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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White to light yellow crystal White crystal Assay 99.0%min

High purity Various Specifications 4-Aminopyridine CAS:504-24-5

Cas:504-24-5

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 4-Aminopyridine CAS No. 504-24-5

4-Aminopyridine

Cas:504-24-5

Min.Order:1 Gram

FOB Price: $8.0

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 4-pyridylamine

Cas:504-24-5

Min.Order:1

Negotiable

Type:Other

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

4-Aminopyridine GMP manufacturer

Cas:504-24-5

Min.Order:0 Metric Ton

Negotiable

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

4-Aminopyridine

Cas:504-24-5

Min.Order:1 Kilogram

FOB Price: $1.0

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

4-Aminopyridine

Cas:504-24-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

CAS 504-24-5 4-Aminopyridine

Cas:504-24-5

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Name:4-Aminopyridine Other name:4-Aminopyridine Cas:504-24-5 Molecular formula:C5H6N2 Molecular weight:94.11 Color:White Powder Purity:98% Usage:Pharm Intermediates Appearance:White powder Storage:Store in cool and dry place, away fro

4-Aminopyridine

Cas:504-24-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

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

4-Aminopyridine 504-24-5

Cas:504-24-5

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Baoji Guokang Healthchem co.,ltd

About us 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.

4-Aminopyridine

Cas:504-24-5

Min.Order:1 Kilogram

FOB Price: $50.0 / 60.0

Type:Trading Company

inquiry

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 4-Aminopyridine Synonyms: 4-amino-pyridin;Avitrol 200;avitrol200;Compound 1861;Frampridine;mi-w-3;4-AP;4APY CAS: 504-24-5 MF: C5H6N2 MW: 94.11 EINECS: 207-987-9 Product Categories: amine;Amines, Aromatics, Pharmaceuticals

4-Aminopyridine high purity best quality

Cas:504-24-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and quality c

4-Aminopyridine

Cas:504-24-5

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

4-Aminopyridine

Cas:504-24-5

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-Aminopyridine

Cas:504-24-5

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

4-Aminopyridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

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

4-Aminopyridine

Cas:504-24-5

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-Aminopyridine

Cas:504-24-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

4-Aminopyridine Manufacturer/High quality/Best price/In stock

Cas:504-24-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 4-Aminopyridine CAS No.:504-24-5 Molecule Formula:C5H6N2 Molecule Weight:94.12 Purity: 98.0% Package: 25kg/drum Description:White or light yellow crystalline powder Manufacture Standards:Enterprise Standard

Best Quality 4-Aminopyridine

Cas:504-24-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

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 etc. 3) oem/odm available; 4) rea

4-AminopyridineCAS NO.: 504-24-5

Cas:504-24-5

Min.Order:1 Gram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Fampridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service an

4-pyridylamine

Cas:504-24-5

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/4-Aminopyridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Beijing Greenchem Technology Co.,Ltd. ( Panjin Greenchem Technology Co.Ltd .)

Capability on chemical synthesis1. Beijing High-Tech Enterprises2. Strong R&D Team3. 8 years of experiences in R & D of high-tech Catalyst;4. 5000 production techniques, 69 items of national patents, and 360 kinds of products on sales;5. The producti

4-Aminopyridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Vanz Pharm Co.,Ltd

ISO Factory/Good qualityAppearance:off white Storage:dry and cool place Package:10G/BAG; 1KG/BAG ;25KG/DRUM Application:Active pharaceutical ingredients Transportation:BY SEA,AIR,EXPRESS Port:SHANGHAI;BEIJING

4-aminopyridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

4-Aminopyridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home

4-Aminopyridine china manufacture

Cas:504-24-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

factory supply CAS 504-24-5 with competitive price

Cas:504-24-5

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

4-AMinopyridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

4-Aminopyridine

Cas:504-24-5

Min.Order:0

Negotiable

Type:Other

inquiry

Synthetic route

N-(4-pyridyl) t-butyl carbamate
98400-69-2

N-(4-pyridyl) t-butyl carbamate

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With nitric acid In dichloromethane at 0℃; for 2h;97%
4-nitropyridine
1122-61-8

4-nitropyridine

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With C36H56Cl3CrN2O; magnesium; 4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane In tetrahydrofuran at 60℃; for 24h; Inert atmosphere; chemoselective reaction;97%
With hydrogen In water at 25℃; for 15h; Green chemistry; chemoselective reaction;94%
With triethylamine In water at 80℃; for 6h; Reagent/catalyst; Solvent; Inert atmosphere; Green chemistry; chemoselective reaction;92%
4-iodopyridine
15854-87-2

