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Tengzhou Runlong Fragrance Co., Ltd.

1、Our factory passed ISO 9001, ISO 14001, ISO 22000 system certification; HALAL 、KOSHER、FCC AND FDA certificate are available. We can provide customers with better prices, and the supply is stable. 2、We founded in 2004,10% of the staff have more tha

Food flavor FEMA 3271 2,3-dimethylpyrazine CAS NO 5910-89-4

Cas:5910-89-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem 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

2,3-Dimethylpyrazine Manufacturer/High quality/Best price/In stock

Cas:5910-89-4

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 2,3-Dimethylpyrazine supplier in China

Cas:5910-89-4

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product description: Product name 2,3-Dimethylpyrazine CAS number 5910-89-4 Assay ≥99% Appearance Colorless to yellowish transparent liquid Capacity 200mt/year Application Da

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:10 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality 2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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

2,3-Dimethyl pyrazine

Cas:5910-89-4

Min.Order:1 Metric Ton

Negotiable

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

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: 2,3-Dimethylpyrazine Synonyms: 2,3-Dimethylpyrazine ,98%;2,3-Dimethylpyrazine >=99.0%;2,3-diMethyl-1$l^{5},4-pyrazin-1-yliuM-1-yl;2,3-DIMETHYLPYRAZINE FOR SYNTHESIS;2,3-Dimethylpyrazine 2,3-Dimethyl pyrazine;2,3-dimethyl-pyrazin;2

2,3-Dimethylpyrazine 5910-89-4

Cas:5910-89-4

Min.Order:1 Metric Ton

FOB Price: $500.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Gram

FOB Price: $1.0 / 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

Standard CAS 5910-89-4 with competitive price

Cas:5910-89-4

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

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

2,3-Dimethylpyrazine CAS5910-89-4

Cas:5910-89-4

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

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

2,3-DimethylpyrazineCAS NO.:5910-89-4

Cas:5910-89-4

Min.Order:1 Kilogram

FOB Price: $3.0

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

2,3-Dimethylpyrazine 5910-89-4

Cas:5910-89-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Qingdao Beluga Import and Export Co., LTD

2,3-Dimethylpyrazine CAS:5910-89-4 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 high quality organic inter

2,3-Dimethylpyrazine CAS:5910-89-4

Cas:5910-89-4

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

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

2,3-Dimethylpyrazine CAS NO.5910-89-4 CAS NO.5910-89-4

Cas:5910-89-4

Min.Order:20 Metric Ton

Negotiable

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

2,3-Dimethylpyrazine CAS:5910-89-4 Specification Product name 2,3-Dimethylpyrazine CAS number 5910-89-4 Assay ≥99% Appearance Colorless to yellowish transparent liquid Capacity

Factory Supply 2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Kilogram

Negotiable

Type:Other

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

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS5910-89-4 2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

2,3-Dimethyl pyrazine

Cas:5910-89-4

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

JINING XINHE CHEMICAL CO., LTD

Advantage 1: The product passed the professional production process and quality inspection, the purity is 99% +. 2: Highly qualified engineers to provide technical documents and service. 3: We could provide sample for your test. 4: High qualit

2,3-dimethylpyrazine5910-89-4

Cas:5910-89-4

Min.Order:1 Kilogram

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

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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 2,3-dimethylpyrazine

Cas:5910-89-4

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

High quality 2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:clear yellow to orange liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:For medicine , pes

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Siwei Development Group Ltd.

Product name: 2,3-Diemthylpyrazine CAS No.:5910-89-4 Molecule Formula:C6H8N2 Molecule Weight:108.14 Purity: 99.0% Package: 25kg/drum Description:Clear colorless to slightly yellow liquid Manufacture Standards:Enterprise Standard

Best Quality 2,3-Diemthylpyrazine with good supplier

Cas:5910-89-4

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,

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sinotech Import&Export Corporation

Product Name: 2,3-Dimethylpyrazine Synonyms: 2,3-Dimethylpyrazine ,98%;2,3-Dimethylpyrazine >=99.0%;2,3-diMethyl-1$l^{5},4-pyrazin-1-yliuM-1-yl;2,3-DIMETHYLPYRAZINE FOR SYNTHESIS;2,3-Dimethylpyrazine 2,3-Dimethyl pyrazine;2

