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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

2-Amino-3-picoline

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2-Amino-3-Picoline supplier in China

Cas:1603-40-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

Analysis tests Standard Results Appearance Yellowish Crystallization Hangzhou Dingyan Chem is a leading manufacturer and supplie

High quality 2-Amino-3-picoline with best price cas:1603-40-3

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $250.0 / 350.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Colorless to light yellow crystalline Storage:Cool dry place Package:1kg/foill bag;25kg/drum

2-Amino-3-picoline Cas 1603-40-3

Cas:1603-40-3

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car

2-amino-3-picoline

Cas:1603-40-3

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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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-Amino-3-picoline

Cas:1603-40-3

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

2-Amino-3-Picoline

Cas:1603-40-3

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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-3-methylpyridine

Cas:1603-40-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1894.html Product Name 2-Amino-3-picoline CAS No. 1603-40-3

2-Amino-3-picoline

Cas:1603-40-3

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

2-Amino-3-picoline-

Cas:1603-40-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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-Amino-3-picoline CAS 1603-40-3

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Top Purity CAS 1603-40-3 with fast shipping

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: 2-Amino-3-picoline Molecular Formula:C6H8N2 Molecular Weight:108.14 CAS No.:1603-40-3 Appearance:Similar White To Slight Yellow Crystal Appearance:Similar White To Slight Yellow Crystal?? Storage:Store in cool and dry place, away from sun

2-Amino-3-picoline CAS:1603-40-3

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

High Quality Low Price 2-Amino-3-Picoline CAS 1603-40-3

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2-Amino-3-methylpyridine 1603-40-3

Cas:1603-40-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: 2-Amino-3-picoline e;2-Pyridinamine,3-methyl-;3-Methyl-2-aminopyridine;3-methyl-2-pyridinamin;3-Methyl-2-pyridinamine CAS: 1603-40-3 MF: C6H8N2 MW: 108.14 EINECS: 216-501-4 Mol File: 1603-40-3.mol 2-Amino-3-picoline S

2-Amino-3-picoline

Cas:1603-40-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Baoji Guokang Healthchem co.,ltd

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

Pharmaceutical Intermediate, 2-Amino-3-picoline CAS:1603-40-3

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $75.0 / 78.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

2-Amino-3-picoline CAS:1603-40-3 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 interme

2-Amino-3-picoline CAS:1603-40-3

Cas:1603-40-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2-Amino-3-methylpyridine

Cas:1603-40-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

2-Amino-3-picoline

Cas:1603-40-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe,

2-Amino-3-Picoline CAS 1603-40-3 2-Amino-3-Methylpyridine

Cas:1603-40-3

Min.Order:1 Kilogram

FOB Price: $70.0 / 100.0

Type:Trading Company

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

2-Amino-3-methylpyridine

Cas:1603-40-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan BJM Pharm Inc.

Product description item standard result appearance yellowish flake crystal conform melting point 54.0~58.0℃ 54.2~58.0℃

2-Amino-3-picoline

Cas:1603-40-3

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Hangzhou Keyingchem Co.,Ltd

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

2-Amino-3-picoline

Cas:1603-40-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

2-AMINO-3-PICOLINE

Cas:1603-40-3

Min.Order:1 Gram

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-3-picoline

Cas:1603-40-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

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

2-Amino-3-methylpyridine

Cas:1603-40-3

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 2-Amino-3-picoline

Cas:1603-40-3

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd

2-Amino-3-picoline

Cas:1603-40-3

Min.Order:0

Negotiable

Type:Trading Company

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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-3-picoline

Cas:1603-40-3

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Synthetic route

2-bromo-3-picoline
3430-17-9

2-bromo-3-picoline

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
With copper(I) oxide; potassium carbonate; ammonium hydroxide; N,N-dimethylethylenediamine In ethylene glycol at 60℃; for 16h; Inert atmosphere;98%
N-Cyclohexyl-8-methyl-2-phenylimidazo[1,2-a]pyridin-3-amine

