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inquiry1. 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
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inquirychengdu and import and export trade co., LTD., who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do res
Cas:6966-01-4
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inquiryProduct Name: Methyl 3-amino-6-bromopyrazine-2-carboxylate Synonyms: METHYL 3-AMINO-6-BROMOPYRAZINE-2-CARBOXYLATE;5-AMINO-2-BROMO-6-PYRAZINECARBOXYLIC ACIDMETHYL ESTER;3-Amino-6-bromopyrazine-2-carboxylic acid methyl ester;Methyl 6-Bro
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inquiryWITH 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
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inquiryChemical Name Methyl 3-Amino-6-bromopyrazine-2-carboxylate Synonyms Methyl 3-amino-6-bromopyrazine-2-carboxylate; CAS No. 6966-01-4 Molecular Formula C6
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inquiryMethyl 3-amino-6-bromopyrazine-2-carboxylate CAS:6966-01-4 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 hi
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inquiryHello, 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
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inquiryHenan 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
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inquiryJ&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
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inquiryThe 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
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:6966-01-4
Min.Order:10 Gram
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inquiryHunan 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
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inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
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inquiryHigh 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
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
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inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
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inquiryJinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:6966-01-4
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryWe 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. Application:Chemical intermediate
Cas:6966-01-4
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inquiryMethyl 3-amino-6-bromopyrazine-2-carboxylate cas 6966-01-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:6966-01-4
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Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Methyl 3-amino-2-pyrazinecarboxylate
methyl 3-amino-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
With N-Bromosuccinimide In acetonitrile for 2h; Heating / reflux; | 100% |
With bromine; acetic acid In water | 94% |
Stage #1: Methyl 3-amino-2-pyrazinecarboxylate With bromine; acetic acid at 45℃; for 0.833333h; Stage #2: With water at 20℃; for 0.5h; | 94% |
methanol
3-amino-6-bromo-pyrazine-2-carboxylic acid
methyl 3-amino-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
With sulfuric acid at 0 - 40℃; for 48h; | 80.1% |
With sulfuric acid In water |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid 2: bromine; acetic acid View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid / 20 °C / Cooling with ice 2: N-Bromosuccinimide / acetonitrile / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid / 48 h / Cooling with ice 2: N-Bromosuccinimide / acetonitrile / 24 h / 20 °C / Inert atmosphere View Scheme |
methyl 3-amino-6-bromopyrazine-2-carboxylate
3-amino-6-bromopyrazine-2-carbohydrazide
Conditions | Yield |
---|---|
With hydrazine hydrate In ethanol at 50℃; for 40h; Inert atmosphere; | 100% |
With hydrazine hydrate In ethanol at 50℃; for 40h; Inert atmosphere; | 100% |
With hydrazine hydrate In ethanol at 50℃; for 40h; Inert atmosphere; | 100% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
With sodium hydroxide In water Reflux; | 100% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
3-amino-6-bromo-pyrazine-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: methyl 3-amino-6-bromopyrazine-2-carboxylate With water; lithium hydroxide In methanol at 90℃; for 5h; Stage #2: With hydrogenchloride In methanol; water | 99% |
With sodium hydroxide In ethanol | 90% |
With lithium hydroxide In methanol; water for 2h; Reflux; | 83% |
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; caesium carbonate In 1,4-dioxane; water at 100℃; Inert atmosphere; | 99% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
aniline
3-amino-6-bromo-N-phenyl-pyrazine-2-carboxamide
Conditions | Yield |
---|---|
at 115℃; for 4h; Microwave irradiation; | 98% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
With potassium phosphate; bis(tri-t-butylphosphine)palladium(0) In water; acetonitrile at 20 - 60℃; for 2h; Suzuki Coupling; | 97% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
4-methoxyphenylboronic acid
3-Amino-6-(4-methoxy-phenyl)-pyrazine-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; triethylamine In N,N-dimethyl-formamide at 90℃; for 12h; | 94% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
di-tert-butyl dicarbonate
methyl 3-(bis(tert-butoxycarbonyl)amino)-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
With dmap In 1,2-dichloro-ethane at 20 - 75℃; for 18.5h; Product distribution / selectivity; Inert atmosphere; | 94% |
dmap In 1,2-dichloro-ethane at 20 - 75℃; Product distribution / selectivity; Inert atmosphere; | 94% |
Conditions | Yield |
---|---|
at 180℃; for 4h; Microwave irradiation; | 93% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
3-hydroxy-6-bromopyrazine-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
Stage #1: methyl 3-amino-6-bromopyrazine-2-carboxylate With sulfuric acid; sodium nitrite at -5 - 25℃; for 2h; Stage #2: With water for 1.5h; | 92.7% |
