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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

Pyrazine-2-carbaldehyde Manufacturer/High quality/Best price/In stock

Cas:5780-66-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 Pyrazine-2-Carbaldehyde

Cas:5780-66-5

Min.Order:1

Negotiable

Type:Other

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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% 5780-66-5? pyrazine-2-carbaldehyde? Manufacturer

Cas:5780-66-5

Min.Order:1 Gram

FOB Price: $0.1

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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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

Pharmaceutical Grade CAS 5780-66-5 with competitive price

Cas:5780-66-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

Pyrazine-2-carbaldehyde CAS:5780-66-5 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 i

Pyrazine-2-carbaldehyde CAS:5780-66-5

Cas:5780-66-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

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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

Pyrazine-2-Carbaldehyde

Cas:5780-66-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Pyrazine-2-carbaldehyde CAS NO.5780-66-5

Cas:5780-66-5

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

Pyrazine-2-carbaldehyde Pyrazine-2-carbaldehyde CAS Number: 5780-66-5 Molecular formula: C5H4N2O Molecular weight: 108.09800 Accurate quality: 108.03200 PSA: 42.85000 LogP: 0.28910 Physical and chemical properties Density:

5780-66-5

Cas:5780-66-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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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

Pyrazine-2-carbaldehydeCAS NO.: 5780-66-5

Cas:5780-66-5

Min.Order:1 Gram

FOB Price: $3.0

Type:Lab/Research institutions

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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-Pyrazinecarboxaldehyde

Cas:5780-66-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Trading Company

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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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Other

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Shanghai Finebiotech Co.,Ltd.

Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service

pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Trading Company

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Kono Chem Co.,Ltd

high 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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Other

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GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

2-Pyrazinecarboxaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec Pyrazine-2-Carboxaldehyde 5g

Cas:5780-66-5

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

2,5-DIMETHYL-3-FUROIC ACID

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Pyrazine-2-Carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Manufacturers

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Hubei Taiho Chemical Co.,LTD

TAIHO 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

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Manufacturers

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Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Other

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Antimex Chemical Limied

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

ethyl 4-[(4-ethoxycarbonylphenyl)iminomethylamino]benzoate

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hangzhou Ocean Chemical Co., Ltd.

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

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. Application:Chemical intermediate

Pyrazine-2-carbaldehyde

Cas:5780-66-5

Min.Order:0

Negotiable

Type:Trading Company

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Synthetic route

methyl pyrazine-2-carboxylate
6164-79-0

methyl pyrazine-2-carboxylate

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
Stage #1: methyl pyrazine-2-carboxylate With lithium aluminium tetrahydride In tetrahydrofuran at -78 - 72℃; for 0.333333h;
Stage #2: With hydrogenchloride; water
100%
With lithium aluminium tetrahydride In tetrahydrofuran at -83℃; for 2h;68%
With lithium aluminium tetrahydride In tetrahydrofuran at -78℃; for 1.83333h; Inert atmosphere; Schlenk technique;53.4%
2-formalpyrazine

2-formalpyrazine

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium acetate In ethanol at 50℃; for 2h; Temperature;96.8%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

A

2,5-pyrazine-dicarboxaldehyde
77666-94-5

2,5-pyrazine-dicarboxaldehyde

B

5-methyl-2-pyrazinecarboxaldehyde
50866-30-3

5-methyl-2-pyrazinecarboxaldehyde

C

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
With air; vanadia; molybdenum(VI) oxide In water for 2.77778E-05h; Product distribution; different ratio of V:Mo, different temperature, different time of contact;A 10%
B 21%
C n/a
With air; vanadia; molybdenum(VI) oxide In water at 360℃; for 2.77778E-05h;A 10%
B 21%
C n/a
2-Methylpyrazine
109-08-0

