;A 39%
B 13%
tetrachloromethane
56-23-5

tetrachloromethane

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

A

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

B

4-dichloromethyl-2,3,5,6-tetrachloropyridine
37665-08-0

4-dichloromethyl-2,3,5,6-tetrachloropyridine

C

4-trichloromethyl-2,3,5,6-tetrachloropyridine

4-trichloromethyl-2,3,5,6-tetrachloropyridine

Conditions
ConditionsYield
With tetrachloromethane; tetrabutylammomium bromide In sodium hydroxide at 50℃; for 4h;A n/a
B 30%
C n/a
tetrachloro-4-pyridylcopper
27425-94-1

tetrachloro-4-pyridylcopper

benzoyl chloride
98-88-4

benzoyl chloride

A

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

B

4-benzoyltetrachloropyridine
18613-89-3

4-benzoyltetrachloropyridine

C

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

D

octachloro-4,4'-bipyridyl
18725-60-5

octachloro-4,4'-bipyridyl

Conditions
ConditionsYield
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
27425-94-1

tetrachloro-4-pyridylcopper

A

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

B

4-benzoyltetrachloropyridine
18613-89-3

4-benzoyltetrachloropyridine

C

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

D

octachloro-4,4'-bipyridyl
18725-60-5

octachloro-4,4'-bipyridyl

Conditions
ConditionsYield
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
14092-11-6

1-pyrrolidino-1-cycloheptene

2,3,4,5,6-pentachloropyridine N-oxide
17573-93-2

2,3,4,5,6-pentachloropyridine N-oxide

A

1-(tetrachloro-2-pyridyl)cyclohexene
71602-56-7

1-(tetrachloro-2-pyridyl)cyclohexene

B

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

C

2-chloro-7-(tetrachloro-2-pyridyl)cycloheptanone
76277-93-5

2-chloro-7-(tetrachloro-2-pyridyl)cycloheptanone

Conditions
ConditionsYield
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
936-52-7

1-(N-morpholino)cyclopent-1-ene

2,3,4,5,6-pentachloropyridine N-oxide
17573-93-2

2,3,4,5,6-pentachloropyridine N-oxide

A

2-(tetrachloro-N-oxido-2-pyridyl)cyclopentanone
71602-52-3

2-(tetrachloro-N-oxido-2-pyridyl)cyclopentanone

B

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
In toluene for 14h; Heating;A 6%
B 1%
pyridine
110-86-1

pyridine

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
With phosphorus pentachloride
With chlorine
3-nitropyridine
2530-26-9

3-nitropyridine

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
With chlorine at 130 - 150℃;
pyridine hydrochloride
628-13-7

pyridine hydrochloride

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
With chlorine at 115 - 120℃;
2,6-dichloropyridine-4-carboxylic acid
5398-44-7

2,6-dichloropyridine-4-carboxylic acid

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
With phosphorus pentachloride
2-Cyanopyridine
100-70-9

2-Cyanopyridine

A

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

B

6-chloro-pyridine-2-carbonitrile
33252-29-8

6-chloro-pyridine-2-carbonitrile

C

3,4,5,6-tetrachloropicolinonitrile
17824-83-8

3,4,5,6-tetrachloropicolinonitrile

D

3,4,5-trichloro-2-picolinonitrile
139485-42-0

3,4,5-trichloro-2-picolinonitrile

Conditions
ConditionsYield
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
1134-04-9

2,3,4,5-tetrachloro-6-(trichloromethyl)-pyridine

A

tetrachloromethane
56-23-5

tetrachloromethane

B

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
With chlorine at 200℃; Rate constant;
2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

phosphorus pentachloride
10026-13-8, 874483-75-7

phosphorus pentachloride

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

2,6-dichloropyridine-4-carboxylic acid
5398-44-7

2,6-dichloropyridine-4-carboxylic acid

(excess) phosphorus pentachloride

(excess) phosphorus pentachloride

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
at 300℃; im Rohr;
pyridine N-oxide
694-59-7

pyridine N-oxide

hydrogenchloride
7647-01-0

hydrogenchloride

sulfuryl dichloride
7791-25-5

sulfuryl dichloride

A

2-chloropyridine
109-09-1

2-chloropyridine

B

4-Chloropyridine
626-61-9

4-Chloropyridine

C

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
at 120℃;
pyridine
110-86-1

pyridine

chlorine
7782-50-5

chlorine

A

3-Chloropyridine
626-60-8

3-Chloropyridine

B

3,4,5-trichloropyridine
33216-52-3

3,4,5-trichloropyridine

C

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

D

3,5-dichloropyridine
2457-47-8

3,5-dichloropyridine

Conditions
ConditionsYield
at 170℃; beim Behandeln des Pyridin-hydrochlorids;
3,4,5-trichloro-2-trichloromethyl pyridine
1201-30-5

