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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

2-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:Off-white powder Storage:-20°C Freezer Package:1kg/fo

High quality 2-Amino-4-chloropyridine CAS 19798-80-2 with factory price

Cas:19798-80-2

Min.Order:1 Kilogram

FOB Price: $530.0 / 750.0

Type:Trading Company

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 4-Chloro-Pyridin-2-Ylamine

Cas:19798-80-2

Min.Order:1

Negotiable

Type:Other

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% 19798-80-2 2-AMino-4-chloropyridine Manufacturer

Cas:19798-80-2

Min.Order:1 Gram

FOB Price: $0.1

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-Amino-4-chloropyridine

Cas:19798-80-2

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/1167.html Product Name 2-Amino-4-chloropyridine CAS No. 19798-80-

2-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:1 Gram

FOB Price: $34.0

Type:Lab/Research institutions

inquiry

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 manufactu

2-Amino-4-Chloropyridine for Inhibitor CAS 19798-80-2 4-Chloropyridin-2-Amine

Cas:19798-80-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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 CAS 19798-80-2 with best quality

Cas:19798-80-2

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

2-Amino-4-chloropyridine/ LIDE PHARMA- Factory supply / Best price

Cas:19798-80-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Name: 4-Chloro-pyridin-2-ylamine Molecular Formula:C5H5ClN2 Molecular Weight:128.56 CAS No.:19798-80-2 Appearance:Slight Yellow Crystal Powder Appearance: Slight Yellow Crystal Powder Storage:Store in cool and dry place, away from sun light. Pac

4-Chloro-pyridin-2-ylamine

Cas:19798-80-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry plac

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-Amino-4-chloropyridine 19798-80-2

Cas:19798-80-2

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

2-Amino-4-chloropyridine 99%

Cas:19798-80-2

Min.Order:1 Kilogram

FOB Price: $41.0 / 56.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Amino-4-chloropyridine CAS:19798-80-2 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 quality organic

2-Amino-4-chloropyridine CAS:19798-80-2

Cas:19798-80-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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-Amino-4-chloropyridine

Cas:19798-80-2

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

2-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Product quality: Our company have high quality product , and also the product we have good manufacture . First of all, this product is of fine quality. Every finish should be checked by quality inspection system.And every one should be also tried

2-Amino-4-chloropyridine CAS NO.19798-80-2

Cas:19798-80-2

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

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

2-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan BJM Pharm Inc.

Name: 2-Amino-4-chloropyridine Synonyms: 4-Chloro-pyridin-2-ylamine CAS: 19798-80-2 MF: C5H6ClN2 Details Item Standard Test Results Identification A.H-NMR

2-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

2-Amino-4-chloropyridine CAS NO.19798-80-2

Cas:19798-80-2

Min.Order:10 Gram

Negotiable

Type:Trading Company

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

4-Chloro-Pyridin-2-Ylamine

Cas:19798-80-2

Min.Order:0

Negotiable

Type:Manufacturers

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-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

4-chloropyridin-2-amine

Cas:19798-80-2

Min.Order:4 Kilogram

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-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

2-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:1 Gram

Negotiable

Type:Other

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-Amino-4-chloropyridine/Manufacturer/High quality/Best price

Cas:19798-80-2

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development 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 chemi

High quality 4-Chloro-Pyridin-2-Ylamine

Cas:19798-80-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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

2-Amino-4-chloropyridine

Cas:19798-80-2

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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

4-Chloro-pyridin-2-ylamine

Cas:19798-80-2

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 2-Amino-4-Chloropyridine CAS No.:19798-80-2 Molecule Formula:C5H5ClN2 Molecule Weight:128.56 Purity: 97.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality 2-Amino-4-Chloropyridine in stock

Cas:19798-80-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

tert-butyl (4-chloropyridin-2-yl) carbamate
130721-78-7

tert-butyl (4-chloropyridin-2-yl) carbamate

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With hydrogenchloride In 1,4-dioxane at 20℃; for 18h;100%
With hydrogenchloride In 1,4-dioxane at 20℃; for 18h;99%
With trifluoroacetic acid In dichloromethane at 20℃;90%
With hydrogen bromide for 2h;87%
With hydrogen bromide for 2h; Ambient temperature;
2,2-dimethyl-3-(4-chloropyrid-2-yl)-4-oxo-4H-1,3-benzoxazine
74405-00-8

