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) (3.0 g) was dissolved in anhydrous methylene chloride (40.0 ml). Subsequently, pyridine (2.1 ml) and 4-(chloromethyl)benzoyl chloride (compound B) (2.2 ml) were added to the solution at room temperature, and the mixture was stirred at that temperature for one hr. After the completion of the reaction, distilled water was added, followed by separatory extraction with chloroform. The organic layer was washed with saturated brine, was dried over sodium sulfate, and was then concentrated to give methyl 5-bromo-2-[3-(chloromethyl)benzoyl]aminobenzoate as a useful intermediate (4.90 g, yield 100%).
Workup
- customAfter the completion of the reaction
- distillationdistilled water
- additionwas added
- extractionfollowed by separatory extraction with chloroform
- washThe organic layer was washed with saturated brine
- dry with materialwas dried over sodium sulfate
- concentrationwas then concentrated
Sources & evidence
- ORD record
- ord-ee110e8d1b1040b6b8464c4361847445
- Source dataset
- uspto-grants-2012_03
- Patent number
- US08134015B2
Reaction notes
Loading…