Hydrogen Bromide → HCID 20570074, compound
Reaction equation
[CH2:1]([N:5]1[C:14]2[C:9](=[CH:10][CH:11]=[C:12]([O:15]C)[CH:13]=2)[C:8](=[O:17])[C:7]([C:18]([OH:20])=[O:19])=[CH:6]1)[CH2:2][CH2:3][CH3:4].Br>O>[CH2:1]([N:5]1[C:14]2[C:9](=[CH:10][CH:11]=[C:12]([OH:15])[CH:13]=2)[C:8](=[O:17])[C:7]([C:18]([OH:20])=[O:19])=[CH:6]1)[CH2:2][CH2:3][CH3:4]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
5.0 g. (18 mmol) of 1-butyl-1,4-dihydro-7-methoxy-4-quinolone-3-carboxylic acid is refluxed for 4 hours in 65 ml. of hydrobromid acid (48%). The mixture is then poured into water; the solid product is filtered off and recrystallized from dimethylformamide.
Workup
- filtrationthe solid product is filtered off
- customrecrystallized from dimethylformamide
Sources & evidence
- ORD record
- ord-5248cd0388f348baa919fba24f973836
- Source dataset
- uspto-grants-1981_09
- Patent number
- US04289777
Reaction notes
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