4-iodopyridine

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With copper(l) iodide; ascorbic acid In ammonia at 25℃; for 18h; liquid NH3;97%
4-Chloropyridine
626-61-9

4-Chloropyridine

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With ammonia; copper dichloride at 65℃; for 8h; Temperature; Autoclave; Inert atmosphere;96.7%
With ammonia; zinc(II) chloride at 220 - 230℃; im Rohr;
Multi-step reaction with 2 steps
1: 2 h / Heating
2: CH3SO2OH / 10percent Pd-C / ethanol / Heating
View Scheme
isonicotinamide
1453-82-3

isonicotinamide

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; N-ethyl-N,N-diisopropylamine In water; acetonitrile at 30℃; for 4h; Solvent;96%
With sodium hypochlorite; sodium hydroxide at 0 - 10℃;91.8%
With potassium hydroxide; bromine at 70℃;
With chlorine; sodium hydroxide In water at -5 - 5℃; Product distribution / selectivity;
4-nitraminopyridine N-oxide
1124-33-0

4-nitraminopyridine N-oxide

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With titanium tetrachloride; tin(ll) chloride In tetrahydrofuran for 0.5h; Ambient temperature;95%
With palladium 10% on activated carbon; ammonium formate In ethanol at 20℃; for 16h;94%
With sodium hypophosphite; palladium on activated charcoal In acetic acid at 60℃; for 2.5h;92%
N-benzyl-4-aminopyridine
13556-71-3

N-benzyl-4-aminopyridine

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With ammonium formate; zinc In ethylene glycol for 0.0416667h; microwave irradiation;95%
With ammonium formate; magnesium In ethylene glycol for 0.025h; microwave irradiation;95%
With sulfuric acid for 24h; Ambient temperature;78%
pyridine-4-carbonitrile
100-48-1

pyridine-4-carbonitrile

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With sodium hypochlorite; sodium hydroxide In water at 40 - 70℃; for 1h; Product distribution / selectivity;90.8%
With sodium hypochlorite; sodium hydroxide In water at 40 - 70℃; for 1h; Product distribution / selectivity;90.8%
With sodium hypochlorite; sodium pertungstate In water at 0 - 95℃; for 12h; Temperature;
3,5-dibromopiperidin-4-one

3,5-dibromopiperidin-4-one

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With ammonium hydroxide In dichloromethane at 40 - 45℃; for 4h;90.6%
4-aminopyridine-1-oxide
3535-75-9

4-aminopyridine-1-oxide

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With sodium tetrahydroborate; zirconium(IV) chloride In tetrahydrofuran at 0 - 35℃; for 0.25h; Reduction;90%
With sodium tetrahydroborate; lithium chloride In tetrahydrofuran at 35℃; for 0.5h; Reduction;90%
With palladium on activated charcoal; ethanol Hydrogenation;
With methanol; nickel Hydrogenation;
4-nitraminopyridine N-oxide
1124-33-0

4-nitraminopyridine N-oxide

A

4-aminopyridine
504-24-5

4-aminopyridine

B

4-aminopyridine-1-oxide
3535-75-9

4-aminopyridine-1-oxide

Conditions
ConditionsYield
With cyclohexa-1,4-diene; 5%-palladium/activated carbon In methanol at 120℃; for 0.0833333h; Microwave irradiation;A 90%
B 10%
4-azidopyridine
39910-67-3

4-azidopyridine

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With iron In water at 20℃; Inert atmosphere;88%
With C36H44CuN8(1+)*BF4(1-) In water; toluene at 100℃; for 20h; Sealed tube; chemoselective reaction;45%
With water for 5h; Inert atmosphere; UV-irradiation; Sealed tube; chemoselective reaction;44%
With 2,6-di-tert-butyl-4-methyl-phenol In decalin at 153.8℃; Kinetics; Rate constant; Thermodynamic data; Eact, ΔSact; var. temper.; var. conc. of inhibitor;
4-pyridylboronic acid
1692-15-5

4-pyridylboronic acid

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With N-Bromosuccinimide; CYANAMID; bis-[(trifluoroacetoxy)iodo]benzene In acetonitrile at 20℃; for 1h; chemoselective reaction;85%
With N-Bromosuccinimide; N-methoxylamine hydrochloride; bis-[(trifluoroacetoxy)iodo]benzene In acetonitrile at 20℃;78%
4-pyridinecarbohydroxamic acid
4427-22-9