With sulfuric acid; sodium nitrite at -5 - 20℃; for 2h; | 90% |
With sulfuric acid; sodium nitrite at 0 - 60℃; for 0.5h; Reagent/catalyst; | 85% |
Conditions | Yield |
---|---|
at 115℃; for 4h; Microwave irradiation; | 92% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
4-methanesulphonylphenylboronic acid
3-amino-6-(4-(methylsulfonyl)phenyl)pyrazine-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: methyl 3-amino-6-bromopyrazine-2-carboxylate; 4-methanesulphonylphenylboronic acid With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In 1,2-dimethoxyethane at 90℃; for 9h; Stage #2: With hydrogenchloride In water pH=1; | 91% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
2,6-difluorophenylboronic acid
methyl 3-amino-6-(2,6-difluorophenyl)pyrazine-2-carboxylate
Conditions | Yield |
---|---|
With bis(tri-t-butylphosphine)palladium(0); N-ethyl-N,N-diisopropylamine In 1,4-dioxane; water at 100℃; for 14h; Inert atmosphere; Sealed tube; | 91% |
Conditions | Yield |
---|---|
at 115℃; for 4h; Microwave irradiation; | 91% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
tert-butyl 3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]sulfonylpiperidine-1-carboxylate
methyl 3-amino-6-[4-[(1-tert-butoxycarbonyl-3-piperidyl)sulfonyl]phenyl]pyrazine-2-carboxylate
Conditions | Yield |
---|---|
With potassium phosphate; bis(tri-t-butylphosphine)palladium(0) at 60℃; for 2h; Inert atmosphere; | 90.02% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
methylamine
3-amino-6-bromo-N-methylpyrazine-2-carboxamide
Conditions | Yield |
---|---|
In water at 20℃; | 90% |
In water at 20℃; for 7h; | 90% |
In water at 20℃; for 4h; | 90% |
at 115℃; for 4h; Microwave irradiation; | 53% |
In water for 1.5h; Ambient temperature; |
(2-ethoxypyridin-3-yl)boronic acid
methyl 3-amino-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In 1,4-dioxane; water at 20℃; for 16h; Suzuki cross-coupling; | 90% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
bis(pinacol)diborane
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In 1,4-dioxane at 80℃; for 18h; Time; Inert atmosphere; | 90% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
furan-3-boronic acid
3-amino-6-(furan-3-yl)-pyrazine-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; triethylamine In N,N-dimethyl-formamide at 90℃; for 12h; | 89% |
Stage #1: methyl 3-amino-6-bromopyrazine-2-carboxylate With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate In N,N-dimethyl-formamide at 20 - 50℃; for 0.25h; Stage #2: furan-3-boronic acid With triethylamine In N,N-dimethyl-formamide at 90℃; for 16h; | 61.8% |
With triethylamine; 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate In N,N-dimethyl-formamide at 90℃; for 16h; Inert atmosphere; | 61.8% |
With potassium acetate; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 170℃; for 0.333333h; Microwave irradiation; |
Conditions | Yield |
---|---|
at 115℃; for 4h; Microwave irradiation; | 89% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
benzo[b]thiophen-3-yl-3-boronic acid
3-Amino-6-benzo[b]thiophen-3-yl-pyrazine-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; triethylamine In N,N-dimethyl-formamide at 90℃; for 12h; | 87% |
SEC-BUTYLAMINE
methyl 3-amino-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
at 100℃; for 6h; Microwave irradiation; | 87% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
Trimethylboroxine
methyl 3-amino-6-methylpyrazine-2-carboxylate
Conditions | Yield |
---|---|
With [1,1'-bis(diphenylphosphino)ferrocene]dichloropalladium(II); potassium carbonate In 1,2-dimethoxyethane at 100℃; for 16h; Inert atmosphere; Sealed tube; | 87% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
(2,3-dimethoxypyridin-4-yl)boronic acid
methyl 3-amino-6-(2,3-dimethoxypyridin-4-yl)pyrazine-2-carboxylate
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In 1,4-dioxane; water for 0.25h; Suzuki-Miyaura cross-coupling; Reflux; | 86% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
Conditions | Yield |
---|---|
With water; lithium hydroxide In methanol at 20 - 50℃; for 3.08333h; | 85% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
3-Diethylboranylpyridine
3-amino-6-(pyridin-3-yl)pyrazine-2-carboxylic acid
Conditions | Yield |
---|---|
Stage #1: methyl 3-amino-6-bromopyrazine-2-carboxylate; 3-Diethylboranylpyridine With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In 1,2-dimethoxyethane; water at 80℃; Suzuki coupling; Stage #2: With acetic acid In water pH=5; | 84% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
methyl 3-amino-5-<(ethoxycarbonyl)methyl>-6-chloropyrazinoate
3-Amino-5-ethoxycarbonylmethyl-6-phenyl-pyrazine-2-carboxylic acid methyl ester
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; triethylamine In N,N-dimethyl-formamide at 90℃; for 12h; | 82% |
methyl 3-amino-6-bromopyrazine-2-carboxylate
phenylboronic acid
methyl 3-amino-6-phenyl-2-pyrazine carboxylate
Conditions | Yield |
---|---|
With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; triethylamine In N,N-dimethyl-formamide at 90℃; for 12h; | 82% |
Stage #1: 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate In DMF (N,N-dimethyl-formamide) at 50℃; for 0.333333h; Stage #2: methyl 3-amino-6-bromopyrazine-2-carboxylate; phenylboronic acid With triethylamine In ISOPROPYLAMIDE at 20 - 90℃; for 12h; | |
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In methanol; water; toluene at 85℃; for 4h; Inert atmosphere; |
(4-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid
methyl 3-amino-6-bromopyrazine-2-carboxylate
methyl 3-amino-6-[4-(pyrrolidin-1-ylsulfonyl)phenyl]pyrazine-2-carboxylate
Conditions | Yield |
---|---|
With potassium phosphate tribasic; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In 1,2-dimethoxyethane; water at 160℃; for 0.5h; heating in a microwave oven; | 82% |
With potassium phosphate tribasic; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In 1,2-dimethoxyethane; water at 160℃; for 0.166667h; microwave oven; | 82% |
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