2,2-dimethyl-3-(4-chloropyrid-2-yl)-4-oxo-4H-1,3-benzoxazine

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With hydrogenchloride for 8h; Heating;95%
With hydrogenchloride Hydrolysis;
4-chloropicolinamide
99586-65-9

4-chloropicolinamide

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With bromine; potassium hydroxide In water at 90℃; for 2h; Cooling with ice;84%
With calcium hypochlorite In water at 60 - 80℃; Temperature;81%
With sodium hydroxide; bromine In water at 80℃; for 1.5h; Hofmann Degradation;64%
methyl 4-chloropyridine-2-carboxylate hydrochloride

methyl 4-chloropyridine-2-carboxylate hydrochloride

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With hydrazine hydrate; sodium nitrite In hydrogenchloride; methanol; water; acetic acid44%
With hydrazine hydrate; acetic acid; sodium nitrite In hydrogenchloride; methanol; water37 g (60%)
2,4-dichloropyridine
26452-80-2

2,4-dichloropyridine

A

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

B

4-Amino-2-chloropyridine
14432-12-3

4-Amino-2-chloropyridine

Conditions
ConditionsYield
With ammonium hydroxide at 170 - 180℃;
With ammonium hydroxide at 180℃;
4-chloro-pyridine-2-carbonyl azide
187973-17-7

4-chloro-pyridine-2-carbonyl azide

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With acetic acid
N-(4-chloro-2-pyridyl)-1-(2-pyridyl)-1-chloroacetamide

N-(4-chloro-2-pyridyl)-1-(2-pyridyl)-1-chloroacetamide

A

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

B

α-chloro-(2-pyridyl)acetic acid

α-chloro-(2-pyridyl)acetic acid

Conditions
ConditionsYield
With hydrogenchloride at 60℃; for 3h;A 70 mg
B 45 mg
4-chloro-2-pyridinylisocyanate
1026394-00-2

4-chloro-2-pyridinylisocyanate

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With hydrogenchloride for 48h; Heating; Yield given;
4-chloropyridine-2-carbohydrazide
73771-11-6

4-chloropyridine-2-carbohydrazide

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With hydrogenchloride; acetic acid; sodium nitrite 1.) water, 15 min, 2.) water, heating; Yield given. Multistep reaction;
2,4-dichloropyridine
26452-80-2

2,4-dichloropyridine

ammonium hydroxide

ammonium hydroxide

A

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

B

4-Amino-2-chloropyridine
14432-12-3

4-Amino-2-chloropyridine

Conditions
ConditionsYield
at 180℃;
C9H13ClN2

C9H13ClN2

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane; chloroform at 70℃;
4-chloropyridine N-oxide
1121-76-2

4-chloropyridine N-oxide

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Ts2O / CHCl3; CH2Cl2 / 0.25 h
2: TFA / CHCl3; CH2Cl2 / 70 °C
View Scheme
Multi-step reaction with 2 steps
1: CH2Cl2 / Heating
2: conc. HCl
View Scheme
Multi-step reaction with 2 steps
1: 90 percent / CHCl3 / 4 h / Heating
2: 95 percent / conc. HCl / 8 h / Heating
View Scheme
4-nitraminopyridine N-oxide
1124-33-0

4-nitraminopyridine N-oxide

zinc-powder

zinc-powder

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 20 percent / 1,2-dichloro-ethane / 12 h / Heating
2: 90 percent / CHCl3 / 4 h / Heating
3: 95 percent / conc. HCl / 8 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: 8 percent / 1,2-dichloro-ethane / 12 h / Heating
2: 95 percent / conc. HCl / 8 h / Heating
View Scheme
4-chloropicolinic acid
5470-22-4

4-chloropicolinic acid

4-chloro-6-oxy-picolinic acid

4-chloro-6-oxy-picolinic acid

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diphenylphosphoryl azide, triethylamine / 26 h / Heating
2: 25percent HBr / 2 h / Ambient temperature
View Scheme
4-nitraminopyridine N-oxide
1124-33-0

4-nitraminopyridine N-oxide

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sulfuryl chloride / 110 °C
2: aqueous NH3 / 180 °C
View Scheme
3-deazauracil
626-03-9

3-deazauracil

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: phosphoryl chloride / 140 °C
2: aqueous NH3 / 180 °C
View Scheme
2-(methylcarboxylate)-4-chloro-pyridine

