Product Name:3,6-Difluoropyrazine-2-carbonitrile Synonym:2-Pyrazinecarbonitrile,3,6-difluoro;3,6-difluoro-2-pyrazinecarbonitrile Cas No:356783-28-3 Molecular Formula:C5HF2N3 Molecular Weight:141.0783464 Appearance:Little yellow powder a
Cas:356783-28-3
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryJinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu
Cas:356783-28-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryChengdu AstaTech Chemical Technology Co., Ltd. is a wholly-owned subsidiary of AstaTech (Chengdu) BioPharmaceutical Co., Ltd. It has overall accountability for AstaTech’s product list and sales and promotion of chemical reagents in China. The company
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Trading Company
inquiryDayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:356783-28-3
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:356783-28-3
Min.Order:1 Gram
FOB Price: $1000.0 / 1300.0
Type:Trading Company
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
Cas:356783-28-3
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryProduct Name:3,6-Difluoropyrazine-2-carbonitrile Synonym:2-Pyrazinecarbonitrile,3,6-difluoro;3,6-difluoro-2-pyrazinecarbonitrile Cas No:356783-28-3 Molecular Formula:C5HF2N3 Molecular Weight:141.0783464 Appearance:Little yellow powder a
Cas:356783-28-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantage : 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&
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCompany 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
Cas:356783-28-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:356783-28-3
Min.Order:0
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Type:Lab/Research institutions
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:356783-28-3
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct 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,
Cas:356783-28-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...)
Cas:356783-28-3
Min.Order:1 Kilogram
FOB Price: $5.0
Type:Lab/Research institutions
inquiryProduct name: 3,6-Difluoro-2-Pyrazinecarbonitrile CAS No.:356783-28-3 Molecule Formula:C5HF2N3 Molecule Weight:141.08 Purity: 99.0% Package: 25kg/drum Description: Light yellow powder Manufacture Standards:Enterprise Standard
Cas:356783-28-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryShandong 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
Cas:356783-28-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Cas:356783-28-3
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:356783-28-3
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiryThe factory directly supplies and ships products with guaranteed quality Package:It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg. Application:Used in multiple fiel
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Trading Company
inquirySuperior quality, moderate price & quick delivery. Appearance:white crystalline powder Storage:Sealed in a cool ,dry and microtherm place , avoid light . Package: 10g/bag, 100g/bag, 1kg/bag or as per your request Application:It is an important
Cas:356783-28-3
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryhigh purity Storage:normal temperature Package:DRUM Application:mainly for medical use for R&Dpurpose use only Transportation:AIR,SEA Port:BEIJING,SHANGHAI,TIANJIN,SHENZHEN
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryTAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Manufacturers
inquirybest seller Application:API
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryFactory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Trading Company
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirybest seller Application:API
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Trading Company
inquiry3,6-difluoropyrazine-2-carbonitrileAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:356783-28-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry3,6-dichloropyrazine-2-carbonitrile
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
