Oxidative Generation of 1-Nitroalkyl Radicals and Their Addition Reaction to Olefins
作者:Noriyoshi Arai、Koichi Narasaka
DOI:10.1246/bcsj.70.2525
日期:1997.10
1-Nitroalkyl radicals are generated by oxidation of potassium salt of 1-aci-nitroalkanes with ammonium hexanitratocerate(IV). When the oxidation is carried out in the presence of electron-rich olefins, such as silyl enol ethers, intermolecular addition of the radicals onto the olefins proceeds to afford β-nitro ketones, which are further converted to α,β-unsaturated ketones in high yield. Stereoselective