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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,

2,3-Dimethylpyrazine

Cas:5910-89-4

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Synthetic route

ethylenediamine
107-15-3

ethylenediamine

dimethylglyoxal
431-03-8

dimethylglyoxal

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

Conditions
ConditionsYield
With γ-maghemite-silica nanocomposite In neat (no solvent) at 55℃; for 6h; Green chemistry;94%
With diethyl ether at 0℃; Erwaermen des Reaktionsprodukts und Oxydation des erhaltenen 2.3-Dimethyl-5.6-dihydro-pyrazins mit Fehlingscher Loesung;
5,6-dimethyl-2,3-pyrazinedicarboxylic acid
41110-52-5

5,6-dimethyl-2,3-pyrazinedicarboxylic acid

acetic acid
64-19-7

acetic acid

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

Conditions
ConditionsYield
at 180℃;
2,3-dimethyl-piperazine
57193-34-7, 57193-35-8, 84468-52-0

2,3-dimethyl-piperazine

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

Conditions
ConditionsYield
With aluminum oxide; copper oxide-chromium oxide silicon dioxide aluminium oxide catalyst; water; silica gel at 350 - 400℃;
5,6-dimethyl-2,3-pyrazinedicarboxylic acid
41110-52-5

5,6-dimethyl-2,3-pyrazinedicarboxylic acid

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

Conditions
ConditionsYield
In acetic acid at 200℃; for 1h; Yield given;
2-<2-Hydroxy-2-(p-methoxyphenyl)ethyl>-3-methylpyrazine
72725-81-6

2-<2-Hydroxy-2-(p-methoxyphenyl)ethyl>-3-methylpyrazine

A

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

B

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

Conditions
ConditionsYield
In diethylene glycol dimethyl ether at 170℃; Rate constant;
5.6-dimethyl-pyrazine-dicarboxylic acid-(2.3)

5.6-dimethyl-pyrazine-dicarboxylic acid-(2.3)

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

Conditions
ConditionsYield
With acetic acid at 180℃; im Rohr;
D-Glucose
2280-44-6

D-Glucose

L-leucine
61-90-5

L-leucine

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

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

F

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

G

var. alkyl substituted pyrazines

var. alkyl substituted pyrazines

Conditions
ConditionsYield
With ammonium hydroxide In glycerol at 120℃; for 4h; Product distribution; var. times, solvents, temp., and ratios of reactants, also without leucine;
D-glucose
50-99-7

D-glucose

H-Lys-Lys-OH hydrochloride
134276-45-2

H-Lys-Lys-OH hydrochloride

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

I

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
H-Lys-Lys-OH hydrochloride
134276-45-2

H-Lys-Lys-OH hydrochloride

2-oxopropanal
78-98-8

2-oxopropanal

A

2-Methylpyrazine
109-08-0

2-Methylpyrazine

B

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

2,5-dimethyl-pyrazine

C

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

D

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

E

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

F

3,5-dimethyl-2-(Z-1-propenyl)-pyrazine
55138-74-4

3,5-dimethyl-2-(Z-1-propenyl)-pyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

I

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
D-glucose
50-99-7

D-glucose

LysAla*hydrobromide
410538-35-1

LysAla*hydrobromide

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

I

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
LysAla*hydrobromide
410538-35-1

LysAla*hydrobromide

2-oxopropanal
78-98-8

2-oxopropanal

A

2-Methylpyrazine
109-08-0

2-Methylpyrazine

B

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

2,5-dimethyl-pyrazine

C

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

D

Tetramethylpyrazine
1124-11-4

Tetramethylpyrazine

E

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

I

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
D-glucose
50-99-7

D-glucose

LysLeu*acetate
103404-72-4

LysLeu*acetate

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

I

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

J

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
LysLeu*acetate
103404-72-4

LysLeu*acetate

2-oxopropanal
78-98-8

2-oxopropanal

A

2-Methylpyrazine
109-08-0

2-Methylpyrazine

B

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

2,5-dimethyl-pyrazine

C

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

D

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

E

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

F

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

G

2,3,5-trimethyl-6-ethylpyrazine
17398-16-2

2,3,5-trimethyl-6-ethylpyrazine

H

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

I

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

J

2,5-dimethyl-3-propylpyrazine
18433-97-1

2,5-dimethyl-3-propylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
D-glucose
50-99-7

