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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

2,5-Dibromo-4-picoline Manufacturer/High quality/Best price/In stock

Cas:3430-26-0

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 2,5-Dibromo-4-Methylpyridine supplier in China

Cas:3430-26-0

Min.Order:1 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 2,5-Dibromo-4-methylpyridine CAS No. 3430-26-0 Appearanc

2,5-Dibromo-4-picoline

Cas:3430-26-0

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

High quality 2,5-Dibromo-4-methylpyridine CAS 3430-26-0 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food

High quality 2,5-Dibromo-4-methylpyridine CAS 3430-26-0 with factory price

Cas:3430-26-0

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

The company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:Light yellow to orange Low Melting Solid Storag

2,5-Dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:1 Kilogram

Negotiable

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 2,5-Dibromo-4-Methylpyridine

Cas:3430-26-0

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 3430-26-0 2,5-Dibromo-4-picoline Manufacturer

Cas:3430-26-0

Min.Order:1 Gram

FOB Price: $0.1

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

2,5-Dibromo-τ-picoline

Cas:3430-26-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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

2,5-dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Trading Company

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Henan Tianfu Chemical Co., Ltd.

2,5-Dibromo-4-methylpyridine Basic information Product Name: 2,5-Dibromo-4-methylpyridine Synonyms: TIMTEC-BB SBB003142;2,5-DIBROMO-4-METHYLPYRIDINE;2,5-DIBROMO-4-PICOLINE;2,3-dibromo-4-

best offer 2,5-Dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

2,5-Dibromo-4-methylpyridine CAS 3430-26-0

Cas:3430-26-0

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

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 3430-26-0 with fast shipping

Cas:3430-26-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: 2,5-Dibromo-4-picoline Molecular Formula:C6H5Br2N Molecular Weight:250.92 CAS No.:3430-26-0 Appearance:Similar White To Brown Solid Appearance:Similar White To Brown Solid Storage:Store in cool and dry place, away from sun light. Package:25

2,5-Dibromo-4-picoline

Cas:3430-26-0

Min.Order:1 Kilogram

FOB Price: $1.0

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

2,5-Dibromo-4-picoline 3430-26-0

Cas:3430-26-0

Min.Order:1 Kilogram

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Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

2,5-Dibromo-4-methylpyridine CAS:3430-26-0 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 organ

2,5-Dibromo-4-methylpyridine CAS:3430-26-0

Cas:3430-26-0

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

2,5-Dibromo-4-picoline

Cas:3430-26-0

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£ 5-Dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:10 Kilogram

Negotiable

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

CAS NO.:3430-26-0

Cas:3430-26-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

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

High Quality 2, 5-Dibromo-4-Methylpyridine CAS 3430-26-0

Cas:3430-26-0

Min.Order:1 Kilogram

FOB Price: $190.0 / 200.0

Type:Trading Company

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

2,5-Dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:1 Kilogram

FOB Price: $10.0 / 100.0

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

2,5-Dibromo-4-Methylpyridine

Cas:3430-26-0

Min.Order:0

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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 Se

2,5-Dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:0 Metric Ton

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Type:Lab/Research institutions

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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£?5-Dibromo-4-methylpyridine

Cas:3430-26-0

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

2,5-DIBROMO-4-PICOLINE

Cas:3430-26-0

Min.Order:1 Gram

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

2,5-DIBROMO-4-METHYL PYRIDINE

Cas:3430-26-0

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

2,5-Dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:4 Kilogram

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Type:Lab/Research institutions

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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

2,5-Dibromo-4-methylpyridine

Cas:3430-26-0

Min.Order:1 Gram

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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 2,5-Dibromo-4-methylpyridine

Cas:3430-26-0

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

2,5-Dibromo-4-methylpyridine /High quality/Best price

Cas:3430-26-0

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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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

High quality 2,5-Dibromo-4-Methylpyridine

Cas:3430-26-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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Synthetic route

2,5-dibromopyridine
624-28-2

2,5-dibromopyridine

methyl iodide
74-88-4

methyl iodide

2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

Conditions
ConditionsYield
Stage #1: 2,5-dibromopyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.166667h;
Stage #2: methyl iodide In tetrahydrofuran for 0.5h;
86%
2-amino-5-bromo-4-methylpyridine
98198-48-2

