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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-Amino-5-bromopyrazine

Cas:59489-71-3

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-5-Bromopyrazine

Cas:59489-71-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 2-Amino-5-bromopyrazine CAS No. 5

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Manufacturer supply 2-Amino-5-bromopyrazine CAS 59489-71-3 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates

Manufacturer supply 2-Amino-5-bromopyrazine CAS 59489-71-3 with attractive price

Cas:59489-71-3

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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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-5-Bromopyrazine

Cas:59489-71-3

Min.Order:1

Negotiable

Type:Other

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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-Bromo-5-Aminopyrazine

Cas:59489-71-3

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be sent

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

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

Factory direct supply CAS 59489-71-3 with best quality

Cas:59489-71-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam

2-Amino-5-bromopyrazine CAS59489-71-3

Cas:59489-71-3

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

2-Amino-5-bromopyrazine/ LIDE PHARMA- Factory supply / Best price

Cas:59489-71-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Products Name: 2-Amino-5-bromopyrazine CAS NO.: 59489-71-3 Structural formula: Molecular formula: C4H4BrN3 Molecular weight: 173.9987 Appearanc

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED

5-BROMOPYRAZINAMINECAS NO.:59489-71-3

Cas:59489-71-3

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

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-5-bromopyrazine 59489-71-3

Cas:59489-71-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Amino-5-bromopyrazine CAS:59489-71-3 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

2-Amino-5-bromopyrazine CAS:59489-71-3

Cas:59489-71-3

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-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Kilogram

Negotiable

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-Amino-5-Bromopyrazine

Cas:59489-71-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

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 present

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Gram

FOB Price: $29.0

Type:Trading Company

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-AMINO-5-BROMOPYRAZINE

Cas:59489-71-3

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-5-bromopyrazine

Cas:59489-71-3

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

5-bromopyrazin-2-amine

Cas:59489-71-3

Min.Order:4 Kilogram

Negotiable

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

2-Amino-5-bromopyrazine CAS NO.59489-71-3

Cas:59489-71-3

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

2-Amino-5-bromopyrazineAppearance:White or Almost White crystalline powder Storage:Store in refrigerator Package:according to customers' requirements Application:Steroids injection For Body building Transportation:By air(EMS or EUB or FedEx or TNT ec

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Competitive Price High Quality Fast Delivery custom-made Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble me

59489-71-3,2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

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

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Product Name:2-Amino-5-bromopyrazine CAS No:59489-7

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Gram

Negotiable

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,

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 2-Amino-5-bromopyrazine Synonyms: 5-BROMOPYRAZINAMINE;5-BROMOPYRAZIN-2-AMINE;5-BROMO-PYRAZIN-2-YLAMINE;5-BROMO-2-PYRAZINAMINE;BUTTPARK 29\02-91;2-aimo-5-bromopyrazine;5-Bromo-2-aminopyrazine;2-AMINO-5-BROMOPYRAZINE: TECH.

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

2-Amino-5-bromopyrazine

Cas:59489-71-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2-amino-3,5-dibromopyrazine
24241-18-7

2-amino-3,5-dibromopyrazine

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

Conditions
ConditionsYield
With trifuran-2-yl-phosphane; palladium diacetate; triethylamine Reagent/catalyst; Solvent; regioselective reaction;97%
2-Aminopyrazine
5049-61-6

2-Aminopyrazine

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

Conditions
ConditionsYield
With N-Bromosuccinimide In acetonitrile at 20℃; for 3h; Reagent/catalyst; Solvent;89%
With N-Bromosuccinimide In N,N-dimethyl-formamide at 0℃;88%
With N-Bromosuccinimide In dichloromethane at 0℃; for 3.5h;81.5%
2-Aminopyrazine
5049-61-6