D-glucose

LysSer*hydrochloride
275366-32-0

LysSer*hydrochloride

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

I

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

J

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
LysSer*hydrochloride
275366-32-0

LysSer*hydrochloride

2-oxopropanal
78-98-8

2-oxopropanal

A

2-Methylpyrazine
109-08-0

2-Methylpyrazine

B

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

2,5-dimethyl-pyrazine

C

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

D

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

E

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

F

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

G

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

H

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

I

1-(5-methylpyrazin-2-yl)ethanone
22047-27-4

1-(5-methylpyrazin-2-yl)ethanone

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
D-glucose
50-99-7

D-glucose

Lys-Cys
106325-92-2

Lys-Cys

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

I

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
Lys-Cys
106325-92-2

Lys-Cys

2-oxopropanal
78-98-8

2-oxopropanal

A

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

2,5-dimethyl-pyrazine

B

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

C

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

D

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

E

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

F

2,3,5-trimethyl-6-ethylpyrazine
17398-16-2

2,3,5-trimethyl-6-ethylpyrazine

G

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

H

1-(6-methyl-2-pyrazinyl)-1-ethanone
22047-26-3

1-(6-methyl-2-pyrazinyl)-1-ethanone

I

1-(5-methylpyrazin-2-yl)ethanone
22047-27-4

1-(5-methylpyrazin-2-yl)ethanone

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-alanin
56-41-7

L-alanin

L-lysine
56-87-1

L-lysine

D-glucose
50-99-7

D-glucose

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

I

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

J

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-alanin
56-41-7

L-alanin

L-lysine
56-87-1

L-lysine

2-oxopropanal
78-98-8

2-oxopropanal

A

2-Methylpyrazine
109-08-0

2-Methylpyrazine

B

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

2,5-dimethyl-pyrazine

C

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

D

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

E

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

F

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

G

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

H

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

I

1-(6-methyl-2-pyrazinyl)-1-ethanone
22047-26-3

1-(6-methyl-2-pyrazinyl)-1-ethanone

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-serin
56-45-1

L-serin

L-lysine
56-87-1

L-lysine

D-glucose
50-99-7

D-glucose

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

acetylpyrazine
22047-25-2

acetylpyrazine

F

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

G

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

H

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

I

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

J

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-serin
56-45-1

L-serin

L-lysine
56-87-1

L-lysine

2-oxopropanal
78-98-8

2-oxopropanal

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

I

1-(5-methylpyrazin-2-yl)ethanone
22047-27-4

1-(5-methylpyrazin-2-yl)ethanone

J

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-Cysteine
52-90-4

L-Cysteine

L-lysine
56-87-1

L-lysine

D-glucose
50-99-7

D-glucose

A

1,4-pyrazine
290-37-9

1,4-pyrazine

B

2-Methylpyrazine
109-08-0

2-Methylpyrazine

C

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

D

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

E

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

F

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-leucine
61-90-5

L-leucine

L-lysine
56-87-1

L-lysine

D-glucose
50-99-7

D-glucose

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

Tetramethylpyrazine
1124-11-4

Tetramethylpyrazine

F

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

G

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

H

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

I

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

J

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-leucine
61-90-5

L-leucine

L-lysine
56-87-1

L-lysine

2-oxopropanal
78-98-8

2-oxopropanal

A

2-Methylpyrazine
109-08-0

2-Methylpyrazine

B

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

2,5-dimethyl-pyrazine

C

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

D

Tetramethylpyrazine
1124-11-4

Tetramethylpyrazine

E

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3-dimethyl-5-(Z-1-propenyl)-pyrazine
55138-72-2

