5-Hydroxy-1,8-naphthyridine-2,6-dicarboxylic acid → HCID 178516463, compound
Reaction equation
[OH:1][C:2]1[C:11](C(O)=O)=[CH:10][N:9]=[C:8]2[C:3]=1[CH:4]=[CH:5][C:6](C(O)=O)=[N:7]2>N1C2C(=CC=CC=2)C=CC=1>[N:9]1[C:8]2[C:3](=[CH:4][CH:5]=[CH:6][N:7]=2)[C:2]([OH:1])=[CH:11][CH:10]=1Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
To quinoline (500 ml) was added 5-hydroxy-1,8-naphthyridine-2,6-dicarboxylic acid (50 g, 340 mmol). The reaction mixture was heated to reflux. After 8 hours, the reaction mixture was cooled and concentrated in vacuo to afford 1,8-naphthyridin-4-ol.
Workup
- temperatureThe reaction mixture was heated to reflux
- temperaturethe reaction mixture was cooled
- concentrationconcentrated in vacuo
Sources & evidence
- ORD record
- ord-a4f02701fbec4e1494183cd36e7ee939
- Source dataset
- uspto-grants-2013_06
- Patent number
- US08455477B2
Reaction notes
Loading…