Products

Refine

Country

Business Type

Certificate

Display

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

CAS 123-32-0 with HALAL and Kosher 2,5-dimethylpyrazine

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

NIGNXIA XINDACHANG TECHNOLOGY CO.,LTD

Donglian as a factory and supplier of aroma chemicals in China, We can provide different quantities of custom synthesis chemicals in food flavor scale more than fourteen years.in addition, our company has researched and developed four series

2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Suzhou Lipin chemical Co., Ltd.

high quality ,iso , cgmp . accept the supplier audit . in stock now ,capacity is flexible support the documents Appearance:Colorless to Light yellow liquid Storage: protect from light seal room temperature Package:DRUM Application:Key interm

123-32-0

Cas:123-32-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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 2,5-Dimethylpyrazine supplier in China

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

2,5-Dimethyl pyrazine

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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 2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:1

Negotiable

Type:Other

inquiry

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

2,5(or6)-Dimethyl pyrazine

Cas:123-32-0

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis

2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.

123-32-0 2,5-Dimethyl pyrazine

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

2,5-Dimethyl pyrazine

Cas:123-32-0

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

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

Factory direct supply CAS 123-32-0 with best quality

Cas:123-32-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

2,5-Dimethylpyrazine/ LIDE PHARMA- Factory supply / Best price

Cas:123-32-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei yanxi chemical co.,LTD.

Hebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car

2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Manufacturers

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:off-white to similar to white powder Storage:Store in sealed

2,5-Dimethylpyrazine CAS 123-32-0 yellow liquid

Cas:123-32-0

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2,5-Dimethylpyrazine 123-32-0

Cas:123-32-0

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

Leader Biochemical Group

About Our Group Since 1996 when our factory was put into production to year of 2020, our group has successively invested in more than 52 factories with shares and subordinates.We focus on manufacture Pharm & c

China Biggest Factory Manufacturer Supply 2,5-Dimethyl pyrazine CAS 123-32-0

Cas:123-32-0

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese

Synthetic Flavour & Fragrance, 2,5-Dimethyl pyrazine CAS: 123-32-0

Cas:123-32-0

Min.Order:1 Kilogram

FOB Price: $49.2 / 56.4

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

2,5-Dimethyl pyrazine CAS:123-32-0. 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 inte

2,5-Dimethyl pyrazine CAS:123-32-0.

Cas:123-32-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanxi Ankesi Biotechnology Co., Ltd

Our Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual

European warehouse high purity 2,5-Dimethyl pyrazine CAS 123-32-0

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

2,5-Dimethyl pyrazine

Cas:123-32-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,

2,5-Dimethylpyrazine supplier in China CAS NO.123-32-0

Cas:123-32-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

2.5-Dimethyl pyrazine CAS:123-32-0 Specification Min.Order:1 Kilogram Payment Terms: L/C,D/P,T/T Appearance: detailed see specifications Application: It is an important raw material and in... Delivery Time: prompt Pack Age: according to the

Factory Supply 2.5-Dimethyl pyrazine

Cas:123-32-0

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2,5-Dimethylpyrazine

Cas:123-32-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Triumph International Development Limilted

Lorcaserin(856681-05-5)is an orally administered agent and a selective 5-HT2C receptor agonist for the treatment of obesity. It had been approved for marketing in US by FDA on 27 June in 2012. In clinical studies, lorcaserin h

2,5-Dimethyl pyrazine

Cas:123-32-0

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

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

CAS123-32-0 2,5-Dimethyl pyrazine

Cas:123-32-0

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

Natural 2,5-Dimethyl pyrazine

Cas:123-32-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

3-amino-2-propanol
78-96-6, 1674-56-2

3-amino-2-propanol

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
87%
85%
With copper oxide-chromium oxide catalyst at 275℃;
2,5-dimethylpyrimidine
22868-76-4

2,5-dimethylpyrimidine

A

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

2,5-dimethyl-pyrazine

B

4,6-dimethylpyrimidine
1558-17-4

4,6-dimethylpyrimidine

Conditions
ConditionsYield
under 1 - 1.5 Torr; for 0.0833333h; Irradiation;A 62%
B 31%
2,5-dimethyl-3-chloropyrazine
95-89-6