2-amino-5-bromo-4-methylpyridine

2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

Conditions
ConditionsYield
Stage #1: 2-amino-5-bromo-4-methylpyridine With hydrogen bromide; bromine; sodium nitrite In water at 0 - 5℃; for 1h;
Stage #2: With sodium hydroxide In water at 20℃; pH=~ 13;
68%
Stage #1: 2-amino-5-bromo-4-methylpyridine With hydrogen bromide; bromine; sodium nitrite In water at 0 - 5℃; for 1h;
Stage #2: With sodium hydroxide In water pH=~ 13;
68%
zinc(II) cyanide
557-21-1

zinc(II) cyanide

2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

5-bromo-4-methyl-pyridine-2-carbonitrile
886364-86-9

5-bromo-4-methyl-pyridine-2-carbonitrile

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 150℃; for 0.0833333h; Negishi Coupling; Microwave irradiation; regioselective reaction;100%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

2,4,6-trivinylcyclotriboroxane*pyridine complex

2,4,6-trivinylcyclotriboroxane*pyridine complex

5-bromo-4-methyl-2-vinyl-pyridine
1122090-37-2

5-bromo-4-methyl-2-vinyl-pyridine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water at 80℃; for 15h; Suzuki Coupling; Inert atmosphere;99%
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water at 80℃; for 15h; Suzuki Coupling;
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water at 80℃; for 15h; Inert atmosphere;
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

cis-2,6-dimethylpiperazine
21655-48-1, 1013625-96-1

cis-2,6-dimethylpiperazine

(3S,5R)-1-(5-bromo-4-methylpyridin-2-yl)-3,5-dimethylpiperazine

(3S,5R)-1-(5-bromo-4-methylpyridin-2-yl)-3,5-dimethylpiperazine

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In dimethyl sulfoxide at 110℃; for 18h;96%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

sodium ethanolate
141-52-6

sodium ethanolate

5-bromo-2-ethoxy-4-methylpyridine
610279-04-4

5-bromo-2-ethoxy-4-methylpyridine

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 40 - 70℃; for 2h; Time;95%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

m-tolylboronic acid
17933-03-8

m-tolylboronic acid

2,5-(m-tolyl)-4-methylpyridine

2,5-(m-tolyl)-4-methylpyridine

Conditions
ConditionsYield
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate monohydrate In water; toluene for 16h; Inert atmosphere; Reflux;93.3%
1-(1-methylethyl)piperazine
4318-42-7

1-(1-methylethyl)piperazine

2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

1-(5-bromo-4-methylpyridin-2-yl)-3-isopropyl-piperazine
919496-46-1

1-(5-bromo-4-methylpyridin-2-yl)-3-isopropyl-piperazine

Conditions
ConditionsYield
With pyridine for 5h; Heating / reflux;90%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

phenylboronic acid
98-80-6

phenylboronic acid

5-bromo-4-methyl-2-phenylpyridine
31686-64-3

5-bromo-4-methyl-2-phenylpyridine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water at 90℃; for 12h; Inert atmosphere;90%
With palladium diacetate; potassium carbonate; triphenylphosphine In methanol; acetonitrile at 50℃; for 24h; Suzuki Coupling; Inert atmosphere; regioselective reaction;82%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water Reflux;77%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

phenylacetylene
536-74-3

phenylacetylene

5-bromo-4-methyl-2-(phenylethynyl)pyridine

5-bromo-4-methyl-2-(phenylethynyl)pyridine

Conditions
ConditionsYield
With copper(l) iodide; palladium(II) trifluoroacetate; palladium diacetate; diisopropylamine In methanol; acetonitrile for 24h; Reflux; Inert atmosphere; regioselective reaction;90%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

phenylboronic acid
98-80-6

phenylboronic acid

2,5-diphenyl-4-methylpyridine

2,5-diphenyl-4-methylpyridine

Conditions
ConditionsYield
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium(0); potassium phosphate monohydrate In water; toluene for 16h; Inert atmosphere; Reflux;87.2%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene at 90℃; for 12h; Schlenk technique; Inert atmosphere;81%
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In toluene at 120℃; for 2h; Inert atmosphere;15.3 g
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

acetonitrile
75-05-8

acetonitrile

(5-bromo-4-methyl-pyridin-2-yl)-acetonitrile

(5-bromo-4-methyl-pyridin-2-yl)-acetonitrile

Conditions
ConditionsYield
Stage #1: acetonitrile With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.75h; Metallation;
Stage #2: 2,5-Dibromo-4-methylpyridine In tetrahydrofuran; hexane at -78 - 20℃; for 2.5h; Alkylation;
86%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