4-pyridinecarbohydroxamic acid

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
In formamide at 130 - 150℃; for 20h;79%
Stage #1: 4-pyridinecarbohydroxamic acid With potassium carbonate In dimethyl sulfoxide at 90℃; for 3h; Lossen Rearrangement;
Stage #2: With hydrogenchloride In water; dimethyl sulfoxide at 20℃; for 1h;
4-bromopyridine hydrochloride
19524-06-2

4-bromopyridine hydrochloride

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With bis(triphenylphosphine)nickel(II) chloride; lithium hexamethyldisilazane In toluene at 100℃; for 4h; Glovebox; Sealed tube;78%
4-bromopyridin
1120-87-2

4-bromopyridin

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With ammonium hydroxide; L-2-O-methyl-chiro-inositol; copper(II) acetate monohydrate In 1-methyl-pyrrolidin-2-one at 110℃; for 30h;75%
With copper(I) oxide; ammonium hydroxide In 1-methyl-pyrrolidin-2-one at 80℃; for 24h;74%
With ammonia; water at 200℃;
pyridin-4-ol
626-64-2

pyridin-4-ol

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
With sodium tetrahydroborate; 5%-palladium/activated carbon; hydrazine hydrate; lithium hydroxide In 1,4-dioxane at 170℃; for 16h; Molecular sieve; Inert atmosphere;52%
4-Chloropyridine
626-61-9

4-Chloropyridine

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
for 6h; Reflux; neat (no solvent);51%
2-(1,3-dithian-2-yl)propan-2-yl (pyridin-4-yl)carbamate

2-(1,3-dithian-2-yl)propan-2-yl (pyridin-4-yl)carbamate

4-aminopyridine
504-24-5

4-aminopyridine

Conditions
ConditionsYield
Stage #1: 2-(1,3-dithian-2-yl)propan-2-yl (pyridin-4-yl)carbamate With sodium periodate In tetrahydrofuran; water at 20℃; for 12h; Inert atmosphere; Schlenk technique;
Stage #2: With potassium carbonate In methanol at 20℃; for 1h; Inert atmosphere; Schlenk technique;
48%
cyclohexanone-[4]pyridylhydrazone
1135-35-9

cyclohexanone-[4]pyridylhydrazone

sodium ethanolate
141-52-6

sodium ethanolate

A

4-aminopyridine
504-24-5

4-aminopyridine

B

6,7,8,9-tetrahydro-5H-pyrido[4,3-b]indole
4329-69-5

6,7,8,9-tetrahydro-5H-pyrido[4,3-b]indole

C

N-ethylpyridine-4-amine
35036-85-2

N-ethylpyridine-4-amine

Conditions
ConditionsYield
In diethylene glycol at 235 - 240℃; for 0.25h;A 15%
B 39%
C 37%
cyclohexanone-[4]pyridylhydrazone
1135-35-9

cyclohexanone-[4]pyridylhydrazone

A

4-aminopyridine
504-24-5

4-aminopyridine

B

6,7,8,9-tetrahydro-5H-pyrido[4,3-b]indole
4329-69-5

6,7,8,9-tetrahydro-5H-pyrido[4,3-b]indole

C

N-ethylpyridine-4-amine
35036-85-2

N-ethylpyridine-4-amine

Conditions
ConditionsYield
With sodium ethanolate In diethylene glycol at 235 - 240℃; for 0.25h;A 15%
B 39%
C 37%
With sodium ethanolate In diethylene glycol at 235 - 240℃; for 0.25h; Rate constant; Product distribution; other solvent, various concentrations of sodium ethoxide;A 15%
B 39%
C 37%
(E)-4-phenylazopyridine
2569-58-6, 54772-94-0, 54773-16-9

(E)-4-phenylazopyridine

A

4-aminopyridine
504-24-5

4-aminopyridine

B

4-amino-phenol
123-30-8

4-amino-phenol

C

4-(2-(pyridin-4-yl)diazenyl)phenol
20815-66-1

4-(2-(pyridin-4-yl)diazenyl)phenol

D

N-Phenyl-N'-{1-[4-(pyridin-4-ylazo)-phenyl]-1H-pyridin-4-ylidene}-hydrazine

N-Phenyl-N'-{1-[4-(pyridin-4-ylazo)-phenyl]-1H-pyridin-4-ylidene}-hydrazine

Conditions
ConditionsYield
With sulfuric acid Product distribution; Rate constant; reaction of phenylazopyridines with aq. H2SO4; reaction intermediates, kinetics and mechanism; effect of H2SO4 concentration of product ratio and reaction rate; UV study;A 19%
B 20%
C 22%
D 31%
With sulfuric acidA 19%
B 20%
C 22%
D 31%
N-Ethylidenasparaginsaeuredinitril

