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2,3-Dimethylpyrazine 5910-89-4
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5910-89-4 Usage

Chemical Properties

CLEAR YELLOW TO ORANGE LIQUID
InChI:InChI=1/C6H8N2/c1-5-6(2)8-4-3-7-5/h3-4H,1-2H3

5910-89-4 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Aldrich (199400)  2,3-Dimethylpyrazine  99% 5910-89-4 199400-50G 1,689.48CNY Detail
Aldrich (199400)  2,3-Dimethylpyrazine  99% 5910-89-4 199400-10G 479.70CNY Detail
Alfa Aesar (A12628)  2,3-Dimethylpyrazine, 99%    5910-89-4 250g 4562.0CNY Detail
Alfa Aesar (A12628)  2,3-Dimethylpyrazine, 99%    5910-89-4 50g 1074.0CNY Detail
Alfa Aesar (A12628)  2,3-Dimethylpyrazine, 99%    5910-89-4 10g 313.0CNY Detail

5910-89-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,3-Dimethylpyrazine

1.2 Other means of identification

Product number -
Other names 2,3-DiMepyz

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5910-89-4 SDS

5910-89-4Synthetic 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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