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Simagchem Corporation

Welcome 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

High quality Tetrachloroterephthalodinitrile supplier in China

Cas:1897-41-2

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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 1,4-dicyano-2,3,5,6-tetra-chloro-benzene

Cas:1897-41-2

Min.Order:1

Negotiable

Type:Other

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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

Tetrachloro-Terephthalonitrile

Cas:1897-41-2

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Dayang Chem (Hangzhou) Co.,Ltd.

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 according to the contract research and development services for the fine c

Tetrachloroterephthalonitrile 1897-41-2 /manufacturer/low price/high quality/in stock

Cas:1897-41-2

Min.Order:1 Kilogram

FOB Price: $5.0 / 6.0

Type:Lab/Research institutions

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

2,3,5,6-Tetrachloroterephthalodinitrile

Cas:1897-41-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1892.html Product Name Tetrachloroterephthalonitrile CAS No. 1897-4

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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

Manufacturer supply CAS 1897-41-2 with best quality

Cas:1897-41-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

roduct Name Tetrachloroterephthalonitrile Synonyms 2,3,5,6-Tetrachloroterephthalonitrile 2,3,5,6-tetrachlorobenzene-1,4-dicarbonitrile Tetrachloro-terephthalonitrile

Tetrachloroterephthalonitrile CAS:1897-41-2

Cas:1897-41-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

Tetrachloroterephthalonitrile CAS:1897-41-2

Cas:1897-41-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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

p-Phthalodinitrile, tetrachloro- 1897-41-2

Cas:1897-41-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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

p-Phthalodinitrile, tetrachloro-

Cas:1897-41-2

Min.Order:0

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:0 Metric Ton

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and als

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our 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 o

1897-41-2 Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product 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,

High purity Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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,

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:0

Negotiable

Type:Manufacturers

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

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

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec Tetrachloroterephthalonitrile 500g

Cas:1897-41-2

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Tetrachloroterephthalodinitrile

Cas:1897-41-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

Tetrachloroterephthalonitrile

Cas:1897-41-2

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

2,3,5,6-tetrachloro-1,4-benzenecarboxamide
1786-85-2

2,3,5,6-tetrachloro-1,4-benzenecarboxamide

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

Conditions
ConditionsYield
With trichlorophosphate at 135℃; for 6h;89%
1,2,4,5-tetrachloro-3,6-dinitrobenzene
20098-38-8

1,2,4,5-tetrachloro-3,6-dinitrobenzene

potassium cyanide
151-50-8

potassium cyanide

A

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

B

2,3,5,6-Tetrachloro-4-nitro-benzonitrile

2,3,5,6-Tetrachloro-4-nitro-benzonitrile

Conditions
ConditionsYield
With cetyltrimethylammonim bromide In chloroform; water for 2h; Product distribution; Heating; various substituted nitrobenzenes;A 79%
B 4%
With cetyltrimethylammonim bromide In diethyl ether; chloroform for 2h; Heating;A 79%
B 4%
tetrachloroterephthaloyl dichloride
719-32-4

tetrachloroterephthaloyl dichloride

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 91 percent / NH3 / diethyl ether / 8 h / 0 - 20 °C
2: 89 percent / POCl3 / 6 h / 135 °C
View Scheme
terephthaloyl chloride
100-20-9

terephthaloyl chloride

2.5-diethoxy-aniline hydrochloride

2.5-diethoxy-aniline hydrochloride

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 65 percent / Fe; Cl2 / 24 h / 180 °C
2: 91 percent / NH3 / diethyl ether / 8 h / 0 - 20 °C
3: 89 percent / POCl3 / 6 h / 135 °C
View Scheme
1,2,4,5-tetrachloro-3,6-dinitrobenzene
20098-38-8

1,2,4,5-tetrachloro-3,6-dinitrobenzene

cetyltrimethylammonim bromide
57-09-0

cetyltrimethylammonim bromide

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

Conditions
ConditionsYield
In chloroform; water
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

4-mercaptobenzoic acid
1074-36-8

4-mercaptobenzoic acid

4,4',4'',4'''-((3,6-dicyanobenzene-1,2,4,5-tetrayl)tetrakis(sulfanediyl))-tetrabenzoic acid

4,4',4'',4'''-((3,6-dicyanobenzene-1,2,4,5-tetrayl)tetrakis(sulfanediyl))-tetrabenzoic acid