2-(methylcarboxylate)-4-chloro-pyridine

2-picolinic acid hydrochloride
636-80-6

2-picolinic acid hydrochloride

methyl 4-chloropyridine-2-carboxylate hydrochloride

methyl 4-chloropyridine-2-carboxylate hydrochloride

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
With thionyl chloride; acetic acid; hydrazine; sodium nitrite In methanol; water
5-bromo-4-chloro-pyridin-2-ylamine
942947-94-6

5-bromo-4-chloro-pyridin-2-ylamine

bis(pinacol)diborane
73183-34-3

bis(pinacol)diborane

A

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

B

4-chloro-5-(4,4,5,5-tetramethyl(1,3,2-dioxaborolan-2-yl))-2-pyridylamine
944401-60-9

4-chloro-5-(4,4,5,5-tetramethyl(1,3,2-dioxaborolan-2-yl))-2-pyridylamine

Conditions
ConditionsYield
With potassium acetate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 In 1,4-dioxane at 115℃; for 6.25h; Heating / reflux;
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In 1,4-dioxane at 115℃; for 6h; Inert atmosphere;
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium acetate In 1,4-dioxane at 115℃; for 6h; Inert atmosphere;
2-Picolinic acid
98-98-6

2-Picolinic acid

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: sodium bromide; thionyl chloride / chlorobenzene / 20.5 h / 50 - 85 °C
2.1: toluene / 1.5 h / 0 - 15 °C
3.1: ammonium hydroxide / 3 h / 20 °C
4.1: bromine; sodium hydroxide / water / 5 h / 20 - 80 °C
4.2: pH 12 - 13
View Scheme
Multi-step reaction with 4 steps
1.1: thionyl chloride / 72 h / Reflux
2.1: toluene / 1 h / 0 - 5 °C
3.1: water / 0.25 h
3.2: 1 h / 20 °C
4.1: sodium hydroxide; bromine / water / 0.58 h / 0 - 5 °C
View Scheme
Multi-step reaction with 2 steps
1.1: sodium bromide / thionyl chloride / Reflux
1.2: 20 °C
2.1: calcium hypochlorite / water / 60 - 80 °C
View Scheme
Multi-step reaction with 4 steps
1: thionyl chloride / Heating / reflux
2: lithium hydroxide; water / tetrahydrofuran / 20 °C
3: diphenyl phosphoryl azide; triethylamine / toluene / 3.5 h / 65 - 100 °C
4: trifluoroacetic acid / dichloromethane / 20 °C
View Scheme
Multi-step reaction with 3 steps
1: sodium bromide; thionyl chloride / 16 h / Reflux
2: ammonium hydroxide / 18 h / 0 - 20 °C
3: bromine; sodium hydroxide / water / 3.5 h / -10 - 100 °C
View Scheme
4-Chloro-pyridine-2-carboxylic acid methyl ester
24484-93-3

4-Chloro-pyridine-2-carboxylic acid methyl ester

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: ammonium hydroxide / 3 h / 20 °C
2.1: bromine; sodium hydroxide / water / 5 h / 20 - 80 °C
2.2: pH 12 - 13
View Scheme
Multi-step reaction with 2 steps
1.1: water / 0.25 h
1.2: 1 h / 20 °C
2.1: sodium hydroxide; bromine / water / 0.58 h / 0 - 5 °C
View Scheme
Multi-step reaction with 3 steps
1: lithium hydroxide; water / tetrahydrofuran / 20 °C
2: diphenyl phosphoryl azide; triethylamine / toluene / 3.5 h / 65 - 100 °C
3: trifluoroacetic acid / dichloromethane / 20 °C
View Scheme
4-chloropicolinic acid
5470-22-4

4-chloropicolinic acid

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: toluene / 1.5 h / 0 - 15 °C
2.1: ammonium hydroxide / 3 h / 20 °C
3.1: bromine; sodium hydroxide / water / 5 h / 20 - 80 °C
3.2: pH 12 - 13
View Scheme
Multi-step reaction with 2 steps
1.1: thionyl chloride / toluene / 6 h / 80 °C
1.2: 1 h / 20 °C / Cooling with ice
2.1: potassium hydroxide; bromine / water / 2 h / 90 °C / Cooling with ice
View Scheme
4-chloro-pyridine-2-carbonyl chloride
53750-66-6