2-Methylpyrazine

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
With tert.-butylhydroperoxide; selenium(IV) oxide In 1,4-dioxane for 3h; Heating;11%
pyrazin-2-ylmethanol
6705-33-5

pyrazin-2-ylmethanol

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
With selenium(IV) oxide In 1,4-dioxane Heating;
With manganese(IV) oxide In acetone Sonication;
With Dess-Martin periodane In dichloromethane at 20℃; for 1h;100 mg
With 2,2'-azinobis(3-ethylbenzthiazolinesulfonate); horse-radish peroxidase; choline oxidase from Arthrobacter cholorphenolicus, mutant S101A/D250G/F253R/V355T/F357R/M359R In aq. phosphate buffer at 30℃; for 24h; pH=8; Catalytic behavior; Reagent/catalyst; Enzymatic reaction;
2-Methylpyrazine
109-08-0

2-Methylpyrazine

A

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

B

carbon oxides

carbon oxides

Conditions
ConditionsYield
β-VO(PO3)2 In gas at 400℃; Product distribution; Rate constant; selectivity of reaction, rates of partial and total oxidation;
2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 95 percent / conc. H2SO4 / 48 h / Heating
2: 26 percent / DIBAL / CH2Cl2
View Scheme
pyrazine carboxaldehyde diethyl acetal
67936-72-5

pyrazine carboxaldehyde diethyl acetal

N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
With sodium hydrogencarbonate In chloroform; Petroleum ether
2-Methylpyrazine
109-08-0

2-Methylpyrazine

A

2-methylpyrazine 4-oxide
25594-37-0

2-methylpyrazine 4-oxide

B

2-methylpyrazine 1-oxide
31396-35-7

2-methylpyrazine 1-oxide

C

2-pyrazylcarboxylic acid
98-97-5

2-pyrazylcarboxylic acid

D

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

E

pyrazine-2-carboxylic acid-4-oxide
874-54-4

pyrazine-2-carboxylic acid-4-oxide

F

pyrazine-2-carboxylic acid-1-oxide
32046-09-6

pyrazine-2-carboxylic acid-1-oxide

Conditions
ConditionsYield
With acetyl peroxyborate In water at 94.84℃; for 5h;A n/a
B n/a
C 56.3 mol %
D 4.5 mol %
E n/a
F n/a
With acetyl peroxyborate In water at 94.84℃; for 5h;A n/a
B n/a
C 28.5 mol %
D 41.2 mol %
E n/a
F n/a
2-Methylpyrazine
109-08-0

2-Methylpyrazine

acetic acid
64-19-7

acetic acid

A

acetate de (pyrazinyl-2) methyle
73763-94-7

acetate de (pyrazinyl-2) methyle

B

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
With copper(l) iodide; oxygen; palladium diacetate at 120℃; for 24h; Autoclave;
ethylenediamine
107-15-3

ethylenediamine

glycerol
56-81-5

glycerol

A

1,4-pyrazine
290-37-9

1,4-pyrazine

B

2-Methylpyrazine
109-08-0

2-Methylpyrazine

C

2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

D

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

E

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
With calcined ZnO-ZnCr2O4 catalyst In water at 300 - 400℃; under 760.051 Torr;
ethylenediamine
107-15-3

ethylenediamine

glycerol
56-81-5

glycerol

A

1,4-pyrazine
290-37-9

1,4-pyrazine

B

2-Methylpyrazine
109-08-0

2-Methylpyrazine

C

2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

D

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

E

pyrazin-2-ylmethanol
6705-33-5

pyrazin-2-ylmethanol

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

Conditions
ConditionsYield
In water at 375℃; under 760.051 Torr; for 6h; Inert atmosphere; Flow reactor;
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