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 24h; Inert atmosphere;99%
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 48h; Inert atmosphere;35%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

Dactal
2136-79-0

Dactal

Conditions
ConditionsYield
With sulfuric acid97%
With sulfuric acid97%
With sulfuric acid; water; acetic acid at 190℃; for 72h;91.2%
With sulfuric acid In water at 75 - 163℃; for 8.5h; Temperature; Solvent; Flow reactor;1609 g
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

4-aminotiophenol
1193-02-8

4-aminotiophenol

2,3,5,6-tetrakis((4-aminophenyl)thio)terephthalonitrile

2,3,5,6-tetrakis((4-aminophenyl)thio)terephthalonitrile

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 40℃; for 5h; Inert atmosphere;97%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

2,3,5,6-tetrachloro-1,4-benzenecarboxamide
1786-85-2

2,3,5,6-tetrachloro-1,4-benzenecarboxamide

Conditions
ConditionsYield
Stage #1: 2,3,5,6-tetrachloroterephthalonitrile With acetamide; acetic acid at 50℃; under 760.051 Torr; for 0.5h;
Stage #2: With tetrakis(acetonitrile)palladium(II) tetrafluoroborate at 50℃; under 2 Torr; for 2h;
96%
4-sulfanylphenol
637-89-8

4-sulfanylphenol

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

2,3,5,6-tetrakis(4-hydroxyphenylthio)benzene-1,4-dinitrile

2,3,5,6-tetrakis(4-hydroxyphenylthio)benzene-1,4-dinitrile

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 45℃; for 6h; Inert atmosphere;94%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

tetrafluoroterephthalonitrile
1835-49-0

tetrafluoroterephthalonitrile

Conditions
ConditionsYield
With potassium fluoride; 18-crown-6 ether In N,N-dimethyl-formamide at 140℃; for 6h;92%
With potassium fluoride In N,N-dimethyl-formamide at 110℃; for 10h; Product distribution / selectivity;90%
With potassium fluoride; tetra-n-propylammonium bromide In N,N-dimethyl-formamide at 130℃; for 7h; Product distribution / selectivity;90%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

1,2,3,4,7,8,9,10-octahydro-[1,2,3]benzodiazaphospholo[2,1-a][1,2,3]benzodiazaphosphole
1570321-40-2

1,2,3,4,7,8,9,10-octahydro-[1,2,3]benzodiazaphospholo[2,1-a][1,2,3]benzodiazaphosphole

chlorobenzene
108-90-7

chlorobenzene

C32H32Cl4N6P4*C6H5Cl

C32H32Cl4N6P4*C6H5Cl

Conditions
ConditionsYield
at 20℃; for 1h; Schlenk technique; Inert atmosphere;91%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

benzene-1,2-diol
120-80-9

benzene-1,2-diol

C14H4Cl2N2O2

C14H4Cl2N2O2

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 24h;90%
potassium fluoride

potassium fluoride

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

tetrafluoroterephthalonitrile
1835-49-0

tetrafluoroterephthalonitrile

Conditions
ConditionsYield
heating to 300°C, 5 h;74.4%
heating to 300°C, 5 h;74.4%
heating to 250°C, 5 h;68.7%
tetrahydrofuran
109-99-9

tetrahydrofuran

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

5,6,13,14-tetrahydro-7λ2,15λ2-naphtho[2,1-d]naphtho[2',1':4,5][1,2,3]diazaphospholo[2,1-a][1,2,3]diazaphosphole

5,6,13,14-tetrahydro-7λ2,15λ2-naphtho[2,1-d]naphtho[2',1':4,5][1,2,3]diazaphospholo[2,1-a][1,2,3]diazaphosphole

C48H32Cl4N6P4*2C4H8O

C48H32Cl4N6P4*2C4H8O

Conditions
ConditionsYield
at 20℃; for 2h; Schlenk technique; Inert atmosphere;74%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

thiophenol
108-98-5

thiophenol

2,3,5,6-tetrakis(phenylthio)terephthalonitrile

2,3,5,6-tetrakis(phenylthio)terephthalonitrile

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 12h; Inert atmosphere;66%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

1,2-benzenedithiole
17534-15-5

1,2-benzenedithiole

C20H8N2S4

C20H8N2S4

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 72h;62%
pyridine-4-thiol
4556-23-4

pyridine-4-thiol

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

2,3,5,6-tetrakis(pyridin-4-ylthio)terephthalonitrile

2,3,5,6-tetrakis(pyridin-4-ylthio)terephthalonitrile

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 45℃; for 5h; Inert atmosphere;56%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