2,5-dimethyl-3-chloropyrazine

diethylzinc
557-20-0

diethylzinc

A

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

2,5-dimethyl-pyrazine

B

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

2-ethyl-3,6-dimethylpyrazine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In N,N-dimethyl-formamide Heating;A 49%
B 25%
2,5-dimethyl-3-chloropyrazine
95-89-6

2,5-dimethyl-3-chloropyrazine

A

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

2,5-dimethyl-pyrazine

B

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

2-ethyl-3,6-dimethylpyrazine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); diethylzinc; potassium carbonate In N,N-dimethyl-formamide Heating;A 49%
B 25%
1-ethoxycarbonylamino-2,5-dimethyl-pyrazinium betaine
60175-11-3

1-ethoxycarbonylamino-2,5-dimethyl-pyrazinium betaine

A

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

2,5-dimethyl-pyrazine

B

ethyl 3-methylpyrazole-N-carboxylate
60148-16-5

ethyl 3-methylpyrazole-N-carboxylate

Conditions
ConditionsYield
In benzene for 3h; Irradiation;A 30%
B 45%
2-Amino-1-propanol
6168-72-5

2-Amino-1-propanol

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With C39H31BMnNO2P2; potassium hydride In toluene at 150℃; for 48h;45%
1-azido-3-methylpentan-2-one
870544-21-1

1-azido-3-methylpentan-2-one

1-azidopropan-2-one
4504-27-2

1-azidopropan-2-one

A

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

2,5-dimethyl-pyrazine

B

2,5-bis(1-methylpropyl)pyrazine
32435-26-0

2,5-bis(1-methylpropyl)pyrazine

C

2-methyl-5-(1-methylpropyl)pyrazine
29461-07-2

2-methyl-5-(1-methylpropyl)pyrazine

Conditions
ConditionsYield
With triphenylphosphine In benzene at 20℃; for 24h;A 36%
B 20%
C 34%
4,6-dimethylpyrimidine
1558-17-4

4,6-dimethylpyrimidine

A

2,5-dimethylpyrimidine
22868-76-4

2,5-dimethylpyrimidine

B

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
under 1 - 1.5 Torr; for 0.0833333h; Irradiation;A 31%
B 31%
1-aminopropan-2-one hydrochloride
7737-17-9

1-aminopropan-2-one hydrochloride

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With air; sodium acetate In methanol at 60℃;30%
1,4-dioxane
123-91-1

1,4-dioxane

3-amino-2-propanol
78-96-6, 1674-56-2

3-amino-2-propanol

A

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

2,5-dimethyl-pyrazine

B

2,5-dimethylpiperazine
106-55-8

2,5-dimethylpiperazine

Conditions
ConditionsYield
With tributylphosphine; ruthenium trichlorideA n/a
B 13.3%
With tributylphosphine; ruthenium trichlorideA n/a
B 13.3%
3,6-dimethyl-pyrazine-2-carboxylic acid
2435-46-3

3,6-dimethyl-pyrazine-2-carboxylic acid

acetic acid
64-19-7

acetic acid

A

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

2,5-dimethyl-pyrazine

B

methylammonium carbonate
15719-64-9, 15719-76-3, 97762-63-5

methylammonium carbonate

Conditions
ConditionsYield
at 180 - 200℃;
AlaOEt
17344-99-9

AlaOEt

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With hydrogenchloride; sodium amalgam Oxydation des entstandenen α-Amino-propionaldehyds mit Quecksilberchlorid in alkal. Loesung;
glycerol
56-81-5

glycerol

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
bei der Destillation mit Ammoniumsalzen;
bei der Destillation mit Ammoniumsalzen;
propanone 1-oxime
306-44-5

propanone 1-oxime

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With hydrogenchloride; tin Behandlung der Reaktionsprodukte mit Alkalien;
With acetic acid; zinc Behandlung der Reaktionsprodukte mit Alkalien;
With sulfuric acid Electrolysis.Behandeln der Reaktionsprodukte mit Alkalien;
2,5-dimethylpiperazine
106-55-8

