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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

cas:133627-45-9

Cas:133627-45-9

Min.Order:10 Gram

Negotiable

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 3-Amino-2-Chloro-4-Methyl Pyridine supplier in China

Cas:133627-45-9

Min.Order:0 Metric Ton

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Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 2-Chloro-3-amino-4-picoline CAS No. 133627-45-9 Appearan

2-Chloro-3-amino-4-picoline

Cas:133627-45-9

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or off-white powder Storage:Cool dry place Package:1kg/foill bag;25kg/drum Application:

3-Amino-2-chloro-4-methylpyridine Cas 133627-45-9

Cas:133627-45-9

Min.Order:1 Kilogram

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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

Factory supply 2-Chloro-3-amino-4-methylpyridine

Cas:133627-45-9

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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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 3-Amino-2-Chloro-4-Methyl Pyridine

Cas:133627-45-9

Min.Order:1

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Type:Other

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Dayang Chem (Hangzhou) Co.,Ltd.

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

2-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

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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

3-Amino-2-chloro-4-picoline

Cas:133627-45-9

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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

3-Amino-2-chloro-4-methylpyridine

Cas:133627-45-9

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

TIANFU CHEM--2-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

New production CAS 133627-45-9 with best quality

Cas:133627-45-9

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Appearance & Physical State: off white crystals Density: 1.26 g/cm3 Melting Point: 61-64ºC Boiling Point: 283.3ºC at 760 mmHg Flash Point: 125.2ºC Refractive Inde

3-Amino-2-chloro-4-methyl pyridine CAS:133627-45-9

Cas:133627-45-9

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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:white crystalline powder Storage:Store in sealed containers

Factory supply 2-Chloro-3-amino-4-methyl pyridine CAS 133627-45-9

Cas:133627-45-9

Min.Order:100 Gram

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Type:Other

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Shanghai Upbio Tech Co.,Ltd

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

2-Chloro-3-amino-4-methyl pyridine 133627-45-9

Cas:133627-45-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Qingdao Beluga Import and Export Co., LTD

3-Amino-2-chloro-4-methylpyridine CAS:133627-45-9 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 quali

3-Amino-2-chloro-4-methylpyridine CAS:133627-45-9

Cas:133627-45-9

Min.Order:1 Gram

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Type:Lab/Research institutions

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Henan Wentao Chemical Product Co., Ltd.

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

2-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:0

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Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2-Chloro-3-Amino-4-Methyl Pyridine

Cas:133627-45-9

Min.Order:0

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Type:Manufacturers

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Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

2-Chloro-3-amino-4-methyl Pyridine

Cas:133627-45-9

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

2-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 3-Amino-2-chloro-4-methylpyridine Synonyms: 2-CHLORO-4-METHYL-PYRIDIN-3-YLAMINE;2-CHLORO-4-METHYLPYRIDIN-3-AMINE;2-CHLORO-3-AMINO-4-PICOLINE;2-CHLORO-3-AMINO-4-METHYLPYRIDINE;3-AMINO-2-CHLORO-4-METHYLPYRIDINE;3-AMINO-2-CHLORO-4-PIC

3-Amino-2-chloro-4-methylpyridine Manufactuered in China best quality

Cas:133627-45-9

Min.Order:100 Gram

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 have s

2-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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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-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

3-Amino-2-chloro-4-methylpyridine with lower price

Cas:133627-45-9

Min.Order:1 Gram

Negotiable

Type:Other

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Chemlyte Solutions

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

Featured products 2-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:100 Gram

Negotiable

Type:Other

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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-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 2-Chloro-3-Amino-4-Methyl Pyridine CAS No.:133627-45-9 Molecule Formula:C6H7ClN2 Molecule Weight:142.59 Purity: 99.0% Package: 25kg/drum Description:White or off-white powder Manufacture Standards:Enterprise Standard

High Quality 2-Chloro-3-Amino-4-Methyl Pyridine

Cas:133627-45-9

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Huarong Pharm Co., Ltd.

Huarong Industrial Group Limited 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.