2-Aminopyrazine

A

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

B

2-amino-3,5-dibromopyrazine
24241-18-7

2-amino-3,5-dibromopyrazine

Conditions
ConditionsYield
With N-Bromosuccinimide In acetonitrile at 100℃; for 0.0833333h; Solvent; Temperature; Microwave irradiation;A 88%
B 6%
With N-Bromosuccinimide In dichloromethane at 0 - 5℃; for 2h;A 62%
B 12%
With N-Bromosuccinimide In dichloromethane at 0℃; for 2h;A 62%
B 12%
With pyridine; bromine In chloroform for 3h; Ambient temperature; 1.2 equivalent of bromine and pyridine;A 36%
B 10%
2-amino-3,5-dibromopyrazine
24241-18-7

2-amino-3,5-dibromopyrazine

A

2-Aminopyrazine
5049-61-6

2-Aminopyrazine

B

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

Conditions
ConditionsYield
With palladium diacetate; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine In dimethyl sulfoxide regioselective reaction;A 10%
B 87%
2-Aminopyrazine
5049-61-6

2-Aminopyrazine

A

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

B

3-bromo-pyrazine-2-amine
21943-12-4

3-bromo-pyrazine-2-amine

Conditions
ConditionsYield
With bromodioxane In 1,4-dioxane at 100℃; for 0.5h; Reagent/catalyst; Solvent;A 48%
B 6%
2-Aminopyrazine
5049-61-6

2-Aminopyrazine

A

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

B

3-bromo-pyrazine-2-amine
21943-12-4

3-bromo-pyrazine-2-amine

C

2-amino-3,5-dibromopyrazine
24241-18-7

2-amino-3,5-dibromopyrazine

Conditions
ConditionsYield
With pyridine; bromine In chloroform for 3h; Ambient temperature; 1.1 equivalent bromine and pyridine;A 35%
B 0.5%
C 7%
3-amino-6-bromo-pyrazine-2-carboxylic acid
486424-37-7

3-amino-6-bromo-pyrazine-2-carboxylic acid

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

Conditions
ConditionsYield
With tetralin
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

(E)-N’-(5-bromopyrazin-2-yl)-N,N-dimethylformamidine
1245215-89-7

(E)-N’-(5-bromopyrazin-2-yl)-N,N-dimethylformamidine

Conditions
ConditionsYield
at 60℃; for 2h;100%
In isopropyl alcohol at 80℃; for 4h;57%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

3-methoxycyclobutane-1-carboxylic acid

3-methoxycyclobutane-1-carboxylic acid

N-(5-bromopyrazin-2-yl)-3-methoxycyclobutanecarboxamide

N-(5-bromopyrazin-2-yl)-3-methoxycyclobutanecarboxamide

Conditions
ConditionsYield
Stage #1: 5-amino-2-bromopyrazine; 3-methoxycyclobutane-1-carboxylic acid With pyridine In acetonitrile at 20℃; for 0.0833333h;
Stage #2: With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide In ethyl acetate; acetonitrile at 20℃; for 12h;
100%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

Cyclobutanecarbonyl chloride
5006-22-4

Cyclobutanecarbonyl chloride

N-(5-bromopyrazin-2-yl)cyclobutanecarboxamide

N-(5-bromopyrazin-2-yl)cyclobutanecarboxamide

Conditions
ConditionsYield
With pyridine at 0℃; for 0.25h;100%
zinc(II) cyanide
557-21-1

zinc(II) cyanide

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

2-amino-5-cyanopyrazine
113305-94-5

2-amino-5-cyanopyrazine

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); N,N,N,N,-tetramethylethylenediamine; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene at 100℃; for 2h;100%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

2-amino-5-(4'-methoxyphenyl)-1,4-pyrazine
119738-50-0

2-amino-5-(4'-methoxyphenyl)-1,4-pyrazine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In N,N-dimethyl-formamide Suzuki-Miyaura Coupling; Reflux;99%
With bis(benzonitrile)palladium(II) dichloride; sodium carbonate; 1,4-di(diphenylphosphino)-butane In ethanol; toluene for 24h; Heating;78%
With sodium carbonate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 In 1,4-dioxane; methanol; water for 7h; Reflux;
With palladium diacetate; potassium carbonate; triphenylphosphine In ethanol; toluene Suzuki-Miyaura Coupling; Inert atmosphere; Reflux;
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

