Products

Refine

Country

Business Type

Certificate

Display

Nanjing Fred Technology Co.,Ltd.

Taizhou FremChem Co. Ltd. is a high-tech enterprise located in China Medical City specializing in R&D, manufacturing, sales of new APIS, pharmaceutical intermediates and fine chemicals. All of our company is committed to provide high quality chemical

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

2,3-Difluoroaniline Manufacturer/High quality/Best price/In stock

Cas:4519-40-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

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 2,3-Difluoroaniline supplier in China

Cas:4519-40-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

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

Factory Price OLED 99% 4519-40-8 2,3-Difluoroaniline Manufacturer

Cas:4519-40-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Manufacturers

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

2,3-Difluoroaniline

Cas:4519-40-8

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

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Competitive Price High Quality Fast Delivery custom-made Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble me

2,3-Difluoroaniline 4519-40-8

Cas:4519-40-8

Min.Order:1 Kilogram

Negotiable

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

2,3-Difluoroaniline

Cas:4519-40-8

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

Top Purity CAS 4519-40-8 with fast shipping

Cas:4519-40-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

roduct name 2,4-Difluoroaniline Product category Pharmaceutical intermediate CAS No. 367-25-9 Structual formula

2,3-difluorobenzenamine

Cas:4519-40-8

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

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

2,3-Difluoroaniline 4519-40-8

Cas:4519-40-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

Chem Industries, 2,3-Difluoroaniline CAS:4519-40-8

Cas:4519-40-8

Min.Order:1 Kilogram

FOB Price: $68.4 / 72.6

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

2,3-Difluoroaniline CAS: 4519-40-8 Specificatio Item Standard Identification A.H-NMR:Comply with the structure B.LC-MS:Comply with the structure C.The IR spectrum

Factory supply 2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

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

2,3-Difluoroaniline

Cas:4519-40-8

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

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:0

Negotiable

Type:Manufacturers

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

2,3-DIFLUOROANILINE

Cas:4519-40-8

Min.Order:1 Gram

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

2,3-Difluoroaniline

Cas:4519-40-8

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

2,3-Difluoroaniline

Cas:4519-40-8

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 2,3-difluorobenzenamine

Cas:4519-40-8

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 2,3-Difluoroaniline(4519-40-8)

Cas:4519-40-8

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Hefei Zhaobo Technology Co., Ltd.

Our Advantages Production: Advanced chemical equipment with years of experience Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Specif

2,3-Difluoroaniline CAS 4519-40-8

Cas:4519-40-8

Min.Order:1 Kilogram

FOB Price: $75.0 / 150.0

Type:Trading Company

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

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Gram

FOB Price: $1.0

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,

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

2,3-Difluoroaniline Chemical Properties Boiling point 68-69 °C density 1.274 g/mL at 25 °C (lit.) refractive index n20/D 1.514(lit.) Fp 160 °F pka 2.19±0.10(Predicted) form Liquid Specific Gravity 1.274 co

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Gram

FOB Price: $65.0

Type:Lab/Research institutions

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

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

2,3-Difluoroaniline

Cas:4519-40-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Changzhou Anchor Biological Technology Co., Ltd.

Our company is engaged in customizing the benzene ring and pyridine derivative organic intermediates, and the quantity is flexible according to customer's needs. It mainly provides high-quality intermediates for domestic and foreign pharmaceutical an

2,3-Difluoroaniline Manufacturer/High quality/Best price/In stock CAS NO.4519-40-8

Cas:4519-40-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

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

2,3-Difluoroaniline cas no. 4519-40-8 98%

Cas:4519-40-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2,3-dibromo-5,6-difluoroaniline

2,3-dibromo-5,6-difluoroaniline

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen; triethylamine In methanol at 50℃; for 3h;98%
1,2-dibromo-4,5-difluoro-3-nitrobenzene
1481-57-8

1,2-dibromo-4,5-difluoro-3-nitrobenzene

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen; triethylamine In methanol at 50℃; for 2.5h; Temperature;93%
1-(2,3-difluorophenyl)pyrrolidine-2,5-dione

1-(2,3-difluorophenyl)pyrrolidine-2,5-dione

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
With hydrogenchloride In water for 1h; Reflux;89.1%
1-(6-amino-2,3-difluorophenyl)pyrrolidine-2,5-dione