2-Chloro-3-amino-4-methyl pyridine

Cas:133627-45-9

Min.Order:1 Gram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

3-Amino-2-chloro-4-methylpyridine

Cas:133627-45-9

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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Synthetic route

2-chloro-3-nitro-4-methylpyridine
23056-39-5

2-chloro-3-nitro-4-methylpyridine

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride In diethyl ether for 0.333333h; Ambient temperature;98%
Stage #1: 2-chloro-3-nitro-4-methylpyridine With iron; acetic acid at 70 - 80℃;
Stage #2: With sodium carbonate In water pH=8.0 - 8.5; Product distribution / selectivity;
90.79%
Stage #1: 2-chloro-3-nitro-4-methylpyridine With hydrogenchloride In methanol; water at 65℃;
Stage #2: With iron In methanol; water at 65℃; Product distribution / selectivity;
90.1%
2-chloro-4-methyl-3-pyridinecarboxamide
152362-01-1

2-chloro-4-methyl-3-pyridinecarboxamide

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
With sodium hypobromide; bromine; sodium hydroxide In water at 65 - 75℃; for 4h; Hofmann Rearrangement;98%
With bromine; sodium hydroxide In water at 0 - 20℃; for 2h;97%
With bromine; sodium hydroxide In water; toluene at 0 - 60℃;96.9%
4-methylpiperidin-3-one

4-methylpiperidin-3-one

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Stage #1: 4-methylpiperidin-3-one With hydrogenchloride; dihydrogen peroxide In chloroform; water at 30 - 40℃; for 5h; Green chemistry;
Stage #2: With ammonium hydroxide at 40 - 45℃; for 3h; Solvent; Reagent/catalyst; Green chemistry;
93.3%
3-amino-4-methylpyridine
3430-27-1

3-amino-4-methylpyridine

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
With hydrogenchloride; dihydrogen peroxide at 20℃; for 0.5h;89%
With hydrogenchloride; chlorine In water at 20℃; for 0.416667h;84%
Stage #1: 3-amino-4-methylpyridine With hydrogenchloride In water at 40℃; Cooling with ice;
Stage #2: With dihydrogen peroxide for 2h;
83.2%
3-nitro-4-methylpyridine
5832-44-0

3-nitro-4-methylpyridine

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 97 percent / H2 / 5 percent Pd/C / methanol / 5 h / 20 °C / 3750.3 Torr
2: 89 percent / conc. aq. HCl; 35 percent aq. H2O2 / 0.5 h / 20 °C
View Scheme
2-chloro-4-methylnicotinoylchloride
50839-95-7

2-chloro-4-methylnicotinoylchloride

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: NH3(g) / toluene / below 30 deg C
2: 93 percent / NaOH, Br2 / H2O / 1.) 5 deg C; 2.) 75 deg C, 90 min
View Scheme
ethyl 2-chloro-4-methyl-3-pyridinecarboxylate
50840-02-3

ethyl 2-chloro-4-methyl-3-pyridinecarboxylate

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 90 percent / NaOH / methanol; H2O / 75 °C
2: SOCl2 / toluene / 1.) 70 deg C, 1 h; 2.) reflux, 4 h
3: NH3(g) / toluene / below 30 deg C
4: 93 percent / NaOH, Br2 / H2O / 1.) 5 deg C; 2.) 75 deg C, 90 min
View Scheme
2-chloro-4-methyl-3-pyridinecarboxylic acid
142266-63-5

2-chloro-4-methyl-3-pyridinecarboxylic acid

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: SOCl2 / toluene / 1.) 70 deg C, 1 h; 2.) reflux, 4 h
2: NH3(g) / toluene / below 30 deg C
3: 93 percent / NaOH, Br2 / H2O / 1.) 5 deg C; 2.) 75 deg C, 90 min
View Scheme
ethyl 2-chloro-2-cyano-3-methyl-5-oxopentanoate
152362-00-0

ethyl 2-chloro-2-cyano-3-methyl-5-oxopentanoate

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 17 percent / PCl3, HCl(g) / dimethylformamide / 1.) 85 deg C; 2.) 90 deg C
2: 90 percent / NaOH / methanol; H2O / 75 °C
3: SOCl2 / toluene / 1.) 70 deg C, 1 h; 2.) reflux, 4 h
4: NH3(g) / toluene / below 30 deg C
5: 93 percent / NaOH, Br2 / H2O / 1.) 5 deg C; 2.) 75 deg C, 90 min
View Scheme
2-chloro-3-nitro-4-methylpyridine
23056-39-5