2,5-dimethylpiperazine

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With aluminum oxide; copper oxide-chromium oxide silicon dioxide aluminium oxide catalyst; water; silica gel at 350 - 375℃;
With Cp*Ir(6,6'-dionato-2,2'-bipyridine)(H2O) In para-xylene for 20h; Catalytic behavior; Reagent/catalyst; Solvent; Reflux; Inert atmosphere; Schlenk technique;100 %Chromat.
With bis(1,5-cyclooctadiene)diiridium(I) dichloride In para-xylene at 160℃; for 48h; Inert atmosphere; Sealed tube;
N-acetamidoacetone
7737-16-8

N-acetamidoacetone

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With hydrogenchloride folgend Oxydation mit Quecksilber(II)-chlorid und Alkalilauge;
2,4-dimethyl-2-imidazoline
930-61-0

2,4-dimethyl-2-imidazoline

chloroform
67-66-3

chloroform

A

2,4-dimethylpyrimidine
14331-54-5

2,4-dimethylpyrimidine

B

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

2,5-dimethyl-pyrazine

C

5-chloro-2-methylpyrimidine
54198-89-9

5-chloro-2-methylpyrimidine

D

4-chloro-2,6-dimethylpyrimidine
4472-45-1

4-chloro-2,6-dimethylpyrimidine

Conditions
ConditionsYield
at 550℃; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
2,4-dimethyl-2-imidazoline
930-61-0

2,4-dimethyl-2-imidazoline

chloroform
67-66-3

chloroform

A

2,4-dimethylpyrimidine
14331-54-5

2,4-dimethylpyrimidine

B

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

2,5-dimethyl-pyrazine

C

2,5-dimethyl-3-chloropyrazine
95-89-6

2,5-dimethyl-3-chloropyrazine

D

2-chloro-3,5-dimethylpyrazine
38557-72-1

2-chloro-3,5-dimethylpyrazine

Conditions
ConditionsYield
at 550℃; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
2,4-dimethyl-2-imidazoline
930-61-0

2,4-dimethyl-2-imidazoline

chloroform
67-66-3

chloroform

A

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

2,5-dimethyl-pyrazine

B

2,5-dimethyl-3-chloropyrazine
95-89-6

2,5-dimethyl-3-chloropyrazine

C

2-chloro-3,5-dimethylpyrazine
38557-72-1

2-chloro-3,5-dimethylpyrazine

D

4-chloro-2,5-dimethylpyrimidine
75712-74-2

4-chloro-2,5-dimethylpyrimidine

Conditions
ConditionsYield
at 550℃; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
2,4-dimethyl-2-imidazoline
930-61-0

2,4-dimethyl-2-imidazoline

chloroform
67-66-3

chloroform

A

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

2,5-dimethyl-pyrazine

B

4-chloro-2-methylpyrimidine
4994-86-9

4-chloro-2-methylpyrimidine

C

2-methylimidazole
693-98-1

2-methylimidazole

D

5-Chloro-2,4-dimethylpyrimidine
75712-73-1

5-Chloro-2,4-dimethylpyrimidine

Conditions
ConditionsYield
at 550℃; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
2,4-dimethyl-2-imidazoline
930-61-0

2,4-dimethyl-2-imidazoline

chloroform
67-66-3

chloroform

A

2,4-dimethylpyrimidine
14331-54-5

2,4-dimethylpyrimidine

B

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

2,5-dimethyl-pyrazine

C

4-chloro-2,6-dimethylpyrimidine
4472-45-1

4-chloro-2,6-dimethylpyrimidine

D

2,6-dimethylpyrazine
108-50-9

2,6-dimethylpyrazine

Conditions
ConditionsYield
at 550℃; Yield given. Further byproducts given. Yields of byproduct given. Title compound not separated from byproducts;
2-<2-Hydroxy-2-(p-methoxyphenyl)ethyl>-5-methylpyrazine
72725-80-5

2-<2-Hydroxy-2-(p-methoxyphenyl)ethyl>-5-methylpyrazine

A

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

2,5-dimethyl-pyrazine

B

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

Conditions
ConditionsYield
In diethylene glycol dimethyl ether at 170℃; Rate constant;
N-(2-hydroxypropyl)ethylenediamine
123-84-2