With potassium fluoride; tetrabutylammomium bromide In dimethyl sulfoxide; toluene at 60℃; for 2.5h; | 92.3% |
With potassium fluoride In dimethyl sulfoxide at 60 - 90℃; Large scale; | 85% |
With tetrabutyl ammonium fluoride; tetrabutylammomium bromide at 60℃; for 3h; Reagent/catalyst; Temperature; Solvent; Sealed tube; | 62.37% |
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
With potassium fluoride In N,N-dimethyl-formamide at 80 - 85℃; for 20h; | 91.2% |
6-bromo-3-chloropyrazine-2-carbonitrile
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
With potassium fluoride; tetrabutylammomium bromide In dimethyl sulfoxide; toluene at 70 - 100℃; for 4h; | 49% |
With potassium fluoride; tetrabutylammomium bromide In dimethyl sulfoxide; toluene at 70 - 100℃; for 4h; | 49% |
With potassium fluoride; tetrabutylammomium bromide In dimethyl sulfoxide at 70 - 100℃; for 4h; | 49% |
With potassium fluoride; tetrabutylammomium bromide In dimethyl sulfoxide; toluene at 70 - 100℃; for 3h; | 49% |
6-fluoro-3-(phenylsulfonyl)-2-pyrazinecarbonitrile
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
With potassium fluoride; tetrabutylammomium bromide In water; dimethyl sulfoxide; ethyl acetate |
2-hydroxypyrazine-3-carboxamide
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: bromine / acetonitrile / 6 h / 0 - 40 °C 2.1: trichlorophosphate / chlorobenzene / 0.5 h / 60 °C 2.2: 2.67 h / 90 - 100 °C 3.1: potassium fluoride; tetrabutylammomium bromide / toluene; dimethyl sulfoxide / 2.5 h / 60 °C View Scheme | |
Multi-step reaction with 3 steps 1: tetrabutylammomium bromide; 2,6-dimethylpyridine / N,N-dimethyl-formamide / 17 h / 20 °C 2: trichlorophosphate; N-ethyl-N,N-diisopropylamine / chlorobenzene / 17 h / 0 - 100 °C 3: tetrabutylammomium bromide; potassium fluoride / dimethyl sulfoxide; toluene / 4 h / 70 - 100 °C View Scheme | |
Multi-step reaction with 3 steps 1: 2,6-dimethylpyridine; tetrabutylammomium bromide / N,N-dimethyl-formamide / 17 h / 20 °C 2: trichlorophosphate; N-ethyl-N,N-diisopropylamine / chlorobenzene / 17 h / 0 - 100 °C 3: potassium fluoride; tetrabutylammomium bromide / dimethyl sulfoxide; toluene / 4 h / 70 - 100 °C View Scheme |
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: trichlorophosphate / chlorobenzene / 0.5 h / 60 °C 1.2: 2.67 h / 90 - 100 °C 2.1: potassium fluoride; tetrabutylammomium bromide / toluene; dimethyl sulfoxide / 2.5 h / 60 °C View Scheme | |
Multi-step reaction with 2 steps 1: trichlorophosphate; N-ethyl-N,N-diisopropylamine / chlorobenzene / 17 h / 0 - 100 °C 2: potassium fluoride; tetrabutylammomium bromide / dimethyl sulfoxide; toluene / 4 h / 70 - 100 °C View Scheme | |
Multi-step reaction with 2 steps 1: trichlorophosphate; N-ethyl-N,N-diisopropylamine / water / 8 h / 60 - 100 °C 2: potassium fluoride; tetrabutylammomium bromide / toluene; dimethyl sulfoxide / 3 h / 55 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: trichlorophosphate / 0.25 h / 70 °C 1.2: 6 h / 20 - 100 °C 1.3: 1 h 2.1: potassium fluoride dihydrate; tetrabutylammomium bromide / dimethyl sulfoxide / 3 h / 50 °C View Scheme | |
Multi-step reaction with 2 steps 1: trichlorophosphate; N-ethyl-N,N-diisopropylamine / chlorobenzene / 17 h / 0 - 100 °C 2: potassium fluoride; tetrabutylammomium bromide / dimethyl sulfoxide; toluene / 3 h / 70 - 100 °C View Scheme |
2-pyrazine carbonitrile
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: acetic acid; dihydrogen peroxide / 22 h / -5 - 95 °C 2.1: trichlorophosphate / 1.83 h / 50 - 70 °C 2.2: 6 h / 96 °C 3.1: potassium fluoride; tetrabutylammomium bromide / dimethyl sulfoxide / 3 h / 55 °C / Sealed tube View Scheme |
1,4-dioxopyrazinamide
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: trichlorophosphate / 1.83 h / 50 - 70 °C 1.2: 6 h / 96 °C 2.1: potassium fluoride; tetrabutylammomium bromide / dimethyl sulfoxide / 3 h / 55 °C / Sealed tube View Scheme | |
Multi-step reaction with 2 steps 1.1: trichlorophosphate / chlorobenzene / 1.83 h / 50 - 70 °C 1.2: 8 h / 110 °C 2.1: tetrabutyl ammonium fluoride; tetrabutylammomium bromide / 3 h / 60 °C / Sealed tube View Scheme |
