Selenium Dioxide → 6-Formyl-4-hydroxypyran-2-one

HRID 1757038Notes

Reaction equation

HRID 1757038 reaction equation

[CH3:1][C:2]1[O:7][C:6](=[O:8])[CH:5]=[C:4]([OH:9])[CH:3]=1.[Se](=O)=[O:11]>COCCOCCOC>[CH:1]([C:2]1[O:7][C:6](=[O:8])[CH:5]=[C:4]([OH:9])[CH:3]=1)=[O:11]

Participants

4

Reactant 2

HCID 24007Selenium Dioxide

HCID 546757574-Hydroxy-6-methyl-2-pyrone

Product 1

HCID 547232986-Formyl-4-hydroxypyran-2-one

Reagents, catalysts & solvents 1

HCID 8150DiglymeSolvent

Procedure

6-Methyl-4-hydroxypyran-2-one may be oxidised with selenium dioxide in boiling diglyme to give 6-formyl-4-hydroxypyran-2-one;

Sources & evidence

ORD record: ord-d2f0aed07a3d406a90338df68fbeeab6
Source dataset: uspto-grants-1995_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05443971

Reaction notes

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