N-Cyclohexyl-8-methyl-2-phenylimidazo[1,2-a]pyridin-3-amine

A

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

B

N-cicloesil-α-ossofenilacetamide
724-92-5

N-cicloesil-α-ossofenilacetamide

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; toluene-4-sulfonic acid In 1,2-dichloro-ethane at 20℃; for 1h; Schlenk technique; chemoselective reaction;A n/a
B 96%
3-methyl-2-pyridinecarboxamide
937648-82-3

3-methyl-2-pyridinecarboxamide

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
With sodium hypobromide; water; sodium hydroxide at 0 - 60℃; for 0.5h; Hofmann Rearrangement;87.8%
N-cyclohexyl-2-isopropyl-8-methylimidazo[1,2-a]pyridin-3-amine
553626-46-3

N-cyclohexyl-2-isopropyl-8-methylimidazo[1,2-a]pyridin-3-amine

A

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

B

N-cyclohexyl-3-methyl-2-oxobutanamide
32998-89-3

N-cyclohexyl-3-methyl-2-oxobutanamide

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; toluene-4-sulfonic acid In 1,2-dichloro-ethane at 20℃; for 1h; Schlenk technique; chemoselective reaction;A n/a
B 74%
N-cyclohexyl-2-ethyl-8-methylimidazo[1,2-a]pyridin-3-amine

N-cyclohexyl-2-ethyl-8-methylimidazo[1,2-a]pyridin-3-amine

A

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

B

N-cyclohexyl-2-oxobutanamide
5070-30-4

N-cyclohexyl-2-oxobutanamide

Conditions
ConditionsYield
With [bis(acetoxy)iodo]benzene; toluene-4-sulfonic acid In 1,2-dichloro-ethane at 20℃; for 1h; Schlenk technique; chemoselective reaction;A n/a
B 72%
2-fluoro-3-methylpyridine
2369-18-8

2-fluoro-3-methylpyridine

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
With acetamidine hydrochloride; sodium hydroxide In water; dimethyl sulfoxide at 130℃; for 24h; Schlenk technique; chemoselective reaction;43%
3-Methylpyridine
108-99-6

3-Methylpyridine

A

(5-methyl-pyridin-2-yl)amine
1603-41-4

(5-methyl-pyridin-2-yl)amine

B

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
With sodium amide; xylene
With ammonia; sodium; ethanolamine In toluene at 60 - 170℃; under 22502.3 - 41254.1 Torr; Pressure; Temperature; Autoclave; Inert atmosphere; Large scale;A 1928 g
B 144 g
3-Methylpyridine
108-99-6

3-Methylpyridine

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
With sodium amide; xylene at 135 - 140℃;
With sodium amide In o-xylene Chichibabin reaction;
tetrachloromethane
56-23-5

tetrachloromethane

3-Methylpyridine
108-99-6

3-Methylpyridine

sodium amide

sodium amide

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

2,2-dimethyl-3-(3-methyl-pyridin-2-yl)-2,3-dihydro-benzo[e][1,3]oxazin-4-one

2,2-dimethyl-3-(3-methyl-pyridin-2-yl)-2,3-dihydro-benzo[e][1,3]oxazin-4-one

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
With hydrogenchloride Hydrolysis;
3-picoline-N-oxide
1003-73-2

3-picoline-N-oxide

A

(5-methyl-pyridin-2-yl)amine
1603-41-4

(5-methyl-pyridin-2-yl)amine

B

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
Stage #1: 3-picoline-N-oxide With p-toluenesulfonylanhydride; tert-butylamine In various solvent(s) for 0.25h;
Stage #2: With trifluoroacetic acid In various solvent(s) at 70℃; Further stages. Title compound not separated from byproducts.;
3-picoline-N-oxide
1003-73-2

3-picoline-N-oxide

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: CH2Cl2 / Heating
2: conc. HCl
View Scheme
2 chloro-3-methylpyridine
18368-76-8

2 chloro-3-methylpyridine

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Conditions
ConditionsYield
With bis(η3-allyl-μ-chloropalladium(II)); 2-[di-(3S,5S,7S)-adamantan-1-ylphosphino]-N,N-dimethylaniline; ammonia; sodium t-butanolate In 1,4-dioxane at 110 - 120℃; Buchwald-Hartwig amination; Inert atmosphere;
2 chloro-3-methylpyridine
18368-76-8

