6-Bromo-3,4-dimethoxybenzaldehyde → 2-Bromo-5-hydroxy-4-methoxybenzaldehyde
Reaction equation
[Br:1][C:2]1[CH:9]=[C:8]([O:10][CH3:11])[C:7]([O:12]C)=[CH:6][C:3]=1[CH:4]=[O:5]>S(=O)(=O)(O)O>[Br:1][C:2]1[CH:9]=[C:8]([O:10][CH3:11])[C:7]([OH:12])=[CH:6][C:3]=1[CH:4]=[O:5]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
Compound B1 is demethylated in concentrated sulfuric acid to give 2-bromo-5-hydroxy-4-methoxybenzaldehyde (B2).
Sources & evidence
- ORD record
- ord-31103049d5834efc8d2339fb547c6f03
- Source dataset
- uspto-grants-2011_07
- Patent number
- US07985879B2
Reaction notes
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