Formation of Quaternary Carbon Center with a Trifluoromethyl Group Using a Pd-Catalyzed Allylation Reaction

概要

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Synthesis of compounds with quaternary carbons is one of the most attractive reactions in the synthetic chemistry. However, there are only a few reports on synthesis of the compounds with a fluoroalkyl group at a quaternary carbon center. Recently, we reported the synthesis of α-trifluoromethylated ketones by the reaction of α, β-unsaturated ketones with CF_3-I using a Rh catalyst. When the α-trifluoromethylated ketones and allyl carbonates were treated with a Pd catalyst, the allylation reaction proceeded smoothly at the trifluoromethylated carbon to give the desired compounds with a trifluoromethylated quaternary carbon center in good to excellent yields.
公益社団法人日本薬学会の論文
2007-11-01