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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-Chloropyrazine? supplier in China

Cas:33332-29-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

High quality 2-Amino-5-chloropyrazine CAS 33332-29-5 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/Fe

High quality 2-Amino-5-chloropyrazine CAS 33332-29-5 with factory price

Cas:33332-29-5

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-Chloropyrazine

Cas:33332-29-5

Min.Order:1

Negotiable

Type:Other

inquiry

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% 33332-29-5? 5-chloropyrazin-2-amine? Manufacturer

Cas:33332-29-5

Min.Order:1 Gram

FOB Price: $0.1

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-chloropyrazine

Cas:33332-29-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

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-Amino-5-chloropyrazine

Cas:33332-29-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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 33332-29-5 with best quality

Cas:33332-29-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

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-chloropyrazine/ LIDE PHARMA- Factory supply / Best price

Cas:33332-29-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Product Name: 2-Amino-5-chloropyrazine CAS No.: 33332-29-5 Molecular formula: C4H4ClN3 Molecular weight: 129 Appearance: light yellow or yellow powder Appearance:light yellow or yell

2-Amino-5-chloropyrazine CAS:33332-29-5

Cas:33332-29-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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-chloropyrazine 33332-29-5

Cas:33332-29-5

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.:33332-29-5

Cas:33332-29-5

Min.Order:0

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-Chloropyrazine

Cas:33332-29-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Triumph International Development Limilted

Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao

2-Amino-5-chloropyrazine 33332-29-5

Cas:33332-29-5

Min.Order:1 Kilogram

FOB Price: $16.0 / 20.0

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-Amino-5-chloropyrazine

Cas:33332-29-5

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

High quality 2-Amino-5-Chloropyrazine supplier in China

Cas:33332-29-5

Min.Order:1 Gram

Negotiable

Type:Other

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-chloropyrazine

Cas:33332-29-5

Min.Order:0

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-Amino-5-chloropyrazine

Cas:33332-29-5

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

2-Amino-5-chloropyrazine /High quality/Best price/In stock

Cas:33332-29-5

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

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-chloropyrazine

Cas:33332-29-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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-chloropyrazine

Cas:33332-29-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 2-Amino-5-chloropyrazine Synonyms: 2-AMINO-5-CHLOROPYRAZINE 98%;2-AMINO-5-CHLOROPYRAZINE 98+%;5-chloropyrazin-2-amine;5-Amino-2-chloropyrazine;A90103;2- aMino-5- chlorinepyrazine;2-AMINO-5-CHLOROPYRAZINE;5-Chloropyrazin-2-amine,

2-Amino-5-chloropyrazine 33332-29-5 C4H4ClN3

Cas:33332-29-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

2-Amino-5-chloropyrazine /High quality/Best price/In stock

Cas:33332-29-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

2-Amino-5-chloropyrazine

Cas:33332-29-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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-chloropyrazine

Cas:33332-29-5

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-chloropyrazine /High quality/Best price/In stock

Cas:33332-29-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

2-Amino-5-chloropyrazine /High quality/Best price/In stock

Cas:33332-29-5

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

2-Amino-5-chloropyrazine

Cas:33332-29-5

Min.Order:0

Negotiable

Type:Other

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

2-Amino-5-chloropyrazine

Cas:33332-29-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

5-Chloropyrazin-2-amine

Cas:33332-29-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

2-Aminopyrazine
5049-61-6

2-Aminopyrazine

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

Conditions
ConditionsYield
With N-chloro-N-methoxybenzenesulfonamide In acetonitrile at 50℃; for 5h;80%
With N-chloro-N-methoxy-4-methylbenzenesulfonamide In acetonitrile at 40℃; for 4h; Reagent/catalyst; Temperature;80%
With Selectfluor; lithium chloride In N,N-dimethyl-formamide at 15℃; for 12h; Inert atmosphere; Schlenk technique; Sealed tube; regioselective reaction;60%
2-Aminopyrazine
5049-61-6

2-Aminopyrazine

A

3-chloropyrazin-2-amine
6863-73-6

3-chloropyrazin-2-amine

B

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

C

3,5-dichloro-pyrazin-2-ylamine
873-42-7

3,5-dichloro-pyrazin-2-ylamine

Conditions
ConditionsYield
With N-chloro-succinimide In acetonitrile at 20℃; for 72h;A n/a
B 57%
C 13%
pyridinium N-(3'-bromo-5'-chloropyrazin-2'-yl)aminide
475641-50-0

pyridinium N-(3'-bromo-5'-chloropyrazin-2'-yl)aminide

A

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

B

3-chloro-pyrido[1',2':2,3]pyrazolo[5,4-b]pyrazine

3-chloro-pyrido[1',2':2,3]pyrazolo[5,4-b]pyrazine

Conditions
ConditionsYield
With 2,2'-azobis(isobutyronitrile); tris-(trimethylsilyl)silane; potassium carbonate In acetonitrile; benzene at 80℃; for 24h;A 10%
B 52%
With 2,2'-azobis(isobutyronitrile); tris-(trimethylsilyl)silane; potassium carbonate In acetonitrile; benzene at 80℃; for 24h;A 10%
B 52%
2-Aminopyrazine
5049-61-6