2-chloro-3-nitro-4-methylpyridine

tin(IV) chloride dihydrate

tin(IV) chloride dihydrate

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
With sodium hydroxide; acetic acid In hydrogenchloride; water
C9H14N2O3

C9H14N2O3

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: sulfuric acid / ethanol / 3.67 h / 20 - 50 °C
2.1: trichlorophosphate / 2 h / 35 °C / Reflux
3.1: sulfuric acid / 4 h / 50 - 105 °C
3.2: 1.5 h / 60 - 65 °C
3.3: pH 7 / Cooling with ice
4.1: sodium hypochlorite; sodium hydroxide / methanol; water / 4 h / 10 - 60 °C
View Scheme
Multi-step reaction with 3 steps
1.1: sulfuric acid / ethanol / 1.17 h / 25 - 50 °C
2.1: trichlorophosphate / 2.25 h / 35 °C / Reflux
2.2: 50 - 110 °C
3.1: sodium hydroxide; sodium hypochlorite / ethanol; water / 4.17 h / 10 - 60 °C
View Scheme
2-hydroxy-4-methylpyridine-3-carbonitrile
93271-59-1

2-hydroxy-4-methylpyridine-3-carbonitrile

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: trichlorophosphate / 2 h / 35 °C / Reflux
2.1: sulfuric acid / 4 h / 50 - 105 °C
2.2: 1.5 h / 60 - 65 °C
2.3: pH 7 / Cooling with ice
3.1: sodium hypochlorite; sodium hydroxide / methanol; water / 4 h / 10 - 60 °C
View Scheme
2-chloro-4-methyl-3-pyridinecarbonitrile
65169-38-2

2-chloro-4-methyl-3-pyridinecarbonitrile

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sulfuric acid / 4 h / 50 - 105 °C
1.2: 1.5 h / 60 - 65 °C
1.3: pH 7 / Cooling with ice
2.1: sodium hypochlorite; sodium hydroxide / methanol; water / 4 h / 10 - 60 °C
View Scheme
Multi-step reaction with 2 steps
1.1: sulfuric acid / 1.25 h / 40 - 105 °C
1.2: 70 - 75 °C
2.1: sodium hydroxide; bromine / toluene; water / 0 - 60 °C
View Scheme
Multi-step reaction with 2 steps
1: sulfuric acid / water / 8.25 h / 40 - 105 °C
2: sodium hydroxide; bromine / water / 2 h / 0 - 20 °C
View Scheme
2-amino-4-methyl-3-nitropyridine
6635-86-5

2-amino-4-methyl-3-nitropyridine

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sodium nitrite; sulfuric acid / water
2: trichlorophosphate / 110 °C
3: tin(II) chloride dihdyrate; hydrogenchloride / 55 °C
View Scheme
Multi-step reaction with 3 steps
1: sodium nitrite; sulfuric acid / 4 h / 20 °C
2: trichlorophosphate / 4 h / 110 °C
3: tin(II) chloride dihdyrate; hydrogenchloride / 1 h / 50 °C
View Scheme
2-hydroxy-4-methyl-3-nitropyridine
21901-18-8

2-hydroxy-4-methyl-3-nitropyridine

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: trichlorophosphate / 110 °C
2: tin(II) chloride dihdyrate; hydrogenchloride / 55 °C
View Scheme
Multi-step reaction with 2 steps
1: trichlorophosphate / 4 h / 110 °C
2: tin(II) chloride dihdyrate; hydrogenchloride / 1 h / 50 °C
View Scheme
2-(4-(dimethylamino)but-3-en-2-ylidene)malononitrile
71493-72-6