2 chloro-3-methylpyridine

A

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

B

3,3’-dimethyl-2,2’-dipyridylamine
6654-69-9

3,3’-dimethyl-2,2’-dipyridylamine

Conditions
ConditionsYield
With diphenyl(2',4',6'-triisopropyl-4-methoxy-3,5,6-trimethyl-[1,1'-biphenyl]-2-yl)phosphine; diphenyl(2',4',6'-triisopropyl-5-methoxy-3,4,6-trimethyl-[1,1'-biphenyl]-2-yl)phosphine; C50H58NO4PPdS; C50H58NO4PPdS; ammonia; sodium t-butanolate In 1,4-dioxane at 50℃; for 24h; Inert atmosphere;
N,N,N-tri-nbutyl-N-(5-chloro-4-hydroxy-3-((3-methylpyridin-2-ylimino)methyl)benzyl)-ammonium chloride

N,N,N-tri-nbutyl-N-(5-chloro-4-hydroxy-3-((3-methylpyridin-2-ylimino)methyl)benzyl)-ammonium chloride

A

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

B

3-(3-formyl-5-chloro-4-hydroxybenzyl)-tri-nbutylammonium chloride

3-(3-formyl-5-chloro-4-hydroxybenzyl)-tri-nbutylammonium chloride

Conditions
ConditionsYield
With hydrogenchloride In water for 4h;
N,N,N-tri-nbutyl-N-(5-chloro-4-hydroxy-3-((3-methylpyridin-2-ylimino)methyl)benzyl)-ammonium hexafluorophosphate

N,N,N-tri-nbutyl-N-(5-chloro-4-hydroxy-3-((3-methylpyridin-2-ylimino)methyl)benzyl)-ammonium hexafluorophosphate

A

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

B

3-(3-formyl-5-chloro-4-hydroxybenzyl)-tri-nbutylammonium hexafluorophosphate

3-(3-formyl-5-chloro-4-hydroxybenzyl)-tri-nbutylammonium hexafluorophosphate

Conditions
ConditionsYield
With hydrogenchloride In water for 4h;
5,5-dimethyl-2-phenyl-1,3,2-dioxaborinane
5123-13-7

5,5-dimethyl-2-phenyl-1,3,2-dioxaborinane

C10H14N2O

C10H14N2O

A

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

B

3-methyl-N-(1-phenylbutyl)pyridin-2-amine

3-methyl-N-(1-phenylbutyl)pyridin-2-amine

C

2-n-butylamino-3-methylpyridine

2-n-butylamino-3-methylpyridine

Conditions
ConditionsYield
With dodecacarbonyl-triangulo-triruthenium; isopropyl alcohol at 140℃; for 24h; Inert atmosphere; Sealed tube;A 22 %Spectr.
B 58 %Spectr.
C 14 %Spectr.
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

5-bromo-3-methyl-pyridin-2-ylamine
3430-21-5

5-bromo-3-methyl-pyridin-2-ylamine

Conditions
ConditionsYield
Stage #1: 3-methylpyridin-2-ylamine With bromine In dichloromethane at 0 - 20℃; for 4.66667h;
Stage #2: With sodium hydroxide In dichloromethane; water pH=9;
100%
With 1-butyl-3-methylpyridinium tribromide at 20℃;97%
With bromine; iodine; acetic acid at 0 - 10℃; Reagent/catalyst; Temperature;95.2%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

3-methylpiperidin-2-imine hydrochloride

3-methylpiperidin-2-imine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride; hydrogen; platinum(IV) oxide In ethanol; water under 2068.65 Torr; for 6.5h;100%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Isophthalaldehyde
626-19-7

Isophthalaldehyde

C20H18N4
1445377-27-4

C20H18N4

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene at 110℃; for 17h; Dean-Stark;100%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