2,3-dimethyl-5-(Z-1-propenyl)-pyrazine

H

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

I

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-lysine
56-87-1

L-lysine

L-glutamic acid
56-86-0

L-glutamic acid

D-glucose
50-99-7

D-glucose

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

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

F

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

G

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

H

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

I

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

J

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-lysine
56-87-1

L-lysine

L-glutamic acid
56-86-0

L-glutamic acid

2-oxopropanal
78-98-8

2-oxopropanal

A

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

2,5-dimethyl-pyrazine

B

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

C

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

D

2,3-dimethyl-5-(Z-1-propenyl)-pyrazine
55138-72-2

2,3-dimethyl-5-(Z-1-propenyl)-pyrazine

E

3,5-dimethyl-2-(Z-1-propenyl)-pyrazine
55138-74-4

3,5-dimethyl-2-(Z-1-propenyl)-pyrazine

F

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

G

2,3,5-trimethyl-6-ethylpyrazine
17398-16-2

2,3,5-trimethyl-6-ethylpyrazine

H

1-(5-methylpyrazin-2-yl)ethanone
22047-27-4

1-(5-methylpyrazin-2-yl)ethanone

I

2,3-dimethyl-5-ethylpyrazine
15707-34-3

2,3-dimethyl-5-ethylpyrazine

J

2,5-dimethyl-3-propylpyrazine
18433-97-1

2,5-dimethyl-3-propylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-lysine
56-87-1

L-lysine

D-glucose
50-99-7

D-glucose

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

acetylpyrazine
22047-25-2

acetylpyrazine

F

2-ethyl-3,6-dimethylpyrazine
13360-65-1

2-ethyl-3,6-dimethylpyrazine

G

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

H

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

I

2-ethyl-3,5-dimethylpyrazine
13925-07-0

2-ethyl-3,5-dimethylpyrazine

J

2-ethyl-5-methypyrazine
13360-64-0

2-ethyl-5-methypyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
L-lysine
56-87-1

L-lysine

D-glucose
50-99-7

D-glucose

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

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

F

2,3,5-trimethylpyrazine
14667-55-1

2,3,5-trimethylpyrazine

G

3-ethenyl-2,5-dimethylpyrazine
80935-98-4

3-ethenyl-2,5-dimethylpyrazine

H

2-ethyl-6-methylpyrazine
13925-03-6

2-ethyl-6-methylpyrazine

Conditions
ConditionsYield
In water at 130℃; for 2h; pH=8; Maillard reaction;
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

bis(pinacol)diborane
73183-34-3

bis(pinacol)diborane

2,3-dimethyl-1,4-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,4-dihydropyrazine

2,3-dimethyl-1,4-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,4-dihydropyrazine

Conditions
ConditionsYield
With pyridine-4-carbonitrile In benzene-d6 at 20℃; for 12h; Kinetics; Mechanism; Reagent/catalyst; Solvent; Temperature; Time; Inert atmosphere; Schlenk technique;100%
With 2,6-dichloro-4,4’-bipyridine In cyclohexane at 60℃; for 16h; Reagent/catalyst; Solvent; Temperature; Glovebox; Inert atmosphere;84%
In pentane N2; ligand and B compd. (1.1:1 molar ratio) stirred at room temp. for 2 h;0%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

triethylsilane
617-86-7

triethylsilane

2-triethylsilyl-4,5-dimethylpyrazine

2-triethylsilyl-4,5-dimethylpyrazine

Conditions
ConditionsYield
With (1,5-cyclooctadiene)(methoxy)iridium(I) dimer; 3,4,7,8-Tetramethyl-o-phenanthrolin; norbornene In di-isopropyl ether at 100℃; for 48h; Inert atmosphere; Glovebox;97%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

copper(II) perchlorate hexahydrate

copper(II) perchlorate hexahydrate

sodium thiocyanide
540-72-7

sodium thiocyanide

2,3-dimethylpyrazinobisthiocyanatodicopper(I)

2,3-dimethylpyrazinobisthiocyanatodicopper(I)