N-Ethylidenasparaginsaeuredinitril

A

4-aminopyridine
504-24-5

4-aminopyridine

B

butanedinitrile
110-61-2

butanedinitrile

C

2-Eth-(E)-ylideneamino-acrylonitrile

2-Eth-(E)-ylideneamino-acrylonitrile

D

(Z)-2-Methyl-3-azahex-4-endinitril

(Z)-2-Methyl-3-azahex-4-endinitril

E

(E)-2-Methyl-3-azahex-4-endinitril

(E)-2-Methyl-3-azahex-4-endinitril

Conditions
ConditionsYield
With 4 A molecular sieve at 500℃; under 0.1 Torr; Product distribution; flash vaccum pyrolysis;A 26.1%
B n/a
C n/a
D n/a
E n/a
N-Ethylidenasparaginsaeuredinitril

N-Ethylidenasparaginsaeuredinitril

A

4-aminopyridine
504-24-5

4-aminopyridine

B

butanedinitrile
110-61-2

butanedinitrile

C

(Z)-2-Methyl-3-azahex-4-endinitril

(Z)-2-Methyl-3-azahex-4-endinitril

D

(E)-2-Methyl-3-azahex-4-endinitril

(E)-2-Methyl-3-azahex-4-endinitril

Conditions
ConditionsYield
With 4 A molecular sieve at 500℃; under 0.1 Torr; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;A 26.1%
B n/a
C n/a
D n/a
4-(N'-Pyridin-4-yl-hydrazino)-phenol
51790-32-0

4-(N'-Pyridin-4-yl-hydrazino)-phenol

A

4-aminopyridine
504-24-5

4-aminopyridine

B

4-amino-phenol
123-30-8

4-amino-phenol

C

4-(2-(pyridin-4-yl)diazenyl)phenol
20815-66-1

4-(2-(pyridin-4-yl)diazenyl)phenol

Conditions
ConditionsYield
With sulfuric acidA 22%
B 24%
C 26%
With sulfuric acid Product distribution; Rate constant; reaction of phenylazopyridines with aq. H2SO4; reaction intermediates, kinetics and mechanism; effect of H2SO4 concentration of product ratio and reaction rate; UV study;A 22%
B 24%
C 26%
With sulfuric acid Product distribution; Rate constant; acid-catalysed disproportionation and benzidine rearrangement of phenylhydrazinopyridines; reaction pathways; kinetics and mechanism;A 22%
B 24%
C 26%
4-(4-chlorophenylazo)pyridine
20815-53-6

4-(4-chlorophenylazo)pyridine

A

4-aminopyridine
504-24-5

4-aminopyridine

B

4-(2,4-dichlorophenylazo)pyridine

4-(2,4-dichlorophenylazo)pyridine

C

3-chloro-4-[4]pyridylazo-phenol

3-chloro-4-[4]pyridylazo-phenol

D

4-amino-3-chlorophenol
17609-80-2

4-amino-3-chlorophenol

E

2,4-Dichloroaniline
554-00-7

2,4-Dichloroaniline

F

(E)-4-(pyridin-4-yldiazenyl)phenol
253333-13-0

(E)-4-(pyridin-4-yldiazenyl)phenol

Conditions
ConditionsYield
With sulfuric acid Rate constant; Product distribution; var. conc. of acid;A 26%
B 13%
C 15%
D 14%
E 10%
F 2%
4-(4-chlorophenylhydrazo)pyridine hydrochloride

4-(4-chlorophenylhydrazo)pyridine hydrochloride

A

4-aminopyridine
504-24-5

4-aminopyridine

B

4-(2,4-dichlorophenylazo)pyridine

4-(2,4-dichlorophenylazo)pyridine

C

2,4-Dichloroaniline
554-00-7

2,4-Dichloroaniline

D

4-chloro-aniline
106-47-8

4-chloro-aniline

E

N-(4-chloro-phenyl)-N'-{1-[4-(pyridin-4-ylazo)-phenyl]-1H-pyridin-4-ylidene}-hydrazine

N-(4-chloro-phenyl)-N'-{1-[4-(pyridin-4-ylazo)-phenyl]-1H-pyridin-4-ylidene}-hydrazine