1-methoxy-4-(2-nitro-vinyl)-benzene
3179-10-0

1-methoxy-4-(2-nitro-vinyl)-benzene

2-(4-methoxyphenyl)-8-methyl-3-nitroimidazo[1,2-a]pyridine

2-(4-methoxyphenyl)-8-methyl-3-nitroimidazo[1,2-a]pyridine

Conditions
ConditionsYield
With pyridine; tert.-butylhydroperoxide; iodine In acetonitrile at 100℃; for 12h; Green chemistry;100%
With sodium iodide dichloride In water; N,N-dimethyl-formamide at 80℃; for 1.5h;76%
With sodium iodine dichloride In water; N,N-dimethyl-formamide at 80℃; for 1.5h;76%
With copper(II) nitrate In acetonitrile at 85℃; for 1h; Inert atmosphere; regioselective reaction;1 g
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

4-hydroxy-6-methyl-2-pyron
675-10-5

4-hydroxy-6-methyl-2-pyron

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2-amino-3-methylpyridinium 3-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-6-methyl-2,4-dioxo-3,4-dihydro-2H-pyran-3-ide
1367748-01-3

2-amino-3-methylpyridinium 3-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-6-methyl-2,4-dioxo-3,4-dihydro-2H-pyran-3-ide

Conditions
ConditionsYield
In chloroform for 3h; Reflux;99%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

4-hydroxy[1]benzopyran-2-one
1076-38-6

4-hydroxy[1]benzopyran-2-one

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2-amino-3-methylpyridinium 3-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-2,4-dioxochroman-3-ide
1367747-98-5

2-amino-3-methylpyridinium 3-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-2,4-dioxochroman-3-ide

Conditions
ConditionsYield
In chloroform for 3h; Reflux;99%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

2-Hydroxy-1,4-naphthoquinone
83-72-7

2-Hydroxy-1,4-naphthoquinone

2-amino-3-methylpyridinium 2-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-1,3,4-trioxo-1,2,3,4-tetrahydronaphthalen-2-ide
1367748-05-7

2-amino-3-methylpyridinium 2-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-1,3,4-trioxo-1,2,3,4-tetrahydronaphthalen-2-ide

Conditions
ConditionsYield
In chloroform for 1h; Reflux;99%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

1,1-bis(diethylphosphono)ethylene
37465-31-9

1,1-bis(diethylphosphono)ethylene

C16H30N2O6P2

C16H30N2O6P2

Conditions
ConditionsYield
In chloroform at 20℃; for 1h;99%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Bromoacetaldehyde diethyl acetal
2032-35-1

Bromoacetaldehyde diethyl acetal

8-methylimidazo[1,2-a]pyridine
874-10-2

8-methylimidazo[1,2-a]pyridine

Conditions
ConditionsYield
With hydrogen bromide In ethanol; water at 90℃; for 26h;98%
With sodium carbonate In 1,4-dioxane; water for 22h; Cyclization; Tschitschibabin reaction; Heating;20%
pyridine-2-carbaldehyde
1121-60-4

pyridine-2-carbaldehyde

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

N,N'-bis-(3-methyl-pyridin-2-yl)-C-pyridin-2-yl-methanediamine

N,N'-bis-(3-methyl-pyridin-2-yl)-C-pyridin-2-yl-methanediamine

Conditions
ConditionsYield
With 4 A molecular sieve In benzene at 80℃; for 5h;98%
6-methyl-2-pyridinecarboxaldehyde
1122-72-1

6-methyl-2-pyridinecarboxaldehyde

3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

(3-Methyl-pyridin-2-yl)-[1-(6-methyl-pyridin-2-yl)-meth-(E)-ylidene]-amine

(3-Methyl-pyridin-2-yl)-[1-(6-methyl-pyridin-2-yl)-meth-(E)-ylidene]-amine

Conditions
ConditionsYield
With 4 A molecular sieve In benzene at 80℃; for 5h;98%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

pyrimidine-2,4,5,6(1H,3H)-tetraone
61066-33-9, 61066-34-0, 61066-35-1, 61127-23-9

pyrimidine-2,4,5,6(1H,3H)-tetraone

1,3-dimethylbarbituric acid
769-42-6

1,3-dimethylbarbituric acid

2-amino-3-methylpyridinium 5-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-1,3-dimethyl-2,4,6-trioxohexahydropyrimidin-5-ide
1367748-03-5