1-(6-amino-2,3-difluorophenyl)pyrrolidine-2,5-dione

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
Stage #1: 1-(6-amino-2,3-difluorophenyl)pyrrolidine-2,5-dione With sulfuric acid; acetic acid; sodium nitrite at 5℃; for 0.5h;
Stage #2: With ethanol; zinc for 1.5h; Reflux;
83.6%
Multi-step reaction with 2 steps
1.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
1.2: 1 h / 50 °C
2.1: hydrogenchloride / water / 1 h / Reflux
View Scheme
1,2,3-trichlorobenzene
87-61-6

1,2,3-trichlorobenzene

A

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

B

2,6-difluoroaniline
5509-65-9

2,6-difluoroaniline

Conditions
ConditionsYield
With ammonium hydroxide; cesium fluoride; copper(I) oxide 1.) N,N'-dimethylethyleneurea, 250 deg C (bomb), 12 h, 2.) 170 deg C (bomb), 24 h; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;
With ammonium hydroxide; cesium fluoride; copper(I) oxide 1.) N,N'-dimethylethyleneurea, 250 deg C (bomb), 12 h, 2.) 160 deg C (bomb), 24 h; Yield given. Multistep reaction. Further byproducts given. Yields of byproduct given;
difluorotrichloronitrobenzene

difluorotrichloronitrobenzene

isopropyl alcohol
67-63-0

isopropyl alcohol

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
With hydrogen; sodium formate; palladium on charcoal
difluorodichlorobenzene
36556-39-5

difluorodichlorobenzene

1-chloro-3,5-difluorobenzene
1435-43-4

1-chloro-3,5-difluorobenzene

3,4,5-trichloro-2,6-difluoronitrobenzene
136272-32-7

3,4,5-trichloro-2,6-difluoronitrobenzene

1,2,4-trichloro-3,5-difluoronitrobenzene
136272-33-8

1,2,4-trichloro-3,5-difluoronitrobenzene

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
With sulfuric acid; nitric acid; sodium acetate; chlorine; aluminium trichloride; palladium on charcoal In methanol; dichloromethane
ortho-difluorobenzene
367-11-3

ortho-difluorobenzene

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: iron; bromine / 4.83 h / 20 - 50 °C
2: sulfuric acid; nitric acid / water / 1.5 h / 20 - 35 °C
3: palladium 10% on activated carbon; hydrogen; triethylamine / methanol / 2.5 h / 50 °C
View Scheme
Multi-step reaction with 4 steps
1: iron; bromine / 4.83 h / 20 - 50 °C
2: sulfuric acid; nitric acid / water / 1.5 h / 20 - 35 °C
3: iron; calcium chloride; ethanol; water / 3.2 h / 55 °C
4: palladium 10% on activated carbon; hydrogen; triethylamine / methanol / 3 h / 50 °C
View Scheme
1,2-difluoro-4,5-dibromobenzene
64695-78-9

1,2-difluoro-4,5-dibromobenzene

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid; nitric acid / water / 1.5 h / 20 - 35 °C
2: palladium 10% on activated carbon; hydrogen; triethylamine / methanol / 2.5 h / 50 °C
View Scheme
Multi-step reaction with 3 steps
1: sulfuric acid; nitric acid / water / 1.5 h / 20 - 35 °C
2: iron; calcium chloride; ethanol; water / 3.2 h / 55 °C
3: palladium 10% on activated carbon; hydrogen; triethylamine / methanol / 3 h / 50 °C
View Scheme
1,2-dichloro-4,5-difluoro-3-nitrobenzene

1,2-dichloro-4,5-difluoro-3-nitrobenzene

A

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

B

2,3-dichloro-5,6-difluoroaniline

2,3-dichloro-5,6-difluoroaniline

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen; triethylamine In methanol at 45℃; for 4.2h; Temperature;
ortho-difluorobenzene
367-11-3

ortho-difluorobenzene

A

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

B

2,3-dichloro-5,6-difluoroaniline

2,3-dichloro-5,6-difluoroaniline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: iron(III) chloride; chlorine / 9 h / 48 - 54 °C
2: sulfuric acid; nitric acid / water / 7 h / 20 - 26 °C
3: palladium 10% on activated carbon; hydrogen; triethylamine / methanol / 4.2 h / 45 °C
View Scheme
1,2-dichloro-4,5-difluorobenzene

1,2-dichloro-4,5-difluorobenzene

A

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

B

2,3-dichloro-5,6-difluoroaniline

2,3-dichloro-5,6-difluoroaniline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuric acid; nitric acid / water / 7 h / 20 - 26 °C
2: palladium 10% on activated carbon; hydrogen; triethylamine / methanol / 4.2 h / 45 °C
View Scheme
2,3,4-trifluoronitrobenzene
771-69-7