F

4-(4-chlorophenylazo)pyridine
20815-53-6

4-(4-chlorophenylazo)pyridine

Conditions
ConditionsYield
With sulfuric acid for 24h; Rate constant; Mechanism; Product distribution; var. conc. of acid; var. time; other (arylazo)pyridine;A 25%
B 21%
C 20%
D 3%
E n/a
F 5%
4-(2-phenylhydrazin)pyridine
72109-70-7

4-(2-phenylhydrazin)pyridine

A

4-aminopyridine
504-24-5

4-aminopyridine

B

4-amino-phenol
123-30-8

4-amino-phenol

C

N1-(4-pyridinyl)-1,4-benzenediamine
60172-08-9

N1-(4-pyridinyl)-1,4-benzenediamine

D

4-(2-(pyridin-4-yl)diazenyl)phenol
20815-66-1

4-(2-(pyridin-4-yl)diazenyl)phenol

E

(E)-4-phenylazopyridine
2569-58-6, 54772-94-0, 54773-16-9

(E)-4-phenylazopyridine

F

aniline
62-53-3

aniline

Conditions
ConditionsYield
With sulfuric acid Product distribution; Rate constant; acid-catalysed disproportionation and benzidine rearrangement of phenylhydrazinopyridines; reaction pathways; kinetics and mechanism;A 15%
B 7%
C 6%
D 5%
E 9%
F 8%
4-(2-phenylhydrazin)pyridine
72109-70-7

4-(2-phenylhydrazin)pyridine

A

4-aminopyridine
504-24-5

4-aminopyridine

B

N1-(4-pyridinyl)-1,4-benzenediamine
60172-08-9

N1-(4-pyridinyl)-1,4-benzenediamine

C

(E)-4-phenylazopyridine
2569-58-6, 54772-94-0, 54773-16-9

(E)-4-phenylazopyridine

D

aniline
62-53-3

aniline

Conditions
ConditionsYield
With sulfuric acid Further byproducts given;A 15%
B 6%
C 9%
D 8%
4-aminopyridine
504-24-5

4-aminopyridine

2-chloroethyl isothiocyanate
1943-83-5

2-chloroethyl isothiocyanate

N-(2-chloroacetyl)-N'-(4-pyridyl)urea
62491-96-7

N-(2-chloroacetyl)-N'-(4-pyridyl)urea

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃;100%
In toluene at 0 - 12℃; for 12h;94%
In toluene at 20℃; for 6h;87%
4-aminopyridine
504-24-5

4-aminopyridine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

N-(4-pyridyl) t-butyl carbamate
98400-69-2

N-(4-pyridyl) t-butyl carbamate

Conditions
ConditionsYield
copper(II) bis(tetrafluoroborate) at 30 - 35℃; for 0.5h;100%
With perchloric acid at 30 - 35℃; for 0.25h;100%
In PEG-400 at 20℃; for 0.25h;100%
methanesulfonic acid 3-(2-phenylethynyl-phenyl)-prop-2-ynyl ester
864950-69-6

methanesulfonic acid 3-(2-phenylethynyl-phenyl)-prop-2-ynyl ester

4-aminopyridine
504-24-5

4-aminopyridine

4-amino-1-[3-(2-phenylethynyl-phenyl)-prop-2-ynyl]-pyridinium; methanesulfonate

4-amino-1-[3-(2-phenylethynyl-phenyl)-prop-2-ynyl]-pyridinium; methanesulfonate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 24h;100%
4-aminopyridine
504-24-5

4-aminopyridine

2,4-dinitrophenyl benzoate
1523-15-5

2,4-dinitrophenyl benzoate

C18H14N4O6

C18H14N4O6

Conditions
ConditionsYield
In water; dimethyl sulfoxide at 25℃; Kinetics;100%
4-aminopyridine
504-24-5

4-aminopyridine

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

2,3,4,5,6-pentachloropyridine

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

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

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 120℃; for 1h;100%
Heating;
4-aminopyridine
504-24-5

4-aminopyridine

1,12-dibromododecane
3344-70-5

1,12-dibromododecane

1,12-bis(4-aminopyridinio)dodecane dibromide

1,12-bis(4-aminopyridinio)dodecane dibromide

Conditions
ConditionsYield
In various solvent(s) for 24h; Heating;100%
4-aminopyridine
504-24-5

4-aminopyridine

4-[2-(11-ethyl-6,11-dihydro-5-methyl-6-oxo-5H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-8-yl)ethoxy]-3-methylbenzoyl chloride
627906-79-0

