Chloromethyl trimethylsilylmethyl sulphide as a parent thiocarbonyl ylide synthon. A simple synthesis of dihydro- and tetrahydro-thiophenes
作者:Akira Hosomi、Yumiko Matsuyama、Hideki Sakurai
DOI:10.1039/c39860001073
日期:——
Chloromethyltrimethylsilylmethylsulphide acts as a parentthiocarbonylylidesynthon and reacts stereospecifically with activated alkenes and alkynes, catalysed by caesium fluoride, in acetonitrile at room temperature to give tetrahydro- and dihydro-thiophene derivatives in good yields.