反应详情

温度

20 °C

A solution of N-cyclohexyl-3-(hydroxymethyl)benzenesulfonamide (1.744 g) in DMF (30 ml) under nitrogen was treated with sodium hydride (60% dispersion in mineral oil, 311 mg) and the mixture stirred at 20° C. for 0.5 h. 2-(Trimethylsilyl)ethoxymethyl chloride (1.15 ml) was added and the mixture was stirred for a further 2 h at 20° C. Phosphate buffer solution (pH 6.5, 50 ml) and water (50 ml) were added and the mixture was extracted with EtOAc. The combined extracts were washed with water and dried (Na2SO4). Solvent evaporation in vacuo gave a residue which was purified by flash chromatography on silica gel. Elution with EtOAc-petroleum ether (3:7) gave the title compound (1.917 g). LCMS RT=3.83 min.

1. stirringthe mixture was stirred for a further 2 h at 20° C
2. extractionthe mixture was extracted with EtOAc
3. washThe combined extracts were washed with water
4. dry with materialdried (Na2SO4)
5. customSolvent evaporation in vacuo
6. customgave a residue which
7. customwas purified by flash chromatography on silica gel
8. washElution with EtOAc-petroleum ether (3:7)