Available forms:clear yellow liquid
pd_proNo:474016-68584b74-5efc-45db-92f7-de179acc3eb3
pd_productuse:
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Preparation |
By condensation of ethyl propionate in the presence of sodium metal, followed by oxidation of the resulting propionin with copper acetate or ferric chloride. |
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Biochem/physiol Actions |
Odor at 1.0% |
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Aroma threshold values |
Aroma characteristics at 1.0%: sweet buttery, creamy, slightly cooked caramel and burnt sugary reminiscent of ghee and eggy vanillas. |
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Taste threshold values |
Taste characteristics at 5 ppm: sweet buttery, creamy, pound cake and egg caramel-like with vanilla nuances. |
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General Description |
The dermal irritation and sensitization potential of 3,4-hexanedione (used as constituents of synthetic flavoring agent) was studied using a murine model. The 3,4-hexanedione derivatives inhibited oxoglutarate transport. |
InChI:InChI=1/C6H10O2/c1-3-5(7)6(8)4-2/h3-4H2,1-2H3
A novel method is discussed for preparat...
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Efficient Lewis-acid-catalyzed direct co...
A synthesis method of 3,4-hexanedione co...
Silver-catalyzed oxidative decarboxylati...
Low pressure plasma was used for prepari...
propionaldehyde
propioin
3,4-hexanedione
| Conditions | Yield |
|---|---|
|
With
Ce0.2Zr0.2La0.2Pr0.2Y0.2O2; benzoic acid;
In
acetonitrile;
Overall yield = 68 percent;
Schlenk technique;
Reflux;
|
hex-3-yne
3,4-hexanedione
dipropionyl peroxide
propionic acid anhydride
| Conditions | Yield |
|---|---|
|
With
ozone;
In
dichloromethane;
at -75 ℃;
Yields of byproduct given;
|
10% |
propioin
hexa-1,5-diene-3,4-diol
(3S,4R)-hexane-3,4-diol
hex-3-yne
propionic acid anhydride
2,5-dibromo-3,4-hexanedione
propionic acid
propionic acid-(1-ethyl-2-oxo-butylidenehydrazide)
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