Conditions
ConditionsYield
In water addn. of an aq. soln. of Cu(ClO4)2*6H2O to an aq. soln. of 2,3-dimethylpyrazine, addn. of an aq. soln. of NaSCN to the mixt. and stirring; filtration of the yellow solid and washing with water and acetone;91%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

dichloro-bis(triethylphosphine)-di-μ-chloro-diplatinum(II)

dichloro-bis(triethylphosphine)-di-μ-chloro-diplatinum(II)

trans-{PtCl2(triethylphosphine)}2(2,3-dimethylpyrazine)
118515-83-6

trans-{PtCl2(triethylphosphine)}2(2,3-dimethylpyrazine)

Conditions
ConditionsYield
In chloroform-d1 ligand and Pt complex (1:2 mol) in CDCl3 (or CD2Cl2) were stirred for 5 min; floating layer of hexane over soln.; elem. anal.;90%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

2,3-dimethyl-1,4-diazine N-oxide
65464-21-3

2,3-dimethyl-1,4-diazine N-oxide

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 16h;88%
With dihydrogen peroxide; methyltrioxorhenium(VII) In dichloromethane at 20℃;85%
With sodium perborate; acetic acid at 80℃; for 5h;47%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

2,3-dicarboxypyrazine
89-01-0

2,3-dicarboxypyrazine

silver nitrate

silver nitrate

[Ag2(Hpyzdc)2(μ-dmpyz)]

[Ag2(Hpyzdc)2(μ-dmpyz)]

Conditions
ConditionsYield
With sodium hydroxide In water pH=7;88%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

2,3-dimethylpyrazine-N,N'-dioxide
38870-37-0

2,3-dimethylpyrazine-N,N'-dioxide

Conditions
ConditionsYield
With Oxone In dichloromethane at 25℃; for 24h;87.7%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

copper(I) bromide
7787-70-4

copper(I) bromide

poly[μ2-bromo-μ2-2,3-dimethylpyrazine-N,N'-copper(I)]
336881-20-0

poly[μ2-bromo-μ2-2,3-dimethylpyrazine-N,N'-copper(I)]

Conditions
ConditionsYield
In acetonitrile CuBr and 2,3-dimethylpyrazine (3-fold excess) in MeCN stirred at room temp. for 1 d; ppt. filtered off, washed with Et2O; elem. anal.;86.5%
In acetonitrile CuBr and 2,3-dimethylpyrazine (1:1.1 mol) in MeCN were mixed; filtered off after 2 d; washed (EtOH, Et2O);
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

chlorodicyclohexylphosphane
16523-54-9

chlorodicyclohexylphosphane

2,3-bis((dicyclohexylphosphino)methyl)pyrazine

2,3-bis((dicyclohexylphosphino)methyl)pyrazine

Conditions
ConditionsYield
Stage #1: 2,3-dimethylpyrazine With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In diethyl ether; hexane at -78 - 80℃; Inert atmosphere;
Stage #2: chlorodicyclohexylphosphane In diethyl ether at -78 - 20℃; Inert atmosphere;
86%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

copper(l) cyanide

copper(l) cyanide

poly[(tri-μ2-cyano-C,N)-bis(μ2-2,3-dimethyl-pyrazine-N,N)]tricopper(I)

poly[(tri-μ2-cyano-C,N)-bis(μ2-2,3-dimethyl-pyrazine-N,N)]tricopper(I)

Conditions
ConditionsYield
In acetonitrile CuCN and ligand stirred in MeCN at room temp. for 3 d or without stirring for 7 d; filtered, washed with EtOH and Et2O; elem. anal.;85.3%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

silver hexafluoroantimonate

silver hexafluoroantimonate

2Ag(1+)*3C4H2N2(CH3)2*2SbF6(1-) = [Ag2(C4H2N2(CH3)2)3](SbF6)2

2Ag(1+)*3C4H2N2(CH3)2*2SbF6(1-) = [Ag2(C4H2N2(CH3)2)3](SbF6)2

Conditions
ConditionsYield
In ethanol; dichloromethane layering EtOH over a soln. of the ligand in CH2Cl2, then layering a soln. of the Ag salt in EtOH; crystn. with some d;85%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

dodecatungstosilic acid

dodecatungstosilic acid

copper(II) nitrate trihydrate

copper(II) nitrate trihydrate

([Cu(2,3-dimethylpyrazine)1.5]4(SiW12O40))n

([Cu(2,3-dimethylpyrazine)1.5]4(SiW12O40))n

Conditions
ConditionsYield
With NaOH In water High Pressure; dissolving tungsten compd., pyrazine deriv. and copper compd. in distld.water at room temp., adjusting pH to 3-4 by 1 M NaOH, heating at 180.de gree.C for 34 h, cooling to 100°C at rate of 10 °C/h, heating at 100°C for 16 h; cooling to room temp. at rate of 3 °C/h, isolating crystals, elem. anal.;85%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