acetyl chloride
75-36-5

acetyl chloride

N-(5-bromopyrazin-2-yl)acetamide
174680-67-2

N-(5-bromopyrazin-2-yl)acetamide

Conditions
ConditionsYield
With pyridine In dichloromethane for 1h;99%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

phenylboronic acid
98-80-6

phenylboronic acid

2-amino-5-phenylpyrazine
13535-13-2

2-amino-5-phenylpyrazine

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In water; isopropyl alcohol at 150℃; for 0.166667h; microwave reactor;99%
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In ethanol; water; toluene at 105℃; for 5h; Inert atmosphere;92.8%
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,4-dioxane; water for 12h; Suzuki Coupling; Inert atmosphere; Reflux; regioselective reaction;74%
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; potassium carbonate In water; N,N-dimethyl-formamide; toluene at 87℃; Reagent/catalyst; Solvent; Time; Inert atmosphere; Large scale;1.82 kg
With bis(benzonitrile)palladium(II) dichloride; [1,4-bis(diphenylphosphino)butane] palladium(ll) dichloride; sodium carbonate In ethanol; water; toluene Reflux;
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

diethylzinc
557-20-0

diethylzinc

2-amino-5-ethylpyrazine
13535-07-4

2-amino-5-ethylpyrazine

Conditions
ConditionsYield
With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In 1,4-dioxane; toluene at 12 - 21℃; for 4h; Inert atmosphere;99%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

cyclopropanecarboxylic acid chloride
4023-34-1

cyclopropanecarboxylic acid chloride

N-(5-bromopyrazin-2-yl)cyclopropanecarboxamide

N-(5-bromopyrazin-2-yl)cyclopropanecarboxamide

Conditions
ConditionsYield
With pyridine at 0℃; for 15h;99%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

pivaloyl chloride
3282-30-2

pivaloyl chloride

N-(5-bromo-pyrazin-2-yl)-2,2-dimethylpropionamide
710322-28-4

N-(5-bromo-pyrazin-2-yl)-2,2-dimethylpropionamide

Conditions
ConditionsYield
With pyridine In ethanol; dichloromethane; water98.21%
With pyridine In dichloromethane at 0 - 25℃; for 22.5h;82%
With pyridine In dichloromethane at 0 - 25℃; for 22.5h;82%
With pyridine In dichloromethane at 0 - 20℃; Inert atmosphere;82%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

acetic anhydride
108-24-7

acetic anhydride

N-(5-bromopyrazin-2-yl)acetamide
174680-67-2

N-(5-bromopyrazin-2-yl)acetamide

Conditions
ConditionsYield
at 20℃; for 12h;98%
Product distribution / selectivity;
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

2-isopropenyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane
126726-62-3

2-isopropenyl-4,4,5,5-tetramethyl-[1,3,2]dioxaborolane

5-isopropenylpyrazin-2-amine

5-isopropenylpyrazin-2-amine

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate In 1,4-dioxane; water at 80℃; for 12h; Inert atmosphere;97%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

tert-butylisonitrile
119072-55-8, 7188-38-7

tert-butylisonitrile

benzaldehyde
100-52-7

benzaldehyde

C16H17BrN4
1021950-89-9

C16H17BrN4

Conditions
ConditionsYield
With toluene-4-sulfonic acid In methanol at 20℃; for 2h;96%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

tert-butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)piperidine-1-carboxylate
877399-74-1

tert-butyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)piperidine-1-carboxylate

tert-butyl 4-(4-(5-aminopyrazin-2-yl)-1H-pyrazol-1-yl)piperidine-1-carboxylate

tert-butyl 4-(4-(5-aminopyrazin-2-yl)-1H-pyrazol-1-yl)piperidine-1-carboxylate

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,4-dioxane; water at 90℃; for 16h; Suzuki Coupling; Inert atmosphere; Sealed tube;96%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

