Substitution Reaction of Ketene Dithioacetals with Carbon Electrophiles by the Promotion of Trityl Chloride-Tin(II) Chloride or Trimethylsilyl Chloride-Tin(II) Chloride Catalyst System
In the presence of catalytic amounts of trityl chloride or trimethylsilyl chloride and tin(II) chloride, ketene dithioacetals smoothly react with allyl methyl ethers or α,β-unsaturated orthoesters to afford the corresponding allyl or alkoxycarbonylethyl s
Mukaiyama, Teruaki,Sugumi, Hiroyuki,Uchiro, Hiromi,Kobayashi, Shu