3,4,5-trichloro-2-trichloromethyl pyridine

A

tetrachloromethane
56-23-5

tetrachloromethane

B

2,3,4,5-tetrachloro-pyridine
2808-86-8

2,3,4,5-tetrachloro-pyridine

C

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

D

2,3,4,5-tetrachloro-6-(trichloromethyl)-pyridine
1134-04-9

2,3,4,5-tetrachloro-6-(trichloromethyl)-pyridine

E

HCl

HCl

Conditions
ConditionsYield
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
carbon

carbon

A

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

B

hexachloroethane
67-72-1

hexachloroethane

C

hexachlorobenzene
118-74-1

hexachlorobenzene

D

octachlorostyrene
29082-74-4

octachlorostyrene

Conditions
ConditionsYield
With aluminium trichloride at 300℃; for 24h; Chlorination; cyclization; Further byproducts given. Title compound not separated from byproducts;
anode graphite

anode graphite

A

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

B

Hexachlorobutadiene
87-68-3

Hexachlorobutadiene

C

hexachlorobenzene
118-74-1

hexachlorobenzene

D

octachlorostyrene
29082-74-4

octachlorostyrene

Conditions
ConditionsYield
With melt electrolyte at 700℃; Formation of xenobiotics; electrolysis; Further byproducts given. Title compound not separated from byproducts;
graphite

graphite

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
With oxygen; urea; copper dichloride at 300℃; Formation of xenobiotics;
2,3,5-trichloropyridine
16063-70-0

2,3,5-trichloropyridine

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
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
23995-94-0

4-Bromo-2,3,5,6-tetrachloropyridine

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

Conditions
ConditionsYield
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
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

1-(4-dimethylamino)-[2,3,5,6-tetrachloro-pyridin-4-yl]pyridinium chloride

1-(4-dimethylamino)-[2,3,5,6-tetrachloro-pyridin-4-yl]pyridinium chloride

Conditions
ConditionsYield
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℃;
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

(3,5-dichloropyridine-2,4,6-triyl)-1,1',1''-tris[4-(dimethylamino)pyridinium] trichloride

(3,5-dichloropyridine-2,4,6-triyl)-1,1',1''-tris[4-(dimethylamino)pyridinium] trichloride

Conditions
ConditionsYield
In 1,2-dichloro-benzene at 120℃; for 3h;100%
In 1,2-dichloro-benzene Heating;
Heating;
4-aminopyridine
504-24-5

4-aminopyridine

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

1,1',1''-tris[4-amino-(3,5-dichloropyridine-2,4,6-triyl)-pyridinium] trichloride

1,1',1''-tris[4-amino-(3,5-dichloropyridine-2,4,6-triyl)-pyridinium] trichloride

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 120℃; for 1h;100%
Heating;
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

4-pyrrolidin-1-ylpyridine
2456-81-7

4-pyrrolidin-1-ylpyridine

1,1',1''-tris[4-pyrrolidino-(3,5-dichloropyridine-2,4,6-triyl)-pyridinium] trichloride

1,1',1''-tris[4-pyrrolidino-(3,5-dichloropyridine-2,4,6-triyl)-pyridinium] trichloride

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 120℃; for 2h;100%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

Conditions
ConditionsYield
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;
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

tris(trimethylsilyl) phosphite
1795-31-9

tris(trimethylsilyl) phosphite

C11H18Cl4NO3PSi2

C11H18Cl4NO3PSi2

Conditions
ConditionsYield
With nickel dichloride at 150℃; for 0.5h;99%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

phenylboronic acid
98-80-6

phenylboronic acid

2,3,4,5,6-pentaphenylpyridine
40249-26-1

2,3,4,5,6-pentaphenylpyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

4-methylphenylboronic acid
5720-05-8

4-methylphenylboronic acid

2,3,4,5,6-pentakis(4-tolyl)pyridine
1639431-10-9

2,3,4,5,6-pentakis(4-tolyl)pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

2,3,4,5,6-pentakis(4-methoxyphenyl)pyridine
1639431-14-3

2,3,4,5,6-pentakis(4-methoxyphenyl)pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

2,3,5,6-tetrachloro-4-azidopyridine
51379-64-7

2,3,5,6-tetrachloro-4-azidopyridine

Conditions
ConditionsYield
With sodium azide In acetone at 20℃;98%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

A

2,3,6-trichloropyridine
6515-09-9

2,3,6-trichloropyridine

B

2,3,5-trichloropyridine
16063-70-0

2,3,5-trichloropyridine

C

2,3,5,6-tetrachloropyridine
2402-79-1

2,3,5,6-tetrachloropyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

sodium thiomethoxide
5188-07-8

sodium thiomethoxide

2,3,5,6-tetrachloro-4-methylmercaptopyridine
22963-62-8

2,3,5,6-tetrachloro-4-methylmercaptopyridine

Conditions
ConditionsYield
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;
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

3,5-dichloro-2,4,6-trifluoropyridine
1737-93-5

3,5-dichloro-2,4,6-trifluoropyridine

Conditions
ConditionsYield
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%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

4-pyrrolidin-1-ylpyridine
2456-81-7

4-pyrrolidin-1-ylpyridine

1-(4-pyrrolidino)-[2,3,5,6-tetrachloropyridin-4-yl]-pyridinium chloride

1-(4-pyrrolidino)-[2,3,5,6-tetrachloropyridin-4-yl]-pyridinium chloride

Conditions
ConditionsYield
In 1,2-dichloro-benzene at 20℃; for 24h;95%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