4-[2-(11-ethyl-6,11-dihydro-5-methyl-6-oxo-5H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-8-yl)ethoxy]-3-methylbenzoyl chloride

4-[2-(11-ethyl-6,11-dihydro-5-methyl-6-oxo-5H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-8-yl)ethoxy]-3-methyl-N-(4-pyridinyl)benzamide

4-[2-(11-ethyl-6,11-dihydro-5-methyl-6-oxo-5H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-8-yl)ethoxy]-3-methyl-N-(4-pyridinyl)benzamide

Conditions
ConditionsYield
With triethylamine In dichloromethane at 25℃; for 5h;100%
4-aminopyridine
504-24-5

4-aminopyridine

bis(4-aminopyridinium) hexafluorosilicate

bis(4-aminopyridinium) hexafluorosilicate

Conditions
ConditionsYield
With fluorosilicic acid In methanol100%
4-aminopyridine
504-24-5

4-aminopyridine

4-nitrobenzoic acid ester

4-nitrobenzoic acid ester

4-nitro-N-(pyridin-4-yl)benzamide
13160-58-2

4-nitro-N-(pyridin-4-yl)benzamide

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at 25℃; for 0.0333333h; Flow reactor;100%
4-aminopyridine
504-24-5

4-aminopyridine

3-[3-methyl-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-phenyl]benzoic acid

3-[3-methyl-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-phenyl]benzoic acid

3-[3-methyl-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-phenyl]-N-(4-pyridyl)benzamide

3-[3-methyl-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydropyran-2-yl]oxy-phenyl]-N-(4-pyridyl)benzamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere;100%
With N-[(dimethylamino)-1H-1,2,3-triazolo-[4,5-b]pyridin-1-ylmethylene]-N-methylmethanaminium hexafluorophosphate N-oxide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere;100%
4-aminopyridine
504-24-5

4-aminopyridine

2-chloroethanesulfonyl fluoride
762-70-9

2-chloroethanesulfonyl fluoride

C7H10FN2O2S(1+)*Cl(1-)

C7H10FN2O2S(1+)*Cl(1-)

Conditions
ConditionsYield
In ethyl acetate at 20℃; for 0.0833333h; Menshutkin Reaction;100%
4-aminopyridine
504-24-5

4-aminopyridine

1-Bromo-2-iodobenzene
583-55-1

1-Bromo-2-iodobenzene

N-(2-bromophenyl)pyridin-4-amine
86775-99-7

N-(2-bromophenyl)pyridin-4-amine

Conditions
ConditionsYield
With sodium t-butanolate; 1,1'-bis-(diphenylphosphino)ferrocene; tris(dibenzylideneacetone)dipalladium (0) In toluene at 115℃; for 18h;99.9%
With 1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate In toluene at 120℃; for 18h; Sealed tube;99%
With 1,1'-bis-(diphenylphosphino)ferrocene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 14h; Cross-coupling;96%
4-aminopyridine
504-24-5

4-aminopyridine

methyl iodide
74-88-4

methyl iodide

N-methyl-4-aminopyridinium iodide
7680-59-3

N-methyl-4-aminopyridinium iodide

Conditions
ConditionsYield
for 8h;99%
In ethyl acetate
In diethyl ether at 20℃;
In acetonitrile at 80℃;
4-aminopyridine
504-24-5

4-aminopyridine

2-(2-Dimethylamino-benzylsulfanyl)-nicotinic acid
181823-46-1

2-(2-Dimethylamino-benzylsulfanyl)-nicotinic acid

2-(2-Dimethylamino-benzylsulfanyl)-N-pyridin-4-yl-nicotinamide
181822-33-3

2-(2-Dimethylamino-benzylsulfanyl)-N-pyridin-4-yl-nicotinamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane for 3h; Ambient temperature;99%
4-aminopyridine
504-24-5

4-aminopyridine

maleic anhydride
108-31-6

maleic anhydride

maleic acid 4-pyridylmonoamide

maleic acid 4-pyridylmonoamide

Conditions
ConditionsYield
In 1,4-dioxane at 20℃;99%
In tetrahydrofuran at 25℃; for 3h;78.6%
4-aminopyridine
504-24-5

4-aminopyridine

carbon monoxide
201230-82-2

carbon monoxide

8-[(2E)-3-(2-iodophenyl)prop-2-enoyl]-1,4-dioxa-8-azaspiro[4.5]decane

8-[(2E)-3-(2-iodophenyl)prop-2-enoyl]-1,4-dioxa-8-azaspiro[4.5]decane

3-[2-(1,4-dioxa-8-azaspiro[4,5]dec-8-yl)-2-oxoethyl]-2-pyridin-4-ylisoindolin-1-one

