β-Disulfoxides. II. The Preparation of Some Optically Active β-Disulfoxides
作者:Norio Kunieda、Junzo Nokami、Masayoshi Kinoshita
DOI:10.1246/bcsj.49.256
日期:1976.1
α-Sulfinylcarbanions (1) derived from methyl-substituted sulfoxides readily react with arenesulfinic esters (2) to give the corresponding β-disulfoxides (3) in good yields. The reaction was conducted using (−)-menthyl (−)-(S)-benzenesulfinate ((−)-(S)-2b), (−)-menthyl (−)-(S)-p-toluenesulfinate ((−)-(S)-2c), and α-p-tolylsulfinylcarbanion derived from (+)-(R)- or (−)-(S)-methyl p-tolyl sulfoxide to