N-(2-hydroxypropyl)ethylenediamine

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-ethylpyrazine
13925-00-3

2-ethylpyrazine

E

2-methylimidazole
693-98-1

2-methylimidazole

F

2-methyl-3-ethylpyrazine
15707-23-0

2-methyl-3-ethylpyrazine

Conditions
ConditionsYield
With hydrogen; 5% platinum on alumina at 350℃; Product distribution; other bifunctional Pt/Al2O3 modified catalysts;
3-amino-2-propanol
78-96-6, 1674-56-2

3-amino-2-propanol

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

2-ethyl-3,6-dimethylpyrazine

E

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

2,3,5-trimethylpyrazine

F

1-aminoethyl-2-methylaziridine

1-aminoethyl-2-methylaziridine

Conditions
ConditionsYield
With copper chromite at 180℃; for 0.333333h; Product distribution; var. temp.; other aminoalcohols;
DL-methionine
59-51-8

DL-methionine

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

methyl 3-(methylthio)propionate
13532-18-8

methyl 3-(methylthio)propionate

E

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

2,3,5-trimethylpyrazine

F

1-<3-(methylthio)propyl>-2-formylpyrrole

1-<3-(methylthio)propyl>-2-formylpyrrole

Conditions
ConditionsYield
With alpha-D-glucopyranose In water at 180℃; for 1h; Product distribution; also with methionine sulfoxide and without glucose;
2.5-dimethyl-pyrazine-carboxylic acid-(3)

2.5-dimethyl-pyrazine-carboxylic acid-(3)

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With acetic acid at 180 - 200℃;
hydrogenchloride
7647-01-0

hydrogenchloride

2,2-diethyl-4-methyl-2,5-dihydro-1H-imidazole
102872-57-1

2,2-diethyl-4-methyl-2,5-dihydro-1H-imidazole

A

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

2,5-dimethyl-pyrazine

B

pentan-3-one
96-22-0

pentan-3-one

3-amino-2-propanol
78-96-6, 1674-56-2

3-amino-2-propanol

copper chromite

copper chromite

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

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
at 200 - 275℃; auch mit anderen Kupfer-Katalysatoren;
at 200 - 275℃; auch mit anderen Kupfer-Katalysatoren;
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

2,2-difluoro-2-(2-methoxyphenyl)acetic acid
1250773-62-6

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

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

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

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate In dichloromethane; water at 50℃; for 24h; Minisci Aromatic Substitution; Inert atmosphere; Sealed tube; regioselective reaction;99%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

mesitylenesulfonylhydroxylamine
36016-40-7

mesitylenesulfonylhydroxylamine

1-Amino-2,5-dimethylpyrazin-1-ium-2,4,6-trimethylbenzenesulfonate

1-Amino-2,5-dimethylpyrazin-1-ium-2,4,6-trimethylbenzenesulfonate

Conditions
ConditionsYield
In dichloromethane at 0℃; for 1h;97%
In dichloromethane for 0.333333h; Ambient temperature;89%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

4-bromophenylglyoxylic acid
7099-87-8

4-bromophenylglyoxylic acid

3,6-dimethyl-2-(4-bromo)benzoylpyrazine

3,6-dimethyl-2-(4-bromo)benzoylpyrazine

Conditions
ConditionsYield
With dipotassium peroxodisulfate; silver orthophosphate In dichloromethane; water at 40℃; for 24h;97%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

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

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

trans-{PtCl2(triethylphosphine)}2(2,5-dimethylpyrazine)
118515-84-7

trans-{PtCl2(triethylphosphine)}2(2,5-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.;95%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

bis(cyclopentadienyl)dimethylzirconium(IV)
12636-72-5

bis(cyclopentadienyl)dimethylzirconium(IV)

C27H9BF17(1-)*C19H15(1-)

C27H9BF17(1-)*C19H15(1-)

diphenyl acetylene
501-65-5

diphenyl acetylene

C54H46N2Zr2(4+)*2C24BF20(1-)

C54H46N2Zr2(4+)*2C24BF20(1-)