4-butylphenylboronic acid
145240-28-4

4-butylphenylboronic acid

C14H17N3

C14H17N3

Conditions
ConditionsYield
With potassium carbonate In water; toluene at 90℃; for 0.5h; Suzuki-Miyaura Coupling;96%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

(4-octylphenyl)boronic acid
133997-05-4

(4-octylphenyl)boronic acid

C18H25N3
1353879-67-0

C18H25N3

Conditions
ConditionsYield
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; palladium diacetate; potassium carbonate In water; acetonitrile for 6h; Suzuki-Miyaura coupling; Reflux;95%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

2-bromo-4,5-dimethoxybenzaldehyde
5392-10-9

2-bromo-4,5-dimethoxybenzaldehyde

Benzyl isocyanide
88333-03-3, 10340-91-7

Benzyl isocyanide

N-benzyl-6-bromo-2-(2-bromo-4,5-dimethoxyphenyl)imidazo[1,2-a]pyrazin-3-amine
1402350-37-1

N-benzyl-6-bromo-2-(2-bromo-4,5-dimethoxyphenyl)imidazo[1,2-a]pyrazin-3-amine

Conditions
ConditionsYield
With perchloric acid In methanol at 20℃;95%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

potassium cyanide
151-50-8

potassium cyanide

2-amino-5-cyanopyrazine
113305-94-5

2-amino-5-cyanopyrazine

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); 18-crown-6 ether In DMF (N,N-dimethyl-formamide) at 20℃; for 3.5h; Heating / reflux;94.4%
With copper(l) iodide; 18-crown-6 ether; tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide for 2h; Heating;88%
copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); 18-crown-6 ether In N,N-dimethyl-formamide at 200℃; for 1h;36%
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); 18-crown-6 ether In N,N-dimethyl-formamide at 20℃; Heating / reflux;
potassium cyanide

potassium cyanide

5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

2-amino-5-cyanopyrazine
113305-94-5

2-amino-5-cyanopyrazine

Conditions
ConditionsYield
With copper(l) iodide; 18-crown-6 ether; tetrakis(triphenylphosphine) palladium(0) In DMF (N,N-dimethyl-formamide) at 20℃; for 3.5h; Heating / reflux;94.4%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

sodium cyanide
143-33-9

sodium cyanide

copper(I) cyanide
544-92-3

copper(I) cyanide

2-amino-5-cyanopyrazine
113305-94-5

2-amino-5-cyanopyrazine

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 120℃;93%
In N,N-dimethyl-formamide at 120℃;93%
In N,N-dimethyl-formamide at 120℃;93%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

1,3-dimethyl-1H-pyrazole-4-carbaldehyde
25016-12-0

1,3-dimethyl-1H-pyrazole-4-carbaldehyde

(5-bromo-pyrazin-2-yl)-(1,3-dimethyl-1H-pyrazol-4-ylmethyl)amine
945978-42-7

(5-bromo-pyrazin-2-yl)-(1,3-dimethyl-1H-pyrazol-4-ylmethyl)amine

Conditions
ConditionsYield
In acetic acid93%
In acetic acid93%
With trimethylamine-borane; acetic acid In methanol at 20℃;93%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

furan-3-boronic acid
55552-70-0

furan-3-boronic acid

5-furan-3-yl-pyrazin-2-ylamine

5-furan-3-yl-pyrazin-2-ylamine

Conditions
ConditionsYield
With sodium carbonate; tetrakis (triphenylphosphine) palladium (0) In 1,2-dimethoxyethane; ethanol; water for 0.75h; Heating / reflux;92.5%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

cyclohexanylcarbonyl chloride
2719-27-9

cyclohexanylcarbonyl chloride

cyclohexanecarboxylic acid (5-bromo-pyrazin-2-yl)-amide
940959-31-9

cyclohexanecarboxylic acid (5-bromo-pyrazin-2-yl)-amide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 0℃; for 1h;92%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

Thiram
137-26-8

Thiram

5-aminopyrazin-2-yl dimethylcarbamodithioate

5-aminopyrazin-2-yl dimethylcarbamodithioate

Conditions
ConditionsYield
With copper(I) oxide; caesium carbonate In dimethyl sulfoxide at 110℃; for 48h; Sealed tube;92%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

