Pyridine → HCID 23107570, compound
Reaction equation
[NH2:1][C:2]1[CH:11]=[CH:10][C:9]([Br:12])=[CH:8][C:3]=1[C:4]([O:6][CH3:7])=[O:5].N1C=CC=CC=1.CO[C:21]1[CH:22]=[C:23]([CH:27]=[CH:28][C:29]=1OC)[C:24](Cl)=[O:25].[CH2:32]([Cl:34])Cl>>[Br:12][C:9]1[CH:10]=[CH:11][C:2]([NH:1][C:24](=[O:25])[C:23]2[CH:27]=[CH:28][CH:29]=[C:21]([CH2:32][Cl:34])[CH:22]=2)=[C:3]([CH:8]=1)[C:4]([O:6][CH3:7])=[O:5]Participants
5
Procedure
Methyl 2-amino-5-bromobenzoate (compound A) (2.0 g) was dissolved in anhydrous methylene chloride (40.0 ml). Subsequently, pyridine (1.0 ml) and 3-(chloromethyl)benzoyl chloride (compound B) (2.0 g) were added to the solution at room temperature, and the mixture was stirred at that temperature for 3 hr. After the completion of the reaction, distilled water was added thereto, and the mixture was subjected to separatory extraction with chloroform. The organic layer was washed with a saturated aqueous sodium chloride solution, was dried over sodium sulfate and was then concentrated to give methyl 5-bromo-2-[3-(chloromethyl)benzoyl]aminobenzoate as a useful intermediate (3.32 g, yield 100%).
Workup
- customAfter the completion of the reaction
- distillationdistilled water
- additionwas added
- extractionthe mixture was subjected to separatory extraction with chloroform
- washThe organic layer was washed with a saturated aqueous sodium chloride solution
- dry with materialwas dried over sodium sulfate
- concentrationwas then concentrated
Sources & evidence
- ORD record
- ord-5d25bbfcc2ba47f2b649f4b3bdba1b39
- Source dataset
- uspto-grants-2012_03
- Patent number
- US08134015B2
Reaction notes
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