2,3,4-trifluoronitrobenzene

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 6 h / 20 °C
2.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
3.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
3.2: 1.5 h / Reflux
View Scheme
Multi-step reaction with 4 steps
1.1: ammonium hydroxide / ethanol / 8 h / 20 °C
2.1: toluene-4-sulfonic acid / 5,5-dimethyl-1,3-cyclohexadiene / 7 h / Dean-Stark; Reflux
3.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
4.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
4.2: 1.5 h / Reflux
View Scheme
Multi-step reaction with 4 steps
1.1: potassium carbonate / N,N-dimethyl-formamide / 6 h / 20 °C
2.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
3.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
3.2: 1 h / 50 °C
4.1: hydrogenchloride / water / 1 h / Reflux
View Scheme
Multi-step reaction with 5 steps
1.1: ammonium hydroxide / ethanol / 8 h / 20 °C
2.1: toluene-4-sulfonic acid / 5,5-dimethyl-1,3-cyclohexadiene / 7 h / Dean-Stark; Reflux
3.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
4.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
4.2: 1 h / 50 °C
5.1: hydrogenchloride / water / 1 h / Reflux
View Scheme
2-amino-3,4-difluoronitro-benzene
211693-73-1

2-amino-3,4-difluoronitro-benzene

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: toluene-4-sulfonic acid / 5,5-dimethyl-1,3-cyclohexadiene / 7 h / Dean-Stark; Reflux
2.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
3.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
3.2: 1.5 h / Reflux
View Scheme
Multi-step reaction with 4 steps
1.1: toluene-4-sulfonic acid / 5,5-dimethyl-1,3-cyclohexadiene / 7 h / Dean-Stark; Reflux
2.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
3.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
3.2: 1 h / 50 °C
4.1: hydrogenchloride / water / 1 h / Reflux
View Scheme
1-(2,3-difluoro-6-nitrophenyl)pyrrolidine-2,5-dione

1-(2,3-difluoro-6-nitrophenyl)pyrrolidine-2,5-dione

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
2.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
2.2: 1.5 h / Reflux
View Scheme
Multi-step reaction with 3 steps
1.1: hydrogen; palladium 10% on activated carbon / methanol / 4 h / 20 °C / Inert atmosphere
2.1: sodium nitrite; sulfuric acid; acetic acid / 0.5 h / 5 °C
2.2: 1 h / 50 °C
3.1: hydrogenchloride / water / 1 h / Reflux
View Scheme
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

potassium ethyl xanthogenate
140-89-6

potassium ethyl xanthogenate

2-mercapto-7-fluorobenzothiazole
154327-29-4

2-mercapto-7-fluorobenzothiazole

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 4h; Inert atmosphere; Heating;100%
In N,N-dimethyl-formamide at 100℃; for 4h; Inert atmosphere;100%
In N,N-dimethyl-formamide at 160℃; for 4h;89%
2-(3-((7-(benzyloxy)quinazolin-4-yl)amino)-1H-pyrazol-5-yl)acetic acid
722544-24-3

2-(3-((7-(benzyloxy)quinazolin-4-yl)amino)-1H-pyrazol-5-yl)acetic acid

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-(3-{[7-(benzyloxy)quinazolin-4-yl]amino}-1H-pyrazol-5-yl)-N-(2,3-difluorophenyl)acetamide
722544-25-4

2-(3-{[7-(benzyloxy)quinazolin-4-yl]amino}-1H-pyrazol-5-yl)-N-(2,3-difluorophenyl)acetamide

Conditions
ConditionsYield
With pyridine; trichlorophosphate at 0 - 20℃; for 2h;100%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

4-bromo-2,3-difluoro-aniline
112279-72-8

4-bromo-2,3-difluoro-aniline

Conditions
ConditionsYield
With N-Bromosuccinimide In N,N-dimethyl-formamide for 1h; Cooling with ice;100%
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0℃; for 1h;97%
With N-Bromosuccinimide In acetonitrile at 35℃; for 2h;68%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2,3-difluorobenzenesulphonyl chloride
210532-24-4

