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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 2,2'-Bis(trifluoromethyl)benzidine 341-58-2 ISO Manufacturer

Cas:341-58-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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 quantiti

2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:1 Gram

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Type:Lab/Research institutions

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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

Jinan Finer Chemical Co., Ltd

2,2'-Bis(trifluoromethyl)benzidine Product Description Product Name 2,2'-Bis(trifluoromethyl)benzidine CAS No. 341-58-2 Appearance White powder Assay

2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:1 Gram

FOB Price: $11.0

Type:Lab/Research institutions

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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 2,2'-Bis(Trifluoromethyl)Benzidine supplier in China

Cas:341-58-2

Min.Order:0 Metric Ton

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Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Hot selling 2,2'-Bis(trifluoromethyl)benzidine Cas 341-58-2 with high quality Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediate

Hot selling 2,2'-Bis(trifluoromethyl)benzidine Cas 341-58-2 with high quality

Cas:341-58-2

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Chemwill Asia Co., Ltd.

2,2'-Bis(trifluoromethyl)benzidine Manufacturer Factory CAS 341-58-2 TFMB 2,2'-Bis(trifluoromethyl)benzidine Manufacturer High quality Best price In stock factory CAS 341-58-2 2,2'-Bis(trifluoromethyl)benzidine COA TDS price MSDS

2,2'-Bis(trifluoromethyl)benzidine Manufacturer Factory CAS 341-58-2 TFMB

Cas:341-58-2

Min.Order:5 Kiloliter

FOB Price: $3.5 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

2,2'-Bis(trifluoromethyl)benzidine Basic information Product Name: 2,2'-Bis(trifluoromethyl)benzidine Synonyms: ABL-21;4,4'-DIAMINO-2,2'-BIS(TRIFLUOROMETHYL)BIPHENYL;22TF

TIANFU-CHEM best price 2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: 2,2'-Bis(trifluoromethyl)benzidine CAS:341-58-2 MF: C14H10F6N2 Appearance: Snow white powder. Storage:Store in cool and dry place, away from sun light. Package:25KG Application:Polyimide monomer Transportation:By sea or by air Port:Qing

2,2'-Bis(trifluoromethyl)benzidine CAS:341-58-2

Cas:341-58-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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

Factory direct supply CAS 341-58-2 with best quality

Cas:341-58-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

2,2'-Bis(trifluoromethyl)benzidine; 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine

Cas:341-58-2

Min.Order:10 Kilogram

FOB Price: $40.0 / 60.0

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv

99%min 2,2'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine Manufacturer

Cas:341-58-2

Min.Order:10 Gram

Negotiable

Type:Other

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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

2,2'-Bis(trifluoromethyl)benzidine 341-58-2

Cas:341-58-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: 2,2'-Bis(trifluoromethyl)benzidine Synonyms: 2,2'-Bis(trifluoroMethyl)-4,4'-diaMino biphenyl(TFMB/TFDB);2,2'-bis(trifluoromethyl)-[1,1‘-bibiphenyl]-4,4'-diamine;2,2'-bis(trifluoromethyl)-[1,1'-bip

2,2'-bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Fine Intermediate, 2,2'-Bis(trifluoromethyl)benzidine CAS:341-58-2

Cas:341-58-2

Min.Order:1 Kilogram

FOB Price: $81.1 / 86.2

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

2,2'-Bis(trifluoromethyl)benzidine CAS:341-58-2 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 qual

2,2'-Bis(trifluoromethyl)benzidine CAS:341-58-2

Cas:341-58-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

2,2'-Bis(trifluoromethyl)benzidine supplier in China CAS NO.341-58-2

Cas:341-58-2

Min.Order:10 Gram

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Type:Trading Company

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 2,2'-Bis(trifluoromethyl)benzidine Synonyms: TFDB;2,2'-Bis(trifluoroMethyl)-4,4'-diaMino biphenyl (TFMB);2,2 '- (trifluoroMethyl) -4,4' - diaMino diphenyl;2,2'-Bis(trifluoromethyl)-[1,1'-biphenyl]-4,4&#3

