Reaction equation
[Cl:1][CH2:2][C:3]1[CH:10]=[CH:9][C:6]([CH2:7]O)=[CH:5][CH:4]=1.O.C(=O)([O-])O.[Na+].CN(S(F)(F)[F:21])C>ClCCl>[Cl:1][CH2:2][C:3]1[CH:10]=[CH:9][C:6]([CH2:7][F:21])=[CH:5][CH:4]=1Participants
6
Procedure
After dissolving 4-(chloromethyl)benzyl alcohol (5.00 g) in dichloromethane (90 ml), dimethylaminosulfur trifluoride (8.28 ml) was added at room temperature and the mixture was stirred for one day. Water was added to the reaction mixture, and then a saturated aqueous solution of sodium hydrogencarbonate was added and extraction was performed with ethyl acetate. The organic layer was washed with brine and dried over anhydrous magnesium sulfate. After filtration, the solvent was distilled off under reduced pressure. The residue was purified by silica gel column chromatography to obtain the title compound (2.94 g).
Workup
- additionwas added at room temperature
- extractionextraction
- washThe organic layer was washed with brine
- dry with materialdried over anhydrous magnesium sulfate
- filtrationAfter filtration
- distillationthe solvent was distilled off under reduced pressure
- customThe residue was purified by silica gel column chromatography
Sources & evidence
- ORD record
- ord-f012dcd74e9640939620c4371adbe3ec
- Source dataset
- uspto-grants-2012_08
- Patent number
- US08252810B2
Linked notes
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