3-[2-(1,4-dioxa-8-azaspiro[4,5]dec-8-yl)-2-oxoethyl]-2-pyridin-4-ylisoindolin-1-one

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium (0); trifuran-2-yl-phosphane; caesium carbonate In toluene at 90℃; under 760 Torr; for 18h; Michael addition;99%
isopropenyl (5-tert-butyl-2-(p-tolyl)-2H-pyrazol-3-yl)carbamate
865094-47-9

isopropenyl (5-tert-butyl-2-(p-tolyl)-2H-pyrazol-3-yl)carbamate

4-aminopyridine
504-24-5

4-aminopyridine

N-(5-tert-butyl-2-(p-tolyl)-2H-pyrazol-3-yl)-N'-(pyridin-4-yl)urea

N-(5-tert-butyl-2-(p-tolyl)-2H-pyrazol-3-yl)-N'-(pyridin-4-yl)urea

Conditions
ConditionsYield
With 1-Methylpyrrolidine In tetrahydrofuran at 55℃; for 0.5h;99%
(E)-1-(1,4-Dioxa-8-aza-spiro[4.5]dec-8-yl)-3-(2-iodo-phenyl)-propenone

(E)-1-(1,4-Dioxa-8-aza-spiro[4.5]dec-8-yl)-3-(2-iodo-phenyl)-propenone

4-aminopyridine
504-24-5

4-aminopyridine

carbon monoxide
201230-82-2

carbon monoxide

3-[2-(1,4-dioxa-8-azaspiro[4,5]dec-8-yl)-2-oxoethyl]-2-pyridin-4-ylisoindolin-1-one

3-[2-(1,4-dioxa-8-azaspiro[4,5]dec-8-yl)-2-oxoethyl]-2-pyridin-4-ylisoindolin-1-one

Conditions
ConditionsYield
With trifuran-2-yl-phosphane; caesium carbonate; tris-(dibenzylideneacetone)dipalladium(0) In toluene at 90℃; for 18h;99%
4-aminopyridine
504-24-5

4-aminopyridine

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl alcohol
75-65-0

tert-butyl alcohol

N-(4-pyridyl) t-butyl carbamate
98400-69-2

N-(4-pyridyl) t-butyl carbamate

Conditions
ConditionsYield
With potassium hydroxide In water99%
4-aminopyridine
504-24-5

4-aminopyridine

ammonium hexafluorophosphate

ammonium hexafluorophosphate

Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2O)2(2+)*2PF6(1-)=[Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2O)2](PF6)2

Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2O)2(2+)*2PF6(1-)=[Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2O)2](PF6)2

Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2NC5H4N)2(2+)*2PF6(1-)=[Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2NC5H4N)2](PF6)2

Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2NC5H4N)2(2+)*2PF6(1-)=[Co((CHNN(CH3)C5H3N)2C5H2NC6H5)(H2NC5H4N)2](PF6)2

Conditions
ConditionsYield
In methanol N2; Co comp. dissolved under reflux, to a soln. added an excess of ligand, refluxed for 25 min, a soln. of NH4PF6 added; ppt. filtered, washed copiously (diethyl ether), dried (vac.); elem. anal.;99%
4-aminopyridine
504-24-5

4-aminopyridine

trans-bis[O-methyl-(4-methoxyphenyl)phosphonodithioato]nickel
736141-91-6, 195193-91-0

trans-bis[O-methyl-(4-methoxyphenyl)phosphonodithioato]nickel

[Ni(O-methyl-(4-methoxyphenyl)phosphonodithioato)2(p-aminopyridine)2]
377737-43-4

[Ni(O-methyl-(4-methoxyphenyl)phosphonodithioato)2(p-aminopyridine)2]

Conditions
ConditionsYield
In methanol; dichloromethane excess of pyridine deriv. in MeOH was added dropwise to soln. of Ni complex in CH2Cl2, slow evapn. of mixt. at room temp.; elem. anal.;99%
4-aminopyridine
504-24-5

