A NEW METHOD FOR SYNTHESIS OF α,β-UNSATURATED δ-LACTONES VIA MICHAEL ADDITION USING METHYL (PHENYLSULFINYL)ACETATE
作者:Takashi Yoshida、Shojiro Saito
DOI:10.1246/cl.1982.1587
日期:1982.10.5
Variuos α,β-unsaturated δ-lactones were synthesized viaMichaeladdition of methyl (phenylsulfinyl)acetate to alkyl vinyl ketones in the presence of tributylphosphine. For example, racemic massoia lactone was obtained in 49% overall yield.