2-Aminopyrazine

A

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

B

3,5-dichloro-pyrazin-2-ylamine
873-42-7

3,5-dichloro-pyrazin-2-ylamine

Conditions
ConditionsYield
With N-chloro-succinimide In chloroform for 2h; Product distribution / selectivity; Heating / reflux;A 4%
B 14%
3-aminopyrazine 1-oxide
6863-77-0

3-aminopyrazine 1-oxide

A

3-chloropyrazin-2-amine
6863-73-6

3-chloropyrazin-2-amine

B

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

C

2-amino-6-chloropyrazine
33332-28-4

2-amino-6-chloropyrazine

Conditions
ConditionsYield
With trichlorophosphate for 2h; Heating; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
With trichlorophosphate for 2h; Product distribution; Mechanism; Heating; other substituted pyrazine-1-oxides and products, deoxygenation/chlorination competition; other time;
3-amino-6-chloropyrazine-2-carboxylic acid methyl ester
1458-03-3

3-amino-6-chloropyrazine-2-carboxylic acid methyl ester

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

Conditions
ConditionsYield
With sodium hydroxide In diphenylether; water
3-aminopyrazinoic acid
5424-01-1

3-aminopyrazinoic acid

Methyl 3-amino-2-pyrazinecarboxylate
16298-03-6

Methyl 3-amino-2-pyrazinecarboxylate

1-methyl-3-(4-methylphenyl)-triazene
20667-76-9, 20667-77-0, 21124-13-0

1-methyl-3-(4-methylphenyl)-triazene

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

Conditions
ConditionsYield
In tetrahydrofuran; diethyl ether; water; acetic acid
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

2-chloro-5-fluoropyrazine

2-chloro-5-fluoropyrazine

Conditions
ConditionsYield
With tetrafluoroboric acid; sodium nitrite In water at 0 - 20℃; for 4h; Inert atmosphere;93%
chloroformic acid ethyl ester
541-41-3

chloroformic acid ethyl ester

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

ethyl (5-chloropyrazin-2-yl)carbamate
1419610-84-6

ethyl (5-chloropyrazin-2-yl)carbamate

Conditions
ConditionsYield
With pyridine at 20℃; for 0.5h;91%
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

phenylboronic acid
98-80-6

phenylboronic acid

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

2-amino-5-phenylpyrazine

Conditions
ConditionsYield
With potassium carbonate In ethanol; water at 80℃; for 8h; Suzuki-Miyaura coupling reaction; Inert atmosphere;90%
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

3-bromo-5-chloro-2-aminopyrazine
76537-18-3

3-bromo-5-chloro-2-aminopyrazine

Conditions
ConditionsYield
With N-Bromosuccinimide In dichloromethane at 20℃; for 0.25h;87%
With N-Bromosuccinimide In dichloromethane at 0℃;79%
With N-Bromosuccinimide In N,N-dimethyl-formamide at 40℃; for 1h;77%
p-ethylbenzoyl chloride
16331-45-6

p-ethylbenzoyl chloride

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

N-(5-chloropyrazin-2-yl)-4-ethylbenzamide

N-(5-chloropyrazin-2-yl)-4-ethylbenzamide

Conditions
ConditionsYield
Stage #1: p-ethylbenzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere;
85%
1,1'-Thiocarbonyldi-2(1H)-pyridone
102368-13-8

1,1'-Thiocarbonyldi-2(1H)-pyridone

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

2-chloro-5-isothiocyanatopyrazine
1301212-37-2

2-chloro-5-isothiocyanatopyrazine

Conditions
ConditionsYield
In dichloromethane at 20℃; for 1h;83%
In dichloromethane at 20℃; for 1h;83%
In dichloromethane at 20℃; for 2h;
sodium methylate
124-41-4

sodium methylate

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

2-amino-5-methoxypyrazine
54013-07-9

2-amino-5-methoxypyrazine

Conditions
ConditionsYield
With copper In methanol at 150℃; for 24h; Sealed tube;67%
With copper In methanol at 150℃; for 24h; Sealed tube;67%
3-(Trifluoromethyl)benzoyl chloride
2251-65-2

