ChemicalBook--->CAS DataBase List--->5463-29-6

5463-29-6

5463-29-6 Structure

5463-29-6 Structure
IdentificationBack Directory
[Name]

6-BROMO-2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID
[CAS]

5463-29-6
[Synonyms]

6-bromo-2-oxo-1H-quinoline-4-carboxylic acid
6-bromo-2-keto-1H-quinoline-4-carboxylic acid
4-Quinolinecarboxylic acid, 6-bromo-1,2-dihydro-2-oxo-
[Molecular Formula]

C10H6BrNO3
[MDL Number]

MFCD09837171
[MOL File]

5463-29-6.mol
[Molecular Weight]

268.06
Chemical PropertiesBack Directory
[Boiling point ]

446.7±45.0 °C(Predicted)
[density ]

1.804±0.06 g/cm3(Predicted)
[storage temp. ]

Sealed in dry,Room Temperature
[pka]

2.54±0.20(Predicted)
[Appearance]

Off-white to light yellow Solid
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
[HazardClass ]

IRRITANT
[HS Code ]

2933491090
Spectrum DetailBack Directory
[Spectrum Detail]

6-BROMO-2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID(5463-29-6)1HNMR
Hazard InformationBack Directory
[Synthesis]

Acetoacetic Acid

541-50-4

5-Bromoisatin

87-48-9

6-BROMO-2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID

5463-29-6

6-Bromo-2-hydroxy-4-carboxylic acid quinoline was synthesized using the method described in Scheme 6. The procedure was as follows: 5-bromoindoline-2,3-dione (0.250 g) was dissolved in tetrahydrofuran (THF, 3 ml) in a round-bottomed flask, followed by the addition of malonic acid (2 equiv). The unit was connected to a reflux condenser and heated to reflux by conventional heating and the reaction was continued overnight. After 12 hours of reaction, a solid precipitate was observed to be generated. Subsequently, the suspension was concentrated under reduced pressure to remove the solvent, and the suspension was refluxed for 4 hours after addition of an appropriate amount of water. Finally, the solid product was collected by filtration to afford 6-bromo-2-hydroxyquinoline-4-carboxylic acid (0.150 g) in solid form.

[References]

[1] Patent: US2014/221387, 2014, A1. Location in patent: Paragraph 0383; 0384; 0385
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