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Dayang Chem (Hangzhou) Co.,Ltd.

img _fcksaAppearance:White or light yellow crystalline Storage:Store in dry, dark and ventilated place. Package:according to the clients requirement Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuti

2-Bromo-5-fluoropyridine

Cas:41404-58-4

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-Bromo-5-Fluoropyridine with high purity

Cas:41404-58-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Factory supply 2-Bromo-5-fluoropyridine CAS 41404-58-4 with fast delivery Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/

Factory supply 2-Bromo-5-fluoropyridine CAS 41404-58-4 with fast delivery

Cas:41404-58-4

Min.Order:10 Kilogram

FOB Price: $10.0

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-bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

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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: Colorless to slightly yellow Liquid Storag

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermedi

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Kilogram

FOB Price: $1.0

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-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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-Bromo-5-fluoropyridine

Cas:41404-58-4

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 41404-58-4 with fast shipping

Cas:41404-58-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name:2-Bromo-5-Fluoropyridine Molecular Formula:C5H3BrFN Molecular Weight:175.99 CAS No.:41404-58-4 Appearance:Similar White To Slight Yellow Solid Appearance:Similar White To Slight Yellow Solid? Storage:Store in cool and dry place, away from s

2-Bromo-5-Fluoropyridine CAS:41404-58-4

Cas:41404-58-4

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-Bromo-5-fluoropyridine 41404-58-4

Cas:41404-58-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/1733.html Product Name 2-Bromo-5-fluoropyridine CAS No. 41404-58-4

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Bromo-5-fluoropyridine CAS:41404-58-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic

2-Bromo-5-fluoropyridine CAS:41404-58-4

Cas:41404-58-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

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

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

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

CAS NO.:41404-58-4

Cas:41404-58-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biological Technology Co., Ltd. is specialize in the production of chemical raw materials and reagents,located in Shijiazhuang, Hebei Province. In recent decades, under the efforts of all staff, in Shandong, Henan, Guangdong and many othe

2-Bromo-5-fluoropyridine CAS 41404-58-4

Cas:41404-58-4

Min.Order:1 Kilogram

FOB Price: $20.0 / 40.0

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-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Kilogram

FOB Price: $10.0 / 100.0

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

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

2-Bromo-5-Fluoropyridine

Cas:41404-58-4

Min.Order:0

Negotiable

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-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

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

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

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

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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-BROMO-5-FLUORO-PYRIDINE

Cas:41404-58-4

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-bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

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

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

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

2-BROMO-5-FLUOROPYRIDINE/High quality/Best price

Cas:41404-58-4

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High quality 2-Bromo-5-Fluoropyridine

Cas:41404-58-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:light yellow cryst Storage:Store in a cool, dry area. Keep container tightly closed. Package:25kg/drum, or as per your request. Application:For medicine , pesticide intermediates Tra

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Ality Chemical Corporation

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

Factory Supply 2-Bromo-5-fluoro-pyridine

Cas:41404-58-4

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

2-Bromo-5-fluoropyridine Basic information Product Name: 2-Bromo-5-fluoropyridine Synonyms: 2-BROMO-5-FLUOROPYRIDINE;2--5- fluoropyridinebroMide;

41404-58-4 C5H3BrFN 2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

2-Bromo-5-fluoropyridine Chemical Properties Melting point 30-31 °C (lit.) Boiling point 80-83 °C/44 mmHg (lit.) density 1.707±0.06 g/cm3(Predicted) refractive index 1.5396 Fp 167 °F storage temp. Store Cold

2-Bromo-5-fluoropyridine

Cas:41404-58-4

Min.Order:100 Kilogram

FOB Price: $38.0

Type:Lab/Research institutions

inquiry

Synthetic route

2-amino-5-fluoropyridine
21717-96-4

2-amino-5-fluoropyridine

2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

Conditions
ConditionsYield
Stage #1: 2-amino-5-fluoropyridine With hydrogen bromide; bromine; sodium nitrite In water at 0 - 5℃; for 1h;
Stage #2: With sodium hydroxide In water at 20℃; for 0.333333h;
66%
Stage #1: 2-amino-5-fluoropyridine With hydrogen bromide; bromine at 0℃; for 0.333333h;
Stage #2: With sodium nitrite In water at -10℃; for 2h;
Stage #3: With sodium hydroxide In water at 5℃; for 0.5h;
36%
Sandmayer reaction;
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