Conditions
ConditionsYield
Stage #1: 2,5-dimethyl-pyrazine; bis(cyclopentadienyl)dimethylzirconium(IV); C27H9BF17(1-)*C19H15(1-) In chlorobenzene at 20℃; for 1h; Inert atmosphere;
Stage #2: diphenyl acetylene In chlorobenzene at 80℃; for 12h; Inert atmosphere;
95%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

Benzoylformic acid
611-73-4

Benzoylformic acid

3,6-dimethylpyrazyl phenyl ketone

3,6-dimethylpyrazyl phenyl ketone

Conditions
ConditionsYield
With dipotassium peroxodisulfate; silver orthophosphate In dichloromethane; water at 40℃; for 24h;95%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

4-chlorophenylglyoxylic acid
7099-88-9

4-chlorophenylglyoxylic acid

3,6-dimethyl-2-(4-chloro)benzoylpyrazine

3,6-dimethyl-2-(4-chloro)benzoylpyrazine

Conditions
ConditionsYield
With dipotassium peroxodisulfate; silver orthophosphate In dichloromethane; water at 40℃; for 24h;94%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

2,5-bis[2-(4-methoxyphenyl)ethenyl]pyrazine
102441-65-6

2,5-bis[2-(4-methoxyphenyl)ethenyl]pyrazine

Conditions
ConditionsYield
With potassium tert-butylate In N,N-dimethyl-formamide at 80℃; for 4h;93%
With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate for 3h; Heating;20%
With zinc(II) chloride at 160℃; im Rohr;
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

{Pt2Cl2(μ-Cl)2(PMePh2)2}
16633-87-7

{Pt2Cl2(μ-Cl)2(PMePh2)2}

trans-{PtCl2(diphenylmethylphosphine)}2(2,5-dimethylpyrazine)
118515-90-5

trans-{PtCl2(diphenylmethylphosphine)}2(2,5-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.;93%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

Conditions
ConditionsYield
With potassium permanganate; potassium hydroxide In water at 60℃; for 7h; Reagent/catalyst;92%
With selenium(IV) oxide In pyridine; water at 100 - 110℃; for 12h; Oxidation;88%
With pyridine; selenium(IV) oxide In water for 48h; Reflux;85%

Conditions
ConditionsYield
In acetonitrile ligand added to soln. of Cu salt, stirred for 5 h; filtered, washed with MeCN and Et2O, dried in vac.; elem. anal.;92%

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

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

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate In dichloromethane; water at 50℃; for 24h; Catalytic behavior; Mechanism; Reagent/catalyst; Temperature; Solvent; Minisci Aromatic Substitution; Inert atmosphere; Sealed tube; regioselective reaction;92%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

benzoic acid ethyl ester
93-89-0

benzoic acid ethyl ester

triphenylborane
960-71-4

triphenylborane

C25H21BN2O
1350300-40-1

C25H21BN2O

Conditions
ConditionsYield
Stage #1: 2,5-dimethyl-pyrazine; benzoic acid ethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 24h; Reflux;
Stage #2: triphenylborane In tetrahydrofuran at 20℃; for 24h; Inert atmosphere;
91%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

propionaldehyde
123-38-6

propionaldehyde

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

2-ethyl-3,6-dimethylpyrazine

Conditions
ConditionsYield
With ferrous(II) sulfate heptahydrate; sulfuric acid; dihydrogen peroxide In water at 50 - 60℃; for 6h;90.88%
With ferrous(II) sulfate heptahydrate; sulfuric acid; dihydrogen peroxide In water at 0℃; Minisci Aromatic Substitution; Green chemistry;45%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

2,5-dimethylpyrazine-N,N'-dioxide
6890-38-6

2,5-dimethylpyrazine-N,N'-dioxide

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In ethyl acetate at 20℃; for 24h; Inert atmosphere;90%
With Oxone In dichloromethane at 25℃; for 24h;87.6%
With 3-chloro-benzenecarboperoxoic acid In ethyl acetate at 0 - 20℃; for 16h; Inert atmosphere;86%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