2-(4-(dimethylamino)but-3-en-2-ylidene)malononitrile

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: hydrogenchloride / 2 h / 50 - 55 °C
2.1: sulfuric acid / 1.25 h / 40 - 105 °C
2.2: 70 - 75 °C
3.1: sodium hydroxide; bromine / toluene; water / 0 - 60 °C
View Scheme
Multi-step reaction with 3 steps
1: hydrogenchloride / toluene / 20 - 55 °C
2: sulfuric acid / water / 8.25 h / 40 - 105 °C
3: sodium hydroxide; bromine / water / 2 h / 0 - 20 °C
View Scheme
isopropylidenemalonodinitrile
13166-10-4

isopropylidenemalonodinitrile

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: triethylamine; acetic anhydride / toluene / 2 h / 5 - 20 °C / Inert atmosphere
2.1: hydrogenchloride / 2 h / 50 - 55 °C
3.1: sulfuric acid / 1.25 h / 40 - 105 °C
3.2: 70 - 75 °C
4.1: sodium hydroxide; bromine / toluene; water / 0 - 60 °C
View Scheme
Multi-step reaction with 4 steps
1.1: acetic anhydride / toluene / 5 - 10 °C / Inert atmosphere
1.2: 2 h / 5 - 20 °C / Inert atmosphere
2.1: hydrogenchloride / toluene / 20 - 55 °C
3.1: sulfuric acid / water / 8.25 h / 40 - 105 °C
4.1: sodium hydroxide; bromine / water / 2 h / 0 - 20 °C
View Scheme
picoline
108-89-4

picoline

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: aluminum (III) chloride; potassium bromide / 1 h / 20 °C / Inert atmosphere
1.2: 27 h / 120 °C / Inert atmosphere
2.1: copper(II) sulfate; ammonia / methanol / 8 h / 160 °C / 3800.26 Torr / Autoclave
3.1: hydrogenchloride / water / 40 °C / Cooling with ice
3.2: 2 h
View Scheme
3-methyltetrahydro-2-furanone
1679-47-6

3-methyltetrahydro-2-furanone

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 5 h / 40 - 45 °C / Green chemistry
1.2: 4 h / 20 - 25 °C / Green chemistry
1.3: 4 h / 30 - 35 °C / 1500.15 - 2250.23 Torr / Autoclave; Green chemistry
2.1: hydrogenchloride; dihydrogen peroxide / chloroform; water / 5 h / 30 - 40 °C / Green chemistry
2.2: 3 h / 40 - 45 °C / Green chemistry
View Scheme
methyl 2-(cyclopropylamino)nicotinate

methyl 2-(cyclopropylamino)nicotinate

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Nevirapine
129618-40-2

Nevirapine

Conditions
ConditionsYield
With sodium hydride In diethylene glycol dimethyl ether at 65 - 165℃; Flow reactor; Green chemistry;96%
Multi-step reaction with 2 steps
1.1: sodium hydride / 3.5 h / 30 - 60 °C / Inert atmosphere
1.2: 2 h / 55 - 65 °C / Inert atmosphere
2.1: sodium hydride; diethylene glycol dimethyl ether / 2.5 h / 100 - 125 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydride / diethylene glycol dimethyl ether / 0.5 h / 20 °C
1.2: 2 h / 60 °C
2.1: sodium hydride / diethylene glycol dimethyl ether / 4 h / 105 - 117 °C / Green chemistry
View Scheme
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

2-chloro-3-amino-4-methyl-6-bromopyridine
1038920-08-9

2-chloro-3-amino-4-methyl-6-bromopyridine

Conditions
ConditionsYield
With 1,3-dibromo-5,5-dimethylimidazolidine-2,4-dione In dichloromethane at 0 - 20℃; for 1.66667h; Product distribution / selectivity;94%
methyl 2-(cyclopropylamino)nicotinate

methyl 2-(cyclopropylamino)nicotinate

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

N-(2-chloro-4-methyl-3-pyridinyl)-2-(cyclopropylamino)-3-pyridinecarboxamide
133627-47-1