2-aminomethylpyrazine
20010-99-5

2-aminomethylpyrazine

(E)-1-(pyrazin-2-yl)-N-(pyrazin-2-ylmethyl)methanimine

(E)-1-(pyrazin-2-yl)-N-(pyrazin-2-ylmethyl)methanimine

Conditions
ConditionsYield
Stage #1: pyrazinecarboxaldehyde; 2-aminomethylpyrazine In dichloromethane for 0.0833333h; Inert atmosphere;
Stage #2: With sodium sulfate In dichloromethane at 20℃; for 0.75h; Inert atmosphere; Darkness;
100%
(E)-(2-nitrovinyl)cyclohexane
50598-92-0, 132839-80-6

(E)-(2-nitrovinyl)cyclohexane

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

(S)-2-cyclohexyl-3-nitro-1-(pyrazin-2-yl)propan-1-one
1175052-23-9

(S)-2-cyclohexyl-3-nitro-1-(pyrazin-2-yl)propan-1-one

Conditions
ConditionsYield
With (5R,7R)-7-fluoro-5-isopropyl-2-(perfluorophenyl)-6,7-dihydro-5H-pyrrolo[2,1c][1,2,4]triazol-2-ium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In methanol at 0℃; Stetter reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction;99%
nitromethane
75-52-5

nitromethane

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

2-nitro-1-pyrazin-2-yl-ethanol
854928-19-1

2-nitro-1-pyrazin-2-yl-ethanol

Conditions
ConditionsYield
With triethylamine at 20℃; for 1h;93.3%
With potassium tert-butylate In tetrahydrofuran at 0 - 5℃; for 0.25h;64%
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

tert-butyl 4-(pyrazin-2-ylmethyl)piperazine-1-carboxylate
1402710-03-5

tert-butyl 4-(pyrazin-2-ylmethyl)piperazine-1-carboxylate

Conditions
ConditionsYield
With sodium triacetoxy borohydride; acetic acid In dichloromethane at 20℃; for 6.5h;91%
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

2-(difluoromethyl)pyrazine
111781-48-7

2-(difluoromethyl)pyrazine

Conditions
ConditionsYield
With XtalFluor-E; triethylamine tris(hydrogen fluoride) In dichloromethane at 20℃;90%
With (diethylamido)sulfur trifluoride In trichlorofluoromethane at 20℃;39%
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

toluene-4-sulfonic acid hydrazide
1576-35-8

toluene-4-sulfonic acid hydrazide

4-methyl-N'-(pyrazin-2-ylmethylene)benzenesulfonohydrazide

4-methyl-N'-(pyrazin-2-ylmethylene)benzenesulfonohydrazide

Conditions
ConditionsYield
In methanol at 60℃; for 0.5h;90%
(2-aminomethylpyridine)
3731-51-9

(2-aminomethylpyridine)

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

(2-picolyl)-(pyrazin-2-yl-methyl)amine
1084898-22-5

(2-picolyl)-(pyrazin-2-yl-methyl)amine

Conditions
ConditionsYield
Stage #1: 2-(Aminomethyl)pyridine; pyrazinecarboxaldehyde In methanol at 25℃; for 0.5h;
Stage #2: With sodium tetrahydroborate In methanol at 25℃; for 2h;
90%
3-methoxy-2-methylquinoline
84689-36-1

3-methoxy-2-methylquinoline

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

C16H13N3O

C16H13N3O

Conditions
ConditionsYield
With toluene-4-sulfonamide In toluene at 120℃; for 12h; Inert atmosphere;89%
8-methoxy-2-methylquinoline
3033-80-5

8-methoxy-2-methylquinoline

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

C16H13N3O

C16H13N3O

Conditions
ConditionsYield
With toluene-4-sulfonamide In toluene at 120℃; for 12h; Inert atmosphere;87%
t-butoxycarbonylhydrazine
870-46-2

t-butoxycarbonylhydrazine

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

tert-butyl N-[(E)-pyrazin-2-ylmethyleneamino]carbamate

tert-butyl N-[(E)-pyrazin-2-ylmethyleneamino]carbamate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 16h;87%
2-furanoic acid
88-14-2

