HCID 20348360, compound → Maltol
Reaction equation
O[CH:2]([C:4]1([O:13]C)[C:8]([O:9]C)=[CH:7][CH:6]([O:11]C)O1)[CH3:3]>OS(O)(=O)=O>[CH3:3][C:2]1[O:11][CH:6]=[CH:7][C:8](=[O:9])[C:4]=1[OH:13]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
2(1-hydroxy ethyl)-2,3,5-trimethoxy-2,5-dihydrofuran (2.30 g, 0.012 moles) was stirred at room temperature for 4 hours in 50 ml of 1N H2SO4. Isolation as described in Example 9 gave 67% assayed yield of pure maltol.
Sources & evidence
- ORD record
- ord-43c9963e8714455c9a36249cd3ea2e30
- Source dataset
- uspto-grants-1980_03
- Patent number
- US04191693
Reaction notes
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