2-bromo-5-fluoro-1-oxido-pyridin-1-ium

2-bromo-5-fluoro-1-oxido-pyridin-1-ium

Conditions
ConditionsYield
With urea hydrogen peroxide adduct; trifluoroacetic anhydride In chloroform at 20℃; for 15h;100%
With dihydrogen peroxide; trifluoroacetic acid In water at 80℃; for 16h;90%
With dihydrogen peroxide; trifluoroacetic anhydride In dichloromethane; water at 0 - 20℃; for 18h;76%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

tert-butyl {(S)-1-[methoxy(methyl)amino]-1-oxopropan-2-yl}carbamate
146553-06-2, 87694-49-3

tert-butyl {(S)-1-[methoxy(methyl)amino]-1-oxopropan-2-yl}carbamate

tert-butyl N-[(1S)-2-(5-fluoro-2-pyridyl)-1-methyl-2-oxo-ethyl]carbamate

tert-butyl N-[(1S)-2-(5-fluoro-2-pyridyl)-1-methyl-2-oxo-ethyl]carbamate

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoropyridine With TurboGrignard In tetrahydrofuran at 0 - 20℃; for 2.33333h; Inert atmosphere;
Stage #2: tert-butyl {(S)-1-[methoxy(methyl)amino]-1-oxopropan-2-yl}carbamate With methylmagnesium bromide In tetrahydrofuran at -20 - 20℃; for 1.5h; Inert atmosphere;
100%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

tert butyl 4-formylpiperidine-1-carboxylate
137076-22-3

tert butyl 4-formylpiperidine-1-carboxylate

C16H23FN2O3
918501-72-1

C16H23FN2O3

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoropyridine; tert butyl 4-formylpiperidine-1-carboxylate With n-butyllithium In toluene at -78℃; for 2.5h;
Stage #2: With water; acetic acid In toluene at -78℃;
99%
piperidine
110-89-4

piperidine

2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

5-fluoro-2-(piperidin-1-yl)pyridine

5-fluoro-2-(piperidin-1-yl)pyridine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; XPhos In toluene at 100℃; for 24h; Inert atmosphere;99%
1-methyl-piperazine
109-01-3

1-methyl-piperazine

2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

2-(4-methylpiperazin-1-yl)-5-fluoropyridine

2-(4-methylpiperazin-1-yl)-5-fluoropyridine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; XPhos In toluene at 100℃; for 24h; Inert atmosphere;99%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

N-butylamine
109-73-9

N-butylamine

2-(n-butylamino)-5-fluoropyridine

2-(n-butylamino)-5-fluoropyridine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate; XPhos In toluene at 100℃; for 24h; Inert atmosphere;99%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

5,5’-difluoro-2,2’-bipyridine
1041837-79-9

5,5’-difluoro-2,2’-bipyridine

Conditions
ConditionsYield
With palladium 10% on activated carbon; potassium acetate; bis(pinacol)diborane In ethanol at 60℃; for 18h; Suzuki-Miyaura Coupling; Inert atmosphere;98.2%
With indium; lithium chloride; palladium diacetate In N,N-dimethyl-formamide at 100℃; for 1h;89%
With indium; palladium diacetate; lithium chloride In N,N-dimethyl-formamide at 100℃; for 2h; Inert atmosphere;80%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

4-(diphenylamino)phenyl boronic acid
201802-67-7

4-(diphenylamino)phenyl boronic acid

4-(5-fluoropyridin-2-yl)-N,N-diphenylaniline
1263145-39-6

4-(5-fluoropyridin-2-yl)-N,N-diphenylaniline

Conditions
ConditionsYield
With potassium phosphate tribasic heptahydrate; palladium diacetate In water; isopropyl alcohol at 80℃; for 0.2h; Suzuki reaction;98%
With palladium diacetate; potassium carbonate In ethanol; water at 80℃; for 0.166667h; Suzuki Coupling;92%
With palladium diacetate; potassium carbonate In ethanol; water at 80℃; Suzuki Coupling;
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

tert-Butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-1(2H)-pyridinecarboxylate
375853-82-0, 286961-14-6

tert-Butyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-1(2H)-pyridinecarboxylate

tert-butyl 5-fluoro-3',6'-dihydro-[2,4'-bipyridine]-1'(2'H)carboxylate

tert-butyl 5-fluoro-3',6'-dihydro-[2,4'-bipyridine]-1'(2'H)carboxylate

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In tetrahydrofuran at 90℃; for 48h;98%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

