The physico-chemical and pharmacological properties of organic molecules are often significantly modified by the incorporation of fluorine atoms.[1] The preparation of fluoroor trifluoromethyl-substituted aromatics and hetero-ACHTUNGTRENNUNGaromatics has become an active research field.[2] Recently, it has been shown that the replacement of CF3 groups with SF5 substituents may increase the biological activity of pharmacologically ...