2,3-difluorobenzenesulphonyl chloride

Conditions
ConditionsYield
Stage #1: 2,3-difluoroanilline With hydrogenchloride; sodium nitrite In water at -5 - 0℃; for 0.166667h; Ice/NaCl;
Stage #2: With thionyl chloride; copper(l) chloride In water at -5℃; for 0.5h;
98%
With hydrogenchloride; acetic acid; mercury; sodium nitrite; copper(I) chloride In water
Stage #1: 2,3-difluoroanilline With hydrogenchloride; sodium nitrite In water at -10℃; for 0.666667h;
Stage #2: With hydrogenchloride; sulfur dioxide; copper(l) chloride In water; acetic acid at 0℃;
Stage #1: 2,3-difluoroanilline With hydrogenchloride; acetic acid; sodium nitrite In water at -5℃;
Stage #2: With sulfur dioxide; copper(l) chloride In water for 0.25h; Cooling with ice;
Stage #1: 2,3-difluoroanilline With hydrogenchloride; sodium nitrite In water at -10℃; for 0.666667h;
Stage #2: With sulfur dioxide; copper(l) chloride In water; acetic acid at 0℃;
1-methanesulfonyl-1H-pyrrole-2,4-dicarboxylic acid 2-methyl ester
845868-07-7

1-methanesulfonyl-1H-pyrrole-2,4-dicarboxylic acid 2-methyl ester

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

4-(2,3-difluoro-phenylcarbamoyl)-1-methanesulfonyl-1H-pyrrole-2-carboxylic acid methyl ester
845868-08-8

4-(2,3-difluoro-phenylcarbamoyl)-1-methanesulfonyl-1H-pyrrole-2-carboxylic acid methyl ester

Conditions
ConditionsYield
Stage #1: 1-methanesulfonyl-1H-pyrrole-2,4-dicarboxylic acid 2-methyl ester With oxalyl dichloride; N,N-dimethyl-formamide In dichloromethane at 20℃; for 1h;
Stage #2: 2,3-difluoroanilline With triethylamine In dichloromethane for 1h;
98%
4-chloro-3-formylcoumarin
50329-91-4

4-chloro-3-formylcoumarin

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

7,8-difluoro-4-(2-hydroxyphenyl)quinoline-3-carboxylic acid
1394232-19-9

7,8-difluoro-4-(2-hydroxyphenyl)quinoline-3-carboxylic acid

Conditions
ConditionsYield
With sulfuric acid In methanol at 20℃; for 0.0833333h;98%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

bis-(2-chloroethyl)amine hydrochloride
821-48-7

bis-(2-chloroethyl)amine hydrochloride

1-(2,3-difluorophenyl)piperazine hydrochloride

1-(2,3-difluorophenyl)piperazine hydrochloride

Conditions
ConditionsYield
In diethylene glycol dimethyl ether at 130℃; for 15h;97.9%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-(4-nitro-1H-pyrazol-1-yl)acetic acid
6645-69-8

2-(4-nitro-1H-pyrazol-1-yl)acetic acid

N-(2,3-difluorophenyl)-2-(4-nitro-1H-pyrazol-1-yl)acetamide
786681-72-9

N-(2,3-difluorophenyl)-2-(4-nitro-1H-pyrazol-1-yl)acetamide

Conditions
ConditionsYield
With pyridine; trichlorophosphate In dichloromethane for 2h;97%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

potassium ethyl xanthogenate
140-89-6

potassium ethyl xanthogenate

7-fluoro-1,3-benzothiazole-2(3H)-thione

7-fluoro-1,3-benzothiazole-2(3H)-thione

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 2h; Heating;96%
In 1-methyl-pyrrolidin-2-one at 120℃;
ethylxanthogenate
28563-38-4

ethylxanthogenate

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-mercapto-7-fluorobenzothiazole
154327-29-4

2-mercapto-7-fluorobenzothiazole

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 120℃; for 2h;96%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

aminosulfonic acid
5329-14-6

aminosulfonic acid

acrylic acid
79-10-7

acrylic acid

2,4-Difluorocinnamic acid
94977-52-3

2,4-Difluorocinnamic acid

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite; palladium diacetate In water95%
4-chloro-3-formylcoumarin
50329-91-4

4-chloro-3-formylcoumarin

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

10,11-difluoro-6H-chromeno[4,3-b]quinolin-6-one
1357063-68-3

10,11-difluoro-6H-chromeno[4,3-b]quinolin-6-one

Conditions
ConditionsYield
In ethanol at 20℃; for 0.25h; ultrasound irradiation;94%
In methanol at 20℃; for 0.15h; ultrasound irradiation;92%
With Amberlyst-15 In ethanol for 2h; Reflux; Inert atmosphere;78%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