2,2'-Bis(trifluoromethyl)benzidine supplier best quality

Cas:341-58-2

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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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

2,2'-Bis(Trifluoromethyl)Benzidine

Cas:341-58-2

Min.Order:0

Negotiable

Type:Manufacturers

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Triumph International Development Limilted

Appearance:White solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used in Electronic Industry as interme... Transportation:Common products:Sea/Air/Courier Da

2,2'-bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

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Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

2,2'-Bis(trifluoromethyl)benzidine 341-58-2

Cas:341-58-2

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 341-58-2 2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

2,2'-Bis(trifluoromethyl)benzidine; 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine

Cas:341-58-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

2,2'-BIS(TRIFLUOROMETHYL)-4,4'-DIAMINO BIPHENYL (TFMB)

Cas:341-58-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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SAGECHEM LIMITED

Name 2,2'-Bis(trifluoromethyl)benzidine Synonyms 2,2'-Bis(trifluoromethyl)-4,4'-biphenyldiamine Molecular Structure

2,2'-Bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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 2,2'-bis(trifluoromethyl)benzidine

Cas:341-58-2

Min.Order:0 Metric Ton

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Type:Other

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Synthetic route

2,2'-bis-(trifluoromethyl)-4,4'-dinitro-1,1'-biphenyl
641-98-5

2,2'-bis-(trifluoromethyl)-4,4'-dinitro-1,1'-biphenyl

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With ammonium formate; zinc In methanol at 50℃; Temperature; Concentration;96.83%
With palladium 10% on activated carbon; hydrogen In ethanol at 80℃; under 15001.5 Torr; Catalytic behavior; Pressure; Temperature;92%
With hydrogenchloride; tin
With hydrogen; palladium on activated charcoal In toluene at 60℃; under 7500.75 Torr; for 6h; Autoclave;
1,2-bis(3-(trifluoromethyl)phenyl)hydrazine
351-19-9

1,2-bis(3-(trifluoromethyl)phenyl)hydrazine

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With sulfuric acid In water; toluene for 5h; Product distribution / selectivity;95.1%
With hydrogenchloride In water; toluene at 25℃; for 3h; Product distribution / selectivity;95%
With sulfuric acid In water at -5 - 75℃; under 2280.15 - 3800.26 Torr; for 2h; Temperature; Inert atmosphere;60%
1,2-bis((3-trifluoromethyl)phenyl)diazene
588-00-1

1,2-bis((3-trifluoromethyl)phenyl)diazene

A

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

B

4,2'-bis-trifluoromethyl-biphenyl-2,4'-diyldiamine
440-66-4

4,2'-bis-trifluoromethyl-biphenyl-2,4'-diyldiamine

Conditions
ConditionsYield
With sodium amalgam; ethanol; sulfuric acid
3-trifluoromethylnitrobenzene
98-46-4

3-trifluoromethylnitrobenzene

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: lead; sodium acetate; aqueous ethanol
2: sodium-amalgam; aqueous ethanol; H2SO4
View Scheme
N-[2-(trifluoromethyl)phenyl]acetamide
344-62-7

N-[2-(trifluoromethyl)phenyl]acetamide

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: H2SO4; HNO3
2: aq.-ethanolic NaOH
3: acetic acid; sulfuric acid; aqueous sodium nitrite solution; aqueous potassium iodide solution
4: copper-powder / 300 °C
5: tin; aq.-ethanolic HCl
View Scheme
4-nitro-2-trifluoromethyl-aniline
121-01-7

4-nitro-2-trifluoromethyl-aniline

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: acetic acid; sulfuric acid; aqueous sodium nitrite solution; aqueous potassium iodide solution
2: copper-powder / 300 °C
3: tin; aq.-ethanolic HCl
View Scheme
N-(4-nitro-2-(trifluoromethyl)phenyl)acetamide
395-68-6