2,5-pyrazinedicarboxylic acid
122-05-4

2,5-pyrazinedicarboxylic acid

Conditions
ConditionsYield
With potassium permanganate; potassium hydroxide In water at 60℃; for 7h; Reagent/catalyst;92%
With selenium(IV) oxide In pyridine; water at 100 - 110℃; for 12h; Oxidation;88%
With pyridine; selenium(IV) oxide In water for 48h; Reflux;85%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

[Cu(II)2(formato)4(2,5-dimethylpyrazine)]n
874185-63-4

[Cu(II)2(formato)4(2,5-dimethylpyrazine)]n

Conditions
ConditionsYield
In acetonitrile ligand added to soln. of Cu salt, stirred for 5 h; filtered, washed with MeCN and Et2O, dried in vac.; elem. anal.;92%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

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

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

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

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

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate In dichloromethane; water at 50℃; for 24h; Catalytic behavior; Mechanism; Reagent/catalyst; Temperature; Solvent; Minisci Aromatic Substitution; Inert atmosphere; Sealed tube; regioselective reaction;92%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

2-methylpyrazin-5-carboxylic acid
5521-55-1

2-methylpyrazin-5-carboxylic acid

Conditions
ConditionsYield
at 30℃; for 16h; Pseudomonas putida ATCC 33015;90%
With potassium permanganate In water at 76 - 82℃; for 5.7h; Temperature; Industrial scale;81.6%
With sodium tungstate; oxygen; cobalt(II) nitrate; manganese(ll) chloride In water75.6%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

[Pt(μ-Cl)Cl(dimethylphenylphosphine)]2

[Pt(μ-Cl)Cl(dimethylphenylphosphine)]2

trans-{PtCl2(dimethylphenylphosphine)}2(2,5-dimethylpyrazine)
118515-89-2

trans-{PtCl2(dimethylphenylphosphine)}2(2,5-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%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

1,4-benzenedicarboxylic acid dimethyl ester
120-61-6

1,4-benzenedicarboxylic acid dimethyl ester

C15H13BF2N2O3
1350300-38-7

C15H13BF2N2O3

Conditions
ConditionsYield
Stage #1: 2,5-dimethyl-pyrazine; 1,4-benzenedicarboxylic acid dimethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 24h; Reflux;
Stage #2: With boron trifluoride diethyl etherate; triethylamine In dichloromethane at 20℃; for 24h;
90%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

N-methylpyrrole aldehyde
1192-58-1

N-methylpyrrole aldehyde

(E,E)-2,5-bis[2-(1-methyl-1H-pyrrole-2-yl)-vinyl]-pyrazine
1365034-35-0

(E,E)-2,5-bis[2-(1-methyl-1H-pyrrole-2-yl)-vinyl]-pyrazine

Conditions
ConditionsYield
Stage #1: 2,5-dimethyl-pyrazine With potassium tert-butylate In N,N-dimethyl-formamide at 80℃; for 0.25h;
Stage #2: N-methylpyrrole aldehyde In N,N-dimethyl-formamide at 80℃; for 4h;
89%
With potassium tert-butylate In N,N-dimethyl-formamide at 80℃; for 4h;64%
With potassium tert-butylate In N,N-dimethyl-formamide at 0 - 20℃;42%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

bis(pinacol)diborane
73183-34-3

bis(pinacol)diborane

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

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

Conditions
ConditionsYield
With 2,6-dichloro-4,4’-bipyridine In cyclohexane at 60℃; for 16h; Reagent/catalyst; Temperature; Glovebox; Inert atmosphere;88%
In pentane N2; ligand and B compd. (1.1:1 molar ratio) stirred at room temp. for 2 h;0%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

copper(II) perchlorate hexahydrate

copper(II) perchlorate hexahydrate

sodium thiocyanide
540-72-7

sodium thiocyanide

2,5-dimethylpyrazinobisthiocyanatodicopper(I)

2,5-dimethylpyrazinobisthiocyanatodicopper(I)

Conditions
ConditionsYield
In water addn. of an aq. soln. of Cu(ClO4)2*6H2O to an aq. soln. of 2,5-dimethylpyrazine, addn. of an aq. soln. of NaSCN to the mixt. and stirring; filtration of the yellow solid and washing with water and acetone;87%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