2-furanoic acid

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

tert-butylisonitrile

4-tert-Butylaniline
769-92-6

4-tert-Butylaniline

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

N-tert-butyl-2-[N-(4-tert-butylphenyl)-1-(furan-2-yl)formamido]-2-(pyrazin-2-yl)acetamide
1417700-04-9

N-tert-butyl-2-[N-(4-tert-butylphenyl)-1-(furan-2-yl)formamido]-2-(pyrazin-2-yl)acetamide

Conditions
ConditionsYield
Stage #1: 4-tert-Butylaniline; pyrazinecarboxaldehyde In methanol at 20℃; for 0.5h; Ugi Condensation; Inert atmosphere;
Stage #2: 2-furanoic acid; tert-butylisonitrile In methanol at 20℃; Ugi Condensation; Inert atmosphere;
86%
In methanol at 20℃; for 16h; Ugi Condensation;
6-methoxyquinaldine
1078-28-0

6-methoxyquinaldine

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

C16H13N3O

C16H13N3O

Conditions
ConditionsYield
With toluene-4-sulfonamide In toluene at 120℃; for 12h; Inert atmosphere;85%
4-methoxy-2-methyl-quinoline
31835-53-7

4-methoxy-2-methyl-quinoline

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

C16H13N3O

C16H13N3O

Conditions
ConditionsYield
With toluene-4-sulfonamide In toluene at 120℃; for 12h; Inert atmosphere;83%
2-furanoic acid
88-14-2

2-furanoic acid

4-Aminobiphenyl
92-67-1

4-Aminobiphenyl

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

2-(N-{[1,1′-biphenyl]-4-yl}-1-(furan-2-yl)formamido)-N-[(1S)1-phenylethyl]-2-(pyrazin-2-yl)acetamide

2-(N-{[1,1′-biphenyl]-4-yl}-1-(furan-2-yl)formamido)-N-[(1S)1-phenylethyl]-2-(pyrazin-2-yl)acetamide

Conditions
ConditionsYield
Stage #1: 4-phenylalanine; pyrazinecarboxaldehyde In methanol at 20℃; for 0.5h; Ugi Condensation; Inert atmosphere;
Stage #2: 2-furanoic acid; (S)-1-isocyano-1-phenylethane In methanol at 20℃; Ugi Condensation; Inert atmosphere;
83%
[2-(3-bromo-benzo[b]thiophen-2-yl)-ethyl]dimethyl-amine
873692-91-2

[2-(3-bromo-benzo[b]thiophen-2-yl)-ethyl]dimethyl-amine

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

trifluoroacetic acid
76-05-1

trifluoroacetic acid

[2-(2-dimethylamino-ethyl)-benzo[b]thiophen-3-yl]-pyrazin-2-yl-methanol trifluoroacetate
1186219-29-3

[2-(2-dimethylamino-ethyl)-benzo[b]thiophen-3-yl]-pyrazin-2-yl-methanol trifluoroacetate

Conditions
ConditionsYield
Stage #1: [2-(3-bromo-benzo[b]thiophen-2-yl)-ethyl]dimethyl-amine With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In hexane; toluene at -78℃;
Stage #2: pyrazinecarboxaldehyde In hexane; toluene at -78 - 0℃;
Stage #3: trifluoroacetic acid In water; acetonitrile
82%
5-methoxy-2-methylquinoline
79205-04-2

5-methoxy-2-methylquinoline

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

C16H13N3O

C16H13N3O

Conditions
ConditionsYield
With toluene-4-sulfonamide In toluene at 120℃; for 12h; Inert atmosphere;82%
6-bromoquinoline-2,4-diol

6-bromoquinoline-2,4-diol

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

6-bromo-3-(pyrazin-2-ylmethyl)quinoline-2,4-diol

6-bromo-3-(pyrazin-2-ylmethyl)quinoline-2,4-diol

Conditions
ConditionsYield
With pyridine; diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate at 100℃; for 4h; Knoevenagel Condensation;82%
7-methoxy-2-methylquinoline
19490-87-0