N-(4-nitro-2-(trifluoromethyl)phenyl)acetamide

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: aq.-ethanolic NaOH
2: acetic acid; sulfuric acid; aqueous sodium nitrite solution; aqueous potassium iodide solution
3: copper-powder / 300 °C
4: tin; aq.-ethanolic HCl
View Scheme
1-iodo-4-nitro-2-(trifluoromethyl)benzene
400-75-9

1-iodo-4-nitro-2-(trifluoromethyl)benzene

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: copper-powder / 300 °C
2: tin; aq.-ethanolic HCl
View Scheme
3,3'-bis (trifluoromethyl)-4,4'-hydrazobenzene

3,3'-bis (trifluoromethyl)-4,4'-hydrazobenzene

3-trifluoromethylnitrobenzene
98-46-4

3-trifluoromethylnitrobenzene

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With sodium hydroxide; sulfuric acid; ammonium chloride; ammonia In methanol; acetone; toluene
C22H18F6N2O6

C22H18F6N2O6

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With water; sodium hydroxide In dichloromethane for 4h; Solvent; Reflux;115 g
C24H22F6N2O6

C24H22F6N2O6

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With water; sodium hydroxide In dichloromethane for 4h; Reflux;126.5 g
C26H26F6N2O6

C26H26F6N2O6

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With water; sodium hydroxide In dichloromethane for 4h; Reflux;120.7 g
C22H14F6N2O6

C22H14F6N2O6

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With water; sodium hydroxide In dichloromethane for 4h; Reflux;119.5 g
C30H18F6N2O6

C30H18F6N2O6

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
With water; sodium hydroxide In dichloromethane for 4h; Reflux;81.8 g
4-chloro-3-trifluoromethyl-aniline
320-51-4

4-chloro-3-trifluoromethyl-aniline

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: dichloromethane / 0 - 20 °C
2.1: sodium hydroxide / dichloromethane / 0.5 h / 20 °C
2.2: 5 h / 65 °C
3.1: water; sodium hydroxide / dichloromethane / 4 h / Reflux
View Scheme
1-(tert-butoxycarbonyl)-L-proline
15761-39-4

1-(tert-butoxycarbonyl)-L-proline

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

(2S,2'S)-di-tert-butyl 2,2'-(((2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diyl)bis(azanediyl))bis(carbonyl))bis(pyrrolidine-1-carboxylate)

(2S,2'S)-di-tert-butyl 2,2'-(((2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diyl)bis(azanediyl))bis(carbonyl))bis(pyrrolidine-1-carboxylate)

Conditions
ConditionsYield
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 2h;96%
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 2h;96%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-nitro-benzoyl chloride
122-04-3

4-nitro-benzoyl chloride

N,N'-(2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diyl)bis(4-nitrobenzamide)

N,N'-(2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diyl)bis(4-nitrobenzamide)

Conditions
ConditionsYield
With pyridine In tetrahydrofuran Cooling with ice;95.7%
With pyridine In N,N-dimethyl acetamide at 80℃; for 3h;65.4%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

(N4Z,N4'Z)-N4,N4'-bis(4-chlorobenzylidene)-2,2'-bis(trifluoromethyl)biphenyl-4,4'-diamine

(N4Z,N4'Z)-N4,N4'-bis(4-chlorobenzylidene)-2,2'-bis(trifluoromethyl)biphenyl-4,4'-diamine

Conditions
ConditionsYield
In ethanol at 20℃; for 3h; Reflux;94.15%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

MeCOX

MeCOX

4,4'-Diacetylamino-2,2'-bis(trifluoromethyl)biphenyl

4,4'-Diacetylamino-2,2'-bis(trifluoromethyl)biphenyl

Conditions
ConditionsYield
94%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

4,4'-(1Z,1'Z)-(2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azan-1-yl-1-ylidene)bis(methan-1-yl-1-ylidene)diphenol