2-amino-3-methylpyridinium 5-(5-hydroxy-2,4,6-trioxohexahydropyrimidin-5-yl)-1,3-dimethyl-2,4,6-trioxohexahydropyrimidin-5-ide

Conditions
ConditionsYield
In chloroform for 4h; Reflux;98%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

2,9-dimethyl-4H-pyrido[1,2-a]pyrimidin-4-one
30247-65-5

2,9-dimethyl-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
With bismuth(III) chloride at 100℃; for 3h; Green chemistry;98%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

Cyclopropylacetylene
6746-94-7

Cyclopropylacetylene

phenylglyoxal hydrate
1074-12-0

phenylglyoxal hydrate

3-((1-cyclopropylvinyl)oxy)-8-methyl-2-phenylimidazo[1,2-a]pyridine

3-((1-cyclopropylvinyl)oxy)-8-methyl-2-phenylimidazo[1,2-a]pyridine

Conditions
ConditionsYield
Stage #1: 3-methylpyridin-2-ylamine; phenylglyoxal hydrate In 1,2-dichloro-benzene at 20℃; Sealed tube;
Stage #2: Cyclopropylacetylene With copper(l) iodide In 1,2-dichloro-benzene at 120℃; for 5h; Sealed tube; regioselective reaction;
98%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

ethyl (ethoxymethylene)cyanoacetate
94-05-3

ethyl (ethoxymethylene)cyanoacetate

ethyl 2-cyano-3-(3-methyl-2-pyridylamino)acrylate

ethyl 2-cyano-3-(3-methyl-2-pyridylamino)acrylate

Conditions
ConditionsYield
In toluene at 100℃; for 0.25h;97.8%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

ibuprofen
15687-27-1

ibuprofen

2-(4-isobutylphenyl)-N-(3-methylpyridin-2-yl)propanamide

2-(4-isobutylphenyl)-N-(3-methylpyridin-2-yl)propanamide

Conditions
ConditionsYield
Stage #1: ibuprofen With 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 0.5h;
Stage #2: 3-methylpyridin-2-ylamine In dichloromethane for 72h; Heating;
97%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

acetophenone
98-86-2

acetophenone

3-iodo-8-methyl-2-phenylimidazo[1,2-a]pyridine
660432-29-1

3-iodo-8-methyl-2-phenylimidazo[1,2-a]pyridine

Conditions
ConditionsYield
With iodine; oxygen In 1,2-dichloro-benzene at 100℃; for 20h;97%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

n-octyne
629-05-0

n-octyne

phenylglyoxal hydrate
1074-12-0

phenylglyoxal hydrate

8-methyl-3-(oct-1-en-2-yloxy)-2-phenylimidazo[1,2-a]pyridine

8-methyl-3-(oct-1-en-2-yloxy)-2-phenylimidazo[1,2-a]pyridine

Conditions
ConditionsYield
Stage #1: 3-methylpyridin-2-ylamine; phenylglyoxal hydrate In 1,2-dichloro-benzene at 20℃; Sealed tube;
Stage #2: n-octyne With copper(l) iodide In 1,2-dichloro-benzene at 120℃; for 5h; Sealed tube; regioselective reaction;
97%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

diethyl malonate
105-53-3

diethyl malonate

2-hydroxy-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
17326-09-9

2-hydroxy-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one

Conditions
ConditionsYield
at 150℃; for 24h;96.5%
at 200℃; for 2h;76%
at 170℃; for 12h; Neat (no solvent);
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

ethyl bromoacetate
105-36-2

ethyl bromoacetate

2-amino-3-methyl-1-(2-ethoxy-2-oxoethyl)-pyridin-1-ium bromide

2-amino-3-methyl-1-(2-ethoxy-2-oxoethyl)-pyridin-1-ium bromide

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 8h; Inert atmosphere;96%
In tetrahydrofuran at 0 - 20℃; for 8h; Inert atmosphere;96%
In diethyl ether for 48h; Ambient temperature;82%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