4-chloro-pyridine-2-carbonyl chloride

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: toluene / 1 h / 0 - 5 °C
2.1: water / 0.25 h
2.2: 1 h / 20 °C
3.1: sodium hydroxide; bromine / water / 0.58 h / 0 - 5 °C
View Scheme
Multi-step reaction with 2 steps
1: ammonium hydroxide / 18 h / 0 - 20 °C
2: bromine; sodium hydroxide / water / 3.5 h / -10 - 100 °C
View Scheme
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

(2-aminopyridin-4-yl)boronic acid
903513-62-2

(2-aminopyridin-4-yl)boronic acid

Conditions
ConditionsYield
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0); potassium acetate; bis(pinacol)diborane In 1,4-dioxane at 100℃; for 3h; Inert atmosphere;100%
With potassium acetate; bis(pinacol)diborane; bis(dibenzylideneacetone)-palladium(0); XPhos In 1,4-dioxane at 110℃;
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

2-isopropenyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
126726-62-3

2-isopropenyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

4-(prop-1-en-2-yl)pyridin-2-amine

4-(prop-1-en-2-yl)pyridin-2-amine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); tricyclohexylphosphine In 1,4-dioxane; water; acetonitrile at 120℃;100%
With tris-(dibenzylideneacetone)dipalladium(0) In 1,4-dioxane; water; acetonitrile at 90℃; for 12h;
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

2-azido-1-(4-chlorophenyl)-3-(3,5-dimethoxyphenyl)prop-2-en-1-one

2-azido-1-(4-chlorophenyl)-3-(3,5-dimethoxyphenyl)prop-2-en-1-one

N-(7-chloro-2-(4-chlorophenyl)imidazo[1,2-a]pyridin-3-yl)-1-(3,5-dimethoxyphenyl)methanimine

N-(7-chloro-2-(4-chlorophenyl)imidazo[1,2-a]pyridin-3-yl)-1-(3,5-dimethoxyphenyl)methanimine

Conditions
ConditionsYield
In tetrahydrofuran Reflux;99.9%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

acetic anhydride
108-24-7

acetic anhydride

N-(4-chloropyridin-2-yl)acetamide

N-(4-chloropyridin-2-yl)acetamide

Conditions
ConditionsYield
With triethylamine at 20 - 60℃; for 12h;99%
With triethylamine at 60℃; for 12h;99%
With pyridine In dichloromethane at 20℃; for 26h;75%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

N-nitro-2-amino-4-chloropyridine
24484-97-7

N-nitro-2-amino-4-chloropyridine

Conditions
ConditionsYield
With sulfuric acid; nitric acid at 0 - 5℃; for 78h;99%
With sulfuric acid; nitric acid at 0 - 20℃; for 0.333333h;92%
With sulfuric acid; nitric acid at 0℃; for 0.333333h;
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

pivaloyl chloride
3282-30-2

pivaloyl chloride

4-chloro-2-trimethylacetamidopyridine
188577-70-0

4-chloro-2-trimethylacetamidopyridine

Conditions
ConditionsYield
With pyridine at 0 - 20℃; for 12h;99%
With pyridine at 0 - 20℃; for 12h;99%
With pyridine for 12h; Ambient temperature;95%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

phenyl chloroformate
1885-14-9

phenyl chloroformate

phenyl N-(4-chloro-2-pyridyl)-N-phenoxycarbonylcarbamate
670253-26-6

phenyl N-(4-chloro-2-pyridyl)-N-phenoxycarbonylcarbamate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0 - 25℃; for 2h;99%
With triethylamine In tetrahydrofuran at 20℃; for 1.5h;53.4%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

dimethyl amine
124-40-3

dimethyl amine

2-amino-4-(dimethylamino)-pyridine
50426-31-8

2-amino-4-(dimethylamino)-pyridine

Conditions
ConditionsYield
In water at 120℃; Microwave irradiation;99%
In water at 175℃; for 0.583333h; Microwave;94%
Stage #1: 2-Amino-4-chloropyridine; dimethyl amine In water at 175℃; for 0.583333h; Microwave irradiation;
Stage #2: With ammonium carbonate In water; acetonitrile
94%
In water at 175℃; for 0.583333h; Microwave irradiation;94%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