(3RS,4SR)-1-allyloxy-4-(4-methylphenyl)-2-oxo-pyrrolidine-3-carboxylic acid

(3RS,4SR)-1-allyloxy-4-(4-methylphenyl)-2-oxo-pyrrolidine-3-carboxylic acid

(3RS,4RS)-1-allyloxy-N-(2,3-difluorophenyl)-4-(4-methylphenyl)-2-oxopyrrolidine-3-carboxamide

(3RS,4RS)-1-allyloxy-N-(2,3-difluorophenyl)-4-(4-methylphenyl)-2-oxopyrrolidine-3-carboxamide

Conditions
ConditionsYield
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In dichloromethane; ethyl acetate at 20℃; for 17h;92%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-bromobenzo[2,3][1,4]oxazepino[7,6-b]quinoline

2-bromobenzo[2,3][1,4]oxazepino[7,6-b]quinoline

N-(2,3-difluorophenyl)benzo[2,3][1,4]oxazepino[7,6-b]quinolin-2-amine

N-(2,3-difluorophenyl)benzo[2,3][1,4]oxazepino[7,6-b]quinolin-2-amine

Conditions
ConditionsYield
With chloro(2-dicyclohexylphosphino-2’,4’,6’-triisopropyl-1,1‘-biphenyl)[2-(2’-amino-1,1‘-biphenyl’)]palladium(II); sodium t-butanolate In 1,4-dioxane at 90℃; for 0.75h; Buchwald-Hartwig Coupling; Microwave irradiation;92%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

glycerol
56-81-5

glycerol

7,8-Difluoroquinoline

7,8-Difluoroquinoline

Conditions
ConditionsYield
Stage #1: 2,3-difluoroanilline; glycerol With sulfuric acid; sodium iodide at 150 - 180℃; for 4h;
Stage #2: With sodium hydroxide In water at 60 - 70℃;
91%
Stage #1: 2,3-difluoroanilline With sulfuric acid at 0 - 20℃; for 1h;
Stage #2: glycerol With sodium iodide at 150 - 180℃; for 3h;
91%
With sulfuric acid; sodium 3-nitrobenzenesulfonate at 140℃; for 4h; Condensation; cyclization;86%
With sulfuric acid; sodium 3-nitrobenzenesulfonate In water at 135℃;
Stage #1: 2,3-difluoroanilline; glycerol With sulfuric acid; sodium 3-nitrobenzenesulfonate In water at 135℃; for 3.5h;
Stage #2: With sodium hydroxide In water at 0 - 20℃;
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-Bromoacetyl bromide
598-21-0

2-Bromoacetyl bromide

2-bromo-N-(2,3-difluorophenyl)acetamide
804550-60-5

2-bromo-N-(2,3-difluorophenyl)acetamide

Conditions
ConditionsYield
With sodium hydroxide In diethyl ether at 5 - 20℃; for 1h;91%
With sodium hydroxide In diethyl ether; water at 5 - 20℃; for 1.33333h;91%
With potassium carbonate In dichloromethane for 5h;
With potassium carbonate In dichloromethane for 5h;
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-bromo-9-methylbenzo[2,3][1,4]oxazepino[7,6-b]quinoline

2-bromo-9-methylbenzo[2,3][1,4]oxazepino[7,6-b]quinoline

N-(2,3-difluorophenyl)-9-methylbenzo[2,3][1,4]oxazepino[7,6-b]quinolin-2-amine

N-(2,3-difluorophenyl)-9-methylbenzo[2,3][1,4]oxazepino[7,6-b]quinolin-2-amine

Conditions
ConditionsYield
With chloro(2-dicyclohexylphosphino-2’,4’,6’-triisopropyl-1,1‘-biphenyl)[2-(2’-amino-1,1‘-biphenyl’)]palladium(II); sodium t-butanolate In 1,4-dioxane at 90℃; for 0.75h; Buchwald-Hartwig Coupling; Inert atmosphere; Microwave irradiation; Sealed tube;91%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

