Abstract
Reflux of trimethylsilyl trichloroacetate and an alkene with the addition of a phase transfer catalyst (4 mol.%) and solid, dry potassium fluoride in an inert nonpolar solvent (toluene, chloroform, or dichloromethane) leads to dichloro- carbene adducts. This is a non-basic mild method, which can easily be carried out.
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