5-bromo-4-chloro-pyridin-2-ylamine
942947-94-6

5-bromo-4-chloro-pyridin-2-ylamine

Conditions
ConditionsYield
With N-Bromosuccinimide In acetonitrile for 14h;99%
With N-Bromosuccinimide In acetonitrile at 20℃; for 14h;99%
With N-Bromosuccinimide In acetonitrile at 20℃;99%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

cyclopropylboronic acid
411235-57-9

cyclopropylboronic acid

2-amino-4-(cyclopropyl)pyridine
908269-97-6

2-amino-4-(cyclopropyl)pyridine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); potassium carbonate; tricyclohexylphosphine In 1,4-dioxane; acetonitrile at 120℃; Inert atmosphere;99%
With potassium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In 1,4-dioxane; water at 80℃; for 15h;
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

4-(chlorosulfonyl)benzenesulfonyl fluoride

4-(chlorosulfonyl)benzenesulfonyl fluoride

4-(N-(4-chloropyridin-2-yl)sulfamoyl)benzene-1-sulfonyl fluoride

4-(N-(4-chloropyridin-2-yl)sulfamoyl)benzene-1-sulfonyl fluoride

Conditions
ConditionsYield
With pyridine In chloroform at 20℃; for 48h; chemoselective reaction;99%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

tert-butyl (azetidin-3-ylmethyl)carbamate hydrochloride
1170108-38-9

tert-butyl (azetidin-3-ylmethyl)carbamate hydrochloride

tert-butyl ((1-(2-aminopyridin-4-yl)azetidin-3-yl)methyl)carbamate

tert-butyl ((1-(2-aminopyridin-4-yl)azetidin-3-yl)methyl)carbamate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol at 120℃; for 24h; Sealed tube;96%
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol at 120℃; for 24h; Sealed tube;
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Methoxyacetyl chloride
38870-89-2

Methoxyacetyl chloride

N-(4-chloro-2-pyridyl)-2-methoxyacetamide
1262776-53-3

N-(4-chloro-2-pyridyl)-2-methoxyacetamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20 - 25℃; for 0.25h;96%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

ibuprofen
15687-27-1

ibuprofen

N-(4-chloro-pyridin-2-yl)-2-(4-isobutyl-phenyl)-propionamide

N-(4-chloro-pyridin-2-yl)-2-(4-isobutyl-phenyl)-propionamide

Conditions
ConditionsYield
Stage #1: ibuprofen With 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 0.5h;
Stage #2: 2-Amino-4-chloropyridine In dichloromethane for 72h; Heating;
95%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

ethyl (2E)-3-dimethylamino-2-(1H-indol-3-yl)propenoate
714274-03-0

ethyl (2E)-3-dimethylamino-2-(1H-indol-3-yl)propenoate

7-chloro-3-(1H-indol-3-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

7-chloro-3-(1H-indol-3-yl)-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With acetic acid for 4h; Heating;95%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

3-pyridylboronic acid
1692-25-7

3-pyridylboronic acid

4-(pyridin-3-yl)pyridin-2-amine
865604-20-2

4-(pyridin-3-yl)pyridin-2-amine

Conditions
ConditionsYield
With potassium phosphate; PdCl2[P(tBu)2(p-Me2NC6H4)]2 In 1,4-dioxane; water at 100℃; Suzuki-Miyaura cross-coupling;95%
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In acetonitrile at 170℃; Suzuki reaction; Microwave irradiation;95%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

Ethoxycarbonyl isothiocyanate
16182-04-0

Ethoxycarbonyl isothiocyanate

ethyl [(4-chloropyridin-2-yl)carbamothioyl]carbamate
1131410-83-7

ethyl [(4-chloropyridin-2-yl)carbamothioyl]carbamate

Conditions
ConditionsYield
In 1,4-dioxane at 20℃;95%
In 1,4-dioxane at 25℃; for 2h;92.1%
In 1,4-dioxane at 20℃; for 2h;16.5 g
In 1,4-dioxane at 20℃; for 2h;8.5 g
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

(2-methoxyphenyl)methanol
612-16-8

(2-methoxyphenyl)methanol

C13H11ClN2O2

C13H11ClN2O2

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper(l) iodide In water at 20℃; for 6h;95%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

3-chlorobenzoate
535-80-8

3-chlorobenzoate

3-chloro-N-(4-chloropyridin-2-yl)benzamide
901390-17-8

3-chloro-N-(4-chloropyridin-2-yl)benzamide

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃;94%
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