3-Biphenylboronic acid
5122-95-2

3-Biphenylboronic acid

2-([1,1'-biphenyl]-3-yl)-4,5-dimethylpyridine
1414352-90-1

2-([1,1'-biphenyl]-3-yl)-4,5-dimethylpyridine

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In water; toluene for 18.33h; Inert atmosphere; Reflux;85%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

C9H14BrNSi

C9H14BrNSi

Conditions
ConditionsYield
Stage #1: 2,5-Dibromo-4-methylpyridine With n-butyllithium In diethyl ether; hexane at -78℃; for 2h;
Stage #2: chloro-trimethyl-silane In diethyl ether; hexane at -78 - 20℃; for 17h;
85%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

(tert-butyldimethylsilyl)acetylene
86318-61-8

(tert-butyldimethylsilyl)acetylene

5-bromo-2-((tert-butyldimethylsilyl)ethynyl)-4-methylpyridine

5-bromo-2-((tert-butyldimethylsilyl)ethynyl)-4-methylpyridine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In N,N-dimethyl-formamide at 50℃; for 2h; Inert atmosphere;83.9%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

acetone
67-64-1

acetone

2-(5-bromo-4-methylpyridin-2-yl)propan-2-ol
1228014-47-8

2-(5-bromo-4-methylpyridin-2-yl)propan-2-ol

Conditions
ConditionsYield
Stage #1: 2,5-Dibromo-4-methylpyridine With n-butyllithium In hexane; toluene at -78℃; for 0.5h; Inert atmosphere;
Stage #2: acetone at -78 - 20℃; for 2h;
82%
Stage #1: 2,5-Dibromo-4-methylpyridine With n-butyllithium In toluene at -78℃;
Stage #2: acetone In toluene at -78 - 20℃;
Stage #3: With water; ammonium chloride In toluene
63.5%
Stage #1: 2,5-Dibromo-4-methylpyridine With n-butyllithium In toluene at -78℃; for 1h;
Stage #2: acetone In toluene at -78 - 20℃; for 1h;
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

(2-aminopyrimidin-5-yl)boronic acid
936250-22-5

(2-aminopyrimidin-5-yl)boronic acid

5-(5-bromo-4-methylpyridin-2-yl)pyrimidin-2-amine
1429341-51-4

5-(5-bromo-4-methylpyridin-2-yl)pyrimidin-2-amine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 95℃; for 2h;82%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 95℃; for 2h;82%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

4,4,5,5-tetramethyl-2-d5-phenyl[1,3,2]dioxaborolane

4,4,5,5-tetramethyl-2-d5-phenyl[1,3,2]dioxaborolane

C12H5(2)H5BrN

C12H5(2)H5BrN

Conditions
ConditionsYield
With palladium diacetate; triphenylphosphine; potassium hydroxide In acetonitrile at 50℃; for 18h;81%
With palladium diacetate; potassium carbonate; triphenylphosphine In acetonitrile at 50℃; for 24h;81%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

4-methylphenylboronic acid
5720-05-8

4-methylphenylboronic acid

3-bromo-4-methyl-6-(p-tolyl)pyridine
1448777-16-9

3-bromo-4-methyl-6-(p-tolyl)pyridine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In methanol; acetonitrile at 60℃; for 4h; Inert atmosphere;80%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

4-dibenzofurylboronic acid
100124-06-9

4-dibenzofurylboronic acid

5-bromo-2-(dibenzo[b,d]furan-4-yl)-4-methylpyridine
1414352-87-6

5-bromo-2-(dibenzo[b,d]furan-4-yl)-4-methylpyridine

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water for 15h; Inert atmosphere; Reflux;72%
In 1,2-dimethoxyethane; water; ethyl acetate72%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water for 15h; Inert atmosphere; Reflux;72%
With potassium carbonate; Pd(PPh3)4 In 1,2-dimethoxyethane; water; ethyl acetate28.8 g (72%)
2-azetidinone
930-21-2

