反应详情

Olefin 5 (3.2 g, 12.2 mmol) was dissolved in anhydrous CH2Cl2 (60 mL), and NaHCO3 (1.6 g, 18.4 mmol) was added. Then, 3-chloroperoxybenzoic acid (60%, 12.8 g, 36.6 mmol) was added at room temperature with stirring. The stirring was continued for 24 hours, and the mixture was diluted with ether, and shaken with water and 2M NaOH. The organic layer was washed with water and saturated NH4Cl, dried over Na2SO4, and evaporated. The residue was chromatographed on silica gel using hexane/EtOAc (9:1) as an eluent to give the oily product 6 (2.5 g, 74%).

1. washThe organic layer was washed with water and saturated NH4Cl
2. dry with materialdried over Na2SO4
3. customevaporated
4. customThe residue was chromatographed on silica gel