4-methoxycarbonylphenyl bromide
619-42-1

4-methoxycarbonylphenyl bromide

(Z)-1-(4-bromophenyl)-2-(3-methylpyrazin-2-yl)ethen-1-ol

(Z)-1-(4-bromophenyl)-2-(3-methylpyrazin-2-yl)ethen-1-ol

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran; mineral oil at 60℃; for 16h;84%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

4-hydroxyisophthalic acid
636-46-4

4-hydroxyisophthalic acid

2C8H6O5*C6H8N2

2C8H6O5*C6H8N2

Conditions
ConditionsYield
In methanol at 20℃; for 336h;84%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

trifluoromethylsulfonic anhydride
358-23-6

trifluoromethylsulfonic anhydride

triphenylphosphine
603-35-0

triphenylphosphine

(5,6-dimethylpyrazin-2-yl)triphenylphosphonium trifluoromethanesulfonate

(5,6-dimethylpyrazin-2-yl)triphenylphosphonium trifluoromethanesulfonate

Conditions
ConditionsYield
Stage #1: 2,3-dimethylpyrazine; trifluoromethylsulfonic anhydride In dichloromethane at -78℃; for 0.5h; Inert atmosphere;
Stage #2: triphenylphosphine In dichloromethane at -78℃; for 0.5h; Inert atmosphere;
Stage #3: With triethylamine In dichloromethane at -78 - 20℃; Inert atmosphere;
83%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

rhodium(II) benzoate

rhodium(II) benzoate

[Rh2(benzoato)4(2,3-dimethylpyrazine)](n)

[Rh2(benzoato)4(2,3-dimethylpyrazine)](n)

Conditions
ConditionsYield
In acetonitrile a soln. of Rh complex allowed to stand at room temp. with a ligand vaporfor 1 mo; filtered, washed (MeOH), air-dried; elem. anal.;82%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

2,2-difluoro-2-(4-methoxyphenyl)acetic acid
1027513-97-8

2,2-difluoro-2-(4-methoxyphenyl)acetic acid

5-(difluoro(4-methoxyphenyl)methyl)-2,3-dimethylpyrazine

5-(difluoro(4-methoxyphenyl)methyl)-2,3-dimethylpyrazine

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate In dichloromethane; water at 50℃; for 24h; Minisci Aromatic Substitution; Inert atmosphere; Sealed tube; regioselective reaction;81%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

sodium azide

sodium azide

manganese (II) nitrate tetrahydrate

manganese (II) nitrate tetrahydrate

[Mn(N3)2(H2O)2](n)(2,3-dimethylpyrazine)(n)

[Mn(N3)2(H2O)2](n)(2,3-dimethylpyrazine)(n)

Conditions
ConditionsYield
In further solvent(s) Mn salt, NaN3 and 2,3-dimethylpyrazine dissolved in aq. hydrazoic acid; cooled slowly to 4°C for 3 d; elem. anal.;80%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

methyl iodide
74-88-4

methyl iodide

1,2,3-trimethylpyrazinium iodide
91468-09-6

1,2,3-trimethylpyrazinium iodide

Conditions
ConditionsYield
In ethanol79.3%
for 2h; Heating;63%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