(4-methylphenyl)(oxo)acetic acid
7163-50-0

(4-methylphenyl)(oxo)acetic acid

3,6-dimethyl-2-(4-methyl)benzoylpyrazine

3,6-dimethyl-2-(4-methyl)benzoylpyrazine

Conditions
ConditionsYield
With dipotassium peroxodisulfate; silver orthophosphate In dichloromethane; water at 40℃; for 2h;87%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

A

pyrazinamide
98-96-4

pyrazinamide

B

2,5-pyrazinedicarboxamide
41110-27-4

2,5-pyrazinedicarboxamide

Conditions
ConditionsYield
With ammonium hydroxide; air; antimony(III) trioxide; titanium(IV) oxide; molybdenum(VI) oxide at 440℃; Oxidation; ammonolysis; demethylation;A 5%
B 86%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

benzoic acid ethyl ester
93-89-0

benzoic acid ethyl ester

C13H11BF2N2O
1350300-37-6

C13H11BF2N2O

Conditions
ConditionsYield
Stage #1: 2,5-dimethyl-pyrazine; benzoic acid ethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 24h; Reflux;
Stage #2: With boron trifluoride diethyl etherate; triethylamine In dichloromethane at 20℃; for 24h;
86%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

4-dimethylamino-benzaldehyde
100-10-7

4-dimethylamino-benzaldehyde

4,4′-(1E,1′E)-2,2′-(pyrazine-2,5-diyl)bis(ethene-2,1-diyl)bis(N,N-dimethylaniline)
502846-08-4

4,4′-(1E,1′E)-2,2′-(pyrazine-2,5-diyl)bis(ethene-2,1-diyl)bis(N,N-dimethylaniline)

Conditions
ConditionsYield
Stage #1: 2,5-dimethyl-pyrazine With potassium tert-butylate In N,N-dimethyl-formamide at 80℃; for 0.25h;
Stage #2: 4-dimethylamino-benzaldehyde In N,N-dimethyl-formamide at 80℃; for 4h;
86%
With potassium tert-butylate In N,N-dimethyl-formamide at 80℃; for 4h;72%
With potassium tert-butylate In N,N-dimethyl-formamide at 0 - 20℃;52%
With potassium tert-butylate In N,N-dimethyl-formamide at 0℃;52%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

(4-isopropylbenzaldehyde)
122-03-2

(4-isopropylbenzaldehyde)

2,5-bis(4-isopropylstyryl)pyrazine

2,5-bis(4-isopropylstyryl)pyrazine

Conditions
ConditionsYield
Stage #1: 2,5-dimethyl-pyrazine With potassium tert-butylate In N,N-dimethyl-formamide at 80℃; for 0.25h;
Stage #2: (4-isopropylbenzaldehyde) In N,N-dimethyl-formamide at 80℃; for 4h;
86%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

2-(3,4-dimethylphenyl)-2,2-difluoroacetic acid

2-(3,4-dimethylphenyl)-2,2-difluoroacetic acid

3-((3,4-dimethylphenyl)difluoromethyl)-2,5-dimethylpyrazine

3-((3,4-dimethylphenyl)difluoromethyl)-2,5-dimethylpyrazine

Conditions
ConditionsYield
With ammonium peroxydisulfate; silver nitrate In dichloromethane; water at 50℃; for 24h; Minisci Aromatic Substitution; Inert atmosphere; Sealed tube; regioselective reaction;86%
2,5-dimethyl-pyrazine
123-32-0

2,5-dimethyl-pyrazine

2,5-dimethyl-pyrazine 1-oxide
6890-37-5

2,5-dimethyl-pyrazine 1-oxide

Conditions
ConditionsYield
With sodium peroxoborate In acetic acid for 6h; Reflux;85%
With 3,3-dimethyldioxirane In acetone at 25℃; for 0.333333h;82%
Stage #1: 2,5-dimethyl-pyrazine With acetic acid at 0℃;
Stage #2: With dihydrogen peroxide In water at 20 - 60℃;
68%
With sodium peroxoborate tetrahydrate; acetic acid at 80℃; for 6h;60%
With dihydrogen peroxide; acetic acid

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View