2-azetidinone

2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

1-(5-bromo-4-methylpyridin-2-yl)azetidin-2-one

1-(5-bromo-4-methylpyridin-2-yl)azetidin-2-one

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In toluene at 120℃; for 19.5h; Inert atmosphere; Molecular sieve; Sealed tube;71%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

trivinylboroxin
92988-08-4

trivinylboroxin

5-bromo-4-methyl-2-vinyl-pyridine
1122090-37-2

5-bromo-4-methyl-2-vinyl-pyridine

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water at 100℃; for 4h;70%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water at 100℃; for 4h;70%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water at 100℃; for 4h;70%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,2-dimethoxyethane; water at 100℃; for 4h;70%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

1-bromo-hexane
111-25-1

1-bromo-hexane

2,5-dibromo-4-heptylpyridine

2,5-dibromo-4-heptylpyridine

Conditions
ConditionsYield
Stage #1: 2,5-Dibromo-4-methylpyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere; Schlenk technique;
Stage #2: 1-bromo-hexane In tetrahydrofuran at 20℃; Inert atmosphere; Schlenk technique;
70%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

2-(azetidin-1-yl)-5-bromo-4-methylpyridine

2-(azetidin-1-yl)-5-bromo-4-methylpyridine

Conditions
ConditionsYield
With caesium carbonate In dimethyl sulfoxide at 90℃; for 20h;66%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

C12H10Br2N2Te2

C12H10Br2N2Te2

5,5'-dibromo-4,4'-dimethyl-2,2'-dipyridyl telluride

5,5'-dibromo-4,4'-dimethyl-2,2'-dipyridyl telluride

Conditions
ConditionsYield
Stage #1: C12H10Br2N2Te2 With sodium hydroxide; hydrazine hydrate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 2,5-Dibromo-4-methylpyridine In tetrahydrofuran; N,N-dimethyl-formamide for 24h; Heating;
65%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-thiazole
1218791-01-5

2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3-thiazole

5-(5-bromo-4-methylpyridin-2-yl)-2-methylthiazole
1429341-63-8

5-(5-bromo-4-methylpyridin-2-yl)-2-methylthiazole

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 95℃; for 3h;64%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In 1,4-dioxane; water at 95℃; for 3h;64%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

2-methoxy-ethanol
109-86-4

2-methoxy-ethanol

5-bromo-2-(2-methoxyethoxy)-4-methylpyridine

5-bromo-2-(2-methoxyethoxy)-4-methylpyridine

Conditions
ConditionsYield
Stage #1: 2-methoxy-ethanol With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h;
Stage #2: 2,5-Dibromo-4-methylpyridine In tetrahydrofuran; mineral oil at 0 - 80℃;
61%
Stage #1: 2-methoxy-ethanol With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h;
Stage #2: 2,5-Dibromo-4-methylpyridine In tetrahydrofuran; mineral oil at 0 - 80℃;
61%
Stage #1: 2-methoxy-ethanol With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.5h;
Stage #2: 2,5-Dibromo-4-methylpyridine In tetrahydrofuran; mineral oil at 0 - 80℃;
61%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

4-Chlorophenylboronic acid
1679-18-1

4-Chlorophenylboronic acid

C12H9BrClN

C12H9BrClN

Conditions
ConditionsYield
With palladium diacetate; potassium carbonate; triphenylphosphine In ethanol; acetonitrile for 48h; Reflux;61%
2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

(2-oxo-1,2-dihydropyridin-3-yl)boronic acid
951655-49-5

(2-oxo-1,2-dihydropyridin-3-yl)boronic acid

3-(5-bromo-4-methyl-2-pyridyl)-1H-pyridin-2-one

3-(5-bromo-4-methyl-2-pyridyl)-1H-pyridin-2-one

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In 1,4-dioxane; water at 90℃; for 18h;60.6%
sodium cyanide
773837-37-9

sodium cyanide

2,5-Dibromo-4-methylpyridine
3430-26-0

2,5-Dibromo-4-methylpyridine

copper(l) cyanide

copper(l) cyanide

5-bromo-4-methyl-pyridine-2-carbonitrile
886364-86-9

5-bromo-4-methyl-pyridine-2-carbonitrile

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 158℃; for 3h; sealed vessel;58%
In N,N-dimethyl-formamide for 20h; Reflux;42.4%

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