(4-ethoxy-4-oxobutyl)zinc(II) bromide
151073-69-7

(4-ethoxy-4-oxobutyl)zinc(II) bromide

ethyl 4-(5-fluoropyridin-2-yl)butanoate
1100766-36-6

ethyl 4-(5-fluoropyridin-2-yl)butanoate

Conditions
ConditionsYield
[1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene](3-chloropyridyl)palladium(ll) dichloride In tetrahydrofuran at 20℃; for 48h; Negishi Coupling Reaction;97%
With [1,3-bis(2,6-diisopropyl-phenyl)imidazol-2-ylidene](3-chloropyridyl)-palladium(II) dichloride In tetrahydrofuran at 20℃; for 48h; Negishi coupling;80%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

4-methylphenylboronic acid
5720-05-8

4-methylphenylboronic acid

5-fluoro-2-(4-methylphenyl)pyridine
1198348-26-3

5-fluoro-2-(4-methylphenyl)pyridine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In tetrahydrofuran; water at 70℃; for 8h;97%
With potassium phosphate tribasic heptahydrate; palladium diacetate In ethylene glycol at 80℃; for 0.166667h; Suzuki coupling;96%
With potassium phosphate tribasic heptahydrate; palladium diacetate In isopropyl alcohol at 80℃; for 0.0833333h; Suzuki coupling;93%
Stage #1: 2-bromo-5-fluoropyridine With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In ethanol; water; toluene for 0.25h; Suzuki Coupling; Inert atmosphere;
Stage #2: 4-methylphenylboronic acid In ethanol; water; toluene at 80℃; for 48h; Suzuki Coupling; Inert atmosphere;
67%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

2-triethylsilylacetylene
1777-03-3

2-triethylsilylacetylene

5-fluoro-2-[2-(triethylsilyl)ethynyl]pyridine

5-fluoro-2-[2-(triethylsilyl)ethynyl]pyridine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 24h; Inert atmosphere;97%
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

Triisopropyl borate
5419-55-6

Triisopropyl borate

lithium triisopropyl 2-(5-fluoropyridyl) borate

lithium triisopropyl 2-(5-fluoropyridyl) borate

Conditions
ConditionsYield
In tetrahydrofuran; toluene 1. triisopropylborate, toluene/THF 4/1; 2. n-C4H9Li over 90 min, -78°C to room temp.;96%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

triethylsilyl chloride
994-30-9

triethylsilyl chloride

2-bromo-5-fluoro-4-(triethylsilyl)pyridine
1387561-09-2

2-bromo-5-fluoro-4-(triethylsilyl)pyridine

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoropyridine With n-butyllithium; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at -75 - -50℃; for 1h;
Stage #2: triethylsilyl chloride With ammonium chloride In water at -50 - -20℃; Product distribution / selectivity;
96%
Stage #1: 2-bromo-5-fluoropyridine With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - -50℃; for 1h;
Stage #2: triethylsilyl chloride In tetrahydrofuran; hexane at -78 - -20℃;
96%
Stage #1: 2-bromo-5-fluoropyridine With n-butyllithium; diisopropylamine In tetrahydrofuran at -70℃; for 1h;
Stage #2: triethylsilyl chloride In tetrahydrofuran at -70 - -30℃; for 1.5h;
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

4-biphenylboronic acid
5122-94-1

4-biphenylboronic acid

5-fluoro-2-(4-phenylphenyl)pyridine
1101205-31-5

5-fluoro-2-(4-phenylphenyl)pyridine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In tetrahydrofuran; water at 70℃; for 8h;96%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

2-(phenoxymethyl)-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one
1382782-07-1