2,3-dimethylpiperazine
84468-52-0

2,3-dimethylpiperazine

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrogen In ethanol at 40℃; for 72h;79.2%
With hydrogen; palladium 10% on activated carbon In ethanol under 2844.39 - 3102.97 Torr; for 72h;
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

benzene-1,3,5-tricarboxylic acid
554-95-0

benzene-1,3,5-tricarboxylic acid

water
7732-18-5

water

silver(l) oxide
20667-12-3

silver(l) oxide

[Ag6(2,3-dimethylpyrazine)2(trimesic acid(-3H))2·5(water)]n

[Ag6(2,3-dimethylpyrazine)2(trimesic acid(-3H))2·5(water)]n

Conditions
ConditionsYield
With ammonium hydroxide In N,N-dimethyl-formamide Sonication;79%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

salicylic acid
69-72-7

salicylic acid

C7H6O3*0.5C6H8N2

C7H6O3*0.5C6H8N2

Conditions
ConditionsYield
In water; acetone for 0.333333h;79%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

6-aminonaphthalene-1-sulfonic acid
81-05-0

6-aminonaphthalene-1-sulfonic acid

water
7732-18-5

water

silver carbonate

silver carbonate

[Ag(6-amino-1-naphthalenesulfonato)(2,3-dimethylpyrazine)]*1.5H2O

[Ag(6-amino-1-naphthalenesulfonato)(2,3-dimethylpyrazine)]*1.5H2O

Conditions
ConditionsYield
With NH3 In water byproducts: CO2; Ag2CO3 added to an aq. soln. of 6-amino-1-naphthalenesulfonic acid, stirred, (CH3)2C4H2N2 added, stirred, an aq. soln. of NH3 added dropwise; crystd. at room temp.; elem. anal.;78%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

isophthalic acid
121-91-5

isophthalic acid

silver(l) oxide
20667-12-3

silver(l) oxide

[Ag4(2,3-dimethylpyrazine)2(m-phthalate)2]n

[Ag4(2,3-dimethylpyrazine)2(m-phthalate)2]n

Conditions
ConditionsYield
With ammonium hydroxide In ethanol; N,N-dimethyl-formamide Sonication;78%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

copper(l) iodide
7681-65-4

copper(l) iodide

potassium iodide
7681-11-0

potassium iodide

2D-CuI(2,3-dimethylpyrazine)0.5

2D-CuI(2,3-dimethylpyrazine)0.5

Conditions
ConditionsYield
In ethanol; acetonitrile at 20℃; for 72h;78%
1,4-dioxane
123-91-1

1,4-dioxane

2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

5-(1,4-dioxan-2-yl)-2,3-dimethylpyrazine

5-(1,4-dioxan-2-yl)-2,3-dimethylpyrazine

Conditions
ConditionsYield
With trifluorormethanesulfonic acid; dibenzoyl peroxide at 100℃; for 12h; Inert atmosphere;77%
With trifluorormethanesulfonic acid; dibenzoyl peroxide at 100℃; for 12h; Inert atmosphere;77%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

2,3,5,6-tetrafluoroterephthalic acid
652-36-8

2,3,5,6-tetrafluoroterephthalic acid

C8H2F4O4*C6H8N2

C8H2F4O4*C6H8N2

Conditions
ConditionsYield
In methanol; water for 0.25h;76%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

chloro-diphenylphosphine
1079-66-9

chloro-diphenylphosphine

2,3-bis((diphenylphosphino)methyl)pyrazine

2,3-bis((diphenylphosphino)methyl)pyrazine

Conditions
ConditionsYield
Stage #1: 2,3-dimethylpyrazine With n-butyllithium; N,N,N,N,-tetramethylethylenediamine In diethyl ether; hexane at -78 - 80℃; Inert atmosphere;
Stage #2: chloro-diphenylphosphine In diethyl ether at -78 - 20℃; Inert atmosphere;
75%
2,3-dimethylpyrazine
5910-89-4

2,3-dimethylpyrazine

mesitylenesulfonylhydroxylamine
36016-40-7

mesitylenesulfonylhydroxylamine

2,4,6-Trimethyl-benzenesulfonate1-amino-2,3-dimethyl-pyrazin-1-ium;
139242-98-1

2,4,6-Trimethyl-benzenesulfonate1-amino-2,3-dimethyl-pyrazin-1-ium;

Conditions
ConditionsYield
In dichloromethane for 0.166667h; Ambient temperature;74%

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