3-(Trifluoromethyl)benzoyl chloride

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

N-(5-chloropyrazin-2-yl)-3-(trifluoromethyl)benzamide

N-(5-chloropyrazin-2-yl)-3-(trifluoromethyl)benzamide

Conditions
ConditionsYield
Stage #1: 3-(Trifluoromethyl)benzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere;
65%
1-bromo-4-butene
5162-44-7

1-bromo-4-butene

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

N-(but-3-en-1-yl)-5-chloropyrazin-2-amine

N-(but-3-en-1-yl)-5-chloropyrazin-2-amine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 110℃;64%
Langlois reagent
2926-29-6

Langlois reagent

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

5-chloro-3-(trifluoromethyl)pyrazin-2-amine

5-chloro-3-(trifluoromethyl)pyrazin-2-amine

Conditions
ConditionsYield
With tert.-butylhydroperoxide In dichloromethane for 8h;57%
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

5-chloro-1,2-dihydro-2-oxopyrazine
89180-45-0

5-chloro-1,2-dihydro-2-oxopyrazine

Conditions
ConditionsYield
With sulfuric acid; sodium nitrite at 0 - 40℃;56%
4-acetoxybenzoyl chloride
27914-73-4

4-acetoxybenzoyl chloride

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

4-((5-chloropyrazin-2-yl)carbamoyl)phenyl acetate

4-((5-chloropyrazin-2-yl)carbamoyl)phenyl acetate

Conditions
ConditionsYield
Stage #1: 4-acetoxybenzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere;
55%
m-Chlorobenzoyl chloride
618-46-2

m-Chlorobenzoyl chloride

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

3-chloro-N-(5-chloropyrazin-2-yl)benzamide

3-chloro-N-(5-chloropyrazin-2-yl)benzamide

Conditions
ConditionsYield
Stage #1: m-Chlorobenzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere;
54%
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

O-acetylsalicyloyl chloride
5538-51-2

O-acetylsalicyloyl chloride

2-((5-chloropyrazin-2-yl)carbamoyl)phenyl acetate

2-((5-chloropyrazin-2-yl)carbamoyl)phenyl acetate

Conditions
ConditionsYield
Stage #1: O-acetylsalicyloyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere;
53%
2(R)-(3-chloro-4-methylsulfonylphenyl)-3-(4-oxocyclohexyl)propionic acid
625114-64-9

2(R)-(3-chloro-4-methylsulfonylphenyl)-3-(4-oxocyclohexyl)propionic acid

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

2(R)-(3-chloro-4-methanesulfonylphenyl)-N-(5-chloropyrazin-2-yl)-3-(4-oxocyclohexyl)propionamide
625112-91-6

2(R)-(3-chloro-4-methanesulfonylphenyl)-N-(5-chloropyrazin-2-yl)-3-(4-oxocyclohexyl)propionamide

Conditions
ConditionsYield
Stage #1: 2(R)-(3-chloro-4-methylsulfonylphenyl)-3-(4-oxocyclohexyl)propionic acid With N-Bromosuccinimide; triphenylphosphine In dichloromethane at 0 - 25℃; for 0.5h;
Stage #2: 2-amino-5-chloropyrazine With 2,6-dimethylpyridine In dichloromethane at 25℃; for 4h;
52%
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

5-chloro-3-iodo-pyrazin-2-amine

5-chloro-3-iodo-pyrazin-2-amine

Conditions
ConditionsYield
With N-iodo-succinimide In N,N-dimethyl-formamide at 20 - 75℃; for 16h; Inert atmosphere;50%
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

Bromoacetaldehyde diethyl acetal
2032-35-1

Bromoacetaldehyde diethyl acetal

6-chloroimidazo<1,2-a>pyrazine
76537-23-0

6-chloroimidazo<1,2-a>pyrazine

Conditions
ConditionsYield
With hydrogen bromide In isopropyl alcohol at 80℃;49.75%
With hydrogen bromide 1.) 120 deg C, 1.5 h, 2.) reflux, 2 h; Yield given. Multistep reaction;
benzoyl chloride
98-88-4

benzoyl chloride

2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

N-(5-chloropyrazin-2-yl)benzamide

N-(5-chloropyrazin-2-yl)benzamide

Conditions
ConditionsYield
Stage #1: benzoyl chloride With pyridine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere;
48%
2-amino-5-chloropyrazine
33332-29-5

2-amino-5-chloropyrazine

3-(chlorocarbonyl)phenyl acetate
16446-73-4

3-(chlorocarbonyl)phenyl acetate

3-((5-chloropyrazin-2-yl)carbamoyl)phenyl acetate

3-((5-chloropyrazin-2-yl)carbamoyl)phenyl acetate

Conditions
ConditionsYield
Stage #1: 3-(chlorocarbonyl)phenyl acetate With pyridine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: 2-amino-5-chloropyrazine In dichloromethane for 6.16667h; Inert atmosphere;
48%

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