3-aminopyrazinoic acid
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: sulfuric acid / 20 °C / Cooling with ice 2: N-Bromosuccinimide / acetonitrile / 20 °C 3: sulfuric acid; sodium nitrite / 2 h / -5 - 20 °C 4: ammonium hydroxide / 3 h / 20 °C 5: trichlorophosphate; N-ethyl-N,N-diisopropylamine / water / 8 h / 60 - 100 °C 6: potassium fluoride; tetrabutylammomium bromide / toluene; dimethyl sulfoxide / 3 h / 55 °C View Scheme | |
Multi-step reaction with 6 steps 1.1: sulfuric acid / 48 h / Cooling with ice 2.1: N-Bromosuccinimide / acetonitrile / 24 h / 20 °C / Inert atmosphere 3.1: sulfuric acid; sodium nitrite / 2 h / -5 - 25 °C 3.2: 1.5 h 4.1: ammonium hydroxide / 3 h / 20 °C 5.1: trichlorophosphate / 0.25 h / 70 °C 5.2: 6 h / 20 - 100 °C 5.3: 1 h 6.1: potassium fluoride dihydrate; tetrabutylammomium bromide / dimethyl sulfoxide / 3 h / 50 °C View Scheme |
Methyl 3-amino-2-pyrazinecarboxylate
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: N-Bromosuccinimide / acetonitrile / 20 °C 2: sulfuric acid; sodium nitrite / 2 h / -5 - 20 °C 3: ammonium hydroxide / 3 h / 20 °C 4: trichlorophosphate; N-ethyl-N,N-diisopropylamine / water / 8 h / 60 - 100 °C 5: potassium fluoride; tetrabutylammomium bromide / toluene; dimethyl sulfoxide / 3 h / 55 °C View Scheme | |
Multi-step reaction with 5 steps 1.1: N-Bromosuccinimide / acetonitrile / 24 h / 20 °C / Inert atmosphere 2.1: sulfuric acid; sodium nitrite / 2 h / -5 - 25 °C 2.2: 1.5 h 3.1: ammonium hydroxide / 3 h / 20 °C 4.1: trichlorophosphate / 0.25 h / 70 °C 4.2: 6 h / 20 - 100 °C 4.3: 1 h 5.1: potassium fluoride dihydrate; tetrabutylammomium bromide / dimethyl sulfoxide / 3 h / 50 °C View Scheme |
methyl 3-amino-6-bromopyrazine-2-carboxylate
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sulfuric acid; sodium nitrite / 2 h / -5 - 20 °C 2: ammonium hydroxide / 3 h / 20 °C 3: trichlorophosphate; N-ethyl-N,N-diisopropylamine / water / 8 h / 60 - 100 °C 4: potassium fluoride; tetrabutylammomium bromide / toluene; dimethyl sulfoxide / 3 h / 55 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: sulfuric acid; sodium nitrite / 2 h / -5 - 25 °C 1.2: 1.5 h 2.1: ammonium hydroxide / 3 h / 20 °C 3.1: trichlorophosphate / 0.25 h / 70 °C 3.2: 6 h / 20 - 100 °C 3.3: 1 h 4.1: potassium fluoride dihydrate; tetrabutylammomium bromide / dimethyl sulfoxide / 3 h / 50 °C View Scheme |
3-hydroxy-6-bromopyrazine-2-carboxylic acid methyl ester
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ammonium hydroxide / 3 h / 20 °C 2: trichlorophosphate; N-ethyl-N,N-diisopropylamine / water / 8 h / 60 - 100 °C 3: potassium fluoride; tetrabutylammomium bromide / toluene; dimethyl sulfoxide / 3 h / 55 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: ammonium hydroxide / 3 h / 20 °C 2.1: trichlorophosphate / 0.25 h / 70 °C 2.2: 6 h / 20 - 100 °C 2.3: 1 h 3.1: potassium fluoride dihydrate; tetrabutylammomium bromide / dimethyl sulfoxide / 3 h / 50 °C View Scheme |
pyrazinamide
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: acetic acid; 3-chloro-benzenecarboperoxoic acid / ethyl acetate / 24 h / 0 - 20 °C 2.1: trichlorophosphate / chlorobenzene / 1.83 h / 50 - 70 °C 2.2: 8 h / 110 °C 3.1: tetrabutyl ammonium fluoride; tetrabutylammomium bromide / 3 h / 60 °C / Sealed tube View Scheme |
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine; phosphorus(V) oxybromide / chlorobenzene / 4 h / 0 °C / Reflux 2: potassium fluoride / N,N-dimethyl-formamide / 20 h / 80 - 85 °C View Scheme |
6-chloro-3-aminopyrazine-2-carbonitrile
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: titanium tetrachloride; tert.-butylnitrite / dichloromethane / 3 h / 0 - 20 °C 2: potassium fluoride; tetrabutylammomium bromide / dimethyl sulfoxide / 60 °C View Scheme |
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N-ethyl-N,N-diisopropylamine; trichlorophosphate / 1 h / 75 °C 2: potassium fluoride / dimethyl sulfoxide / 60 - 90 °C / Large scale View Scheme |