4,4'-(1Z,1'Z)-(2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azan-1-yl-1-ylidene)bis(methan-1-yl-1-ylidene)diphenol

Conditions
ConditionsYield
In ethanol at 20℃; for 3h; Reflux;93.35%
4-chlorophthalic anhydride
118-45-6

4-chlorophthalic anhydride

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

C30H12Cl2F6N2O4

C30H12Cl2F6N2O4

Conditions
ConditionsYield
With 4-hydroxymethyl-1,3-dioxolan-2-one at 180℃; for 14h;91.8%
pyridine-2-carbaldehyde
1121-60-4

pyridine-2-carbaldehyde

Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis(pyridin-2-ylmethylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis(pyridin-2-ylmethylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;91.76%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-fluorophenyl)methylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-fluorophenyl)methylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;91.42%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((3-nitrophenyl)methylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((3-nitrophenyl)methylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Reagent/catalyst; Temperature; Time; Sonication; Green chemistry;91.07%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-chlorophenyl)methylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-chlorophenyl)methylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;90.46%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-ethylbenzylaldehyde
4748-78-1

4-ethylbenzylaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-ethylphenyl)methylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-ethylphenyl)methylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;90.35%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

benzaldehyde
100-52-7

benzaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis(phenylmethylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis(phenylmethylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;89.91%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-dimethylamino-benzaldehyde
100-10-7

4-dimethylamino-benzaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-(dimethylamino)phenyl)methylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-(dimethylamino)phenyl)methylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;89.17%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-hydroxyphenyl)methylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-hydroxyphenyl)methylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;88.23%
thiophene-2-carbaldehyde
98-03-3

thiophene-2-carbaldehyde

Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis(thiophen-2-ylmethylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis(thiophen-2-ylmethylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;87.79%
Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-methoxyphenyl)methylene)diphosphonate

tetraethyl (2,2'-bis(trifluoromethyl)biphenyl-4,4'-diyl)bis(azanediyl)bis((4-methoxyphenyl)methylene)diphosphonate

Conditions
ConditionsYield
With water at 45℃; for 0.5h; Sonication; Green chemistry;86.68%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

4,4'-Dibromo-2,2'-bis(trifluoromethyl)biphenyl

4,4'-Dibromo-2,2'-bis(trifluoromethyl)biphenyl

Conditions
ConditionsYield
Stage #1: 2,2'-bis(trifluoromethyl)benzidine With sulfuric acid; sodium nitrite In water at 2 - 65℃; for 1h;
Stage #2: With hydrogen bromide; copper(I) bromide at 45℃; Reagent/catalyst;
86%
With tert.-butylnitrite; copper(ll) bromide60%
4-nitrophthalic anhydride
5466-84-2

4-nitrophthalic anhydride

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

C30H12F6N4O8

C30H12F6N4O8

Conditions
ConditionsYield
With propionic acid at 150℃; for 10h;80%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

C19H8F6O7

C19H8F6O7

C52H18F18N2O10

C52H18F18N2O10

Conditions
ConditionsYield
Stage #1: 2,2'-bis(trifluoromethyl)benzidine; C19H8F6O7 In 1-methyl-pyrrolidin-2-one at 90℃; for 1h;
Stage #2: With pyridine; acetic anhydride In 1-methyl-pyrrolidin-2-one at 90℃; for 2h; Temperature;
80%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

2,2'-bis(trifluoromethyl)-4,4'-diiodobiphenyl
89803-70-3

2,2'-bis(trifluoromethyl)-4,4'-diiodobiphenyl

Conditions
ConditionsYield
Stage #1: 2,2'-bis(trifluoromethyl)benzidine With sulfuric acid; sodium nitrite In water; acetic acid at 5℃; for 1h;
Stage #2: With potassium iodide In water for 3h;
78.4%
Stage #1: 2,2'-bis(trifluoromethyl)benzidine With hydrogenchloride; sodium nitrite In water at 0 - 5℃;
Stage #2: With iodine; sodium iodide In dichloromethane; water at 5 - 20℃;
75%
With sodium iodide; sulfuric acid; iodine; sodium hydrogensulfite; sodium nitrite In dichloromethane; water13.3 grams (78%)
Stage #1: 2,2'-bis(trifluoromethyl)benzidine With sulfuric acid; sodium nitrite
Stage #2: With iodine; sodium iodide Further stages.;
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