N-(2-chloro-4-methyl-3-pyridinyl)-2-(cyclopropylamino)-3-pyridinecarboxamide

Conditions
ConditionsYield
Stage #1: 3-Amino-2-chloro-4-methylpyridine With sodium hydride In diethylene glycol dimethyl ether at 20℃; for 0.5h;
Stage #2: methyl 2-(cyclopropylamino)nicotinate In diethylene glycol dimethyl ether at 60℃; for 2h; Reagent/catalyst;
94%
2-Chloronicotinoyl chloride
49609-84-9

2-Chloronicotinoyl chloride

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

2-chloro-N-(2-chloro-4-methyl-3-pyridinyl)-3-pyridinecarboxamide
133627-46-0

2-chloro-N-(2-chloro-4-methyl-3-pyridinyl)-3-pyridinecarboxamide

Conditions
ConditionsYield
In dichloromethane 1.) -78 deg C, 1 h, 2.) RT, 23 h;87%
With pyridine In 1,4-dioxane; cyclohexane for 48h; Ambient temperature;65.5%
With potassium carbonate In ethyl acetate at 75 - 80℃; for 14h; Product distribution / selectivity;
ethyl 2-cyano-3,3-di(methylsulfanyl)acrylate
17823-58-4

ethyl 2-cyano-3,3-di(methylsulfanyl)acrylate

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

(E)-ethyl 3-(2-chloro-4-methylpyridin-3-yl-amino)-2-cyano-3-methylthioacrylate
868637-95-0

(E)-ethyl 3-(2-chloro-4-methylpyridin-3-yl-amino)-2-cyano-3-methylthioacrylate

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran; N,N-dimethyl-formamide at 50℃; for 0.5h; microwave irradiation;85.2%
With sodium hydride In N,N-dimethyl-formamide; toluene at 40 - 45℃; for 1h;73.5%
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

Cyclopropylamine
765-30-0

Cyclopropylamine

N-(2-chloro-4-methyl-3-pyridinyl)-2-(cyclopropylamino)-3-pyridinecarboxamide
133627-47-1

N-(2-chloro-4-methyl-3-pyridinyl)-2-(cyclopropylamino)-3-pyridinecarboxamide

Conditions
ConditionsYield
In toluene at 125 - 130℃; under 775.743 Torr; for 21h;79.64%
methanol
67-56-1

methanol

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

2-methoxy-3-amino-4-methylpyridine
76005-99-7

2-methoxy-3-amino-4-methylpyridine

Conditions
ConditionsYield
With copper(l) iodide; sodium at 110℃; for 14h; Autoclave;78.7%
With copper(l) iodide; sodium at 110℃; for 14h; Autoclave;78.7%
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

4,5-dichloro-1,2,3-dithiazolium chloride
75318-43-3

4,5-dichloro-1,2,3-dithiazolium chloride

(Z)-2-chloro-N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-4-methylpyridin-3-amine
1417816-45-5

(Z)-2-chloro-N-(4-chloro-5H-1,2,3-dithiazol-5-ylidene)-4-methylpyridin-3-amine

Conditions
ConditionsYield
Stage #1: 3-Amino-2-chloro-4-methylpyridine; 4,5-dichloro-1,2,3-dithiazolium chloride In dichloromethane at 20℃; for 1h;
Stage #2: With 2,6-dimethylpyridine In dichloromethane at 20℃; for 2h;
60%
Stage #1: 3-Amino-2-chloro-4-methylpyridine; 4,5-dichloro-1,2,3-dithiazolium chloride In dichloromethane for 1h;
Stage #2: With pyridine for 2h;
42%
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

2-chloro-3-iodo-4-methyl-pyridine
926922-28-3

2-chloro-3-iodo-4-methyl-pyridine

Conditions
ConditionsYield
Stage #1: 3-Amino-2-chloro-4-methylpyridine With hydrogenchloride; sodium nitrite In water at 0℃;
Stage #2: With potassium iodide In water at 0 - 20℃;
58%
Stage #1: 3-Amino-2-chloro-4-methylpyridine With hydrogenchloride; sodium nitrite In water at 0℃;
Stage #2: With potassium iodide In water at 0 - 20℃;
47%
Stage #1: 3-Amino-2-chloro-4-methylpyridine With hydrogenchloride; sodium nitrite In water at 0℃; for 1h;
Stage #2: With potassium iodide In water at 0 - 20℃; for 12h;
2-Picolinic acid
98-98-6

