A xanthate transfer radical process for the introduction of the trifluoromethyl group.
[reaction: see text]. S-Trifluoromethyl xanthates efficiently add to unactivated alkenes by a radical mechanism to give adducts with a trifluoromethyl group at the least hindered terminus of the olefin.
Bertrand
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Institut de Chimie des Substances Naturelles, C.N.R.S., 91198 Gif-sur-Yvette, France.
Pevere
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Quiclet-Sire
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Zard
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