phthalonitrile
91-15-6

phthalonitrile

Co(3-MeBPI)2
79062-08-1

Co(3-MeBPI)2

Conditions
ConditionsYield
With sodium hydroxide In methanol; toluene 1,2-dicyanobenzene and 2-amino-3-methylpyridine heated in oil bath to 210°C for 3 h, mixt. cooled to ambient temp., toluene added, temp.increased to 90°C, NaOH in methanol added, Co(OAc)2 in methanol added and mixt. heated for 1 h; mixt. cooled to 40°C, product filtered, washed with methanol, diethyl ether and dried;96%
With sodium hydroxide In methanol; toluene 1,2-dicyanobenzene and 2-amino-3-methylpyridine heated in oil bath to 210°C for 4 h, mixt. cooled to 210°C., toluene added, NaOH in methanol added and stirred for 5 min, Co(OAc)2 in methanol added and mixt. stirredd for 45 min; mixt. cooled to 40°C, product filtered, washed with methanol, diethyl ether and dried in vacuo at 80°C;
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

phenylacetaldehyde
122-78-1

phenylacetaldehyde

8-methyl-3-phenyl-H-imidazo[1,2-a]pyridine

8-methyl-3-phenyl-H-imidazo[1,2-a]pyridine

Conditions
ConditionsYield
With sulfur In cyclohexane; dimethyl sulfoxide at 120℃; for 1h; Sealed tube;96%
Multi-step reaction with 2 steps
1: N-iodo-succinimide / dichloromethane / 1 h / 20 °C
2: sodium hydrogencarbonate / dichloromethane / 1.5 h
View Scheme
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

para-bromophenacyl bromide
99-73-0

para-bromophenacyl bromide

3-(4-bromophenyl)-8-methyl-H-imidazo[1,2-a]pyridine

3-(4-bromophenyl)-8-methyl-H-imidazo[1,2-a]pyridine

Conditions
ConditionsYield
With fluconazole immobilized chloropropyl-modified Fe3O4-SiO2 core-shell nanoparticle In water at 60℃; for 2h;96%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

aconic acid
585-68-2

aconic acid

2-[9-methyl-2-oxo-2H-pyrido[1,2-a]pyrimidin-3(4H)-ylidene]acetic acid

2-[9-methyl-2-oxo-2H-pyrido[1,2-a]pyrimidin-3(4H)-ylidene]acetic acid

Conditions
ConditionsYield
In ethanol at 20℃;96%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

phenylglyoxal hydrate
1074-12-0

phenylglyoxal hydrate

hex-1-yne
693-02-7

hex-1-yne

3-(hex-1-en-2-yloxy)-8-methyl-2-phenylimidazo[1,2-a]pyridine

3-(hex-1-en-2-yloxy)-8-methyl-2-phenylimidazo[1,2-a]pyridine

Conditions
ConditionsYield
Stage #1: 3-methylpyridin-2-ylamine; phenylglyoxal hydrate In 1,2-dichloro-benzene at 20℃; Sealed tube;
Stage #2: hex-1-yne With copper(l) iodide In 1,2-dichloro-benzene at 120℃; for 5h; Sealed tube; regioselective reaction;
96%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

2-Bromo-4'-phenylacetophenone
135-73-9

2-Bromo-4'-phenylacetophenone

2-([1,1'-biphenyl]-4-yl)-8-methylimidazo[1,2-a]pyridine

2-([1,1'-biphenyl]-4-yl)-8-methylimidazo[1,2-a]pyridine

Conditions
ConditionsYield
In water; isopropyl alcohol at 75℃; Microwave irradiation; Green chemistry;95%
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

acetylene
74-86-2

acetylene

1-Vinyl-3-methyl-2-pyridone
124695-16-5

1-Vinyl-3-methyl-2-pyridone

Conditions
ConditionsYield
cadmium(II) acetate In 1,4-dioxane; water at 160 - 165℃; for 3h; autoclave;95%

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