Reaction equation
[I:1][C:2]1[CH:7]=[CH:6][C:5]([NH:8][S:9]([CH3:12])(=[O:11])=[O:10])=[CH:4][CH:3]=1.[OH-].[Na+].IC.Cl[CH2:18]Cl>S(=O)(=O)(O)[O-].C([N+](CCCC)(CCCC)CCCC)CCC.O>[I:1][C:2]1[CH:3]=[CH:4][C:5]([N:8]([CH3:18])[S:9]([CH3:12])(=[O:11])=[O:10])=[CH:6][CH:7]=1Participants
7
Procedure
A mixture of N-(4-iodophenyl)methanesulphonamide (4.3 g), 50% aqueous sodium hydroxide (25 ml), iodomethane (5 ml), dichloromethane (10 ml) and tetrabutylammonium bisulphate (0.5 g) was stirred vigorously for 2 h. Water (50 ml) was added and the mixture was extracted with ether (3×50 ml). The organic extracts were washed with water and brine, dried and concentrated to a solid which was triturated with hexane to give the title compound as white crystals (4.1 g) m.p. 106°-107°.
Workup
- extractionthe mixture was extracted with ether (3×50 ml)
- washThe organic extracts were washed with water and brine
- customdried
- concentrationconcentrated to a solid which
- customwas triturated with hexane
Sources & evidence
- ORD record
- ord-aa37564c3684402494b752931c2644fa
- Source dataset
- uspto-grants-1991_04
- Patent number
- US05006556
Linked notes
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