4-aminopyridine

Cu(C6H5C5H2N(C5H3NN(CH3)NCH)2)(H2O)2(2+)*2PF6(1-)=[Cu(C6H5C5H2N(C5H3NN(CH3)NCH)2)(H2O)2](PF6)2

Cu(C6H5C5H2N(C5H3NN(CH3)NCH)2)(H2O)2(2+)*2PF6(1-)=[Cu(C6H5C5H2N(C5H3NN(CH3)NCH)2)(H2O)2](PF6)2

[Cu(PhC5H2N(C5H3NN(CH3)NCH)2)(aminopyridine)](PF6)2

[Cu(PhC5H2N(C5H3NN(CH3)NCH)2)(aminopyridine)](PF6)2

Conditions
ConditionsYield
In methanol excess of N-compd. was added to hot MeOH soln. of Cu-complex, reflux for25 min, concd. MeOH soln. of NH4PF6 was added; ppt. was collected, washed with copious amt. of Et2O, dried in vac., elem. anal.;99%
4-aminopyridine
504-24-5

4-aminopyridine

benzyl alcohol
100-51-6

benzyl alcohol

N-benzyl-4-aminopyridine
13556-71-3

N-benzyl-4-aminopyridine

Conditions
ConditionsYield
With iron(II,III) oxide; potassium tert-butylate In 1,4-dioxane at 90℃; for 168h; Inert atmosphere;99%
With cesium hydroxide; (sat-NHC-Bn)Ir(CO)(PPh3)Cl at 100℃; for 24h; Inert atmosphere;99%
With potassium tert-butylate; copper diacetate In 1,4-dioxane at 130℃; for 48h;99%
4-aminopyridine
504-24-5

4-aminopyridine

(pyridine)2Ni{CH2CH2C(=O)O}
779355-57-6

(pyridine)2Ni{CH2CH2C(=O)O}

[Ni(4-aminopyridine)2(C2H4COO)]
1232169-66-2

[Ni(4-aminopyridine)2(C2H4COO)]

Conditions
ConditionsYield
In N,N-dimethyl-formamide byproducts: py; Ar; DMF soln. of Ni compd. (2.04 mmol) treated with ligand (4.14 mmol), mixt. stirred for 30 min; evapd., elem. anal.;99%
4-aminopyridine
504-24-5

4-aminopyridine

piperonol
495-76-1

piperonol

N-(benzo[d][1,3]dioxol-5-ylmethyl)pyridin-4-amine
1301628-37-4

N-(benzo[d][1,3]dioxol-5-ylmethyl)pyridin-4-amine

Conditions
ConditionsYield
With potassium tert-butylate; copper diacetate In 1,4-dioxane at 130℃; for 48h; Inert atmosphere;99%
With cesium hydroxide; palladium diacetate In toluene at 150℃; for 12h;99%
4-aminopyridine
504-24-5

4-aminopyridine

pyridine-2,4-dicarboxylic acid
499-80-9

pyridine-2,4-dicarboxylic acid

N-(pyridin-4-yl)isonicotinamide

N-(pyridin-4-yl)isonicotinamide

Conditions
ConditionsYield
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In N,N-dimethyl-formamide at 20℃;99%
4-aminopyridine
504-24-5

4-aminopyridine

ethyl bromide
74-96-4

ethyl bromide

4-amino-1-ethylpyridinium bromide
60041-10-3

4-amino-1-ethylpyridinium bromide

Conditions
ConditionsYield
In acetone for 16h; Inert atmosphere; Schlenk technique;99%
In acetone at 20℃; for 12h;95%
4-aminopyridine
504-24-5

4-aminopyridine

1,1,1-trifluoro-2-isocyanatoethane
371-92-6

1,1,1-trifluoro-2-isocyanatoethane

1-(pyridin-4-yl)-3-(2,2,2-trifluoroethyl)urea

1-(pyridin-4-yl)-3-(2,2,2-trifluoroethyl)urea

Conditions
ConditionsYield
at 20℃;99%
4-aminopyridine
504-24-5

4-aminopyridine

3-(chlorosulfonyl)benzenesulfonyl fluoride
2489-52-3

3-(chlorosulfonyl)benzenesulfonyl fluoride

3-(N-(pyridin-4-yl)sulfamoyl)benzene-1-sulfonyl fluoride

3-(N-(pyridin-4-yl)sulfamoyl)benzene-1-sulfonyl fluoride

Conditions
ConditionsYield
With pyridine In chloroform at 20℃; for 48h; chemoselective reaction;99%
4-aminopyridine
504-24-5

4-aminopyridine

4-(chlorosulfonyl)benzenesulfonyl fluoride

4-(chlorosulfonyl)benzenesulfonyl fluoride

C11H9FN2O4S2

C11H9FN2O4S2

Conditions
ConditionsYield
With pyridine In chloroform at 20℃; for 48h; chemoselective reaction;99%
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