Boron tribromide → 2-(7-hydroxyquinolin-4-yloxy)acetic Acid Hydrobromide

HRID 219210Notes

Reaction equation

HRID 219210 reaction equation
C[O:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([O:13][CH2:14][C:15]([OH:17])=[O:16])=[CH:8][CH:9]=[N:10]2)=[CH:5][CH:4]=1.B(Br)(Br)[Br:19]>ClCCCl.C(Cl)Cl>[BrH:19].[OH:2][C:3]1[CH:12]=[C:11]2[C:6]([C:7]([O:13][CH2:14][C:15]([OH:17])=[O:16])=[CH:8][CH:9]=[N:10]2)=[CH:5][CH:4]=1

Participants

5

Reactant 2

HCID 25134Boron tribromideHCID 576910212-(7-Methoxyquinolin-4-yloxy)acetic acid

Product 1

HCID 1363301242-(7-hydroxyquinolin-4-yloxy)acetic Acid HydrobromideYield 139.8%

Reagents, catalysts & solvents 2

HCID 111,2-DichloroethaneSolventHCID 6344DichloromethaneSolvent

Procedure

To a pressure vial was added 2-(7-methoxyquinolin-4-yloxy)acetic acid (1.00 g, 4.29 mmol) in DCE (0.6 M, 7 mL). The vial was cooled in an ice bath and to the solution was added BBr3 (1.62 ml, 17.2 mmol). The reaction was allowed to warm to room temperature and stirred overnight. While some starting material remained, the reaction was stopped and diluted with DCM (keep in hood due to fuming). The solids were filtered and dried over high vacuum to yield a light brown crude solid (˜1.8 g). The material was used without further purification.

Workup

  1. temperatureThe vial was cooled in an ice bath and to the solution
  2. filtrationThe solids were filtered
  3. customdried over high vacuum

Sources & evidence

ORD record
ord-39dda22102f24e7daa033420728d9aa9
Source dataset
uspto-grants-2012_06
Patent number
US08198448B2

Reaction notes

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