3-methyl-4-nitro-benzoyl chloride
35675-46-8

3-methyl-4-nitro-benzoyl chloride

C30H20F6N4O6

C30H20F6N4O6

Conditions
ConditionsYield
With pyridine In tetrahydrofuran at 20℃; for 12h; Sealed tube; Cooling with ice;76%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

2,2′-bis(trifluoromethyl)-4,4′-dihydroxybiphenyl

2,2′-bis(trifluoromethyl)-4,4′-dihydroxybiphenyl

Conditions
ConditionsYield
With uranyl nitrate hydrate; water; trifluoroacetic acid for 96h; Irradiation; Inert atmosphere;75%
Stage #1: 2,2'-bis(trifluoromethyl)benzidine With hydrogenchloride; sodium nitrite In water at -4℃; for 2h; Inert atmosphere;
Stage #2: With phosphoric acid In water at 20℃; for 25h; Inert atmosphere; Reflux;
46.9%
Stage #1: 2,2'-bis(trifluoromethyl)benzidine With methanesulfonic acid In water
Stage #2: With sodium nitrite In water at 10 - 20℃; for 12h;
Stage #3: With sulfuric acid; water at 120℃;
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

3,3',5,5'-tetrabromo-2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine

3,3',5,5'-tetrabromo-2,2'-bis(trifluoromethyl)-[1,1'-biphenyl]-4,4'-diamine

Conditions
ConditionsYield
With bromine In methanol at 20℃; for 14h; Reflux;75%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

pyromellitic acid monoanhydride
7487-10-7

pyromellitic acid monoanhydride

C34H10F6N2O10

C34H10F6N2O10

Conditions
ConditionsYield
Stage #1: 2,2'-bis(trifluoromethyl)benzidine; pyromellitic acid monoanhydride In 1-methyl-pyrrolidin-2-one; N,N-dimethyl acetamide at 90℃; for 1h;
Stage #2: With pyridine; acetic anhydride In 1-methyl-pyrrolidin-2-one; N,N-dimethyl acetamide; toluene at 90℃;
72%
Stage #1: 2,2'-bis(trifluoromethyl)benzidine; pyromellitic acid monoanhydride In 1-methyl-pyrrolidin-2-one at 90℃; for 1h;
Stage #2: With pyridine; acetic anhydride In 1-methyl-pyrrolidin-2-one at 90℃; for 2h;
4-hydroxyphthalic anhydride
27550-59-0

4-hydroxyphthalic anhydride

2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

C30H14F6N2O6

C30H14F6N2O6

Conditions
ConditionsYield
With propionic acid at 150℃; for 10h;70%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

trimellitic Anhydride
552-30-7

trimellitic Anhydride

2,2'-bis(trifluoromethyl)-4,4'-bis(trimelletimide)biphenyl

2,2'-bis(trifluoromethyl)-4,4'-bis(trimelletimide)biphenyl

Conditions
ConditionsYield
With acetic acid Reflux;56.1%
2,2'-bis(trifluoromethyl)benzidine
341-58-2

2,2'-bis(trifluoromethyl)benzidine

trifluoroacetic anhydride
407-25-0

trifluoroacetic anhydride

4,4'-bis-(trifluoroacetamido)-2,2'-bis(trifluoromethyl)-5,5'-dinitrobiphenyl

4,4'-bis-(trifluoroacetamido)-2,2'-bis(trifluoromethyl)-5,5'-dinitrobiphenyl

Conditions
ConditionsYield
With potassium nitrate at 5 - 10℃; for 72h;51%

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