3,5-dichloro-2,4,6-triazido-pyridine
51379-63-6

3,5-dichloro-2,4,6-triazido-pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

phenylacetylene
536-74-3

phenylacetylene

2,3,4,5,6-pentakis(phenylethynyl)pyridine
1269423-16-6

2,3,4,5,6-pentakis(phenylethynyl)pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

A

2,3,5,6-tetrachloro-4-pyridinol
2322-38-5

2,3,5,6-tetrachloro-4-pyridinol

B

3,4,5,6-tetrachloro-2-pyridinol
17368-22-8

3,4,5,6-tetrachloro-2-pyridinol

Conditions
ConditionsYield
With potassium hydroxide In tert-butyl alcohol for 10h; Heating;A n/a
B 90%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

N-(4-chlorophenyl)formamide
2617-79-0

N-(4-chlorophenyl)formamide

2,3,5,6-tetrachloro-N-(4-chlorophenyl)pyridin-4-amine
33028-83-0

2,3,5,6-tetrachloro-N-(4-chlorophenyl)pyridin-4-amine

Conditions
ConditionsYield
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
2176-62-7

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
1141931-76-1

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

C27H20Cl3N3S

C27H20Cl3N3S

Conditions
ConditionsYield
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%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

sodium dimethyldithiocarbamate
128-04-1

sodium dimethyldithiocarbamate

2,3,5,6-tetrachloro-4-pyridyl N,N-dimethyldithiocarbamate

2,3,5,6-tetrachloro-4-pyridyl N,N-dimethyldithiocarbamate

Conditions
ConditionsYield
In acetone for 5h; Heating;89%
In acetone89%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

4-tert-Butylphenylacetylene
772-38-3

4-tert-Butylphenylacetylene

2,3,4,5,6-pentakis(4-tert-butylphenylethynyl)pyridine
1269423-18-8

2,3,4,5,6-pentakis(4-tert-butylphenylethynyl)pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

4-tert-butylphenylboronic acid
123324-71-0

4-tert-butylphenylboronic acid

2,3,4,5,6-pentakis(4-tert-butylphenyl)pyridine
1639431-13-2

2,3,4,5,6-pentakis(4-tert-butylphenyl)pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

4-trifluoromethoxyphenylboronic acid
139301-27-2

4-trifluoromethoxyphenylboronic acid

2,3,4,5,6-pentakis[4-(trifluoromethoxy)phenyl]pyridine
1639431-20-1

2,3,4,5,6-pentakis[4-(trifluoromethoxy)phenyl]pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

8-(4-methylbenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methylphenyl)quinazoline-2(1H)-thione
65331-29-5

8-(4-methylbenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methylphenyl)quinazoline-2(1H)-thione

C28H22Cl3N3S

C28H22Cl3N3S

Conditions
ConditionsYield
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%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

C24H26N2O4S

C24H26N2O4S

C29H24Cl3N3O4S

C29H24Cl3N3O4S

Conditions
ConditionsYield
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
766-98-3

1-ethynyl-4-fluorobenzene

2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

2,3,4,5,6-pentakis(4-fluorophenylethynyl)pyridine
1269423-19-9

2,3,4,5,6-pentakis(4-fluorophenylethynyl)pyridine

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

7-(4-methoxybenzylidene)-4-(4-methoxyphenyl)-3, 4, 6,7-tetrahydro-1H cyclopenta[d]pyrimidin-2(5H)-thione
131652-00-1

7-(4-methoxybenzylidene)-4-(4-methoxyphenyl)-3, 4, 6,7-tetrahydro-1H cyclopenta[d]pyrimidin-2(5H)-thione

C27H20Cl3N3O2S

C27H20Cl3N3O2S

Conditions
ConditionsYield
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
2176-62-7

2,3,4,5,6-pentachloropyridine

N-Fluoropentachloropyridinium tetrafluoroborate

N-Fluoropentachloropyridinium tetrafluoroborate

Conditions
ConditionsYield
With boron trifluoride; fluorine In trifluoroacetic acid at 10℃; for 3h;87%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

potassium S-i-propyltrithiocarbonate
52207-49-5

potassium S-i-propyltrithiocarbonate

2,3,5,6-tetrachloro-4-(isopropylsulfanyl)pyridine
19050-46-5

2,3,5,6-tetrachloro-4-(isopropylsulfanyl)pyridine

Conditions
ConditionsYield
In ethanol at 20℃; for 6h; Substitution;87%
2,3,4,5,6-pentachloropyridine
2176-62-7

2,3,4,5,6-pentachloropyridine

8-(4-methoxybenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methoxyphenyl)quinazoline-2(1H)-thione
65331-30-8

8-(4-methoxybenzylidene)-3,4,5,6,7,8-hexahydro-4-(4-methoxyphenyl)quinazoline-2(1H)-thione

C28H22Cl3N3O2S

C28H22Cl3N3O2S

Conditions
ConditionsYield
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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