2,6-dichloro-4-(trifluoromethyl)aniline
24279-39-8

2,6-dichloro-4-(trifluoromethyl)aniline

2,3,5-trichloro-6-(2,6-dichloro-4-(trifluoromethyl)phenylamino)terephthalonitrile
1416421-46-9

2,3,5-trichloro-6-(2,6-dichloro-4-(trifluoromethyl)phenylamino)terephthalonitrile

Conditions
ConditionsYield
Stage #1: 2,6-dichloro-4-(trifluoromethyl)aniline With sodium hydroxide In N,N-dimethyl-formamide for 0.166667h;
Stage #2: 2,3,5,6-tetrachloroterephthalonitrile In N,N-dimethyl-formamide at 60℃; for 2h;
55%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

diethyl 2,6-dimethyl-4-benzyl-1,4-dihydropyridine-3,5-dicarboxylate
1539-57-7

diethyl 2,6-dimethyl-4-benzyl-1,4-dihydropyridine-3,5-dicarboxylate

C14H7Cl4N

C14H7Cl4N

Conditions
ConditionsYield
With tris[2-phenylpyridinato-C2,N]iridium(III); sodium acetate at 25℃; for 18h; Irradiation;54%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

1,2-benzenedithiole
17534-15-5

1,2-benzenedithiole

C14H4Cl2N2S2

C14H4Cl2N2S2

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 24h;43%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

C8H2Cl4N8
1244467-05-7

C8H2Cl4N8

Conditions
ConditionsYield
Stage #1: 2,3,5,6-tetrachloroterephthalonitrile With sodium azide; pyridine hydrochloride In N,N-dimethyl-formamide at 120℃; for 24h;
Stage #2: With water; sodium hydroxide In N,N-dimethyl-formamide at 20℃;
32%
ortho-mercaptophenol
1121-24-0

ortho-mercaptophenol

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

C14H4Cl2N2OS

C14H4Cl2N2OS

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 50℃; for 3h;12%
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

2,3,5,6-tetrafluoro-1,4-benzenedimethanol
92339-07-6

2,3,5,6-tetrafluoro-1,4-benzenedimethanol

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 92 percent / KF; 18-crown-6 / dimethylformamide / 6 h / 140 °C
2: 80 percent / H2; H2SO4 / Ni / 48 h / 30 °C
3: 87 percent / aq. H2SO4 / 2 h / 20 °C
4: 52 percent / LiAlH4 / diethyl ether / 2 h / Heating
View Scheme
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

2,3,5,6-tetrafluoroterephthalaldehyde
3217-47-8

2,3,5,6-tetrafluoroterephthalaldehyde

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 92 percent / KF; 18-crown-6 / dimethylformamide / 6 h / 140 °C
2: 80 percent / H2; H2SO4 / Ni / 48 h / 30 °C
3: 87 percent / aq. H2SO4 / 2 h / 20 °C
View Scheme
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

2,3,5,6-tetrafluoroterephthalaldehyde dimethylacetal
306739-72-0

2,3,5,6-tetrafluoroterephthalaldehyde dimethylacetal

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 92 percent / KF; 18-crown-6 / dimethylformamide / 6 h / 140 °C
2: 80 percent / H2; H2SO4 / Ni / 48 h / 30 °C
View Scheme
2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

C20H12F4N2

C20H12F4N2

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 92 percent / KF; 18-crown-6 / dimethylformamide / 6 h / 140 °C
2: 80 percent / H2; H2SO4 / Ni / 48 h / 30 °C
3: 87 percent / aq. H2SO4 / 2 h / 20 °C
4: 75 percent / 16 h / 120 °C
View Scheme
potassium fluoride

potassium fluoride

2,3,5,6-tetrachloroterephthalonitrile
1897-41-2

2,3,5,6-tetrachloroterephthalonitrile

A

dichlorodifluoro-1,4-phenylene dicyanide
60341-41-5

dichlorodifluoro-1,4-phenylene dicyanide

B

2-chloro-3,5,6-trifluoro-1,4-phenylene dicyanide
1929-68-6

2-chloro-3,5,6-trifluoro-1,4-phenylene dicyanide

Conditions
ConditionsYield
evidently an isomeric mixture is obtained;
evidently an isomeric mixture is obtained;

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