2-Picolinic acid

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

N-(2-chloro-4-methylpyridin-3-yl)picolinamide

N-(2-chloro-4-methylpyridin-3-yl)picolinamide

Conditions
ConditionsYield
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 70℃; for 15h;55%
2-(3-bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxamido)acetic acid
1423020-38-5

2-(3-bromo-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxamido)acetic acid

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

3-bromo-N-(2-((2-chloro-4-methylpyridin-3-yl)amino)-2-oxoethyl)-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxamide
1423020-32-9

3-bromo-N-(2-((2-chloro-4-methylpyridin-3-yl)amino)-2-oxoethyl)-1-(3-chloropyridin-2-yl)-1H-pyrazole-5-carboxamide

Conditions
ConditionsYield
With triethylamine; trichlorophosphate In acetonitrile for 2h; Reflux;52.6%
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

bis(3-amino-4-methyl-2-pyridyl) diselenide

bis(3-amino-4-methyl-2-pyridyl) diselenide

Conditions
ConditionsYield
With selenium; sodium tetrahydroborate; toluene-4-sulfonic acid at 50℃; for 20h; Inert atmosphere;51%
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

7-chloro-1H-pyrazolo<3,4-c>pyridine
76006-11-6

7-chloro-1H-pyrazolo<3,4-c>pyridine

Conditions
ConditionsYield
With potassium acetate; sodium nitrite In water; ethyl acetate46%
Multi-step reaction with 2 steps
1: 2.1 g / toluene / 2 h / 100 °C
2: 1.) phosphorus pentaoxide, potassium acetate, nitrosyl chloride, 2.) sodium carbonate / 1.) acetic acid, 2.) benzene, reflux
View Scheme
Multi-step reaction with 4 steps
1: 2.1 g / toluene / 2 h / 100 °C
2: 1.) phosphorus pentaoxide, potassium acetate, nitrosyl chloride, 2.) sodium carbonate / 1.) acetic acid, 2.) benzene, reflux
3: 67 percent / phosphorus pentasulphide / pyridine / 4.5 h / Heating
4: 71 percent / chlorine, conc. hydrochloric acid / 0.33 h
View Scheme
6-chloropicolinic acid
4684-94-0

6-chloropicolinic acid

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

6-chloro-N-(2-chloro-4-methylpyridin-3-yl)picolinamide

6-chloro-N-(2-chloro-4-methylpyridin-3-yl)picolinamide

Conditions
ConditionsYield
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide at 70℃; for 15h;46%
isopropyl (S)-5-fluoro-6-(3-(fluoromethyl)-4-(3-hydroxypropyl)-5-oxo-4,5-dihydro-1H-1.2,4-triazol-1-yl)-2-((1,1,1-trifluoropropan-2-yl)oxy)nicotinate

isopropyl (S)-5-fluoro-6-(3-(fluoromethyl)-4-(3-hydroxypropyl)-5-oxo-4,5-dihydro-1H-1.2,4-triazol-1-yl)-2-((1,1,1-trifluoropropan-2-yl)oxy)nicotinate

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

N-(2-chloro-4-methyl-3-pyridyl)-5-fluoro-6-[3-(fluoromethyl)-4-(3-hydroxypropyl)-5-oxo-1,2,4-triazol-1-yl]-2-[(1S)-2,2,2-trifluoro-1-methylethoxy]pyridine-3-carboxamide

N-(2-chloro-4-methyl-3-pyridyl)-5-fluoro-6-[3-(fluoromethyl)-4-(3-hydroxypropyl)-5-oxo-1,2,4-triazol-1-yl]-2-[(1S)-2,2,2-trifluoro-1-methylethoxy]pyridine-3-carboxamide

