

Available forms:clear colorless to slightly yellow liquid
pd_proNo:448566-81a68476-adb2-4c20-a1dc-cf4ab793091b
pd_productuse:
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Preparation |
By condensation of ethylenediamine with 2,3-pentanedione. |
|
Hazard |
Moderately toxic by ingestion. |
|
Flammability and Explosibility |
Notclassified |
|
Safety Profile |
Moderately toxic by ingestion. When heated to decomposition it emits acrid smoke and irritating fumes. |
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Aroma threshold values |
Detection: 2 ppm (130 ppb in water) |
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Taste threshold values |
Taste characteristics at 10 ppm: nutty, peanut, musty corn-like with raw and oily nuances. |
InChI:InChI=1/C7H10N2/c1-3-7-6(2)8-4-5-9-7/h4-5H,3H2,1-2H3
The invention discloses an efficient syn...
Pyrazines are specific Maillard reaction...
The identification of aroma compounds, f...
A study was carried out on the use of Pt...
L-threonine
ascorbic acid
2,5-dimethyl-pyrazine
2-ethylpyrazine
2,5-diethylpyrazine
2-ethyl-3,6-dimethylpyrazine
2-ethyl-6-methylpyrazine
3,5-diethyl-2-methyl-pyrazine
2-ethyl-5-methypyrazine
5-ethyl-2,3-dimethylpyrazine
2-methyl-3-ethylpyrazine
2,3-diethyl-5-methylpyrazine
| Conditions | Yield |
|---|---|
|
With
sodium hydroxide;
at 143 ℃;
for 2h;
pH=8;
aq. phosphate buffer;
Sealed vial;
|
L-threonine
ascorbic acid
2-ethylpyrazine
2,5-diethylpyrazine
2-ethyl-3,6-dimethylpyrazine
2-methyl-2-pentenal
2-ethyl-6-methylpyrazine
3,5-diethyl-2-methyl-pyrazine
2-ethyl-5-methypyrazine
5-ethyl-2,3-dimethylpyrazine
2-methyl-3-ethylpyrazine
2,3-diethyl-5-methylpyrazine
| Conditions | Yield |
|---|---|
|
With
sodium hydroxide;
at 143 ℃;
for 2h;
pH=7;
aq. phosphate buffer;
Sealed vial;
|
N-(2-hydroxypropyl)ethylenediamine
L-threonine
ascorbic acid
L-lysine
2-Ethyl-3-[(E)-2-(4-nitro-phenyl)-vinyl]-pyrazine
2-(2-hydroxy-2-phenylethyl)-3-ethylpyrazine
4-[(E)-2-(3-Ethyl-pyrazin-2-yl)-vinyl]-phenylamine
N-{4-[(E)-2-(3-Ethyl-pyrazin-2-yl)-vinyl]-phenyl}-oxalamic acid ethyl ester
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