Abstract
Trifluoromethylation: The treatment of allylic halides with trifluoromethyltrimethylsilane in the presence of a catalytic amount of copper(I) thiophene-2-carboxylate (CuTC) gives the corresponding allylic trifluoromethylation products in good to high yields and with complete regioselectivity (see scheme). The use of THF as a solvent is crucial for obtaining good yields of product.
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