2-(phenoxymethyl)-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one

5-(5-fluoro-2-pyridyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one
1382782-16-2

5-(5-fluoro-2-pyridyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one

Conditions
ConditionsYield
With copper(l) iodide; potassium carbonate; N,N`-dimethylethylenediamine In toluene at 120℃; for 60h; Inert atmosphere; Sealed tube;96%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

2-(adamantan-1-yloxy)ethan-1-amine
25225-13-2

2-(adamantan-1-yloxy)ethan-1-amine

N-[2-(adamantan-1-yloxy)ethyl]-5-fluoropyridin-2-amine

N-[2-(adamantan-1-yloxy)ethyl]-5-fluoropyridin-2-amine

Conditions
ConditionsYield
With bis(dibenzylideneacetone)-palladium(0); sodium t-butanolate; DavePhos In 1,4-dioxane for 12h; Reflux; Schlenk technique;95%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

1-tert-Butyl 4-methyl piperidine-1,4-dicarboxylate
124443-68-1

1-tert-Butyl 4-methyl piperidine-1,4-dicarboxylate

5-fluoro-2',3',5',6'-tetrahydro-[2,4']bipyridinyl-1',4'-dicarboxylic acid 1'-tert-butyl ester 4'-methyl ester

5-fluoro-2',3',5',6'-tetrahydro-[2,4']bipyridinyl-1',4'-dicarboxylic acid 1'-tert-butyl ester 4'-methyl ester

Conditions
ConditionsYield
With lithium hexamethyldisilazane; tris-(dibenzylideneacetone)dipalladium(0); tri-tert-butyl phosphine In toluene at 23℃; for 12h;93%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

(7S)-5-(3,4-dichlorophenyl)-7-methyl-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazine-3-carboxamide

(7S)-5-(3,4-dichlorophenyl)-7-methyl-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazine-3-carboxamide

(7S)-5-(3,4-dichlorophenyl)-N-(5-fluoro-2-pyridyl)-7-methyl-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazine-3-carboxamide

(7S)-5-(3,4-dichlorophenyl)-N-(5-fluoro-2-pyridyl)-7-methyl-4-oxo-6,7-dihydropyrazolo[1,5-a]pyrazine-3-carboxamide

Conditions
ConditionsYield
With potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tetrahydrofuran at 90℃; for 4h; Goldberg Reaction; Sealed tube; Inert atmosphere;93%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

2-methyl-but-3-yn-2-ol
115-19-5

2-methyl-but-3-yn-2-ol

dimethylhydroxymethyl-5-fluoro-2-pyridylacetylene
904694-30-0

dimethylhydroxymethyl-5-fluoro-2-pyridylacetylene

Conditions
ConditionsYield
With piperidine; tetrakis(triphenylphosphine) palladium(0) at 80℃; for 1h;92%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

phenylboronic acid
98-80-6

phenylboronic acid

2-phenyl-5-fluoropyridine
512171-81-2

2-phenyl-5-fluoropyridine

Conditions
ConditionsYield
With potassium phosphate tribasic heptahydrate; palladium diacetate In isopropyl alcohol at 80℃; for 0.166667h; Suzuki coupling;92%
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In ethanol; water; toluene Suzuki Coupling; Inert atmosphere; Reflux;92%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol at 100℃; for 15h; Inert atmosphere;91%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

3-fluorophenylboronic acid
768-35-4

3-fluorophenylboronic acid

5-fluoro-2-(3-fluorophenyl)pyridine

5-fluoro-2-(3-fluorophenyl)pyridine

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water at 80 - 100℃; for 3h; Inert atmosphere;92%
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In 1,4-dioxane; water at 80 - 100℃; for 3h; Inert atmosphere;92%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