1,2,3-thiadiazole-5-carbonyl azide
58756-32-4

1,2,3-thiadiazole-5-carbonyl azide

1-(2,3-difluorophenyl)-3-(1',2',3'-thiadiazol-5'-yl)urea

1-(2,3-difluorophenyl)-3-(1',2',3'-thiadiazol-5'-yl)urea

Conditions
ConditionsYield
In toluene Heating;90%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

chloroacetyl chloride
79-04-9

chloroacetyl chloride

2-chloro-N-(2,3-difluorophenyl)acetamide
916483-51-7

2-chloro-N-(2,3-difluorophenyl)acetamide

Conditions
ConditionsYield
With sodium hydroxide In diethyl ether; water at 5 - 20℃; for 1.33333h;90%
With sodium hydroxide In diethyl ether; water at 5 - 20℃; for 1.33333h;90%
Stage #1: 2,3-difluoroanilline With sodium hydrogencarbonate In chloroform at 20℃; for 0.25h;
Stage #2: chloroacetyl chloride In chloroform at 20℃; for 2h;
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

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

3-methyl-4-nitro-benzoyl chloride

N-(2,3-difluoro-phenyl)-3-methyl-4-nitro-benzamide
343975-33-7

N-(2,3-difluoro-phenyl)-3-methyl-4-nitro-benzamide

Conditions
ConditionsYield
With pyridine for 1h; Heating;89%
2-(3-((7-(3-chloropropoxy)quinazolin-4-yl)amino)-1H-pyrazol-5-yl)acetic acid
557770-91-9

2-(3-((7-(3-chloropropoxy)quinazolin-4-yl)amino)-1H-pyrazol-5-yl)acetic acid

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-(5-{[7-(3-chloropropoxy)quinazolin-4-yl]amino}-2H-pyrazol-3-yl)-N-(2,3-difluorophenyl)acetamide
557770-88-4

2-(5-{[7-(3-chloropropoxy)quinazolin-4-yl]amino}-2H-pyrazol-3-yl)-N-(2,3-difluorophenyl)acetamide

Conditions
ConditionsYield
With pyridine; trichlorophosphate at 0 - 20℃;89%
With pyridine; trichlorophosphate In diethyl ether; ethyl acetate at 0 - 20℃; for 23.5h;89%
4-(piperidin-1-yl)benzaldehyde
10338-57-5

4-(piperidin-1-yl)benzaldehyde

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

N-(4-(piperidin-1-yl)benzylidene)-2,3-difluorobenzenamine
1268812-37-8

N-(4-(piperidin-1-yl)benzylidene)-2,3-difluorobenzenamine

Conditions
ConditionsYield
With acetic acid In ethanol at 20℃; for 0.5h;88%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

acetone
67-64-1

acetone

2,3-difluoro-N-isopropylaniline

2,3-difluoro-N-isopropylaniline

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid In dichloromethane at 20℃; for 12h;88%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

2-chloro-2-(diethoxymethyl)-3-methyloxirane
175983-09-2

2-chloro-2-(diethoxymethyl)-3-methyloxirane

2-chloro-1,1-diethoxy-3-(2,3-difluorophenylamino)butan-2-ol

2-chloro-1,1-diethoxy-3-(2,3-difluorophenylamino)butan-2-ol

Conditions
ConditionsYield
With sodium hydrogencarbonate In water; toluene at 40℃; for 36h; Temperature;88%
bis(benzonitrile)palladium(II) chloride
14220-64-5, 39958-10-6, 15617-18-2

bis(benzonitrile)palladium(II) chloride

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

trans-[PdCl2(2,3-difluoroaniline)2]
919990-57-1

trans-[PdCl2(2,3-difluoroaniline)2]

Conditions
ConditionsYield
In ethanol under N2; soln. of PdCl2(C6H5CN)2 (0.26 mmol) added to soln. of 2,3-difluoroaniline (0.52 mmol); refluxed (8 h); hot soln. filtered; solvent removed (vac.); elem. anal.;87%
2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

acryloyl chloride
814-68-6

acryloyl chloride

N-(2,3-difluorophenyl)prop-2-enamide

N-(2,3-difluorophenyl)prop-2-enamide

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 16h; Inert atmosphere;87%
[2-(tritylamino)-1,3-thiazol-5-yl]acetic acid
385785-18-2

[2-(tritylamino)-1,3-thiazol-5-yl]acetic acid

2,3-difluoroanilline
4519-40-8

2,3-difluoroanilline

N-(2,3-difluorophenyl)-2-[2-(tritylamino)-1,3-thiazol-5-yl]acetamide
723281-43-4

N-(2,3-difluorophenyl)-2-[2-(tritylamino)-1,3-thiazol-5-yl]acetamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 50℃; for 18h;85%

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View