7-methoxy-2-methylquinoline

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

C16H13N3O

C16H13N3O

Conditions
ConditionsYield
With toluene-4-sulfonamide In toluene at 120℃; for 12h; Inert atmosphere;80%
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

dimethyl 2-(pyrazin-2-ylmethylene)malonate

dimethyl 2-(pyrazin-2-ylmethylene)malonate

Conditions
ConditionsYield
With piperidine; acetic acid In toluene at 110℃; for 18h; Inert atmosphere; Schlenk technique; Sealed tube;80%
allyltriphenylphosphonium bromide
1560-54-9

allyltriphenylphosphonium bromide

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

2-(buta-1,3-dien-1-yl)pyrazine

2-(buta-1,3-dien-1-yl)pyrazine

Conditions
ConditionsYield
Stage #1: allyltriphenylphosphonium bromide In tetrahydrofuran; hexane at 0℃; for 0.25h; Inert atmosphere;
Stage #2: pyrazinecarboxaldehyde In tetrahydrofuran; hexane for 1h; Inert atmosphere;
79%
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

benzylamine
100-46-9

benzylamine

C12H13N3

C12H13N3

Conditions
ConditionsYield
With sodium cyanoborohydride; acetic acid at 100℃; for 14h; Flow reactor;76%
4-[3-fluoro-4-(methylsulfanyl)phenyl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-one
1080061-14-8

4-[3-fluoro-4-(methylsulfanyl)phenyl]-5-(tetrahydro-2H-pyran-4-yl)pent-1-en-3-one

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

5-[3-fluoro-4-(methylsulfanyl)phenyl]-1-(pyrazin-2-yl)-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione
1080061-16-0

5-[3-fluoro-4-(methylsulfanyl)phenyl]-1-(pyrazin-2-yl)-6-(tetrahydro-2H-pyran-4-yl)hexane-1,4-dione

Conditions
ConditionsYield
With 3-benzyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazol-3-ium chloride; triethylamine In ethanol for 2h; Reflux;75%
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

1,2-di(pyrazin-2-yl)ethene-1,2-diol
93691-18-0

1,2-di(pyrazin-2-yl)ethene-1,2-diol

Conditions
ConditionsYield
With potassium cyanide In water at 20℃; for 1h;73%
phenylmagnesium chloride
100-59-4

phenylmagnesium chloride

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

(α-hydroxybenzyl)pyrazine
98792-43-9

(α-hydroxybenzyl)pyrazine

Conditions
ConditionsYield
In tetrahydrofuran at -78 - 20℃; for 0.25h;73%
pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

(R)-2-methylpropane-2-sulfinamide
196929-78-9

(R)-2-methylpropane-2-sulfinamide

(R,E)-2-methyl-N-(pyrazin-2-ylmethylene)propane-2-sulfinamide
1421236-66-9

(R,E)-2-methyl-N-(pyrazin-2-ylmethylene)propane-2-sulfinamide

Conditions
ConditionsYield
With caesium carbonate In dichloromethane at 20℃; Inert atmosphere;72%
4,4'-diamino diphenyl methane
101-77-9

4,4'-diamino diphenyl methane

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

C22H17N7

C22H17N7

Conditions
ConditionsYield
In ethanol at 20℃; for 24h;71%
rhodanine 3-acetic acid
5718-83-2

rhodanine 3-acetic acid

pyrazinecarboxaldehyde
5780-66-5

pyrazinecarboxaldehyde

[(5Z)-4-oxo-5-(pyrazin-2-ylmethylene)-2-thioxo-1,3-thiazolidin-3-yl]acetic acid

[(5Z)-4-oxo-5-(pyrazin-2-ylmethylene)-2-thioxo-1,3-thiazolidin-3-yl]acetic acid

Conditions
ConditionsYield
With sodium acetate; acetic anhydride; acetic acid for 3h; Reflux;71%

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