Available forms:Colorless to light yellow liquid
pd_proNo:539210-1a34b775-2104-4040-af39-b7be5dd431f0
pd_productuse:
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Preparation |
By hydrolytic decarboxylation of 2-methyl-4-carbomethoxytetrahydrofuran-3-one; by acid-catalyzed ring closure of β-alkoxy-diazoketones |
|
Taste threshold values |
Taste characteristics at 75 ppm: nutty and astringent with a slight creamy, almond nuance. |
InChI:InChI=1/C5H8O2/c1-4-5(6)2-3-7-4/h4H,2-3H2,1H3/t4-/m0/s1
2-Methyltetrahydrofuran-3-one (3), a vol...
The influence of different pH values, ra...
Thermal degradation of L-ascorbic acid a...
To investigate the thermal degradation p...
vitamin C
1-(2-furyl)-1-ethanone
cyclohexenone
2-methyltetrahydrofuran-3-one
2-hydroxy-2-cyclopenten-1-one
4-methylcyclopent-2-en-1-one
dimethylglyoxal
| Conditions | Yield |
|---|---|
|
at 300 ℃;
for 0.05h;
dry degradation; degradation under milder condition;
|
2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one
furaneol
5-hydroxymaltol
2-methyltetrahydrofuran-3-one
2,3-Pentanedione
2-hydroxy-3-methylcyclopent-2-en-1-one
hydroxy-2-propanone
| Conditions | Yield |
|---|---|
|
With
water;
at 150 ℃;
for 1h;
also 2,3-dihydro-3,5-dihydroxy-6(13C)methyl-4(H)-pyran-4-one; var. temp., pH, and time; effect of 2,4-dihydroxy-2,5-dimethyl-3(2H)-furanone;
|
1-Methyl-2-oxa-6,10-dithia-spiro[4.5]decane
2,3-dihydro-3,5-dihydroxy-6-methyl-4H-pyran-4-one
vitamin C
3-acetyl-2-oxo-4,5-dihydrofuran
[2-Methyl-dihydro-furan-(3E)-ylidene]-((R)-1-phenyl-ethyl)-amine
[2-Methyl-dihydro-furan-(3E)-ylidene]-((R)-1-phenyl-ethyl)-amine
(3S*)-hydroxy-(2S*)-methyltetrahydrofuran
2-methyltetrahydrofuran-3-amine
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