3-Hydroxybenzaldehyde → HCID 10773659, compound
Reaction equation
[OH:1][C:2]1[CH:3]=[C:4]([CH:7]=[CH:8][CH:9]=1)[CH:5]=[O:6].Br[CH2:11][C:12](=[O:14])[CH3:13].C(=O)([O-])[O-].[K+].[K+]>CN(C)C=O>[O:14]=[C:12]([CH3:13])[CH2:11][O:1][C:2]1[CH:3]=[C:4]([CH:7]=[CH:8][CH:9]=1)[CH:5]=[O:6]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 70 °C
Procedure
To a mixture of 3.05 g of 3-hydroxybenzaldehyde, 2.3 ml of bromoacetone and 30 ml of dimethylformamide was added 4.15 g of potassium carbonate, and this was heated and stirred at 70° C. for 30 minutes. After cooled to room temperature, insolubles were filtered and the filtrate was concentrated under reduced pressure. Water was added to the resulting residue, and then extracted with ethyl acetate. The organic layer was washed successively with water and an aqueous saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated. The resulting residue was subjected to silica gel column chromatography to obtain 0.76 g of oily 3-(2-oxo-propoxy)benzaldehyde [Compound No. (o)].
Workup
- temperaturethis was heated
- temperatureAfter cooled to room temperature
- filtrationinsolubles were filtered
- concentrationthe filtrate was concentrated under reduced pressure
- additionWater was added to the resulting residue
- extractionextracted with ethyl acetate
- washThe organic layer was washed successively with water
- dry with materialan aqueous saturated sodium chloride solution, dried over anhydrous magnesium sulfate
- concentrationconcentrated
Sources & evidence
- ORD record
- ord-abce67c110bd4086a280bb58a383efe4
- Source dataset
- uspto-grants-2011_08
- Patent number
- US07989478B2
Reaction notes
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