Ethyl diethoxyacetate
6065-82-3

Ethyl diethoxyacetate

1-(2-bromo-5-fluoropyridin-4-yl)-2,2-diethoxyethan-1-one

1-(2-bromo-5-fluoropyridin-4-yl)-2,2-diethoxyethan-1-one

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoropyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere;
Stage #2: Ethyl diethoxyacetate In tetrahydrofuran at -78℃; for 2h;
92%
Stage #1: 2-bromo-5-fluoropyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere;
Stage #2: Ethyl diethoxyacetate In tetrahydrofuran at -78℃; for 2h; Inert atmosphere;
92%
Stage #1: 2-bromo-5-fluoropyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere;
Stage #2: Ethyl diethoxyacetate In tetrahydrofuran at -78℃; for 2h;
92%
Stage #1: 2-bromo-5-fluoropyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere;
Stage #2: Ethyl diethoxyacetate In tetrahydrofuran at -78℃; for 2h;
92%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

carbon dioxide
124-38-9

carbon dioxide

2-bromo-5-fluoropyridine-4-carboxylic acid
885588-12-5

2-bromo-5-fluoropyridine-4-carboxylic acid

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoropyridine With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -70 - -60℃; for 1.5h;
Stage #2: carbon dioxide In tetrahydrofuran; hexane at -70 - 20℃;
92%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

mesitylenesulfonylhydroxylamine
36016-40-7

mesitylenesulfonylhydroxylamine

2-bromo-5-fluoro-pyridin-1-ium-1-amine 2,4,6-trimethylbenzenesulfonate

2-bromo-5-fluoro-pyridin-1-ium-1-amine 2,4,6-trimethylbenzenesulfonate

Conditions
ConditionsYield
In dichloromethane at 10℃; for 18h; Inert atmosphere;92%
In dichloromethane at 10℃; for 18h;92%
In dichloromethane at 10℃; for 18h;90 g
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

para-nitrobenzenethiol
1849-36-1

para-nitrobenzenethiol

C11H7BrN2O2S

C11H7BrN2O2S

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide at 90℃; for 12h;91.8%
4-(carbazol-9-yl)phenylboronic acid
419536-33-7

4-(carbazol-9-yl)phenylboronic acid

2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

9-(4-(5-fluoropyridin-2-yl)phenyl)-9H-carbazole
1380225-66-0

9-(4-(5-fluoropyridin-2-yl)phenyl)-9H-carbazole

Conditions
ConditionsYield
With palladium diacetate; potassium carbonate In ethanol; water at 80℃; for 0.166667h; Suzuki Coupling;91%
With palladium diacetate; potassium carbonate In ethanol; water at 80℃;
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

(RS)-2-methylpropane-2-sulfinic acid [2-(tert-butyldimethylsilanyloxy)ethylidene]amide
1075756-68-1

(RS)-2-methylpropane-2-sulfinic acid [2-(tert-butyldimethylsilanyloxy)ethylidene]amide

N-(2-(tert-butyldimethylsilyloxy)-1-(5-fluoropyridin-2-yl)ethyl)-2-methylpropane-2-sulfinamide
1075756-79-4

N-(2-(tert-butyldimethylsilyloxy)-1-(5-fluoropyridin-2-yl)ethyl)-2-methylpropane-2-sulfinamide

Conditions
ConditionsYield
Stage #1: 2-bromo-5-fluoropyridine With lithium diisopropyl amide In tert-butyl methyl ether; pentane at -78℃; for 0.5h;
Stage #2: (RS)-2-methylpropane-2-sulfinic acid [2-(tert-butyldimethylsilanyloxy)ethylidene]amide In tert-butyl methyl ether; pentane at -78℃; for 2h;
90%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

tributyl(1-ethoxyvinyl)stannane
97674-02-7

tributyl(1-ethoxyvinyl)stannane

2-(1-ethoxyvinyl)-5-fluoropyridine

2-(1-ethoxyvinyl)-5-fluoropyridine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In acetonitrile at 80℃; for 30h;90%
2-bromo-5-fluoropyridine
41404-58-4

2-bromo-5-fluoropyridine

sodium thioethylate
811-51-8

sodium thioethylate

2-bromo-5-(ethylthio)pyridine
1346539-39-6

2-bromo-5-(ethylthio)pyridine

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 100℃; for 15h; Inert atmosphere;90%
In N,N-dimethyl-formamide at 100℃; for 15h;90%
In N,N-dimethyl-formamide at 100℃; for 15h;90%
In N,N-dimethyl-formamide at 100℃; for 15h;90%

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