Conditions
ConditionsYield
With trimethylaluminum In dichloromethane at 50℃; for 12h;40%
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

(1-methyl-1H-pyrazol-5-yl)boronic acid
720702-41-0

(1-methyl-1H-pyrazol-5-yl)boronic acid

4-methyl-2-(1-methyl-1H-pyrazol-5-yl)pyridin-3-amine

4-methyl-2-(1-methyl-1H-pyrazol-5-yl)pyridin-3-amine

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium phosphate In 1,4-dioxane; water at 100℃; for 3h;30%
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

aniline
62-53-3

aniline

4-methyl-N2-phenylpyridine-2,3-diamine
1216164-90-7

4-methyl-N2-phenylpyridine-2,3-diamine

Conditions
ConditionsYield
at 180℃; for 1.25h; Microwave irradiation;28%
2-(2,5-dichloro-phenoxy)-nicotinic acid
108464-34-2

2-(2,5-dichloro-phenoxy)-nicotinic acid

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

methyl iodide
74-88-4

methyl iodide

N-(2-chloro-4-methylpyridin-3-yl)-2-(2,5-dichlorophenoxy)-N-methylnicotinamide
1224638-77-0

N-(2-chloro-4-methylpyridin-3-yl)-2-(2,5-dichlorophenoxy)-N-methylnicotinamide

Conditions
ConditionsYield
Stage #1: 2-(2,5-dichloro-phenoxy)-nicotinic acid; 3-Amino-2-chloro-4-methylpyridine With N-ethyl-N,N-diisopropylamine; HATU In N,N-dimethyl-formamide at 20℃; for 18h;
Stage #2: methyl iodide With sodium hydride In N,N-dimethyl-formamide; mineral oil at 40℃; for 2h;
3%
acetic anhydride
108-24-7

acetic anhydride

3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

3-acetamido-2-chloro-4-methylpyridine
76006-00-3

3-acetamido-2-chloro-4-methylpyridine

Conditions
ConditionsYield
In toluene at 100℃; for 2h;2.1 g
In dichloromethane at 20℃;
In dichloromethane at 20℃; for 24h;
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

(Z)-ethyl 3-(2-chloro-4-methylpyridin-3-ylamino)-2-cyano-3-isopropylaminoacrylate

(Z)-ethyl 3-(2-chloro-4-methylpyridin-3-ylamino)-2-cyano-3-isopropylaminoacrylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73.5 percent / sodium hydride / dimethylformamide; toluene / 1 h / 40 - 45 °C
2: 63.8 percent / ethanol / 4 h / 78 - 80 °C
View Scheme
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

(Z)-ethyl 3-(2-chloro-4-methylpyridin-3-ylamino)-3-propylamino-2-cyanoacrylate

(Z)-ethyl 3-(2-chloro-4-methylpyridin-3-ylamino)-3-propylamino-2-cyanoacrylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73.5 percent / sodium hydride / dimethylformamide; toluene / 1 h / 40 - 45 °C
2: 54.7 percent / ethanol / 4 h / 78 - 80 °C
View Scheme
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

(Z)-ethyl 3-butylamino-3-(2-chloro-4-methylpyridin-3-ylamino)-2-cyanoacrylate

(Z)-ethyl 3-butylamino-3-(2-chloro-4-methylpyridin-3-ylamino)-2-cyanoacrylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73.5 percent / sodium hydride / dimethylformamide; toluene / 1 h / 40 - 45 °C
2: 74.5 percent / ethanol / 4 h / 78 - 80 °C
View Scheme
3-Amino-2-chloro-4-methylpyridine
133627-45-9

3-Amino-2-chloro-4-methylpyridine

(Z)-ethyl 3-benzylamino-3-(2-chloro-4-methylpyridin-3-ylamino)-2-cyanoacrylate

(Z)-ethyl 3-benzylamino-3-(2-chloro-4-methylpyridin-3-ylamino)-2-cyanoacrylate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 73.5 percent / sodium hydride / dimethylformamide; toluene / 1 h / 40 - 45 °C
2: 55.7 percent / ethanol / 4 h / 78 - 80 °C
View Scheme

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