4-methoxycarbonylphenylboronic acid
99768-12-4

4-methoxycarbonylphenylboronic acid

methyl 4-(5-aminopyrazin-2-yl)benzoate
1021918-64-8

methyl 4-(5-aminopyrazin-2-yl)benzoate

Conditions
ConditionsYield
Stage #1: 5-amino-2-bromopyrazine; 4-methoxycarbonylphenylboronic acid With potassium phosphate In 1,4-dioxane; water at 20℃; for 1h; Inert atmosphere;
Stage #2: With bis-triphenylphosphine-palladium(II) chloride In 1,4-dioxane; water for 16h; Suzuki-Miyaura Coupling; Reflux; Inert atmosphere;
91%
Stage #1: 5-amino-2-bromopyrazine; 4-methoxycarbonylphenylboronic acid With potassium carbonate In 1,4-dioxane; water at 20℃; for 0.666667h; Inert atmosphere;
Stage #2: With bis-triphenylphosphine-palladium(II) chloride In 1,4-dioxane; water for 4h; Suzuki Coupling; Reflux;
57%
With sodium carbonate; 1,1'-bis-(diphenylphosphino)ferrocene In 1,4-dioxane; water at 100℃; for 16h;50%
With bis-triphenylphosphine-palladium(II) chloride; potassium phosphate In 1,4-dioxane; water at 20℃; for 16h; Suzuki Coupling; Inert atmosphere; Reflux;
With palladium diacetate; potassium carbonate; triphenylphosphine In ethanol; toluene Suzuki-Miyaura Coupling; Inert atmosphere; Reflux;
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

tert-Butyldimethyl(prop-2-ynyloxy)silane
76782-82-6

tert-Butyldimethyl(prop-2-ynyloxy)silane

2-amino-5-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)pyrazine
1137476-16-4

2-amino-5-(3-(tert-butyldimethylsilyloxy)prop-1-ynyl)pyrazine

Conditions
ConditionsYield
With triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 60℃;91%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

(2-methyl-4-(N-methylsulfamoyl)phenyl)boronic acid
1152274-62-8

(2-methyl-4-(N-methylsulfamoyl)phenyl)boronic acid

4-(5-aminopyrazin-2-yl)-N,3-dimethylbenzenesulfonamide
1612287-91-8

4-(5-aminopyrazin-2-yl)-N,3-dimethylbenzenesulfonamide

Conditions
ConditionsYield
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; caesium carbonate In 1,4-dioxane at 100℃; for 3h; Schlenk technique; Inert atmosphere;91%
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

2-amino-3,5-dibromopyrazine
24241-18-7

2-amino-3,5-dibromopyrazine

Conditions
ConditionsYield
With N-Bromosuccinimide In chloroform at 0 - 20℃; for 6.5h; Solvent;91%
With N-Bromosuccinimide In dichloromethane
5-amino-2-bromopyrazine
59489-71-3

5-amino-2-bromopyrazine

(4-((tert-butyldimethylsilyl)oxy)phenyl)boronic acid
159191-56-7

(4-((tert-butyldimethylsilyl)oxy)phenyl)boronic acid

5-(p-tert-butyldimethylsilyloxyphenyl)-2-amino-1,4-pyrazine
549503-20-0

5-(p-tert-butyldimethylsilyloxyphenyl)-2-amino-1,4-pyrazine

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In ethanol; water; toluene for 17h; Inert atmosphere; Reflux;90.2%
With sodium carbonate; PdCl2(PPh2(CH2)4PPh2) In toluene for 24h; Suzuki reaction; Heating;72%
With sodium carbonate; 1,4-di(diphenylphosphino)-butane; palladium dichloride In ethanol; water; toluene for 15h; Suzuki coupling; Reflux; Inert atmosphere;
With sodium carbonate; dichlorobis(triphenylphosphine)palladium[II] In ethanol; water; toluene
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In ethanol; toluene at 80 - 150℃; Suzuki Coupling;

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