3,6-difluoropyrazine-2-carbonitrile
6-fluoro-3-hydroxy-2-cyanopyrazine
Conditions | Yield |
---|---|
With water; sodium acetate In dimethyl sulfoxide at 5 - 45℃; for 4h; Large scale; | 93% |
With water; sodium acetate In dimethyl sulfoxide; toluene at 50℃; for 7h; | |
With water; sodium acetate In 1,4-dioxane at 55℃; for 7h; | 3.26 g |
3,6-difluoropyrazine-2-carbonitrile
favipiravir
Conditions | Yield |
---|---|
Stage #1: 3,6-difluoropyrazine-2-carbonitrile With sodium acetate In tetrahydrofuran; water for 20h; Reflux; Stage #2: With dihydrogen peroxide; sodium hydroxide In water; toluene at 0 - 20℃; for 4h; | 89.6% |
Multi-step reaction with 2 steps 1.1: sodium acetate; water / toluene; dimethyl sulfoxide / 7 h / 50 °C 2.1: sulfuric acid / 4 h / 50 °C 2.2: 0.67 h / 3 - 10 °C 2.3: 0.75 h / 10 °C View Scheme | |
Multi-step reaction with 2 steps 1: hydrogenchloride / tetrahydrofuran / 1.5 h / 60 °C 2: sodium hydrogencarbonate / 1,4-dioxane; water / 8 h / 60 °C View Scheme |
3,6-difluoropyrazine-2-carbonitrile
3,6-difluoro-2-pyrazinecarboxamide
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran at 60℃; for 1.5h; | 75% |
In tetrahydrofuran; ethanol | |
With dihydrogen peroxide at 27℃; for 2h; | |
With dihydrogen peroxide In dimethyl sulfoxide; toluene at 27℃; for 2h; Reagent/catalyst; Cooling with ice; | |
With dihydrogen peroxide; potassium carbonate In water; dimethyl sulfoxide at 25℃; for 1.5h; Reagent/catalyst; |
3,6-difluoropyrazine-2-carbonitrile
2-[(2-hydroxybenzoyl)amino]ethan-1-amine
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 3h; | 59% |
3,6-difluoropyrazine-2-carbonitrile
propan-1-ol-3-amine
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 2h; | 56% |
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; sodium iodide In tetrahydrofuran at 150℃; for 2h; | 45% |
3,6-difluoropyrazine-2-carbonitrile
4-aminomethylphenol
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 3h; | 38% |
3,6-difluoropyrazine-2-carbonitrile
serinol
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 2h; | 19% |
3,6-difluoropyrazine-2-carbonitrile
6-fluoro-3-oxo-3,4-dihydro-2-pyrazinecarbonitrile
Conditions | Yield |
---|---|
With sodium chloride; sodium acetate In water; ethyl acetate; N,N-dimethyl-formamide |
3,6-difluoropyrazine-2-carbonitrile
3-(allyloxy)-6-fluoro-2-pyrazinecarbonitrile
Conditions | Yield |
---|---|
With sodium chloride; triethylamine In water; dimethyl sulfoxide; toluene |
3,6-difluoropyrazine-2-carbonitrile
3-azido-6-fluoro-2-pyrazinecarbonitrile
Conditions | Yield |
---|---|
With sodium chloride In water; N,N-dimethyl-formamide |
3,6-difluoropyrazine-2-carbonitrile
3-amino-6-fluoro-2-pyrazine-carbonitrile
Conditions | Yield |
---|---|
With ammonium hydroxide In 1,4-dioxane; ethanol; water |
3,6-difluoropyrazine-2-carbonitrile
6-fluoro-3-methoxy-2-pyrazinecarbonitrile
Conditions | Yield |
---|---|
With sodium methylate In methanol; water; ethyl acetate |
3,6-difluoropyrazine-2-carbonitrile
N-cyclohexyl-cyclohexanamine
dicyclohexylamine salt
Conditions | Yield |
---|---|
Stage #1: 3,6-difluoropyrazine-2-carbonitrile With acetic acid; triethylamine In N,N-dimethyl-formamide at 5 - 15℃; Stage #2: With ammonia In water pH=9.2; Stage #3: N-cyclohexyl-cyclohexanamine In water; acetone; toluene Product distribution / selectivity; |
3,6-difluoropyrazine-2-carbonitrile
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: triethylamine / dichloromethane / 2 h / 20 °C 2.1: potassium carbonate / dimethyl sulfoxide / 0.5 h / 10 °C 2.2: 2 h / 20 °C View Scheme |
3,6-difluoropyrazine-2-carbonitrile
2-[(2-hydroxybenzoyl)amino]ethan-1-amine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran / 3 h / 20 °C 2: dihydrogen peroxide; potassium carbonate / dimethyl sulfoxide / 4 h / 20 °C View Scheme |
3,6-difluoropyrazine-2-carbonitrile
4-aminomethylphenol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrahydrofuran / 3 h / 20 °C 2: dihydrogen peroxide; potassium carbonate / dimethyl sulfoxide / 2.5 h / 20 °C View Scheme |
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