2-(2-methoxyethoxy)ethyl alcohol
111-77-3

2-(2-methoxyethoxy)ethyl alcohol

4-(2-(2-methoxyethoxy)ethoxy)pyridin-2-amine

4-(2-(2-methoxyethoxy)ethoxy)pyridin-2-amine

Conditions
ConditionsYield
Stage #1: 2-(2-methoxyethoxy)ethyl alcohol With sodium hydride In neat (no solvent) for 0.166667h; Inert atmosphere; Cooling with ice;
Stage #2: 2-Amino-4-chloropyridine In neat (no solvent) at 120℃; for 16h; Sealed tube;
94%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

(N,N-dimethylamino)dimethylchlorosilane
18209-60-4

(N,N-dimethylamino)dimethylchlorosilane

C9H16ClN3Si

C9H16ClN3Si

Conditions
ConditionsYield
Stage #1: 2-Amino-4-chloropyridine With n-butyllithium In hexane at 0 - 20℃; for 12h; Inert atmosphere; Schlenk technique;
Stage #2: (N,N-dimethylamino)dimethylchlorosilane In hexane at 0 - 20℃; for 12h; Inert atmosphere; Schlenk technique;
94%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

tert-butylisonitrile
119072-55-8, 7188-38-7

tert-butylisonitrile

Glyoxilic acid
298-12-4

Glyoxilic acid

C11H14ClN3
1329425-87-7

C11H14ClN3

Conditions
ConditionsYield
Stage #1: 2-Amino-4-chloropyridine; Glyoxilic acid With perchloric acid In methanol Groebke-Blackburn-Bienayme reaction;
Stage #2: tert-butylisonitrile In methanol at 20℃; for 12h; Groebke-Blackburn-Bienayme reaction; regioselective reaction;
93%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

benzyl alcohol
100-51-6

benzyl alcohol

N-(4-chloropyridin-2-yl)benzamide

N-(4-chloropyridin-2-yl)benzamide

Conditions
ConditionsYield
With tert.-butylhydroperoxide; copper(l) iodide In water at 20℃; for 6h;93%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

2-bromo-4-chloropyridine
22918-01-0

2-bromo-4-chloropyridine

Conditions
ConditionsYield
Stage #1: 2-Amino-4-chloropyridine With hydrogen bromide; bromine In water at 0℃; for 0.166667h;
Stage #2: With sodium nitrite In water at -10 - 20℃;
Stage #3: With sodium hydroxide In water at 0℃; pH=> 10;
92%
Stage #1: 2-Amino-4-chloropyridine With hydrogen bromide; bromine In water at 0℃; for 0.166667h;
Stage #2: With sodium nitrite In water at -10 - 20℃;
Stage #3: With sodium hydroxide In water at 0℃; pH=10;
92%
Stage #1: 2-Amino-4-chloropyridine With hydrogen bromide; bromine In water at -5℃; for 0.333333h;
Stage #2: With sodium nitrite In water at -5℃; for 0.5h;
40%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

tert-butyl N-(4-piperidinylmethyl)carbamate
135632-53-0

tert-butyl N-(4-piperidinylmethyl)carbamate

tert-butyl ((1-(2-aminopyridin-4-yl)piperidin-4-yl)methyl)carbamate

tert-butyl ((1-(2-aminopyridin-4-yl)piperidin-4-yl)methyl)carbamate

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol at 120℃; for 24h; Sealed tube;92%
With N-ethyl-N,N-diisopropylamine In isopropyl alcohol at 120℃; for 24h; Sealed tube;
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

ortho-bromobenzaldehyde
6630-33-7

ortho-bromobenzaldehyde

2-(4-chloropyridin-2-yl)-2H-indazole

2-(4-chloropyridin-2-yl)-2H-indazole

Conditions
ConditionsYield
With choline azide; caesium carbonate at 20℃; for 4h; Green chemistry;92%
4,4-dimethylpiperidine
4045-30-1

4,4-dimethylpiperidine

2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

4-(4,4-dimethylpiperidin-1-yl)pyridin-2-amine

4-(4,4-dimethylpiperidin-1-yl)pyridin-2-amine

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 200℃; for 0.75h; Microwave irradiation;92%
2-Amino-4-chloropyridine
19798-80-2

2-Amino-4-chloropyridine

4-chloro-5-iodopyridin-2-ylamine
670253-37-9

4-chloro-5-iodopyridin-2-ylamine

Conditions
ConditionsYield
With N-iodo-succinimide In N,N-dimethyl-formamide for 43h; regioselective reaction;90%
With N-iodo-succinimide In N,N-dimethyl-formamide at 40℃;70%
With N-iodo-succinimide In N,N-dimethyl-formamide at 20℃; for 18h;62%

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